16-10-2017
10-06-2020
17-08-2016
PATIENT PACKAGE INSERT IN ACCORDANCE WITH THE PHARMACISTS REGULATIONS
(PREPARATIONS) 1986
This medicine can be sold under doctor's prescription only
PUREGON
®
SOLUTION FOR INJECTION
150 IU, 300 IU, 600 IU, 900 IU
Solution for Injection
Each cartridge contains:
Follitropin beta 150 IU/ 0.18 ml
Follitropin beta 300 IU/ 0.36 ml
Follitropin beta 600 IU/ 0.72 ml
Follitropin beta 900 IU/ 1.08 ml
For a list of inactive ingredients see section 6.1 "What PUREGON contains".
Read all of this leaflet carefully before you start using this medicine.
This leaflet contains concise information about PUREGON. If you have any further questions, ask your
doctor or pharmacist.
This medicine has been prescribed for you. Do not pass it on to others. It may harm them, even if their
medical condition seems similar to yours.
PUREGON is not intended for use in children.
PUREGON is not intended for pregnant women.
1. WHAT IS THE MEDICINE INTENDED FOR?
PUREGON is used to treat infertility in any of the following situations:
Women
In women who do not ovulate and do not respond to treatment with clomifene citrate, PUREGON can be
used to cause ovulation.
In women undergoing assisted reproduction techniques, including in vitro fertilisation (IVF) and other
methods, PUREGON can bring about the development of multiple follicles.
In men who are infertile due to lowered hormone levels, PUREGON can be used for the production of
sperm.
Therapeutic group: Gonadotrophins (sex hormones).
PUREGON solution for injection contains follitropin beta, a hormone known as follicle-stimulating hormone
(FSH).
FSH belongs to the group of gonadotrophins (sex hormones), which play an important role in human fertility
and reproduction. In women, FSH is needed for the growth and development of follicles in the ovaries.
Follicles are small round sacs that contain the egg cells.
In men, FSH is needed for the production of sperm.
2. BEFORE YOU TAKE PUREGON
2.1 Do not use PUREGON if you:
are hypersensitive (allergic) to follitropin beta or any of the other ingredients of PUREGON (listed in
section 6.1)
have a tumour of the ovary, breast, uterus, testis or brain (pituitary gland or hypothalamus)
have heavy or irregular vaginal bleeding where the cause is unknown.
have ovaries that do not work because of a condition called primary ovarian failure
have ovarian cysts or enlarged ovaries not caused by polycystic ovarian syndrome (PCOS)
have malformations of the sexual organs which make a normal pregnancy impossible
have fibroid tumours in the uterus which make a normal pregnancy impossible
are a man and are infertile because of a condition called primary testicular failure.
2.2 Special warnings concerning use of PUREGON
Before starting treatment with PUREGON, tell your doctor if you:
have had an allergic reaction to certain antibiotics (neomycin and/or streptomycin)
have uncontrolled pituitary gland or hypothalamic problems
have an underactive thyroid gland (hypothyroidism)
have adrenal glands that are not working properly (adrenocortical insufficiency)
have high prolactin levels in the blood (hyperprolactinemia)
have any other medical conditions (for example, diabetes, heart disease, or any other long-term
disease).
If you are a woman:
Ovarian hyperstimulation syndrome (OHSS)
Your doctor will check the effects of the treatment regularly to be able to choose the correct dose of
PUREGON from day to day. You may regularly have ultrasound scans of the ovaries. Your doctor may also
check blood hormone levels. This is very important since too high a dose of FSH may lead to rare but
serious complications in which the ovaries are overly stimulated and the growing follicles become larger
than normal. This serious medical condition is called ovarian hyperstimulation syndrome (OHSS). In rare
cases, severe OHSS may be life-threatening. OHSS causes fluid to build up suddenly in your stomach and
chest areas and can cause blood clots to form. Call your doctor right away if you notice severe abdominal
swelling, pain in the stomach area (abdomen), feeling sick (nausea), vomiting, sudden weight gain due to
fluid buildup, diarrhoea, decreased urine output or trouble breathing (see also section 4, “SIDE EFFECTS”).
→ Regular monitoring of the response to FSH-treatment helps to prevent ovarian overstimulation.
Contact your doctor immediately if you are experiencing stomach pains, also if this occurs some days after
the last injection has been given.
Multiple Pregnancy or birth defects
After treatment with gonadotrophin preparations, there is an increased chance of having multiple
pregnancies, even when only one embryo is transferred into the uterus. Multiple pregnancies carry an
increased health risk for both the mother and her babies around the time of birth. Furthermore, multiple
pregnancies and characteristics of the patients undergoing fertility treatment (e.g. age of the female, sperm
characteristics, genetic background of both parents) may be associated with an increased risk of birth
defects.
Pregnancy complications
There is a slightly increased risk of a pregnancy outside the uterus (an ectopic pregnancy). Therefore, your
doctor should perform an early ultrasound examination to exclude the possibility of pregnancy outside the
uterus.
In women undergoing fertility treatment there may be a slightly higher chance of a miscarriage.
Blood clot (Thrombosis)
Treatment with PUREGON, just as pregnancy itself, may increase the risk of having a blood clot
(thrombosis). Thrombosis is the formation of a blood clot in a blood vessel.
Blood clots can lead to serious medical conditions, such as:
blockage in your lungs (pulmonary embolus)
stroke
heart attack
blood vessel problems (thrombophlebitis)
a lack of blood flow (deep venous thrombosis) that may result in a loss of your arm or leg.
Please discuss this with your doctor, before starting treatment, especially:
if you already know you have an increased chance of having thrombosis
if you, or anyone in your immediate family, have ever had a thrombosis
if you are severely overweight.
Ovarian torsion
Ovarian torsion has been reported and may occur after treatment with gonadotropins including PUREGON.
Ovarian torsion is the twisting of an ovary. Twisting of the ovary could cause the blood flow to the ovary to
be cut off.
Before starting to use this medicine, tell your doctor if you:
have ever had ovarian hyperstimulation syndrome OHSS
are pregnant or think that you may be pregnant
have ever had stomach (abdominal) surgery
have ever had a twisting of an ovary
have past or current cysts in your ovary or ovaries.
Ovarian and Other Reproductive System Tumours
There have been reports of ovarian and other reproductive system tumors in women who have had
infertility treatment. It is not known if treatment with fertility medicines increases the risk of these tumors in
infertile women.
Other medical conditions
In addition, before starting to use this medicine, tell your doctor if you:
have been told by a doctor that pregnancy would be dangerous for you.
If you are a man:
Men with too much FSH in their blood
Increased FSH blood levels are a sign of damage to the testicles. PUREGON is usually not effective in
such cases. To check the effects of treatment, your doctor may ask you for a semen sample to be
analysed, four to six months after the start of treatment.
2.3 Taking other medicines
If you are taking or have recently taken other medicines, including non-prescription medicines and
nutritional supplements, you should tell the attending doctor or pharmacist.
