Overview

This is a summary of the European public assessment report (EPAR) for Zostavax. It explains how the Committee for Medicinal Products for Human Use (CHMP) assessed the medicine to reach its opinion in favour of granting a marketing authorisation and its recommendations on the conditions of use for Zostavax.

Zostavax is a vaccine that is available as a powder and solvent to be made up into a solution for injection. The active substance is the attenuated (weakened) varicella-zoster virus.

Zostavax is used to vaccinate people aged 50 years or older, to prevent herpes zoster (also known as zoster or shingles) and the long-lasting nerve pain that may follow the disease (post-herpetic neuralgia).

The vaccine can only be obtained with a prescription.

Zostavax is given as a single dose injected under the skin or into the muscle, preferably around the shoulder. In patients who have bleeding problems, the vaccine should be given under the skin.

Herpes zoster, or shingles, is a disease caused by the reactivation of the varicella-zoster virus, the same virus that causes chickenpox. Shingles develops in people who have had chickenpox earlier in life, generally as a child. After chickenpox, the varicella-zoster virus stays in the body, in the nervous system, in a ‘dormant’ (inactive) state. Sometimes, after many years, and for reasons which are not fully understood, the virus becomes active again, and the patient develops shingles, a painful, blistering rash typically in one part of the body. The rash takes usually several weeks to clear, and may be followed by severe long-lasting pain (post-herpetic neuralgia) in the area where the rash was.

The risk of developing shingles increases with age and seems to be linked to a decline in the specific immunity (protection) against varicella-zoster virus. Zostavax is a vaccine that was shown to ‘boost’ this specific immunity, protecting against shingles and the pain associated with it.

The main study of Zostavax compared the vaccine with placebo (a dummy) vaccine in around 39,000 patients aged between 59 and 99 years. The study was a double-blind trial, which means that neither the doctor nor the patient knew what treatment the patient was receiving. The patients were followed for 2 to 4.5 years after vaccination. The main measure of effectiveness was based on the number of people who developed shingles and post-herpetic pain.

Two further studies looked at Zostavax in over 1,000 patients aged 50 years or older, of whom 389 were between 50 and 59 years of age. The studies looked at the ability of the vaccine to stimulate the production of antibodies against varicella-zoster virus in the blood, four weeks after injection.

Zostavax was more effective than placebo in preventing shingles. Fewer people developed shingles after vaccination with Zostavax than placebo: 315 of the 19,254 patients who received Zostavax had shingles during the study, compared with 642 of the 19,247 who received placebo. Zostavax was also more effective than placebo in preventing post-herpetic neuralgia: 27 of the Zostavax patients had post-herpetic neuralgia, compared with 80 in the placebo group.

The additional two studies showed that patients vaccinated with Zostavax had blood levels of antibodies against varicella-zoster virus that were about two to three times higher four weeks after vaccination. The effect was seen both in patients aged between 50 and 59 years and in those aged 60 years and older.

In studies, the most common side effects with Zostavax are reactions at the site of the injection (redness, pain, swelling, itching, warmth and bruising), headache and pain in the arm or leg. Most of these side effects were mild. For the full list of all side effects reported with Zostavax, see the package leaflet.

Zostavax must not be used in people who are hypersensitive (allergic) to any of the components of the vaccine, or to any substances found at trace (very low) levels in the vaccine such as neomycin (an antibiotic). The vaccine must not be used in people who have problems with their immune system, either because they have a disease such as leukaemia, lymphoma, acquired immune deficiency syndrome (AIDS), or because they are taking medicines that affect the immune system. It must also not be used in patients with active untreated tuberculosis or in pregnant women. For the full list of restrictions, see the package leaflet.

The CHMP decided that Zostavax’s benefits are greater than its risks and recommended that it be given marketing authorisation.

A risk management plan has been developed to ensure that Zostavax is used as safely as possible. Based on this plan, safety information has been included in the summary of product characteristics and the package leaflet for Zostavax, including the appropriate precautions to be followed by healthcare professionals and patients.

The European Commission granted a marketing authorisation valid throughout the European Union for Zostavax on 19 May 2006.

For more information about treatment with Zostavax, read the package leaflet (also part of the EPAR) or contact your doctor or pharmacist.

Zostavax : EPAR - Summary for the public

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Product information

Zostavax : EPAR - Product Information

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Latest procedure affecting product information: IA/0142/G

30/06/2022

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This medicine’s product information is available in all official EU languages.
Select 'available languages' to access the language you need.

Product information documents contain:

  • summary of product characteristics (annex I);
  • manufacturing authorisation holder responsible for batch release (annex IIA);
  • conditions of the marketing authorisation (annex IIB);
  • labelling (annex IIIA);
  • package leaflet (annex IIIB).

Zostavax : EPAR - All Authorised presentations

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Product details

Name of medicine
Zostavax
Active substance
varicella-zoster virus (live, attenuated)
International non-proprietary name (INN) or common name
shingles (herpes zoster) vaccine (live)
Therapeutic area (MeSH)
  • Herpes Zoster
  • Immunization
Anatomical therapeutic chemical (ATC) code
J07BK02

Pharmacotherapeutic group

Viral vaccines

Therapeutic indication

Zostavax is indicated for prevention of herpes zoster ('zoster' or shingles) and herpes-zoster-related post-herpetic neuralgia.

Zostavax is indicated for immunisation of individuals 50 years of age or older.

Authorisation details

EMA product number
EMEA/H/C/000674
Marketing authorisation holder
Merck Sharp & Dohme B.V.

Waarderweg 39
2031 BN Haarlem
The Netherlands

Opinion adopted
23/03/2006
Marketing authorisation issued
19/05/2006
Revision
33

Assessment history

Zostavax : EPAR - Procedural steps taken and scientific information after authorisation

Zostavax-H-C-674-A20-0052 : EPAR - Assessment Report - Article 20

Zostavax-H-C-674-II-0003 : EPAR - Scientific Discussion - Variation

Zostavax : EPAR - Scientific Discussion

Zostavax : EPAR - Procedural steps taken before authorisation

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