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Dose-Ranging Study of Quadrivalent Human Papillomavirus (HPV) (Types 6,11,16,18) L1 Virus-Like Particle (VLP) Vaccine (V501-007)(COMPLETED)

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ClinicalTrials.gov Identifier: NCT00365716
Recruitment Status : Completed
First Posted : August 17, 2006
Results First Posted : August 3, 2010
Last Update Posted : October 7, 2015
Sponsor:
Information provided by (Responsible Party):
Merck Sharp & Dohme Corp.

Study Type: Interventional
Study Design: Allocation: Randomized;   Intervention Model: Parallel Assignment;   Masking: Double (Participant, Investigator);   Primary Purpose: Prevention
Conditions: Papillomavirus Infections
Genital Diseases, Female
Interventions: Biological: Quadrivalent HPV (Types 6,11,16,18) L1 VLP Vaccine 20/40/40/20
Biological: Quadrivalent HPV (Types 6,11,16,18) L1 VLP Vaccine 40/40/40/40
Biological: Quadrivalent HPV (Types 6,11,16,18) L1 VLP Vaccine 80/80/40/80
Biological: Placebo (mcg) (Aluminum Adjuvant)225
Biological: Placebo (mcg) (Aluminum Adjuvant) 450

  Participant Flow


  Baseline Characteristics

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
No text entered.

Reporting Groups
  Description
Quadrivalent HPV (Types 6,11,16,18) L1 VLP Vaccine 20/40/40/20

The Vaccination Period for the Base Study encompassed Day 1 through Month 7, during which time subjects in Group 1 received a 20/40/40/20 formulation of quadrivalent human papillomavirus (HPV) (Types 6, 11, 16, 18) L1 Virus-Like Particle (VLP) vaccine at Day 1, Month 2, and Month 6.

The Follow-up Period for the Base Study encompassed the follow-up of subjects who had received the HPV 16 VLP Vaccine or placebo from completion of the Vaccination Period at Month 7 through Month 36.

Quadrivalent HPV (Types 6,11,16,18) L1 VLP Vaccine 40/40/40/40

The Vaccination Period for the Base Study encompassed Day 1 through Month 7, during which time subjects in Group 2 received a 40/40/40/40 formulation of quadrivalent human papillomavirus (HPV) (Types 6, 11, 16, 18) L1 Virus-Like Particle (VLP) vaccine at Day 1, Month 2, and Month 6.

The Follow-up Period for the Base Study encompassed the follow-up of subjects who had received the HPV 16 VLP Vaccine or placebo from completion of the Vaccination Period at Month 7 through Month 36.

Quadrivalent HPV (Types 6,11,16,18) L1 VLP Vaccine 80/80/40/80

The Vaccination Period for the Base Study encompassed Day 1 through Month 7, during which time subjects in Group 3 received a 80/80/40/80 formulation of quadrivalent human papillomavirus (qHPV) (Types 6, 11, 16, 18) L1 Virus-Like Particle (VLP) vaccine at Day 1, Month 2, and Month 6.

The Follow-up Period for the Base Study encompassed the follow-up of subjects who had received the qHPV 16 VLP Vaccine or placebo from completion of the Vaccination Period at Month 7 through Month 36.

Placebo (mcg) (Aluminum Adjuvant) 225

The Vaccination Period for the Base Study encompassed Day 1 through Month 7, during which time subjects in Group 4 received placebo containing 225 mcg of aluminum adjuvant per dose at Day 1, Month 2, and Month 6.

The Follow-up Period for the Base Study encompassed the follow-up of subjects who had received the qHPV 16 VLP Vaccine or placebo from completion of the Vaccination Period at Month 7 through Month 36.

Placebo (mcg) (Aluminum Adjuvant) 450

The Vaccination Period for the Base Study encompassed Day 1 through Month 7, during which time subjects in Group 5 received placebo containing 450 mcg of aluminum adjuvant per dose at Day 1, Month 2, and Month 6.

The Follow-up Period for the Base Study encompassed the follow-up of subjects who had received the qHPV 16 VLP Vaccine or placebo from completion of the Vaccination Period at Month 7 through Month 36.

