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Vaccines

V503 given as a 0.5 mL intramuscular injection in the deltoid muscle of the non-dominant arm on Day 1, Month 2, and Month 6, and Repevax™ given as a 0.5 mL intramuscular injection in the deltoid muscle of the dominant arm on Day 1

V503 given as a 0.5 mL intramuscular injection in the deltoid muscle of the non-dominant arm on Day 1, Month 2, and Month 6, and Repevax™ given as a 0.5 mL intramuscular injection in the deltoid muscle of the dominant arm at Month 1

V503 (Multivalent HPV L1 VLP vaccine) given as a 0.5 mL intramuscular injection at Day 1, Month 2, and Month 6

V503 Vaccine

REPEVAX™ given as a single 0.5 mL intramuscular injection at Day 1

REPEVAX™ (Concomitant)

REPEVAX™ given as a single 0.5 mL intramuscular injection at Month 1

REPEVAX™ (Non-concomitant)

Medical Director

This study will evaluate whether co-administration of the first dose of V503 and REPEVAX™ is well tolerated and causes a non-inferior immune response when compared to administration of REPEVAX™ one month following the first dose of V503.

A Study of V503 Vaccine Given Concomitantly With REPEVAX™ in 11 to 15 Year Olds (V503-007)

A Phase III Open-Label Clinical Trial to Study the Immunogenicity and Tolerability of V503, a Multivalent Human Papillomavirus (HPV) L1 Virus-Like Particle (VLP) Vaccine, Given Concomitantly With REPEVAX™ in Preadolescents and Adolescents (11 to 15 Year Olds)

https://www.merck.com/clinical-trials/pdf/ProcedureAccessClinicalTrialData.pdf

Serum antibody titers for HPV types 6, 11, 16, 18, 31, 33, 45, 52, and 58 were measured using a competitive Luminex immunoassay. Titers are reported in milli Merck Units/mL.

An adverse experience (AE) is defined as any unfavorable and unintended change in the structure, function, or chemistry of the body temporally associated with the use of the study vaccine, whether or not considered related to the use of the vaccine. Any worsening of a preexisting condition which is temporally associated with the use of the vaccine is also an AE. Only injection-site AEs in the arm that received V503 vaccination were reported for this endpoint.

For the Concomitant Vaccination group, injection-site AEs are reported following Day 1 vaccination; for the Non-concomitant Vaccination group, injection-site AEs are reported following Month 1 vaccination. An AE is defined as any unfavorable and unintended change in the structure, function, or chemistry of the body temporally associated with the use of the study vaccine, whether or not considered related to the use of the vaccine. Any worsening of a preexisting condition which is temporally associated with the use of the vaccine is also an AE. Only injection-site AEs in the arm that received Repevax™ vaccination were reported for this endpoint.

For the Concomitant Vaccination group, temperatures were collected after the Day 1 vaccination and the Month 1 visit; for the Non-concomitant Vaccination group, temperatures were collected after the Day 1 vaccination and the Month 1 vaccination.

For the Concomitant Vaccination group, systemic AEs were collected after the Day 1 vaccination and the Month 1 visit; for the Non-concomitant Vaccination group, systemic AEs were collected after the Day 1 vaccination and the Month 1 vaccination. An AE is defined as any unfavorable and unintended change in the structure, function, or chemistry of the body that is temporally associated with the use of the study vaccine, whether or not considered related to the use of the vaccine. Any worsening of a preexisting condition which is temporally associated with the use of the vaccine is also an adverse experience. A systemic AE was an AE that was not associated with the injection site.

For the Concomitant Vaccination group, serum samples were collected 4 weeks after the Day 1 vaccination; for the Non-concomitant Vaccination group, serum samples were collected 4 weeks after the Month 1 vaccination. Titers of neutralizing antibody to diphtheria toxin were measured using a cell-based Diphtheria Micrometabolic Inhibition assay. Serum titers of neutralizing antibody to tetanus toxin were measured using an enzyme immunoassay. The lower limits of quantitation of the assays was 0.01 International Units (IU)/mL and 0.04 IU/mL, respectively. Acceptable titers refer to the World Health Organization-defined protective titer of \>=0.1 IU/mL.