If PUREGON is used in a combination with clomifene citrate, the effect of PUREGON may be increased. If
a GnRH agonist (a medicine used to prevent early ovulation) has been given, higher doses of PUREGON
may be needed.
2.4 Pregnancy and breast-feeding
Ask your doctor or pharmacist for advice before taking any medicine. You should not use PUREGON if you
are already pregnant, or think you might be pregnant.
PUREGON may affect milk production. It is unlikely that PUREGON is passed into breast milk. If you are
breast-feeding, tell your doctor before using PUREGON.
2.5 Driving and using machines
PUREGON is unlikely to affect your ability to drive or use machines.
2.6 Important information about some of the ingredients of PUREGON
This medicinal product contains less than 1 mmol sodium (23 mg) per injection, i.e. essentially “sodium-
free”.
2.7 Children
PUREGON is not intended for use in children.
3. HOW TO TAKE PUREGON?
Always take PUREGON as instructed by the doctor. You should check with your doctor or pharmacist if you
are not sure.
The dosage and duration of treatment will be determined by the doctor only.
The usually recommended dose is:
Dosage in women
Your doctor will decide on your starting dose. This dose may be adjusted during your treatment period.
Further details on the treatment schedule are given below.
There are large differences between women in the response of the ovaries to FSH, which makes it
impossible to set a dosage schedule which is suitable for all patients. To find the right dosage, your doctor
will check your follicle growth by means of ultrasound scanning, and measurement of the amount of
oestradiol (female sex hormone) in the blood.
* Women who are not ovulating
A starting dose is set by your doctor. This dose is continued for at least seven days. If there is no
ovarian response, the daily dose will then be gradually increased until follicle growth and/or plasma
oestradiol levels indicate a proper response. The daily dose is then maintained until a follicle of proper
size is present. Usually, 7 to 14 days of treatment are sufficient. PUREGON treatment is then stopped
and ovulation will be induced by giving human chorionic gonadotrophin (hCG).
* Medically assisted reproduction programs, for instance IVF
A starting dose is set by your doctor. This dose is continued for at least the first four days. After this,
your dose may be adjusted, based upon your ovarian response. When a sufficient number of follicles of
proper size are present, the final phase of maturation of the follicles is induced by giving hCG. Retrieval
of the egg(s) is performed 34-35 hours later.
Dosage in men
PUREGON is usually prescribed at a dose of 450 IU per week, mostly in 3 dosages of 150 IU, in
combination with another hormone (hCG), for at least 3 to 4 months. The treatment period equals the
development time of sperm and the time in which improvement can be expected. If your sperm production
has not started after this period, your treatment may carry on for at least 18 months.
Do not exceed the recommended dose.
How are the injections given
The very first injection of PUREGON should only be given in the presence of a doctor or nurse.
PUREGON solution for injection in cartridges has been developed for use in the Puregon Pen. The
separate instructions for using the pen must be followed carefully. Do not use the cartridge if the solution
contains particles or if the solution is not clear.
Using the pen, injections just under the skin (in the lower stomach, for example) can be given by yourself or
your partner. Your doctor will tell you when and how to do this. If you inject yourself with PUREGON, follow
the instructions carefully to give PUREGON properly and with minimal discomfort.
Instructions for injection
Take the pen out of its case, remove the cap from the pen, unscrew the body from the cartridge
holder.
Insert the PUREGON cartridge into the cartridge holder with the cap of the cartridge going in first.
Screw the pen on again. Make sure that no gap is left and that the blue arrow marked at the end of
the cartridge holder points to the yellow mark at the end of the pen body.
Use a new needle for each injection. Before attaching the needle, disinfect the end of the PUREGON
cartridge (placed inside the pen) and the open end of the cartridge holder with some alcohol.
Remove the paper seal from the outer needle shield and push the pen steadily into the needle shield.
Screw the needle in firmly. Remove the outer and inner needle shield.
Hold the pen with the needle pointing upwards, gently tap the cartridge holder with your finger to allow
the air bubbles to rise to the top of the needle. A droplet of liquid will form at the tip of the needle.
If you do not see liquid at the tip of the needle, dial the dosage knob one click and press the injection
button. Make sure that a droplet of liquid has formed at the tip of the needle. Repeat this step until a
droplet is observed at the tip of the needle.
The pen is now ready for injecting PUREGON.
Dial the orange dosage knob until the dot located between the two marks in the middle of the dosage
scale is aligned with the desired dose prescribed by your doctor.
If you accidentally dialed past the correct dose, turn the dosage knob past the 450 IU mark, as far as
it will turn. The dosage scale should move freely.
Press the injection button in and begin to readjust the dosage, from zero upwards. No medicine is lost
in this process.
If you try to correct your error by dialing in the opposite direction you will get the exact dose, but will
lose some of the medicine.
Disinfect the injection site with alcohol, and let the alcohol dry somewhat before continuing.
It is advisable to administer the injection in the abdomen, below the navel.
Pinch the skin where you will administer the injection between your thumb and forefinger and with
your other hand insert the entire needle into the skin at a 90 degree angle.
Press the injection button and inject until the dosage scale shows “0”.
Wait 5 seconds before removing the needle from the skin. Pull the needle out gently and place a
sterile pad on the injection site.
Insert the needle into the outer needle shield. Remove the needle from the pen and store the pen in a
safe place.
If you use more PUREGON than you should
Tell your doctor immediately.
Too high a dose of PUREGON may cause hyperstimulation of the ovaries (OHSS). This may be noticed as
pain in the stomach. If you are troubled by stomach pains, tell your doctor immediately (see also section 4,
“SIDE EFFECTS”).
If you have taken an overdose, or if a child has accidentally swallowed the medicine, proceed immediately
to a hospital emergency room and bring the package of the medicine with you.
If you forget to use PUREGON
If you forget a dose do not use a double dose to make up for a missed dose.
→ Contact your doctor.
How can you contribute to the success of the treatment?
Do not take medicines in the dark! Check the label and the dose each time
you take your medicine. Wear
glasses if you need them.
If you have any further questions on the use of this medicine, ask your doctor or pharmacist.
4. SIDE EFFECTS
Like all medicines, PUREGON can cause side effects, in some of the users.
Do not be alarmed by reading the list of side effects, you may not suffer from any of them.
Serious side effects in women
A complication with FSH treatment is hyperstimulation of the ovaries. Ovarian overstimulation may develop
into a medical condition called ovarian hyperstimulation syndrome (OHSS), which can be a serious
medical problem. The risk can be reduced by careful monitoring of follicular development during treatment.
Your doctor will do ultrasound scans of your ovaries to carefully monitor the number of maturing follicles.
Your doctor may also check blood hormone levels. Pain in the stomach, feeling sick or diarrhoea are the
first symptoms. In more severe cases symptoms may include enlargement of the ovaries, accumulation of
fluid in the abdomen and/or chest (which may cause sudden weight gain due to fluid buildup) and the
occurrence of blood clots in the circulation (see section 2.2, “Special warnings concerning use of
PUREGON”).
