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Immunogenicity and Reactogenicity of Alternative Schedules of Gardasil

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ClinicalTrials.gov Identifier: NCT00524745
Recruitment Status : Completed
First Posted : September 5, 2007
Results First Posted : September 8, 2011
Last Update Posted : April 14, 2017
Sponsor:
Collaborator:
National Institute of Hygiene and Epidemiology, Vietnam
Information provided by (Responsible Party):
PATH

Brief Summary:
To demonstrate that Gardasil® vaccine, when given to girls 11-13 years of age according to 1 of 3 alternative 3-dose schedules (0, 3, 9 months; 0, 6, 12 months; or 0, 12, 24 months), results in anti-HPV type 16 and anti-HPV type 18 responses 28 days post-dose 3 that are similar to those obtained when the vaccine is given on the standard 3-dose schedule of 0, 2, 6 months.

Condition or disease Intervention/treatment Phase
Dose Schedule Study Biological: Biological: quadrivalent human papillomavirus (types 6, 11, 16, 18) recombinant vaccine Not Applicable

Detailed Description:

OBJECTIVES:

Primary objective:

To test the hypothesis that Gardasil® vaccine, when administered to girls 11-13 years of age according to 1 of 3 alternative 3-dose schedules (0,3,9 months; 0,6,12 months; or 0,12,24 months), results in anti-HPV 16 and anti-HPV 18 responses 28 days post-dose 3 that are similar to those obtained when the vaccine is administered on the standard 3-dose schedule of 0,2,6 months.

Secondary objectives:

  1. To test the hypothesis that Gardasil® vaccine, when administered to girls 11-13 years of age according to 1 of 3 alternative 3-dose schedules (0,3,9 months; 0,6,12 months; or 0,12,24 months), results in anti-HPV 6 and anti-HPV 11 responses 28 days post-dose 3 that are similar to those obtained when the vaccine is administered on the standard 3-dose schedule of 0,2,6 months.
  2. To describe the safety profile of the administration of Gardasil® according to each of the four schedules by assessing:

    (i) immediate reactogenicity (reactions within 30 minutes after each injection); (ii) solicited (local reactogenicity and fever) and unsolicited events occurring during the first 7 days following each vaccination; (iii) serious adverse events occurring up to one month following the last dose of vaccine; (iv) deaths or adverse events occurring at any time determined to be vaccination-related.


Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 903 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Prevention
Official Title: Comparison of the Immunogenicity and Reactogenicity of Alternative Schedules of Gardasil Vaccine to Prevent HPV Infection
Study Start Date : October 2007
Actual Primary Completion Date : January 2010
Actual Study Completion Date : January 2010

Resource links provided by the National Library of Medicine


Arm Intervention/treatment
Active Comparator: 0,2,6 month vaccination schedule Biological: Biological: quadrivalent human papillomavirus (types 6, 11, 16, 18) recombinant vaccine
Three doses of quadrivalent HPV recombinant vaccine administered at different dosing intervals in each of four study arms.

Active Comparator: 0,3,9 month vaccination schedule Biological: Biological: quadrivalent human papillomavirus (types 6, 11, 16, 18) recombinant vaccine
Three doses of quadrivalent HPV recombinant vaccine administered at different dosing intervals in each of four study arms.

Active Comparator: 0,6,12 month vaccination schedule Biological: Biological: quadrivalent human papillomavirus (types 6, 11, 16, 18) recombinant vaccine
Three doses of quadrivalent HPV recombinant vaccine administered at different dosing intervals in each of four study arms.

Active Comparator: 0,12,24 month vaccination schedule Biological: Biological: quadrivalent human papillomavirus (types 6, 11, 16, 18) recombinant vaccine
Three doses of quadrivalent HPV recombinant vaccine administered at different dosing intervals in each of four study arms.




Primary Outcome Measures :
  1. Comparison of Antibody Response to HPV Type 16 1 Month Post-dose 3 for Each Alternative Schedule Compared to the Standard Schedule. [ Time Frame: 25 months ]
  2. Comparison of Antibody Response to HPV Type 18 1 Month Post-dose 3 for Each Alternative Schedule Compared to the Standard Schedule. [ Time Frame: 25 months ]

Secondary Outcome Measures :
  1. Comparison of Antibody Response to HPV Type 6 1 Month Post-dose 3 for Each Alternative Schedule Compared to the Standard Schedule. [ Time Frame: 25 months ]
  2. Comparison of Antibody Response to HPV Type 11 1 Month Post-dose 3 for Each Alternative Schedule Compared to the Standard Schedule. [ Time Frame: 25 months ]


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Ages Eligible for Study:   11 Years to 13 Years   (Child)
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  1. 11-13 years of age.
  2. Signed informed consent form (both parent's & daughter's signature).
  3. Good health status.
  4. Able to comply with trial protocol.
  5. Plans to stay at current school for duration of study.

Exclusion Criteria:

  1. Prior HPV vaccination
  2. Pregnant or lactating or intends to become pregnant during study period.
  3. Apparent moderate or severe acute illness.
  4. Clinical history of bleeding disorder such as hemophilia, thrombocytopenia, or anticoagulant therapy.
  5. Clinical history of impaired immune responsiveness, whether due to use of immunosuppressive therapy, a genetic defect, HIV infection, or other causes.
  6. Hypersensitivity to the active substances or to any of the excipients of the HPV vaccine, or such reactions to other vaccines received in the past.
  7. Investigational drug or investigational vaccine administered during the period from 30 days before to 30 days after any dose of HPV vaccine.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00524745


Locations
Vietnam
National Institute of Hygiene and Epidemiology
Hanoi, Vietnam
Sponsors and Collaborators
PATH
National Institute of Hygiene and Epidemiology, Vietnam
Investigators
Principal Investigator: Kathy Neuzil, MD, MPH PATH

Publications of Results:
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: PATH
ClinicalTrials.gov Identifier: NCT00524745     History of Changes
Other Study ID Numbers: HPV01
First Posted: September 5, 2007    Key Record Dates
Results First Posted: September 8, 2011
Last Update Posted: April 14, 2017
Last Verified: July 2012

Keywords provided by PATH:
Gardasil
Human Papillomavirus
HPV vaccine
Cervical cancer

Additional relevant MeSH terms:
Vaccines
Immunologic Factors
Physiological Effects of Drugs