HIV
Conditions
Keywords
HIV-uninfected
Brief summary
1. Compare rates of seroconversion and GMTs generated following a 3-dose series of vaccine in women given low doses of vaccine by the ID route with the NFI (Group III) to those women given standard doses by the IM route with a needle and syringe (Group I) at 1 month, 6 months and 18 months following completion of the vaccination series. 2. Compare rates of seroconversion and GMTs generated following a 3-dose series of vaccine in women given standard doses of vaccine by the IM route with the NFI (Group II) to those women given standard doses by the IM route with a needle and syringe (Group I) at 1 month, 6 months and 18 months following completion of the vaccination series.
Detailed description
Primary hypotheses: The primary goal of this study is to compare the vaccination groups. Using GMTs to measure immunogenicity of the 3 different vaccination regimens, we will test for non-inferiority between Group I and Group II and between Group I and Group III. Our hypotheses are: 1. GMTs of antibodies to all 4 HPV types (6, 11, 16 and 18) following a 3-dose series of vaccine in women given low doses of vaccine by the ID route with the NFI (Group III) will be non-inferior to GMTs in women given standard doses by the IM route with a needle and syringe (Group I). Non-inferiority criteria will have been satisfied when the upper 95% confidence limit on the ratio of GMTs (GI/GIII) is less than 1.5 for all HPV types. 2. GMTs of antibodies to all 4 HPV types (6, 11, 16 and 18) following a 3-dose series of vaccine in women given standard doses of vaccine by the IM route with the NFI (Group II) will be non-inferior to GMTs in women given standard doses by the IM route with a needle and syringe (Group I). Non-inferiority criteria will have been satisfied when the upper 95% confidence limit on the ratio of GMTs (GI/GII) is less than 1.5 for all HPV types. 3. The proportions of baseline-naïve vaccinees seroconverting to all 4 HPV types (6, 11, 16 and 18) following a 3-dose series of vaccine in women given low doses of vaccine by the ID route (Group III) and standard doses of vaccine by the IM route (Group II) with the NFI will be non-inferior to the seroconversion rates in women given standard doses by the IM route with a needle and syringe (Group I). Non-inferiority criteria will have been satisfied when the upper 95% confidence limit on the difference in proportions is less than 10% for all HPV types.
Interventions
BIOLOGICALGINI
Sponsors
University of California, San Francisco
Thai Red Cross AIDS Research Centre
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
SINGLE (Investigator)
Eligibility
Sex/Gender
FEMALE
Age
18 Years to 26 Years
Healthy volunteers
Yes
Inclusion criteria
1. Thai national 2. Woman 3. Age 18-26 years 4. Has had no more than 5 lifetime sex partners 5. HIV-uninfected 6. Able to complete all of the protocol visits and has signed the consent form
Exclusion criteria
1\. Known contraindications to vaccination with Gardasil
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Needle-free jet injection technology | 24 months | The jet injector is based on simple, robust technology employing a spring and requiring no compressed gas, battery, or electricity to generate a liquid needle. PharmaJet has two product lines; one for intramuscular and subcutaneous (IM/SC) delivery of 0.5 mL and one for ID delivery of 0.1 mL. The IM/SC product, called Stratis, was FDA-cleared in 2011 and has a separate reset station to recharge the injector spring, while the ID product, Tropis, is in late stage product development and has the reset function integrated into the injector. Both products employ disposable, single-use, needle-free syringes and filling adapter components. To date the products have been used for routine vaccine delivery as well as in a number of clinical trials (including Inactivated Poliovirus Vaccine (IPV), HPV, and influenza). PharmaJet is working with vaccine manufacturers to co-develop custom pre-fillable syringes, e.g., a tetravalent Dengue vaccine with Inviragen.6 |
Countries
Thailand
Outcome results
None listed