→ Contact your doctor immediately if you are experiencing stomach pains, or any of the other symptoms of
ovarian hyperstimulation, also if this occurs some days after the last injection.
If you are a woman:
Common side effects (may affect up to 1 in 10 people):
Headache
Injection site reactions (such as bruising, pain, redness, swelling and itching)
Ovarian hyperstimulation syndrome (OHSS)
Pelvic pain
Stomach pain and/or bloating
Uncommon side effects (may affect up to 1 in 100 people):
Breast complaints (including tenderness)
Diarrhoea, constipation or stomach discomfort
Enlargement of the uterus
Feeling sick (nausea)
Hypersensitivity reactions (such as rash, redness, hives and itching)
Ovarian cysts or enlargement of the ovaries
Ovarian torsion (twisting of the ovaries)
Vaginal bleeding
Rare side effects (may affect up to 1 in 1,000 people):
Blood clots (this may also occur in the absence of unwanted overstimulation of the ovaries, see section
2.2, “Special warnings concerning use of PUREGON”).
Pregnancy outside the uterus (an ectopic pregnancy), miscarriage and multiple pregnancies have also been
reported. These side effects are not considered to be related to the use of PUREGON, but to Assisted
Reproductive Technology (ART) or subsequent pregnancy.
If you are a man:
Common side effects (may affect up to 1 in 10 people):
Acne
Injection site reactions (such as hardening and pain)
Headache
Rash
Some breast development
Testicular cyst
If a side effect appears, if any of the side effects gets serious or if you notice a side effect not mentioned in
this leaflet, consult your doctor.
Side effects can be reported to the Ministry of Health by using the online form for adverse events reporting
which is on the Ministry of Health Homepage: www.health.gov.il
or by following the link:
http://forms.gov.il/globaldata/getsequence/getsequence.aspx?formType=AdversEffectMedic%40moh.health
.gov.il
5. HOW TO STORE PUREGON?
Avoid Poisoning! This medicine, as all other medicines, must be stored in a safe place out of the
reach and sight of children and/or infants, in order to avoid poisoning. Do not induce vomiting unless
explicitly instructed to do so by a doctor!
Do not use PUREGON after the expiry date (exp. date) which is stated on the pack. The expiry date
refers to the last day of the indicated month.
Storage conditions:
Store in a refrigerator (2°C – 8°C). Do not freeze.
May be stored by the patient at or below 25ºC for a single period of not more than three months.
Keep the medicine in the outer carton.
Make a note of when you start storing the product out of the refrigerator.
Once the rubber inlay of a cartridge is pierced by a needle, the product may be stored for a maximum of
28 days.
Please put the day of first use of the cartridge on the dosing record table as shown in the Instruction
Manual of the Puregon Pen.
Discard used needles immediately after injection.
Do not mix any other drug into the cartridges. Empty cartridges must not be refilled.
Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how
to dispose of medicines no longer required. These measures will help to protect the environment.
6. FURTHER INFORMATION
6.1 What PUREGON contains?
The active substance is: follitropin beta.
PUREGON cartridge contains either: 150 IU, 300 IU, 600 IU, 900 IU of follitropin beta.
In addition to the active ingredient the medicine also contains inactive ingredients: sucrose, sodium
citrate, L-methionine, polysorbate 20 and benzyl alcohol in water for injections. The pH may have been
adjusted with sodium hydroxide and/or hydrochloric acid.
6.2 What PUREGON looks like and contents of the pack
PUREGON solution for injection is a clear, colourless aqueous solution.
Pack size:
PUREGON 300 IU is available in packs of 1 multi-dose cartridge of 0.480 ml, and 2 packs with 3 pen
needles each.
PUREGON 600 IU is available in packs of 1 multi-dose cartridge of 0.840 ml, and 2 packs with 3 pen
needles each.
PUREGON 900 IU is available in packs of 1 multi-dose cartridge of 1.230 ml, and 3 packs with 3 pen
needles each.
Marketing authorization holder:
Merck Sharp & Dohme (Israel-1996) Company Ltd., P.O.Box 7121, Petah-Tikva 49170.
Manufacturer:
Merck Sharp & Dohme Corp., New-Jersey, USA.
This Leaflet was checked and approved by the Ministry of Health on October 2015
Drug registration no. listed in the official registry of the Ministry of Health:
PUREGON solution for injection: 130.52.30898
1.
NAME OF THE MEDICINAL PRODUCT
Puregon solution for injection
150 IU/0.18 mL, 300 IU/0.36 mL, 600 IU/0.72 mL or 900 IU/1.08 mL.
2.
QUALITATIVE AND QUANTITATIVE COMPOSITION
One cartridge contains a net total dose of 150 IU, 300 IU, 600 IU or 900 IU recombinant follicle-stimulating
hormone (FSH) in 0.18, 0.36, 0.72 or 1.08 ml aqueous solution. The solution for injection contains the active
substance follitropin beta, produced by genetic engineering of a Chinese hamster ovary (CHO) cell line, in a
concentration of 833 IU/mL aqueous solution. This strength corresponds to 83.3 microgram of protein / ml
(specific in vivo bioactivity equal to approximately 10,000 IU FSH / mg protein). Excipient(s) with known
effect:
This medicinal product contains less than 1 mmol sodium (23 mg) per injection, i.e. essentially
‘sodium-free’.
For a full list of excipients, see section 6.1.
3.
PHARMACEUTICAL FORM
Solution for injection.
Clear and colourless solution.
In cartridges, designed to be used in conjunction with a pen injector.
4.
CLINICAL PARTICULARS
4.1
Therapeutic indications
In the female
Puregon is indicated for the treatment of female infertility in the following clinical situations
Anovulation (including polycystic ovarian syndrome, PCOS) in women who have been unresponsive
to treatment with clomifene citrate.
Controlled ovarian hyperstimulation to induce the development of multiple follicles in medically
assisted reproduction programs [e.g. in vitro fertilisation/embryo transfer (IVF/ET), gamete intra-
fallopian transfer (GIFT) and intracytoplasmic sperm injection (ICSI)].
In the male
Deficient spermatogenesis due to hypogonadotrophic hypogonadism.
4.2
Posology and method of administration
Treatment with Puregon should be initiated under the supervision of a physician experienced in the
treatment of fertility problems.
The first injection of Puregon should be performed under direct medical supervision.
Posology
Dosage in the female
There are great inter- and intra-individual variations in the response of the ovaries to exogenous
gonadotrophins. This makes it impossible to set a uniform dosage scheme. The dosage should, therefore, be
adjusted individually depending on the ovarian response. This requires ultrasound assessment of follicular
development. The concurrent determination of serum oestradiol levels may also be useful.
When using the pen injector, it should be realised that the pen is a precision device which accurately delivers
the dose to which it is set. It was shown that on average an 18% higher amount of FSH is given with the pen
compared with a conventional syringe. This may be of particular relevance when switching between the pen-
injector and a conventional syringe within one treatment cycle. Especially when switching from a syringe to
the pen, small dose adjustments may be needed to prevent too high a dose being given.
