País: Canadá
Idioma: inglés
Fuente: Health Canada
HEPATITIS B SURFACE ANTIGEN (RECOMBINANT)
MERCK CANADA INC
J07BC01
HEPATITIS B, PURIFIED ANTIGEN
40MCG
SOLUTION
HEPATITIS B SURFACE ANTIGEN (RECOMBINANT) 40MCG
INTRAMUSCULAR
1ML
Schedule D
VACCINES
Active ingredient group (AIG) number: 0119570003; AHFS:
CANCELLED POST MARKET
2005-09-17
PRODUCT MONOGRAPH RECOMBIVAX HB ® (hepatitis B vaccine [recombinant]) Injectable Solution Vaccine for immunization against infection caused by hepatitis B virus including all known subtypes MERCK FROSST CANADA LTD. Date of Revision: 16711 Trans Canada Highway Kirkland QC H9H 3L1 Canada www.merckfrosst.com CONTROL # 115825 DATE OF APPROVAL: FEBRUARY 14, 2008 RECOMBIVAX HB ® is a Registered Trademark of Merck & Co., Inc. Used under license. 1 PRODUCT MONOGRAPH NAME OF DRUG RECOMBIVAX HB ® (hepatitis B vaccine [recombinant]) Injectable Solution THERAPEUTIC CLASSIFICATION Vaccine for immunization against infection caused by hepatitis B virus including all known subtypes ACTION AND CLINICAL PHARMACOLOGY Hepatitis B virus is one of at least five hepatitis viruses that cause a systemic infection, with major pathology in the liver. The others are hepatitis A, hepatitis C, hepatitis D, and hepatitis E viruses. Hepatitis B virus is an important cause of viral hepatitis. There is no specific treatment for this disease. The incubation period for type B hepatitis is relatively long; six weeks to six months may elapse between exposure and the onset of clinical symptoms. The prognosis following infection with hepatitis B virus is variable and dependent on at least three factors: (1) Age - Infants and younger children usually experience milder initial disease than older persons; 1 (2) Dose of Virus - The higher the dose, the more likely acute icteric hepatitis B will result; 1 and, (3) Severity of associated underlying disease - Underlying malignancy or pre-existing hepatic disease predisposes to increased morbidity and mortality. 1 2 Persistence of viral infection (the chronic hepatitis B virus carrier state) occurs in 5-10% of persons following acute hepatitis B, and occurs more frequently after initial anicteric hepatitis B than after initial icteric disease. Consequently, carriers of hepatitis B surface antigen (HBsAg) frequently give no history of recognized acute hepatitis. The World Health Organization estimated that m Leer el documento completo