- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03832049
HPV Vaccination in Africa- New Delivery Schedules Alias The HANDS HPV Vaccine Trial (HPV)
A Randomized, Observer-blind, Non-inferiority Trial to Evaluate Alternative Human Papillomavirus (HPV) Vaccination Schedules in Females in West Africa
Study Overview
Status
Conditions
Detailed Description
This study is a randomized, open-label, single-centre, phase 3 non-inferiority clinical trial of the Gardasil 9 vaccine. It will be undertaken in three female cohorts (15 to 26 years old; 9 to 14 years-olds and 4 to 8 year-olds). In total 1720 female participants will be recruited in a rural setting in The Gambia, West Africa.
The Gardasil 9 vaccine is a recombinant L 1 VLP vaccine containing HPV types 6, 11,16,18,31,33,45,52 and 58 VLP. It is licensed by both European Medicines Agency and the US Food and Drug Administration as a two or three dose schedule to 9 to 14 year olds and as a three dose schedule to 15 to 26 years olds. The license covers both males and females. The vaccine is not currently licensed for those under 9 years of age and it is not licenced in The Gambia.
All females within the 15 to 26 year-old cohort will receive three doses of Gardasil 9 at 0, 2 and 6 months and represent the reference group for the purposes of the serological non-inferiority analysis. This is the only group for which efficacy data for the vaccine are available. Females in the 9 to 14 year old and 4 to 8 year old cohorts will be randomized to receive either one or two doses of Gardasil 9. In both groups, the two doses will be administered at 0 and 6 months.
The primary and secondary immunogenicity objectives will be analysed based on serological Samples taken 4 to 6 weeks after the last dose of vaccine received according to group. Additional analysis will be undertaken at 12, 24 and 36 months. The Sampling schedule is aligned with the schedule in other immunogenicity trials to facilitate comparison and potential immunobridging to future one-dose efficacy data. In addition, the stability of the antibody concentrations between 12 and 24 and again between 24 and 36 months according to schedule and age-group aims to allow longer term predictions regarding the maintenance of antibody concentration to be made.
A Sub-study will be undertaken within the main trial to compare in detail early immunological events taking place following Gardasil 9. The quantitative and qualitative changes in these events following a first and following subsequent doses of the vaccine and also according to age will be assessed and related to the early and long-term antibody concentrations induced by the vaccine. There are currently no data exploring the basis for the progressive increase in the immunogenicity of the HPV vaccines apparent with decreasing age. These may have their origins in the early innate response following vaccination-which will be assessed at a cellular as well as transcriptomic level, as well as in the subsequent adaptive profile.
Similarly, the cellular basis for the sustained seropositivity induced by the HPV vaccines even apparent following a single vaccine dose is little understood. The window onto which plasmablasts and memory B-cell populations in the circulation is transient following vaccination. However, enumerating and characterizing these populations and relating them in the same way to early and long term antibody concentration aims to provide insight into the relative roles of these populations and how they are influenced by the age of the vaccine and the number of vaccine doses received.
Individuals in the sub-study will contribute serological data to the main trial and will be followed up in the same way but will be consented for one additional blood sample after each vaccination. Up to 120 participant in each group in the main trial will be randomized to groups A, B or C, with 40 participants in each of these groups. This number aims to generate a dataset of at least 30 analyzable individuals per schedule and age group.
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
-
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Outside U.S. And Canada
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Banjul, Outside U.S. And Canada, Gambia, PO Box 273
- Ed Clarke
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Signed/thumb-printed informed consent obtained from the participant's parent (4 to 17 year-olds) or signed/thumb-printed informed consent obtained from the participant (18 years and above)
- Signed/thumb-printed assent obtained from the participant (12 to 17 year-olds only).
- Documented verbal assent obtained from the participant (6 to 11 year-olds only)
- Participant is of female sex (based on participant/parent self-report)
- Participant is between 4 and 26 years of age inclusive
- Parent/participant is willing and judged able to comply with the necessary study procedures
- Parent/participant does not have established plans to leave the study area for a prolonged period/indefinitely during the 3 year follow-up period
- Participant is resident within the study area (no fixed boundaries will be set and decisions will be made on a case-by-case basis by the study team taking into account not only distance but also transport links, accessibility for the purposes of safety data collection, willingness of the parent/participant to travel)
- Place of residence of the participant must be readily identifiable
Exclusion Criteria:
- Receipt of other investigational medicinal products (IMP) in a period of 12 months prior to the day of randomization and vaccination or plans to receive IMP during the trial.