Based on the results of comparative clinical studies, it is considered appropriate to give a lower total dosage
of Puregon over a shorter treatment period
than generally used for urinary FSH, not only in order to optimise
follicular development but also to reduce the risk of unwanted ovarian hyperstimulation (see section 5.1).
Clinical experience with Puregon is based on up to three treatment cycles in both indications. Overall
experience with IVF indicates that in general the treatment success rate remains stable during the first four
attempts and gradually declines thereafter.
Anovulation
A sequential treatment scheme is recommended starting with daily administration of 50 IU Puregon. The
starting dose is maintained for at least seven days. If there is no ovarian response, the daily dose is
then gradually increased until follicle growth and/or plasma oestradiol levels indicate an adequate
pharmacodynamic response. A daily increase of oestradiol levels of 40-100% is considered to be
optimal. The daily dose is then maintained until pre-ovulatory conditions are reached. Pre-ovulatory
conditions are reached when there is ultrasonographic evidence of a dominant follicle of at least 18 mm
in diameter and/or when plasma oestradiol levels of 300-900 picograms/mL (1,000-3,000 pmolL) are
attained. Usually, 7 to 14 days of treatment is sufficient to reach this state. The administration of
Puregon is then discontinued and ovulation can be induced by administering human chorionic
gonadotrophin (hCG).
If the number of responding follicles is too high or oestradiol levels increase too rapidly, i.e. more than a
daily doubling for oestradiol for two or three consecutive days, the daily dose should be decreased.
Since follicles of over 14 mm may lead to pregnancies, multiple pre-ovulatory follicles exceeding 14 mm
carry the risk of multiple gestations. In that case hCG should be withheld and pregnancy should be
avoided to prevent multiple gestations.
Controlled ovarian hyperstimulation in medically assisted reproduction programs
Various stimulation protocols are applied. A starting dose of 100-225 IU is recommended for at least the
first four days. Thereafter, the dose may be adjusted individually, based upon ovarian response. In
clinical studies, it was shown that maintenance dosages ranging from 75-375 IU for six to twelve days
are sufficient, although longer treatment may be necessary.
Puregon can be given either alone, or, to prevent premature luteinisation, in combination with a GnRH
agonist or antagonist. When using a GnRH agonist, a higher total treatment dose of Puregon may be
required to achieve an adequate follicular response.
Ovarian response is monitored by ultrasound assessment. The concurrent determination of serum
oestradiol levels may also be useful. When ultrasound assessment indicates the presence of at least
three follicles of 16-20 mm, and there is evidence of a good oestradiol response (plasma levels of about
300-400 picograms/mL (1,000-1,300 pmol/L) for each follicle with a diameter greater than 18 mm), the
final phase of maturation of the follicles is induced by administration of hCG. Oocyte retrieval is
performed 34-35 hours later.
Dosage in the male
Puregon should be given at a dosage of 450 IU/week, preferably divided in 3 dosages of 150 IU,
concomitantly with hCG. Treatment with Puregon and hCG should be continued for at least 3 to 4 months
before any improvement in spermatogenesis can be expected. To assess the response, semen analysis is
recommended 4 to 6 months after the beginning of treatment. If a patient has not responded after this period,
the combination therapy may be continued; current clinical experience indicates that treatment for up to 18
months or longer may be necessary to achieve spermatogenesis.
Paediatric population
There is no relevant indication for use of Puregon in the paediatric population for the approved indication.
Method of administration
Puregon solution for injection in cartridges has been developed for use in the Puregon Pen and should be
administered subcutaneously. The injection site should be alternated to prevent lipoatrophy.
Using the pen, injection of Puregon can be carried out by the patient or partner, provided that proper
instructions are given by the physician.
Self administration of Puregon should only be performed by
patients
who are well-motivated, adequately trained and with access to expert advice.
4.3
Contraindications
For males and females
Hypersensitivity to the active substance or to any of the excipients listed in section 6.1.
Tumours of the ovary, breast, uterus, testis, pituitary or hypothalamus.
Primary gonadal failure.
Additionally for females
Undiagnosed vaginal bleeding.
Ovarian cysts or enlarged ovaries, not related to polycystic ovarian syndrome (PCOS).
Malformations of the reproductive organs incompatible with pregnancy.
Fibroid tumours of the uterus incompatible with pregnancy.
4.4
Special warnings and precautions for use
Antibiotic hypersensitivity reactions
Puregon may contain traces of streptomycin and/or neomycin. These antibiotics may cause
hypersensitivity reactions in susceptible persons.
Infertility evaluation before starting treatment
Before starting treatment, the couple's infertility should be assessed as appropriate. In particular,
patients should be evaluated for hypothyroidism, adrenocortical insufficiency, hyperprolactinemia and
pituitary or hypothalamic tumours, and appropriate specific treatment given.
In females
Ovarian Hyperstimulation Syndrome (OHSS)
OHSS is a medical event distinct from uncomplicated ovarian enlargement. Clinical signs and symptoms of
mild and moderate OHSS are abdominal pain, nausea, diarrhoea, mild to moderate enlargement of ovaries
and ovarian cysts. Severe OHSS may be life-threatening. Clinical signs and symptoms of severe OHSS are
large ovarian cysts, acute abdominal pain, ascites, pleural effusion, hydrothorax, dyspnoea, oliguria,
haematological abnormalities and weight gain. In rare instances, venous or arterial thromboembolism may
occur in association with OHSS. Transient liver function test abnormalities suggestive of hepatic dysfunction
with our without morphologic changes on liver biopsy have also been reported in association with OHSS.
OHSS may be caused by administration of human Chorionic Gonadotropin (hCG) and by pregnancy
(endogenous hCG). Early OHSS usually occurs within 10 days after hCG administration and may be
associated with an excessive ovarian response to gonadotropin stimulation. Late OHSS occurs more than 10
days after hCG administration, as a consequence of the hormonal changes with pregnancy. Because of the
risk of developing OHSS, patients should be monitored for at least two weeks after hCG administration.
Women with known risk factors for a high ovarian response may be especially prone to the development of
OHSS during or following treatment with Puregon. For women having their first cycle of ovarian stimulation,
for whom risk factors are only partially known, close observation for ealy signs and symptoms of OHSS is
recommended.
Follow current clinical practice for reducing the risk of OHSS during Assisted Reproductive
Technology (ART). Adherence to the recommended Puregon dose and treatment regimen and careful
monitoring of ovarian response is important to reduce the risk of OHSS. To monitor the risk of OHSS,
ultrasonographic assessment of follicular development should be performed prior to treatment and at regular
intervals during treatment; the concurrent determination of serum oestradiol levels may also be useful. In
ART there is an increased risk of OHSS with 18 or more follicles of 11 mm or more in diameter.
If OHSS develops, standard and appropriate management of OHSS should be implemented and followed.
Multiple Pregnancy
Multiple pregnancies and births have been reported for all gonadotropin treatments, including Puregon.
