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A clinical trial to generate scientific evidence on the efficacy of a two-dose HPV vaccination regimen as compared to the current standard three-dose regimen

Effectiveness and safety of 2 versus 3 doses of HPV Vaccine in preventing cervical cancer: An Indian multi-centre randomized trial.

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2009/091/000137
Enrollment
20000
Registered
2009-08-06
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Intervention1: Quadrivalent HPV Vaccine (Gardasil, Merck): 2 doses, 0.5 ml i.m., 0 and 6 months Control Intervention1: Quadrivalent HPV Vaccine (Gardasil, Merck): 3 doses, 0.5 ml i.m., at 0,2 and 6 mo

Sponsors

WHO
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Inclusion exclusion criteria:Healthy, ambulant, unmarried girls aged 10-18 years with intact uterus, residing in the selected villagesEligible girl as well as either or both the parents/legal guardian willing to sign a written informed consentExclusion criteria:·

Exclusion criteria

Exclusion criteria: Inclusion exclusion criteria:Healthy, ambulant, unmarried girls aged 10-18 years with intact uterus, residing in the selected villagesEligible girl as well as either or both the parents/legal guardian willing to sign a written informed consentExclusion criteria:· Participant having any allergies to medications, food, or any vaccine· Participant who has experienced a serious reaction after receiving any vaccination· Participant having any health problem with asthma, heart disease, lung disease, kidney disease, metabolic disease (e.g., diabetes), epilepsy or any neurological illness, mental or physical disability or blood dyscrasia· Participant who has/had cancer, leukemia, AIDS, or any other immune system problem· Participant who has taken cortisone, prednisone, other steroids, or anticancer drugs, or had radiation treatments in the past 3 months· Participant having any prior history of genital warts or treatment for genital warts· Participant who has received a blood transfusion, any blood products, or been given a medicine called immune (gamma) globulin in the past year· Participant has undergone any surgical procedure for the removal of the uterus· Participant married or engaged to be married in the next 6 months· Participant not willing to use any effective contraception through month 7 of the study if she gets married · Participant has any plans to permanently relocate from the area prior to the completion of the study or to leave for an extended period of time when study visits would need to be scheduled?.

Design outcomes

Primary

MeasureTime frame
Generate scientific evidence on the efficacy of two-dose HPV vaccination regimen as compared to the current standard three-dose regimen; 2) Generate information on the feasibility, safety and acceptability of the two-dose HPV vaccination regimens; Timepoint: 7 months

Secondary

MeasureTime frame
3) Provide decision makers in India and other developing countries with operational, efficacy and safety data to empower them to make an appropriate, evidence-based HPV vaccination policy and to invest in its wide-scale implementation and disseminate the information on the lessons learned to inform India and other developing countries about the feasibility, effectiveness, safety and acceptability of the vaccination approaches. Timepoint: 5 years

Countries

India

Contacts

Public ContactNeerja Bhatla

All India Institute of Medical Sciences

neerjabhatla@rediffmail.com01126594991

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026