Total Total of all reporting groups

Baseline Measures
   Quadrivalent HPV (Types 6,11,16,18) L1 VLP Vaccine 20/40/40/20   Quadrivalent HPV (Types 6,11,16,18) L1 VLP Vaccine 40/40/40/40   Quadrivalent HPV (Types 6,11,16,18) L1 VLP Vaccine 80/80/40/80   Placebo (mcg) (Aluminum Adjuvant) 225   Placebo (mcg) (Aluminum Adjuvant) 450   Total 
Overall Participants Analyzed 
[Units: Participants]
 290   284   292   146   146   1158 
Age 
[Units: Years]
Mean (Full Range)
 20.2 
 (16 to 23) 
 20.0 
 (15 to 24) 
 20.1 
 (16 to 23) 
 20.0 
 (16 to 23) 
 20.1 
 (13 to 23) 
 20.0 
 (13 to 24) 
Gender 
[Units: Participants]
           
Female   290   284   292   146   146   1158 
Male   0   0   0   0   0   0 
Race/Ethnicity, Customized 
[Units: Participants]
           
Asian   7   11   5   6   5   34 
Black   25   32   27   12   7   103 
Hispanic American   15   15   10   10   11   61 
Indian   0   0   2   0   0   2 
Multi-racial   13   9   6   7   4   39 
Native American   2   4   2   0   1   9 
White   228   213   240   111   118   910 


  Outcome Measures

1.  Primary:   Number of Subjects With Injection Site Adverse Experiences   [ Time Frame: Days 1-5 following any vaccination visit ]

Measure Type Primary
Measure Title Number of Subjects With Injection Site Adverse Experiences
Measure Description No text entered.
Time Frame Days 1-5 following any vaccination visit  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
All vaccinated subjects with adverse experience follow-up.

Reporting Groups
  Description
Quadrivalent HPV (Types 6,11,16,18) L1 VLP Vaccine 20/40/40/20

The Vaccination Period for the Base Study encompassed Day 1 through Month 7, during which time subjects in Group 1 received a 20/40/40/20 formulation of quadrivalent human papillomavirus (HPV) (Types 6, 11, 16, 18) L1 Virus-Like Particle (VLP) vaccine at Day 1, Month 2, and Month 6.

The Follow-up Period for the Base Study encompassed the follow-up of subjects who had received the HPV 16 VLP Vaccine or placebo from completion of the Vaccination Period at Month 7 through Month 36.

Quadrivalent HPV (Types 6,11,16,18) L1 VLP Vaccine 40/40/40/40

The Vaccination Period for the Base Study encompassed Day 1 through Month 7, during which time subjects in Group 2 received a 40/40/40/40 formulation of quadrivalent human papillomavirus (HPV) (Types 6, 11, 16, 18) L1 Virus-Like Particle (VLP) vaccine at Day 1, Month 2, and Month 6.

The Follow-up Period for the Base Study encompassed the follow-up of subjects who had received the HPV 16 VLP Vaccine or placebo from completion of the Vaccination Period at Month 7 through Month 36.

Quadrivalent HPV (Types 6,11,16,18) L1 VLP Vaccine 80/80/40/80

The Vaccination Period for the Base Study encompassed Day 1 through Month 7, during which time subjects in Group 3 received a 80/80/40/80 formulation of quadrivalent human papillomavirus (qHPV) (Types 6, 11, 16, 18) L1 Virus-Like Particle (VLP) vaccine at Day 1, Month 2, and Month 6.

The Follow-up Period for the Base Study encompassed the follow-up of subjects who had received the qHPV 16 VLP Vaccine or placebo from completion of the Vaccination Period at Month 7 through Month 36.

Placebo (mcg) (Aluminum Adjuvant) 225

The Vaccination Period for the Base Study encompassed Day 1 through Month 7, during which time subjects in Group 4 received placebo containing 225 mcg of aluminum adjuvant per dose at Day 1, Month 2, and Month 6.

The Follow-up Period for the Base Study encompassed the follow-up of subjects who had received the qHPV 16 VLP Vaccine or placebo from completion of the Vaccination Period at Month 7 through Month 36.

Placebo (mcg) (Aluminum Adjuvant) 450

The Vaccination Period for the Base Study encompassed Day 1 through Month 7, during which time subjects in Group 5 received placebo containing 450 mcg of aluminum adjuvant per dose at Day 1, Month 2, and Month 6.