Multiple gestations, especially high order, carries an increased risk of adverse maternal (pregnancy and
delivery complications) and perinatal (low birth weight) outcomes. For anovulatory women undergoing
ovulation induction, monitoring follicular development with transvaginal ultrasonography may aid in
determining whether or not to continue the cycle in order to reduce the risk of multiple pregnancies. The
concurrent determination of serum oestradiol levels may also be useful. The patients should be advised of
the potential risks of multiple births before starting treatment.
In women undergoing Assisted Reproduction Technologies (ART) procedures, the risk of a multiple
pregnancy is mainly related to the number of embryos transferred. When used for an ovulation induction
cycle, appropriate FSH dose adjustment(s) should prevent multiple follicle development.
Ectopic Pregnancy
Infertile women undergoing ART have an increased incidence of ectopic pregnancies. Early ultrasound
confirmation that a pregnancy is intrauterine is therefore important.
Spontaneous Abortion
Rates of pregnancy loss in women undergoing assisted reproduction techniques are higher than in the
normal population.
Vascular Complications
Thromboembolic events, both in association with and separate from OHSS, have been reported following
treatment with gonadotropins, including Puregon. Intravascular thrombosis, which may originate in venous or
arterial vessels, can result in reduced blood flow to vital organs or the extremities. In women with generally
recognised risk factors for thromboembolic events, such as a personal or family history, severe obesity or
thrombophilia, treatment with gonadotropins, including Puregon, may further increase this risk. In these
women the benefits of gonadotropin administration, including Puregon, need to be weighed against the risks.
It should be noted, however, that pregnancy itself also carries an increased risk of thrombosis.
Congenital Malformations
The incidence of congenital malformations after ART may be slightly higher than after spontaneous
conceptions. This is thought to be due to differences in parental characteristics (e.g., maternal age, sperm
characteristics) and multiple gestations.
Ovarian Torsion
Ovarian torsion has been reported after treatment with gonadotropins, including Puregon. Ovarian torsion
may be associated with other risk factors such as OHSS, pregnancy, previous abdominal surgery, past
history of ovarian torsion, previous or current ovarian cyst and polycystic ovaries.
Damage to the ovary due to reduced blood supply can be limited by early diagnosis and immediate
detorsion.
Ovarian and other Reproductive System Neoplasms
There have been reports of ovarian and other reproductive system neoplasms, both benign and malignant, in
women who have undergone multiple treatment regimens for infertility treatment. It is not established
whether or not treatment with gonadotropins increases the risk of these tumors in infertile women.
Other Medical Conditions
Medical conditions that contraindicate pregnancy should also be evaluated before starting treatment with
Puregon.
In males
Primary Testicular Failure
Elevated endogenous FSH levels in men are indicative of primary testicular failure. Such patients are
unresponsive to Puregon/hCG therapy.
4.5
Interaction with other medicinal products and other forms of interaction
Concomitant use of Puregon and clomifene citrate may enhance the follicular response. After pituitary
desensitisation induced by a GnRH agonist, a higher dose of Puregon may be necessary to achieve an
adequate follicular response.
4.6
Fertility, Pregnancy and lactation
Fertility
Puregon is used in the treatment of women undergoing ovarian induction or controlled ovarian
hyperstimulation in assisted reproduction programmes. In males Puregon is used in the treatment of deficient
spermatogenesis due to hypogonadotrophic hypogonadism. For posology and method of administration, see
section 4.2.
Pregnancy
The use of Puregon during pregnancy is not indicated.
In case of inadvertent exposure during pregnancy, clinical data are not sufficient to exclude a teratogenic
effect of recombinant FSH.
However, to date, no particular malformative effect has been reported. No teratogenic effect has been
observed in animal studies.
Breast-feeding
There is no information available from clinical or animal studies on the excretion of follitropin beta in milk. It is
unlikely that follitropin beta is excreted in human milk due to its high molecular weight. If follitropin beta would
be excreted in human milk, it would be degraded in the gastrointestinal tract of the child. Follitropin beta may
affect milk production.
4.7
Effects on ability to drive and use machines
Puregon has no or negligible influence on the ability to drive and use machines.
4.8
Undesirable effects
Clinical use of Puregon by the intramuscular or subcutaneous routes may lead to local reactions at the site of
injection (3% of all patients treated). The majority of these local reactions are mild and transient in nature.
Generalised hypersensitivity reactions have been observed uncommonly (approximately 0.2% of all patients
treated with follitropin beta).
Treatment of females:
In approximately 4% of the women treated with follitropin beta in clinical trials, signs and symptoms related to
ovarian hyperstimulation syndrome (OHSS) have been reported (see section 4.4). Adverse reactions related
to this syndrome include pelvic pain and/or congestion, abdominal pain and/or distension, breast complaints
and ovarian enlargement.
The table below lists the adverse reactions with follitropin beta reported in clinical trials in females according
to system organ class and frequency; common (≥ 1/100 to < 1/10), uncommon (≥ 1/1,000 to < 1/100).
SOC
Frequency
Adverse reaction
Nervous system disorders
Common
Headache
Gastrointestinal disorders
Common
Abdominal distension
Abdominal pain
Uncommon
Abdominal discomfort
Constipation
Diarrhoea
Nausea
Reproductive system and
breast disorders
Common
OHSS
Pelvic pain
Uncommon
Breast Complaints
Metrorrhagia
Ovarian cyst
Ovarian enlargement
Ovarian torsion
Uterine enlargement
Vaginal haemorrhage
General disorders and
Common
Injection site reaction
administration site conditions
Uncommon
Generalised hypersensitivity
reaction
1. Breast complaints include tenderness, pain and/or engorgement and nipple pain
2. Local reactions at the site of injection include: bruising, pain, redness, swelling and itching
3. Generalised hypersensitivity reaction include erythema, urticaria, rash and pruritus
In addition, ectopic pregnancy, miscarriage and multiple gestations have been reported. These are
considered to be related to ART or subsequent pregnancy.
In rare instances, thromboembolism has been associated with follitropin beta / hCG therapy as with other
gonadotrophins.
Treatment of males:
The table below lists the adverse reactions with follitropin beta reported in a clinical trial in males (30 patients
dosed), according to system organ class and frequency; common (≥ 1/100 to < 1/10).
SOC
Frequency
1
Adverse reaction
Nervous system disorders
Common
Headache
Skin and subcutaneous
tissue disorders
Common
Acne
Rash
Reproductive system and
breast disorders
Common
Epididymal cyst
Gynaecomastia
General disorders and
administration site
conditions
Common
Injection site reaction
Adverse reactions that are reported only once are listed as common because a single report
raises the frequency above 1%.
Local reactions at the site of injection include induration and pain.
Any suspected adverse events should be reported to the Ministry of Health according to the National
Regulation by using an online form /
https://sideeffects.health.gov.il
or by email
(adr@MOH.HEALTH.GOV.IL).
