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Attenuvax

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Attenuvax

Indications
Dosage
How Supplied

INDICATIONS

Recommended Vaccination Schedule

ATTENUVAX (measles virus vaccine live) is indicated for vaccination against measles in persons 12 months of age or older.

Individuals first vaccinated with ATTENUVAX (measles virus vaccine live) at 12 months of age or older should be revaccinated with M-M-R* II (Measles, Mumps, and Rubella Virus Vaccine Live) prior to elementary school entry. Revaccination is intended to seroconvert those who do not respond to the first dose. The Advisory Committee on Immunization Practices (ACIP) recommends administration of the first dose of M-M-R II at 12-15 months of age and administration of the second dose of M-M-R II at 4-6 years of age.35 In addition, some public health jurisdictions mandate the age for revaccination. Consult the complete text of applicable guidelines regarding routine revaccination including that of high-risk adult populations.

Measles Outbreak Schedule

Infants Between 6-12 Months of Age

Local health authorities may recommend measles vaccination of infants between 6-12 months of age in outbreak situations. This population may fail to respond to the measles component of the vaccine. The younger the infant, the lower the likelihood of seroconversion (see CLINICAL PHARMACOLOGY). Such infants should receive a second dose of M-M-R II between 12 to 15 months of age followed by revaccination prior to elementary school entry.35

Unnecessary doses of a vaccine are best avoided by ensuring that written documentation of vaccination is preserved and a copy given to each vaccinee's parent or guardian.

Other Vaccination Considerations

Other Populations

Individuals planning travel outside the United States, if not immune, can acquire measles, mumps, or rubella and import these diseases into the United States. Therefore, prior to international travel, individuals known to be susceptible to one or more of these diseases can receive either a monovalent vaccine (measles, mumps or rubella), or a combination vaccine as appropriate. However, M-M-R II is preferred for persons likely to be susceptible to mumps and rubella; and if monovalent measles vaccine is not readily available, travelers should receive M-M-R II regardless of their immune status to mumps or rubella.15-17

Vaccination is recommended for susceptible individuals in high-risk groups such as college students, health care workers, and military personnel.15

According to ACIP recommendations, most persons born in 1956 or earlier are likely to have been infected with measles naturally and generally need not be considered susceptible. All children, adolescents, and adults born after 1956 are considered susceptible and should be vaccinated, if there are no contraindications. This includes persons who may be immune to measles but who lack adequate documentation of immunity such as: (1) physician-diagnosed measles, (2) laboratory evidence of measles immunity, or (3) adequate immunization with live measles vaccine on or after the first birthday.15

The ACIP recommends that “Persons vaccinated with inactivated vaccine followed within 3 months by live vaccine should be revaccinated with two doses of live vaccine. Revaccination is particularly important when the risk of exposure to natural measles virus is increased, as may occur during international travel.”15

Post-Exposure Vaccination

ATTENUVAX (measles virus vaccine live) given immediately after exposure to natural measles may provide some protection if the vaccine can be administered within 72 hours of exposure. If, however, the vaccine is given a few days before exposure, substantial protection may be provided.15,18,19

Use With Other Vaccines

See DOSAGE AND ADMINISTRATION, Use With Other Vaccines.

DOSAGE AND ADMINISTRATION

FOR SUBCUTANEOUS ADMINISTRATION

Do not inject intravenously

The dose for any age is 0.5 mL administered subcutaneously, preferably into the outer aspect of the upper arm.

The recommended age for primary vaccination is 12 to 15 months.

Revaccination with M-M-R II is recommended prior to elementary school entry. See also INDICATIONS AND USAGE, Recommended Vaccination Schedule.

Children first vaccinated when younger than 12 months of age should receive another dose between 12 to 15 months of age followed by revaccination prior to elementary school entry.35 See also INDICATIONS AND USAGE, Measles Outbreak Schedule.

Immune Globulin (IG) is not to be given concurrently with ATTENUVAX (measles virus vaccine live) .

CAUTION: A sterile syringe free of preservatives, antiseptics, and detergents should be used for each injection and/or reconstitution of the vaccine because these substances may inactivate the live virus vaccine. A 25 gauge, 5/8“ needle is recommended.

To reconstitute, use only the diluent supplied, since it is free of preservatives or other antiviral substances which might inactivate the vaccine.