For the Concomitant Vaccination group, serum samples were collected 4 weeks after the Day 1 vaccination; for the Non-concomitant Vaccination group, serum samples were collected 4 weeks after the Month 1 vaccination. Titers of anti-pertussis toxin (PT), anti-filamentous hemagglutinin (FHA), anti-pertactin (PRN), and anti-fimbriae 2/3 (FM 2/3) antibodies were measured using enzyme-linked immunosorbent assays. Titers are expressed as enzyme-linked immunoassay units/mL (ELU/mL).

For the Concomitant Vaccination group, serum samples were collected 4 weeks after the Day 1 vaccination; for the Non-concomitant Vaccination group, serum samples were collected 4 weeks after the Month 1 vaccination. Titers of neutralizing antibody to poliovirus type 1, 2, and 3 were measured using a microneutralization assay. Serial dilutions of sera were incubated with type-specific standard poliovirus and sensitive cells. Neutralization of the virus was measured by cell staining. Acceptable titers were defined as neutralization at \>=1:8 dilution of serum.

Blood was drawn at Month 7 and assayed to determine whether or not a participant had achieved seroconversion for the HPV types. The lower limit of the titer (milli Merck U/mL) considered seropositive was as follows: HPV Type 6: \>=30, HPV Type 11: \>=16; HPV Type 16: \>=20, HPV Type 18: \>=24, HPV Type 31: \>=10, HPV Type 33: \>=8, HPV Type 45: \>=8, HPV Type 52: \>=8, and HPV Type 58: \>=8.

Merck Sharp & Dohme LLC

Adverse events were collected for all participants who received at least one dose of V503 and Repevax™

V503 given as a 0.5 mL intramuscular injection in the deltoid muscle of the non-dominant arm on Day 1, Month 2, and Month 6, and Repevax™ given as a 0.5 mL intramuscular injection in the deltoid muscle of the dominant arm at Day 1

Concomitant Vaccination

Non-concomitant Vaccination

Total

Age, Continuous

Sex: Female, Male

Senior Vice President, Global Clinical Development

Anti-HPV 6: n=477, 461

Anti-HPV 11: n=479, 462

Anti-HPV 16: n=489, 479

Anti-HPV18: n=486, 475

Anti-HPV 31: n=485, 473

Anti-HPV 33: n=487, 478

Anti-HPV 45: n=489, 478

Anti-HPV 52: n=490, 479

Anti-HPV 58: n=484, 469

The per-protocol population included participants who received all study vaccinations, were seronegative to HPV on Day 1, and had serum samples available for evaluation of the endpoint

Geometric Mean Titers (GMTs) of the Antibody Response to Each of the Human Papillomavirus (HPV) Types Contained in V503

The population analyzed included all vaccinated participants with follow-up

Percentage of Participants With a V503 Injection-site Adverse Experience

Percentage of Participants With a Repevax™ Injection-site Adverse Experience

Percentage of Participants With Maximum Temperature >=37.8 °C (>=100.0 °F) (Oral or Oral Equivalent)

Percentage of Participants With a Systemic Adverse Experience

Anti-diphtheria titer >=0.1 IU/mL: n=505, 474

Anti-tetanus titer >=0.1 IU/mL: n=504, 472

The per-protocol population included participants who received vaccination and had serum samples available for evaluation of the endpoint

Spots Global Cancer Trial Database for v503 vaccine

Every month we try and update this database with for v503 vaccine cancer trials from around the world to help patients and their families find trials that might be right for them.
We offer this 100% free of charge and do not endorse any of the trials listed here, we hope it helps you or a loved one.