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Dose Schedule StudyNCT00524745

Immunogenicity and Reactogenicity of Alternative Schedules of Gardasil

A study testing Biological: quadrivalent human papillomavirus (types 6, 11, 16, 18) recombinant vaccine in people with Dose Schedule Study, run by PATH at 1 site in Vietnam.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial 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… Read more about this study

Who is it for?
Ages 11 to 13 years, women onlyHealthy volunteers can take part
Conditions the study is for
Dose Schedule Study
What is being tested?
Biological: quadrivalent human papillomavirus (types 6, 11, 16, 18) recombinant vaccine
Type of treatment
Vaccines
Could I receive a placebo?
No, everyone receives an active treatment
How many people
903 participants
Where
1 siteVietnam
Study dates
Oct 2007to Jan 2010
Phase
Interventional
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 11 to 13 years
  • Women only
  • Healthy volunteers accepted
  • Child

Who may be able to join

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

Who cannot join

  • Prior HPV vaccination
  • Pregnant or lactating or intends to become pregnant during study period.
  • Apparent moderate or severe acute illness.
  • Clinical history of bleeding disorder such as hemophilia, thrombocytopenia, or anticoagulant therapy.
  • Clinical history of impaired immune responsiveness, whether due to use of immunosuppressive therapy, a genetic defect, HIV infection, or other causes.
  • 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.
  • Investigational drug or investigational vaccine administered during the period from 30 days before to 30 days after any dose of HPV vaccine.

Trial locations and contacts

1 site in 1 country.

Vietnam1 site
  • National Institute of Hygiene and Epidemiology

    Hanoi

Other trials in Vietnam

About this study

Official title: Comparison of the Immunogenicity and Reactogenicity of Alternative Schedules of Gardasil Vaccine to Prevent HPV Infection

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.

Read the 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.
Being tested
Biological: quadrivalent human papillomavirus (types 6, 11, 16, 18) recombinant vaccine
Keywords
Gardasil, Human Papillomavirus, HPV vaccine, Cervical cancer
Medical subject headings
Uterine Cervical Neoplasms

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Biological: quadrivalent human papillomavirus (types 6, 11, 16, 18) recombinant vaccineBiological

    Three doses of quadrivalent HPV recombinant vaccine administered at different dosing intervals in each of four study arms.

Study groups in NCT00524745
Study groupRoleWhat they receive
0,2,6 month vaccination scheduleActive comparatorNot described
Receives: Biological: Biological: quadrivalent human papillomavirus (types 6, 11, 16, 18) recombinant vaccine
0,3,9 month vaccination scheduleActive comparatorNot described
Receives: Biological: Biological: quadrivalent human papillomavirus (types 6, 11, 16, 18) recombinant vaccine
0,6,12 month vaccination scheduleActive comparatorNot described
Receives: Biological: Biological: quadrivalent human papillomavirus (types 6, 11, 16, 18) recombinant vaccine
0,12,24 month vaccination scheduleActive comparatorNot described
Receives: Biological: Biological: quadrivalent human papillomavirus (types 6, 11, 16, 18) recombinant vaccine

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Comparison of Antibody Response to HPV Type 16 1 Month Post-dose 3 for Each Alternative Schedule Compared to the Standard Schedule.

    Measured: 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.

    Measured: 25 months

Secondary outcomes (2)
  1. Comparison of Antibody Response to HPV Type 6 1 Month Post-dose 3 for Each Alternative Schedule Compared to the Standard Schedule.

    Measured: 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.

    Measured: 25 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted5 Sep 2007 (estimated)
  2. Study startOct 2007
  3. Primary completionJan 2010
  4. Study completionJan 2010

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
903 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00524745
Sponsor's protocol ID
HPV01
Status last verified
Jul 2012
First submitted
31 Aug 2007
Last updated
14 Apr 2017
Data monitoring committee
No

Publications

  • Neuzil KM, Canh DG, Thiem VD, Janmohamed A, Huong VM, Tang Y, Diep NT, Tsu V, LaMontagne DS. Immunogenicity and reactogenicity of alternative schedules of HPV vaccine in Vietnam: a cluster randomized noninferiority trial. JAMA. 2011 Apr 13;305(14):1424-31. doi: 10.1001/jama.2011.407.

    PubMed 21486975
  • Widdice LE, Unger ER, Panicker G, Hoagland R, Callahan ST, Jackson LA, Berry AA, Kotloff K, Frey SE, Harrison CJ, Pahud BA, Edwards KM, Mulligan MJ, Sudman J, Bernstein DI. Antibody responses among adolescent females receiving two or three quadrivalent human papillomavirus vaccine doses at standard and prolonged intervals. Vaccine. 2018 Feb 1;36(6):881-889. doi: 10.1016/j.vaccine.2017.12.042. Epub 2018 Jan 3.

    PubMed 29306506
  • Lamontagne DS, Thiem VD, Huong VM, Tang Y, Neuzil KM. Immunogenicity of quadrivalent HPV vaccine among girls 11 to 13 Years of age vaccinated using alternative dosing schedules: results 29 to 32 months after third dose. J Infect Dis. 2013 Oct 15;208(8):1325-34. doi: 10.1093/infdis/jit363. Epub 2013 Jul 30.

    PubMed 23901077

Questions about this trial

What is this clinical trial studying?

A study testing Biological: quadrivalent human papillomavirus (types 6, 11, 16, 18) recombinant vaccine in people with Dose Schedule Study, run by PATH at 1 site in Vietnam.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 7 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 14 Apr 2017. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Vietnam. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Yes. Results are posted in the registry (first posted 8 Sep 2011). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

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). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00524745, which also lists 3 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 14 Apr 2017.

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