Single Dose Vial - First withdraw the entire volume of diluent into the syringe to be used for reconstitution. Inject all the diluent in the syringe into the vial of lyophilized vaccine, and agitate to mix thoroughly. If the lyophilized vaccine cannot be dissolved, discard. Withdraw the entire contents into a syringe and inject the total volume of restored vaccine subcutaneously.

It is important to use a separate sterile syringe and needle for each individual patient to prevent transmission of hepatitis B and other infectious agents from one person to another.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration whenever solution and container permit. ATTENUVAX (measles virus vaccine live) , when reconstituted, is clear yellow.

Use With Other Vaccines

ATTENUVAX (measles virus vaccine live) should not be given less than one month before or after administration of other live viral vaccines.

M-M-R II has been administered concurrently with VARIVAX* [Varicella Virus Vaccine Live (Oka/Merck)], and PedvaxHIB* [Haemophilus b Conjugate Vaccine (Meningococcal Protein Conjugate)] using separate sites and syringes. No impairment of immune response to individually tested vaccine antigens was demonstrated. The type, frequency, and severity of adverse experiences observed with M-M-R II were similar to those seen when each vaccine was given alone.

Routine administration of DTP (diphtheria, tetanus, pertussis) and/or OPV (oral poliovirus vaccine) concurrently with measles, mumps, and rubella vaccines is not recommended because there are limited data relating to the simultaneous administration of these antigens.

However, other schedules have been used. The ACIP has stated ”Although data are limited concerning the simultaneous administration of the entire recommended vaccine series (i.e., DTP, OPV, MMR, and Hib vaccines, with or without hepatitis B vaccine), data from numerous studies have indicated no interference between routinely recommended childhood vaccines (either live, attenuated, or killed). These findings support the simultaneous use of all vaccines as recommended.“14

HOW SUPPLIED

No. 4589X/4309 ATTENUVAX (measles virus vaccine live) is supplied as follows: (1) a box of 10 single-dose vials of lyophilized vaccine (package A), NDC 0006-4589-00; and (2) a box of 10 vials of diluent (package B). To conserve refrigerator space, the diluent may be stored separately at room temperature.

Storage

During shipment, to ensure that there is no loss of potency, the vaccine must be maintained at a temperature of 10°C (50°F) or colder. Freezing during shipment will not affect potency.

Protect the vaccine from light at all times, since such exposure may inactivate the virus.

Before reconstitution, store the vial of lyophilized vaccine at 2-8°C (36-46°F) or colder. The diluent may be stored in the refrigerator with the lyophilized vaccine or separately at room temperature.

It is recommended that the vaccine be used as soon as possible after reconstitution. Store reconstituted vaccine in the vaccine vial in a dark place at 2-8°C (36-46°F) and discard if not used within 8 hours.

REFERENCES

14. Centers for Disease Control and Prevention. Recommended childhood immunization schedule — United States, January-June 1996, MMWR 44(51 & 52): 940-943, January 5, 1996.

15. Measles Prevention: Recommendations of the Immunization Practices Advisory Committee (ACIP), MMWR 38(S-9): 5-22, December 29, 1989.

16. Jong, E.C.: The Travel and Tropical Medicine Manual, W.B. Saunders Company, p. 12-16, 1987.

17. Committee on Immunization Council of Medical Societies, American College of Physicians, Phila. PA, Guide for Adult Immunization, First Edition, 1985.

18. King, G.E.; Markowitz, L.E.; Patriarca, P.A.; et al: Clinical Efficacy of Measles Vaccine During the 1990 Measles Epidemic, Pediatr. Infect. Dis. J. 10(12): 883-888, December 1991.

19. Krasinski, K.; Borkowski, W.: Measles and Measles Immunity in Children Infected With Human Immunodeficiency Virus, JAMA 261(17): 2512-2516, 1989.

35. Measles, Mumps, and Rubella — Vaccine Use and Strategies for Elimination of Measles, Rubella, and Congenital Rubella Syndrome and Control of Mumps: Recommendations of the Advisory Committee on Immunization Practices (ACIP), MMWR 47(RR-8): May 22, 1998.

Manuf. and Dist. by: Merck & Co. Inc., Whitehouse Station, New Jersey, NJ 08889, USA. Issued February 2006. FDA revision date: n/a

Last reviewed on RxList: 12/2/2008
This monograph has been modified to include the generic and brand name in many instances.

Indications
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