4.9
Overdose
No data on acute toxicity of Puregon in humans is available, but the acute toxicity of Puregon and of urinary
gonadotrophin preparations in animal studies has been shown to be very low. Too high a dosage of FSH
may lead to hyperstimulation of the ovaries (see section 4.4).
5.
PHARMACOLOGICAL PROPERTIES
5.1
Pharmacodynamic properties
Pharmacotherapeutic group: sex hormones and modulators of the genital system, gonadotrophins; ATC
code: G03G A06.
Puregon contains a recombinant FSH. This is produced by recombinant DNA technology, using a Chinese
hamster ovary cell line transfected with the human FSH subunit genes. The primary amino acid sequence is
identical to that of natural human FSH. Small differences in the carbohydrate chain structure are known to
exist.
Mechanism of Action
FSH is indispensable in normal follicular growth and maturation, and gonadal steroid production. In the
female the level of FSH is critical for the onset and duration of follicular development, and consequently for
the timing and number of follicles reaching maturity. Puregon can thus be used to stimulate follicular
development and steroid production in selected cases of disturbed gonadal function. Furthermore, Puregon
can be used to promote multiple follicular development in medically assisted reproduction programs [e.g. in
vitro fertilisation/embryo transfer (IVF/ET), gamete intra-fallopian transfer (GIFT) and intracytoplasmic sperm
injection (ICSI)]. Treatment with Puregon is generally followed by administration of hCG to induce the final
phase of follicle maturation, resumption of meiosis and rupture of the follicle.
Clinical Efficacy and Safety
In clinical studies comparing recFSH (follitropin beta) and urinary FSH for controlled ovarian stimulation in
women participating in an assisted reproduction technology (ART) program and for ovulation induction (see
tables 1 and 2 below), Puregon was more potent than urinary FSH in terms of a lower total dose and a
shorter treatment period needed to trigger follicular maturation.
For controlled ovarian stimulation, Puregon resulted in a higher number of oocytes retrieved at a lower total
dose and with a shorter treatment period, when compared to urinary FSH.
Table 1: Results of study 37608 (randomized, group comparative clinical study comparing safety and efficacy
of Puregon with urinary FSH in controlled ovarian stimulation).
Puregon
(n = 546)
u-FSH
(n = 361)
Mean no. of oocytes retrieved
10.84*
8.95
Mean total dose (no, of 75 IU ampoules)
28.5*
31.8
Mean duration of FSH stimulation (days)
10.7*
11.3
* Differences between the 2 groups were statistically significant (p<0.05).
For ovulation induction, Puregon resulted in a lower median total dose and shorter median duration of
treatment when compared to urinary FSH.
Table 2: Results of study 37609 (randomized, group comparative clinical study comparing safety and efficacy
of Puregon with urinary FSH in ovulation induction).
Puregon
(n = 105)
u-FSH
(n = 66)
Mean no. of follicles ≥ 12 mm
≥ 15 mm
≥ 18 mm
3.6*
Median total dose (IU)
750*
1035
Median duration of treatment (days)
10.0*
13.0
* Differences between the 2 groups were statistically significant (p<0.05).
Restricted to women with ovulation induced (Puregon, n = 76; u-FSH, n = 42).
5.2
Pharmacokinetic properties
Absorption
After subcutaneous administration of Puregon, maximum concentration of FSH is reached within about 12
hours. Due to the sustained release from the injection site and the elimination half-life of about 40 hours
(ranging from 12 to 70 hours), FSH levels remain increased for 24-48 hours. Due to the relatively long
elimination half-life, repeated administration of the same dose will lead to plasma concentrations of FSH that
are approximately 1.5-2.5 times higher than after single dose administration. This increase enables
therapeutic FSH concentrations to be reached.
The absolute bioavailability of subcutaneously administered Puregon is approximately 77%.
Distribution, biotransformation and elimination
Recombinant FSH is biochemically very similar to urinary human FSH and is distributed, metabolised, and
excreted in the same way.
5.3
Preclinical safety data
Single-dose administration of Puregon to rats induced no toxicologically significant effects. In repeated-dose
studies in rats (two weeks) and dogs (13 weeks) up to 100-fold the maximal human dose, Puregon induced
no toxicologically significant effects. Puregon showed no mutagenic potential in the Ames test and in the in
vitro chromosome aberration test with human lymphocytes.
6.
PHARMACEUTICAL PARTICULARS
6.1
List of excipients
Puregon solution for injection contains:
Sucrose
Sodium citrate
Benzyl alcohol
L-methionine
Polysorbate 20
Water for injections
The pH may have been adjusted with sodium hydroxide and/or hydrochloric acid.
6.2
Incompatibilities
In the absence of compatibility studies, this medicinal product must not be mixed with other medicinal
products.
6.3
Shelf life
3 years.
Once the rubber inlay of a cartridge is pierced by a needle, the product may be stored for a maximum of 28
days.
6.4
Special precautions for storage
Store in a refrigerator (2°C – 8°C). Do not freeze.
May be stored by the patient at or below 25ºC for a single period of not more than three months.
Keep the medicine in the outer carton.
For storage conditions after first opening of the medicinal product, see section 6.3.
6.5
Nature and contents of container
Boxes of Puregon solution for injection contain 1 cartridge of Puregon and 6 (300 IU and 600 IU cartridges)
or 9 (900 IU cartridges) needles to be used with the Puregon Pen.
The cartridges are of borosillicate tube (class 1) glass, with a rubber piston and an aluminium crimp-cap with
a rubber inlay.
Cartridges contain 833 IU of FSH activity per mL aqueous solution. Cartridges with a net dose of 300 IU
contain a minimum of 400 IU in 0.480 mL; those of 600 IU contain a minimum of 700 IU in 0.840 mL; those of
900 IU contain a minimum of 1025 IU in 1.230 mL.
6.6
Special precautions for handling and disposal
Do not use if the solution contains particles or if the solution is not clear.
Puregon solution for injection in cartridges is designed for use in conjunction with the Puregon Pen. The
instructions for using the pen must be followed carefully.
Air bubbles must be removed from the cartridge before injection (see instructions for using the pen).
Empty cartridges must not be refilled.
Puregon cartridges are not designed to allow any other drug to be mixed in the cartridges.
Discard used needles immediately after injection.
Any unused medicinal product or waste material should be disposed of in accordance with local
requirements.
7.
MANUFACTURER
Merck Sharp & Dohme Corp., New-Jersey, USA
8.
MARKETING AUTHORIZATION HOLDER
Merck Sharp & Dohme (Israel – 1996) Company Ltd
P.O.Box 7121, Petah-Tikva 49170
9.
