Clinical trial · Interventional
A Study of Gardasil (V501) in Preadolescents and Adolescents (V501-018)
A Safety and Immunogenicity Study of Quadrivalent HPV (Types 6, 11, 16, 18) L1 Virus-Like Particle (VLP) Vaccine in Preadolescents and Adolescents (Base Study). A Long Term Immunogenicity, Safety, and Effectiveness Study of GARDASIL (Human Papillomavirus [Types 6, 11, 16, 18] Recombinant Vaccine) Among Adolescents Who Received GARDASIL at 9-18 Years of Age (Extension Study).
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
This study is to evaluate the safety, tolerability, and immune response of an investigational vaccine in preadolescent and adolescent boys and girls for the prevention of Human Papilloma Virus (HPV).
Conditions
Conditions (2)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Human | — | UNRESOLVED | — |
| Papillomavirus Infections | — | UNRESOLVED | — |
Interventions
Interventions (2)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| Comparator: Placebo | Biological | — | UNRESOLVED |
| V501 | Biological | — | UNRESOLVED |
Design
Arms and outcomes
Arms (3)
- type
- EXPERIMENTAL
- label
- qHPV Vaccine in Base Study
- description
- Represents participants who were randomized into the qHPV Group, who received three 0.5 mL intramuscular injections of V501 (qHPV) at Day 1, Month 2, and Month 6.
- interventionNames
- Biological: V501
- type
- PLACEBO_COMPARATOR
- label
- Placebo in Base Study
- description
- Represents participants who were randomized into the Placebo Group, who received three 0.5 mL intramuscular injections of placebo at Day 1, Month 2, and Month 6.
- interventionNames
- Biological: Comparator: Placebo
- type
- EXPERIMENTAL
- label
- qHPV Vaccine in Extension Study
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 9 Years
- Maximum age
- 15 Years
Show eligibility criteria text
Inclusion Criteria: * Healthy adolescents and preadolescents with no prior sexual history Exclusion Criteria: * Subjects with compromised immune system or have a history of severe allergic reaction
References
Publications (5)
- BACKGROUNDReisinger KS, Block SL, Lazcano-Ponce E, Samakoses R, Esser MT, Erick J, Puchalski D, Giacoletti KE, Sings HL, Lukac S, Alvarez FB, Barr E. Safety and persistent immunogenicity of a quadrivalent human papillomavirus types 6, 11, 16, 18 L1 virus-like particle vaccine in preadolescents and adolescents: a randomized controlled trial. Pediatr Infect Dis J. 2007 Mar;26(3):201-9. doi: 10.1097/01.inf.0000253970.29190.5a. PMID 17484215
- BACKGROUNDPerez G, Lazcano-Ponce E, Hernandez-Avila M, Garcia PJ, Munoz N, Villa LL, Bryan J, Taddeo FJ, Lu S, Esser MT, Vuocolo S, Sattler C, Barr E. Safety, immunogenicity, and efficacy of quadrivalent human papillomavirus (types 6, 11, 16, 18) L1 virus-like-particle vaccine in Latin American women. Int J Cancer. 2008 Mar 15;122(6):1311-8. doi: 10.1002/ijc.23260. PMID 18000825
- RESULTFerris D, Samakoses R, Block SL, Lazcano-Ponce E, Restrepo JA, Reisinger KS, Mehlsen J, Chatterjee A, Iversen OE, Sings HL, Shou Q, Sausser TA, Saah A. Long-term study of a quadrivalent human papillomavirus vaccine. Pediatrics. 2014 Sep;134(3):e657-65. doi: 10.1542/peds.2013-4144. Epub 2014 Aug 18. PMID 25136050
- RESULTFerris DG, Samakoses R, Block SL, Lazcano-Ponce E, Restrepo JA, Mehlsen J, Chatterjee A, Iversen OE, Joshi A, Chu JL, Krick AL, Saah A, Das R. 4-Valent Human Papillomavirus (4vHPV) Vaccine in Preadolescents and Adolescents After 10 Years. Pediatrics. 2017 Dec;140(6):e20163947. doi: 10.1542/peds.2016-3947. PMID 29167376
- DERIVEDGarland SM, Ault KA, Gall SA, Paavonen J, Sings HL, Ciprero KL, Saah A, Marino D, Ryan D, Radley D, Zhou H, Haupt RM, Garner EIO; Quadrivalent Human Papillomavirus Vaccine Phase III Investigators. Pregnancy and infant outcomes in the clinical trials of a human papillomavirus type 6/11/16/18 vaccine: a combined analysis of five randomized controlled trials. Obstet Gynecol. 2009 Dec;114(6):1179-1188. doi: 10.1097/AOG.0b013e3181c2ca21. PMID 19935017