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Pay-it-forward to improve HPV vaccine uptake compared to user-paid vaccination among 15-18-year-old adolescent girls in China: A population-based 4-arm randomized controlled trial

Pay-it-forward to improve HPV vaccine uptake compared to user-paid vaccination among 15-18-year-old adolescent girls in China: A population-based 4-arm randomized controlled trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2400086539
Enrollment
Unknown
Registered
2024-07-04
Start date
2024-09-18
Completion date
Unknown
Last updated
2024-09-30

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

Conditions

Cervical cancer

Interventions

"Pay-it-forward" group:1. Essential social-educational information regarding HPV vaccines and 2. a subsidized vaccine. 3. After receiving her initial shot, she will also have the option to further
"Social-educational postcards nudge" group:1. Essential social-educational information about HPV vaccines and 2. a postcard with handwritten affectionate messages and social care. 3. After receiving
"Subsidy only" group:1. Receive only a subsidized vaccine. 2. After receiving her initial shot, she will also have the opportunity to voluntarily contribute by making monetary donations to support oth
"Standard-of-care" group:1. Participants in this arm will be informed of the opportunity to receive HPV vaccination at market price, with no other interventions. 2. all participants will receive the h

Sponsors

West China School of Public Health, Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
15 Years to 18 Years

Inclusion criteria

Inclusion criteria: ?Aged between 15 and 18 years old. ?Attending a high school within the research site's jurisdiction. ?Has never received any HPV vaccines.

Exclusion criteria

Exclusion criteria: ?Contraindications to vaccination. ?History of allergic reactions to previous vaccinations. ?Diagnosis by a clinical physician of other conditions unsuitable for vaccination. ?Unable to sign the informed consent form themselves (if over 18 years old) or by a legal guardian (if under 18 years old

Design outcomes

Primary

MeasureTime frame
First-dose HPV vaccine uptake;

Secondary

MeasureTime frame
Vaccine confidence;Economic evaluation;Donation Rate/Amount in the 'Pay-It-Forward' Group and Subsidy Group.;Community engagement;

Countries

China

Contacts

Public ContactLi Jing

West China School of Public Health, Sichuan University

lijingwcph@scu.edu.cn+86 132 4022 5540

Outcome results

None listed

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