- Presence of significant chronic health problems requiring long-term medication or medical follow-up including respiratory, cardiac, gastrointestinal, hepatic, renal, neurological, musculoskeletal, haematological or other conditions based on parental history and physical examination of the participant. Participants with known sickle cell disease (but not sickle cell trait) will be excluded.
- History of severe allergic reactions to any prior vaccine or to any component of the study vaccine (including alum (amorphous aluminum hydroxyphosphate sulphate), yeast or Benzonase). Severe allergic reactions are defined as reactions requiring urgent medical intervention including reactions with any degree of cardiorespiratory compromise. The occurrence of a mild rash without other associated symptoms or signs does not generally represent an exclusion. Allergic reactions should be distinguished from the local and systemic reactogenicity expected in the first few days following vaccination which is not an exclusion to vaccination
- Prior receipt of an HPV vaccine
- Receipt of any vaccine in the 28 days prior to randomization and vaccination‡
- History of thrombocytopenia or coagulation disorders which represent contraindications in intramuscular (IM) vaccination
- Known congenital or acquired immune deficiency or history strongly indicative of abnormal immune function. HIV testing will not be undertaken as part of the routine screening procedures due to the relatively low prevalence of HIV expected in the population (~1-3%) and the established safety and immunogenicity profile of Gardasil in HIV positive individuals.
- Receipt of medications or other treatments known to suppress the immune system in a period of 12 months prior to the day of randomization or plans to receive such medications and treatments during the course of the trial. Such medications and treatments include but not limited to high dose non-replacement) oral or parenteral steroids for more than 14 days, chemotherapeutic agents, methotrexate, cyclophosphamide, cyclosporin, Tacrolimus, any monoclonal antibody therapy and radiotherapy. The use of topical and inhaled steroids are not exclusion criteria.
- Receipt of intravenous immunoglobulins or blood products within a period of 12 months prior to the day of randomization and vaccination or plans to receive such products during the course of the trial.
- Pregnancy (females in the 15 to 26 years old cohort will require a urine pregnancy test as part of the screening procedures and will also have a urine pregnancy test undertaken prior to the second and third vaccination and vaccination delayed if pregnancy is confirmed. A minimum of 42 days from the end of pregnancy (irrespective of outcome) will be left before the delayed vaccination is administered. Participants who are pregnant at initial screening will not be re-screened but will be defined as screen failures. Breast feeding is not an exclusion criterion
- Intention to become pregnant within six months of enrollment in the trial. Confirmation regarding the use of a reliable method of contraception is not required but females who are actively seeking to become pregnant within six months of enrollment will be excluded.
- Fever (>38.0°C) on the day of vaccination or documented fever (>38.0°C) within the 24 hours preceding vaccination
- Abnormal (Grade > 1) vital signs (heart rate, respiratory rate, blood pressure) on the day of vaccination
- Positive rapid diagnostic test (RDT) or blood film for malaria on the day of vaccination
- Clinically-significant (Grade > 2) acute illness present on the day of vaccination (minor illnesses including upper respiratory tract infections, diarrhoeal illness and skin complaints not associated with fever or significant systemic upset are not in themselves reasons for exclusion)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: 15 to 26 years - 3 dose
9-valent human papillomavirus vaccine (Gardasil 9) - 3 doses
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0.5mL intramuscular dose - 3 doses (0, 2 and 6 months)
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Experimental: 9 to 14 years - 2 dose
9-valent human papillomavirus vaccine (Gardasil 9) - 2 doses
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0.5mL intramuscular dose - 2 doses (0 and 6 months)
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Experimental: 4 to 8 years - 2 dose
9-valent human papillomavirus vaccine (Gardasil 9) - 2 doses
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0.5mL intramuscular dose - 2 doses (0 and 6 months)
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Experimental: 9 to 14 years - 1 dose
9-valent human papillomavirus vaccine (Gardasil 9) - 1 dose
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0.5mL intramuscular dose - 1 doses (0 months)
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Experimental: 4 to 8 years - 1 dose
9-valent human papillomavirus vaccine (Gardasil 9) - 1 dose
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0.5mL intramuscular dose - 1 doses (0 months)