The Follow-up Period for the Base Study encompassed the follow-up of subjects who had received the qHPV 16 VLP Vaccine or placebo from completion of the Vaccination Period at Month 7 through Month 36.


Measured Values
   Quadrivalent HPV (Types 6,11,16,18) L1 VLP Vaccine 20/40/40/20   Quadrivalent HPV (Types 6,11,16,18) L1 VLP Vaccine 40/40/40/40   Quadrivalent HPV (Types 6,11,16,18) L1 VLP Vaccine 80/80/40/80   Placebo (mcg) (Aluminum Adjuvant) 225   Placebo (mcg) (Aluminum Adjuvant) 450 
Participants Analyzed   288   282   292   146   146 
Number of Subjects With Injection Site Adverse Experiences 
[Units: Participants]
 247   248   266   107   115 

No statistical analysis provided for Number of Subjects With Injection Site Adverse Experiences



2.  Secondary:   Incidence of HPV 6-, 11-, 16- or 18-related Persistent Infection or Disease (Cervical Intraepithelial Neoplasia, Vulvar Intraepithelial Neoplasia, Vaginal Intraepithelial Neoplasia, Adenocarcinoma in Situ, Cervical Cancer, and Genital Warts)   [ Time Frame: Through 36 Months ]

Measure Type Secondary
Measure Title Incidence of HPV 6-, 11-, 16- or 18-related Persistent Infection or Disease (Cervical Intraepithelial Neoplasia, Vulvar Intraepithelial Neoplasia, Vaginal Intraepithelial Neoplasia, Adenocarcinoma in Situ, Cervical Cancer, and Genital Warts)
Measure Description No text entered.
Time Frame Through 36 Months  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Per-protocol population: subjects must have no major protocol violations, must be seronegative at Day 1 and PCR negative through Month 7 to the relevant HPV type, and must provide follow-up data after Month 7

Reporting Groups
  Description
Quadrivalent HPV (Types 6,11,16,18) L1 VLP Vaccine 20/40/40/20

The Vaccination Period for the Base Study encompassed Day 1 through Month 7, during which time subjects in Group 1 received a 20/40/40/20 formulation of quadrivalent human papillomavirus (HPV) (Types 6, 11, 16, 18) L1 Virus-Like Particle (VLP) vaccine at Day 1, Month 2, and Month 6.

The Follow-up Period for the Base Study encompassed the follow-up of subjects who had received the HPV 16 VLP Vaccine or placebo from completion of the Vaccination Period at Month 7 through Month 36.

Placebo (mcg) (Aluminum Adjuvant) 225 or 450 Combined For the purposes of this outcome measure, the placebo groups (225 mcg and 450 mcg) were combined.

Measured Values
   Quadrivalent HPV (Types 6,11,16,18) L1 VLP Vaccine 20/40/40/20   Placebo (mcg) (Aluminum Adjuvant) 225 or 450 Combined 
Participants Analyzed   235   233 
Incidence of HPV 6-, 11-, 16- or 18-related Persistent Infection or Disease (Cervical Intraepithelial Neoplasia, Vulvar Intraepithelial Neoplasia, Vaginal Intraepithelial Neoplasia, Adenocarcinoma in Situ, Cervical Cancer, and Genital Warts) 
[Units: Incidence per 100 person-years]
 0.7   6.7 


Statistical Analysis 1 for Incidence of HPV 6-, 11-, 16- or 18-related Persistent Infection or Disease (Cervical Intraepithelial Neoplasia, Vulvar Intraepithelial Neoplasia, Vaginal Intraepithelial Neoplasia, Adenocarcinoma in Situ, Cervical Cancer, and Genital Warts)
Groups [1] All groups
Statistical Test Type [2] Superiority or Other
Vaccine Efficacy [3] 89.5
95% Confidence Interval 70.7 to 97.3
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  No text entered.
[2] Details of power calculation, definition of non-inferiority margin, and other key parameters:
  No text entered.
[3] Other relevant estimation information:
 

Vaccine Efficacy (% relative risk reduction)

Confidence Interval based on binomial tail probabilities and not from a dispersion parameter.





  Serious Adverse Events


  Other Adverse Events


  Limitations and Caveats


  More Information