REGISTRATION NUMBER(S)
130.52.30898
Revised in April 2020
תוחיטב עדימ ( הרמחה לע העדוה תוחיטב עדימ ( הרמחה לע העדוה
)
)
ןכדועמ( ןכדועמ(
05.2013
05.2013
)
)
_________ ךיראת
_
27/8/2014
________
םושירה רפסמו תילגנאב רישכת םש
:
130-52-30898-00
_
PUREGON solution for injection
_____
___ םושירה לעב םש
_
Merck Sharp & Dohme (Israel – 1996) Company Ltd
___
_
ןכרצל ןולעב ןכרצל ןולעב תושקובמה תורמחהה ןולעב קרפ יחכונ טסקט שדח טסקט
2.2
תורהזא
עגונב תודחוימ ןוגרויפב שומישל ,ןוגרויפב לופיטה ינפל :םא ךלש אפורל רפס
תומייוסמ תוקיטויביטנאל תיגרלא הבוגת ךל התיה )ןיצימוטפרטס וא/ו ןיצימואנ(
וא הטילשב הניאש חומ תרתוי תטולבב תויעב ךל שי סומלתופיהב תויעב
דיאוריתה תטולב לש תוליעפ-תת ךל שי )םזידיאוריתופיה(
יא( הכלהכ תולעופ ןניאש לנרדא תוטולב ךל שי )תילקיטרוק-ונרדא הקיפס
םדב ןיטקלורפ לש תוהובג תומר ךל שי )הימניטקלורפרפיה(
,תרכוס ,אמגודל( םירחא םייאופר םיבצמ ךל שי .)תרחא חווט תכורא הלחמ לכ וא ,בל תלחמ :השיא ךניה םא ( יתלחש רתי יוריג תנומסת
OHSS
)
רוחבל תנמ לע עובק ןפואב לופיטה תועפשה תא קודבי ךלש אפורה לש הנוכנה הנמה תא ןוגרויפ תוריקס ירבעת תא .םוי ידימ דנואסארטלוא תומר תא םג קודבי ךלש אפורהו ןכתיי .עובק ןפואב תולחשה לש םינומרוהה לש ידמ הלודג הנמש ןוויכמ ,דחוימב בושח רבדה .םדב
היושע לע רתי תורוגמ תולחשה םהב ,םייניצר ךא םירידנ םיכוביסל ליבוהל יאופר בצמ .המרונהמ רתוי םילודגל םיכפוה םילדגה םיקיקזהו הדימה ארקנ הז יניצר ( יתלחש רתי יוריג תנומסת
OHSS
,םירידנ םיבצמב
OHSS
.םייח ןכסמ תויהל יושע רומח
OHSS
םילזונ תורבטצהל םרוג .םד ישירק לש תורצוויהל םורגל לולעו הזחהו ןטבה רוזיאב תימואתפ ,ןטבב הרומח תוחיפנב הניחבמ תא םא דימ ךלש אפורה םע רשק ירצ ,הליחב תשגרה ,ןטבה רוזיאב באכ םילזונ תריבצמ האצותכ לקשמב תימואתפ היילע ,האקה ,לושלש , םושנל ישוק וא ןתש ןתמב הדירי ףיעס םג יאר(
" ,
יאוול תועפות
.)"
-ב לופיטל הבוגתה רחא עובק בקעמ
רתי יוריג עונמל רזוע .יתלחש רבדה םא םג ,ןטב יבאכ השיגרמ תא םא דימ ךלש אפורה םע רשק ירצ .הנורחאה הקירזה הנתינש רחאל םימי רפסמ שחרתמ ןוירה יכוביס .)יפוטקא ןוירה( םחרל ץוחמ ןוירהל ןוכיסב הנטק היילע הנשי תמדקומ דנואסארטלוא תקידב עצבל ךרטצי ךלש אפורה ,ןכל .םחרל ץוחמ ןוירהל תורשפאה תא לולשל תנמ לע תצקמב הובג יוכיס תויהל יושע תוירופ ילופיט תורבועה םישנב .הלפהל )סיזובמורת( םד שירק ב לופיט ןוגרויפ
,
ומצע ןוירהל המודב
יוש ןוכיסה תא תולעהל
םד שירק תורצוויה
סיזובמור וניה סיזובמורת .) לש תורצוויה םד ילכב םד שירק
:ןוגכ ,םייניצר םייאופר םיבצמל ליבוהל םילולע םד ישירק
)יתאיר ףיחסת( ךלש תואירב המיסח
ץבש
בל ףקתה
סיטיבלפובמורת( םדה ילכב תויעב
דירו תקלד )תיתקקפ
קומע דירוב תקקפ( םד תמירזב רסח
לולע רשא ) .ךלש לגרה וא עורזה לש ןדבואל םורגל :דחוימב ,לופיטה תליחת ינפל ,ךלש אפורה םע ךכ לע רבד אנא
סיזובמורתמ לובסל רבגומ יוכיס ךל שיש ךל עודי םא
םעפ ולבס ,הבורקה ךתחפשמב והשימ וא ,התא םא סיזובמורתמ
.רומח לקשמ רתימ לבוס התא םא הלחש ביבסת ללוכ ,םיניפורטודנוגב לופיט רחאל עריא הלחש ביבסת ןוגרויפ
לולע הלחשה לש בוביס .הלחשה לש בוביס וניה הלחש ביבסת .הלחשה לא םדה תמירז תקספהל םורגל :םא ךלש אפורל ירפס ,וז הפורתב לופיטה תליחת ינפל
( תולחשה לש רתי יוריג תנומסת רבעב ךל היה
OHSS
ןוירהב תויהל היושע תאש תבשוח וא ןוירהב ךניה
ןטב חותינ רבעב ךל היה
הלחשה לש בוביס רבעב ךל היה
.תולחשב וא הלחשב תוטסיצ ךל שי וא רבעב ךל היה הייברה תכרעמ לש םירחא םילודיגו הלחשב םילודיג תכרעמ לש םירחא םילודיגו הלחשב םילודיג לע םיחוויד ויה לופיט םא עודי אל .תוירופ ילופיט ורבעש םישנב הייברה אל םישנב הלא םילודיגל ןוכיסה תא הלעמ תוירופל תופורתב .תוירופ םירחא םייאופר םיבצמ :םא ךלש אפורל ירפס ,וז הפורתב לופיטה תליחת ינפל ,ףסונב
ןכוסמ תויהל לולע ןוירה יכ אפור ידי לע ךל רמאנ .ךליבשב :רבג ךניה םא ידמ רתוי םע םירבג
FSH
םדב לש תורבגומ תומר
.םיכשאב קזנל ןמיס םניה םדב ןוגרויפ .הלא םירקמב ללכ ךרדב ליעי וניא תועפשה רחא בוקעל ידכב לש הקידב רובעל ךלש אפורה ידי לע שקבתתו ןכתיי ,לופיטה ,ערז תמיגד
דע
2.4
ןוירה
הקנהו .איהשלכ הפורת תליטנ ינפל חקורה וא אפורה םע ץעייתהל שי ב שמתשהל ןיא ןוגרויפ ,ןוירהב ךניה םא היושע תאש תבשוח וא .ןוירהב תויהל ןוגרויפ בלחה רוציי לע עיפשהל יושע ש ריבס אל . ןוגרויפ רבוע תליטנ ינפל ךלש אפורל ירפס ,הקינמ ךניה םא .םאה בלחל ןוגרויפ
4
יאוול תועפות . :השיא ךניה םא דע לע עיפשהל תויושע) תוצופנ יאוול תועפות
1
ךותמ
10
:(םישנא
שאר באכ
,תוימומדא ,באכ ,הרובח ןוגכ( הקרזהה רוזיאב תועפות )דרגו תוחיפנ
( יתלחש רתי יוריג תנומסת
OHSS
ןגאב באכ
וא/ו ןטב באכ תוחיפנ דע לע עיפשהל תויושע) תוצופנ אל יאוול תועפות
1
ךותמ
100
:(םישנא
)תושיגר ללוכ( הזחה לע תונולת
,לושלש ןטבב תוחונ-יא וא תוריצע
םחרה לש הלדגה
הליחב
תדפרס ,תוימומדא ,החירפ ןוגכ( רתי תושיגר לש תובוגת )דרגו
תולחשה לש הלדגה וא תולחשב תוטסיצ
)תולחשה לש בוביס( הלחש ביבסת
ילניגו םומיד דע לע עיפשהל תויושע) תורידנ יאוול תועפות
1
ךותמ
1,000
:(םישנא
רתי יוריג לש בצמ אלל םג שחרתהל לולע רבדה( םד ישירק ,תולחשה לש יוצר אל
ףיעס םג יאר
" ,
תורהזא ןוגרויפב שומישל עגונב תודחוימ
.)"
