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A Phase III Double-Blind, Randomized Multicenter Study to Evaluate the Safety, Tolerability and Immunogenicity of ZOSTAVAX administered comcomitantly versus Non-concomitantly with PNEUMOVAX 23 in subjects 60 years of age and older.

A Phase III Double-Blind, Randomized Multicenter Study to Evaluate the Safety, Tolerability and Immunogenicity of ZOSTAVAX administered comcomitantly versus Non-concomitantly with PNEUMOVAX 23 in subjects 60 years of age and older.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2007-000344-26-DE
Enrollment
472
Registered
2007-04-10
Start date
2007-06-04
Completion date
Unknown
Last updated
2012-03-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

herpes zoster, pneumococcal infection MedDRA version: 9.1 Level: LLT Classification code 10019974 Term: Herpes zoster

Interventions

Sponsors

Merck & Co., Inc.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Age 60 years or older 2. Signed an informed consent prior to any study procedures 3. Afebrile (=65 years) yes F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: 1. A history of allergic reaction to any vaccine component. 2. Prior history of herpes zoster or invasive/culture-positive pneumococcal disease. 3. Prior receipt of any pneumococcal, varicella or zoster vaccine. 4. Any acute intercurrent illness or significant underlying illness that may interfere with the interpretation of the study. 5. Subject is pregnant or breastfeeding or expecting to conceive within the projected duration of the study. 6. Use of immunosuppressive therapy, known or suspected immune dysfunction that is caused by a medical condition or any other cause 7. Any concomitant use of nontopical antiviral therapy with activity against herpesviruses

Design outcomes

Primary

MeasureTime frame
Secondary Objective: To assess the safety and tolerability of ZOSTAVAX™ and PNEUMOVAX™ 23 when administered concomitantly.;Main Objective: 1. To determine whether ZOSTAVAX™ administered concomitantly with PNEUMOVAX™ 23 elicits a VZV antibody response that is noninferior to that of ZOSTAVAX™ administered nonconcomitantly. 2. To demonstrate whether ZOSTAVAX™ elicits an acceptable VZV antibody response when administered concomitantly with PNEUMOVAX™ 23. 3. To assess whether PNEUMOVAX™ 23 administered concomitantly with ZOSTAVAX™ elicits serotype-specific pneumococcal antibody responses for serotypes 3, 14, 19A, and 22F that are noninferior to those of PNEUMOVAX™ 23 administered nonconcomitantly ;Primary end point(s): Immunogenicity endpoints for varicella zoster virus (VZV) antibody responses: • geometric mean titer (GMT) 4 weeks postvaccination of ZOSTAVAX™ • geometric mean foldrise (GMFR) from prevaccination to 4 weeks postvaccination of ZOSTAVAX™ Immunogenicity endpoints for pneumococcal polysaccharide (PnPs) antibody responses - GMT 4 weeks postvaccination of PNEUMOVAX™ 23 Safety endpoints: • Tiered approach will be used to analyze specific adverse experiences o Tier 1: VRC-prompted VZV-like rash, noninjection-site, from Day 1 to Day 28 after each vaccination; and injection-site adverse experiences; VRC-prompted, Day 1 to Day 5 following each vaccination for primary analysis o Tier 2: adverse experiences that are not prompted for on the VRC but reported by =1% of subjects in either vaccination group o Tier 3: all other adverse experiences Day 1 to Day 28 following each vaccination will be summarized • Overall rate of serious adverse experiences o Day 1 to Day 28 following each vaccination for primary analysis (risk difference and 95% CI) o All serious adverse experiences will be reported and summarized from the time of enrollment through Visit 3

Countries

Germany, Italy, Spain, United Kingdom

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026