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Antibodies measured by 9-valent HPV competitive Luminex immunoassay (cLIA) (mMU/mL)
Time Frame: 4 weeks after last vaccine dose
|
HPV types, 6, 11, 16, 18, 31, 33, 45, 52 and 58
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4 weeks after last vaccine dose
|
Acute allergic reaction (Grade 0 - 4)
Time Frame: Day of vaccination (day 0)
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Solicited systemic reactogenicity recorded in 4 to 8 year olds and 9 to 14 year olds
|
Day of vaccination (day 0)
|
Injection site pain (Grade 0 - 4)
Time Frame: Days 0 to 6 after vaccination
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Solicited local reactogenicity recorded in 4 to 8 year olds and 9 to 14 year olds
|
Days 0 to 6 after vaccination
|
Injection site redness (Grade 0 - 4)
Time Frame: Days 0 to 6 after vaccination
|
Solicited local reactogenicity recorded in 4 to 8 year olds and 9 to 14 year olds
|
Days 0 to 6 after vaccination
|
Injection site swelling (Grade 0 - 4)
Time Frame: Days 0 to 6 after vaccination
|
Solicited local reactogenicity recorded in 4 to 8 year olds and 9 to 14 year olds
|
Days 0 to 6 after vaccination
|
Injection site pruritus (Grade 0 - 4)
Time Frame: Days 0 to 6 after vaccination
|
Solicited local reactogenicity recorded in 4 to 8 year olds and 9 to 14 year olds
|
Days 0 to 6 after vaccination
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Temperature in degrees Centigrade
Time Frame: Days 0 to 6 after vaccination
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Recorded in 4 to 8 year olds and 9 to 14 year olds
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Days 0 to 6 after vaccination
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Nausea/vomiting (Grade 0 - 4)
Time Frame: Days 0 to 6 after vaccination
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Solicited systemic reactogenicity recorded in 4 to 8 year olds and 9 to 14 year olds
|
Days 0 to 6 after vaccination
|
Headaches (Grade 0 - 4)
Time Frame: Days 0 to 6 after vaccination
|
Solicited systemic reactogenicity recorded in 4 to 8 year olds and 9 to 14 year olds
|
Days 0 to 6 after vaccination
|
Dizziness (Grade 0 - 4)
Time Frame: Days 0 to 6 after vaccination
|
Solicited systemic reactogenicity recorded in 4 to 8 year olds and 9 to 14 year olds
|
Days 0 to 6 after vaccination
|
Fatigue (Grade 0 - 4)
Time Frame: Days 0 to 6 after vaccination
|
Solicited systemic reactogenicity recorded in 4 to 8 year olds and 9 to 14 year olds
|
Days 0 to 6 after vaccination
|
Myalgia/arthralgia (Grade 0 - 4)
Time Frame: Days 0 to 6 after vaccination
|
Solicited systemic reactogenicity recorded in 4 to 8 year olds and 9 to 14 year olds
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Days 0 to 6 after vaccination
|
Unsolicited adverse event (AE) including serious adverse events
Time Frame: Day 0 to day 28 following each vaccination
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Unsolicited AE will be recorded in 4 to 8 years olds and 9 to 14 year olds
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Day 0 to day 28 following each vaccination
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Suspected unexpected serious adverse reactions (SUSAR)
Time Frame: Day 0 to month 36
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SUSAR will be collected from all participants
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Day 0 to month 36
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Antibodies measured by 9-valent HPV cLIA (mMU/mL)
Time Frame: 12 months after first vaccination
|
HPV types, 6, 11, 16, 18, 31, 33, 45, 52 and 58
|
12 months after first vaccination
|
Antibodies measured by 9-valent HPV cLIA (mMU/mL)
Time Frame: 24 months after first vaccination
|
HPV types, 6, 11, 16, 18, 31, 33, 45, 52 and 58
|
24 months after first vaccination
|
Antibodies measured by 9-valent HPV cLIA (mMU/mL)
Time Frame: 36 months after first vaccination
|
HPV types, 6, 11, 16, 18, 31, 33, 45, 52 and 58
|
36 months after first vaccination
|
Antibodies measure by 9-valent HPV total IgG (TIgG)
Time Frame: 4 weeks after last vaccine dose
|
HPV types, 6, 11, 16, 18, 31, 33, 45, 52 and 58
|
4 weeks after last vaccine dose
|
Antibodies measure by 9-valent HPV TIgG
Time Frame: 12 months after first vaccination
|
HPV types, 6, 11, 16, 18, 31, 33, 45, 52 and 58
|
12 months after first vaccination
|
Antibodies measure by 9-valent HPV TIgG
Time Frame: 24 months after first vaccination
|
HPV types, 6, 11, 16, 18, 31, 33, 45, 52 and 58
|
24 months after first vaccination
|
Antibodies measure by 9-valent HPV TIgG
Time Frame: 36 months after first vaccination
|
HPV types, 6, 11, 16, 18, 31, 33, 45, 52 and 58
|
36 months after first vaccination
|
Collaborators and Investigators
Investigators
- Principal Investigator: Ed Clarke, MB ChB PhD, Medical Research Council @ LSHTM
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- SCC 1597
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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