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Impact of Artificial Intelligence Short Message Service and Voice Call Interventions on Influenza Vaccine Uptake Among Older Adults in Shenzhen: A Two-Stage Randomized Controlled Trial

Impact of Artificial Intelligence Short Message Service and Voice Call Interventions on Influenza Vaccine Uptake Among Older Adults in Shenzhen: A Two-Stage Randomized Controlled Trial

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500115446
Enrollment
Unknown
Registered
2025-12-26
Start date
2026-01-01
Completion date
Unknown
Last updated
2026-01-05

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

Conditions

Influenza

Interventions

Phase 1 - Intervention group: Artificial Intelligence Short Message Service
Phase 1 - Control group:routine services without any additional intervention
Phase 2 - Intervention group 1: Artificial Intelligence Voice Call
Phase 2 - Intervention group 2: Artificial Intelligence Short Message Service
Phase 2 - Control group:routine services without any additional intervention

Sponsors

Shenzhen Center for Disease Control and Prevention
Lead Sponsor

Eligibility

Sex/Gender
All
Age
65 Years to 100 Years

Inclusion criteria

Inclusion criteria: 1. Permanent residents of Shenzhen; 2. Aged >=65 years; 3. No record of influenza vaccination between April 1, 2025, and January 4, 2026, according to the Shenzhen Immunization Program Information System.

Exclusion criteria

Exclusion criteria: 1. Residents served by community health centers implementing other influenza vaccination interventions, specifically those within the service catchment areas of the 36 pilot community health centers where general practitioners are authorized to issue vaccine prescriptions; 2. Individuals with contraindications to influenza vaccination; 3. Individuals who cannot be contacted via telephone or short message service (e.g., incorrect numbers, suspended service, or unreachable lines); 4. Individuals who died during the study period.

Design outcomes

Primary

MeasureTime frame
Influenza vaccination uptake for participants;

Countries

China

Contacts

Public ContactLiu Gang

Shenzhen Center for Disease Control and Prevention

sliugang@163.com+86 135 0158 0055

Outcome results

None listed

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