,)יפוטקא ןוירה( םחרל ץוחמ ןוירה הלפה םירבוע יבורמ תונוירהו לופיטל תורושקכ תובשחנ ןניא הלא יאוול תועפות .םה םג וחווד
ןוגרויפ ( תוירופ ילופיטל אלא ,
רצונש ןוירהל וא ) .םתובקעב :רבג ךניה םא דע לע עיפשהל תויושע) תוצופנ יאוול תועפות
1
ךותמ
10
:(םישנא
הנקא
)באכו תושקתה ןוגכ( הקרזהה רוזיאב תועפות
שאר באכ
החירפ
הזחה לש תמיוסמ הלדגה
םיכשאב הטסיצ ל ןולעב אפור תורמחהה
תושקובמה קרפ
ןולעב טסקט
יחכונ טסקט
שדח
4.4 Special warnings
and precautions for
use
Infertility evaluation before starting treatment
Before starting treatment, the couple's infertility should be
assessed as appropriate. In particular, patients should be
evaluated for hypothyroidism, adrenocortical insufficiency,
hyperprolactinemia and pituitary or hypothalamic
tumours, and appropriate specific treatment given.
In females
Ovarian Hyperstimulation Syndrome )OHSS(
OHSS is a medical event distinct from uncomplicated ovarian
enlargement. Clinical signs and symptoms of mild and
moderate OHSS are abdominal pain, nausea, diarrhoea, mild
to moderate enlargement of ovaries and ovarian cysts. Severe
OHSS may be life-threatening. Clinical signs and symptoms of
severe OHSS are large ovarian cysts, acute abdominal pain,
ascites, pleural effusion, hydrothorax, dyspnoea, oliguria,
haematological abnormalities and weight gain. In rare
instances, venous or arterial thromboembolism may occur in
association with OHSS. Transient liver function test
abnormalities suggestive of hepatic dysfunction with our
without morphologic changes on liver biopsy have also been
reported in association with OHSS.
OHSS may be caused by administration of human Chorionic
Gonadotropin )hCG( and by pregnancy )endogenous hCG(.
Early OHSS usually occurs within 10 days after hCG
administration and may be associated with an excessive
ovarian response to gonadotropin stimulation. Late OHSS
occurs more than 10 days after hCG administration, as a
consequence of the hormonal changes with pregnancy.
Because of the risk of developing OHSS, patients should be
monitored for at least two weeks after hCG administration.
Women with known risk factors for a high ovarian response
may be especially prone to the development of OHSS during
or following treatment with Puregon. For women having their
first cycle of ovarian stimulation, for whom risk factors are only
partially known, close observation for ealy signs and
symptoms of OHSS is recommended.
To reduce the risk of OHSS, ultrasonographic assessment of
follicular development should be performed prior to treatment
and at regular intervals during treatment. The concurrent
determination of serum oestradiol levels may also be useful. In
ART there is an increased risk of OHSS with 18 or more
follicles of 11 mm or more in diameter. When there are 30 or
more follicles in total it is advised to withhold hCG
administration.
Depending on the ovarian response, the following
measurements can be considered to reduce OHSS:
- withhold further stimulation with a gonadotropin for a
maximum of 3 days )coasting(;
- withhold hCG and cancel the treatment cycle;
- administer a dose lower than 10,000 IU of urinary hCG
for triggering final oocyte maturation, e.g. 5,000 IU
urinary hCG or 250 micrograms rec-hCG )which is
equivalent to approximately 6,500 IU of urinary hCG(;
- cancel the fresh embryo transfer and cryopreserve
embryos;
- avoid administration of hCG for luteal phase support.
If OHSS develops, standard and appropriate management of
OHSS should be implemented and followed.
Multiple Pregnancy
Multiple pregnancies and births have been reported for all
gonadotropin treatments, including Puregon. Multiple
gestations, especially high order, carries an increased risk of
adverse maternal )pregnancy and delivery complications( and
perinatal )low birth weight( outcomes. For anovulatory women
undergoing ovulation induction, monitoring follicular
development with transvaginal ultrasonography may aid in
determining whether or not to continue the cycle in order to
reduce the risk of multiple pregnancies. The concurrent
determination of serum oestradiol levels may also be useful.
The patients should be advised of the potential risks of
multiple births before starting treatment.
In women undergoing Assisted Reproduction Technologies
)ART( procedures, the risk of a multiple pregnancy is mainly
related to the number of embryos transferred. When used for
an ovulation induction cycle, appropriate FSH dose
adjustment)s( should prevent multiple follicle development.
Spontaneous Abortion
Rates of pregnancy loss in women undergoing assisted
reproduction techniques are higher than in the normal
population.
Vascular Complications
Thromboembolic events, both in association with and separate
from OHSS, have been reported following treatment with
gonadotropins, including Puregon. Intravascular thrombosis,
which may originate in venous or arterial vessels, can result in
reduced blood flow to vital organs or the extremities. In women
with generally recognised risk factors for thromboembolic
events, such as a personal or family history, severe obesity or
thrombophilia, treatment with gonadotropins, including
Puregon, may further increase this risk. In these women the
benefits of gonadotropin administration, including Puregon,
need to be weighed against the risks. It should be noted,
however, that pregnancy itself also carries an increased risk of
thrombosis.
Ovarian and other Reproductive System Neoplasms
There have been reports of ovarian and other reproductive
system neoplasms, both benign and malignant, in women who
have undergone multiple treatment regimens for infertility
treatment. It is not established whether or not treatment with
gonadotropins increases the risk of these tumors in infertile
women.
Other Medical Conditions
Medical conditions that contraindicate pregnancy should also
be evaluated before starting treatment with Puregon.