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A study to see whether WhatsApp messages supporting healthy lifestyle changes can help prevent diabetes among adults at high risk for diabetes in Indian cities

Effectiveness of a digital diabetes prevention initiative in Indian cities: Hybrid type 2 pragmatic cluster-RCT using mHealth (ICMR-DPCI) - ICMR-DPCI

Status
Active, not recruiting
Phases
Phase 2Phase 3
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2026/03/107141
Enrollment
3532
Registered
2026-03-30
Start date
Unknown
Completion date
Unknown
Last updated
2026-04-27

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

Conditions

Health Condition 1: R730- Abnormal glucose

Interventions

Intervention1: ICMR-DPCI: The ICMR-DPCI intervention is a fully automated, WhatsApp-based self-management support programme for diabetes prevention. After enrolment, participants receive approximately

Sponsors

Indian Council of Medical Research (ICMR)
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: - Permanent residents of the selected zone - Indian Diabetes Risk Score (IDRS) greater than 60 and-or Community Based Assessment Checklist (CBAC) score greater than 4 - Individuals with prediabetes with HbA1c from 5.7 to 6.4 - Willingness to provide informed consent - Ownership of smartphone with internet access or we will include those who can reliably access a smartphone via a family member for the intervention period. - Willing and able to answer calls and read multimedia messages in Tamil, Hindi, or English as part of the study.

Exclusion criteria

Exclusion criteria: - Patients with type 1 diabetes mellitus and type 2 diabetes mellitus (self-reported) for prediabetes (objective) - Patients with learning difficulties or vision and/or hearing impairments without a caregiver, making it impossible to use a mobile phone - Malignancy or life-threatening disease with death probable in 4 years - Inability or unwillingness of individual or legal guardian to give written informed consent - Pregnant women

Design outcomes

Primary

MeasureTime frame
The primary outcome is the progression to diabetes which is defined as HbA1c greater than or equal to 6.5 percent at any follow up visit or in another care setting with American Diabetes Association (ADA) criteria for diagnosis of diabetes. Timepoint: Baseline, 6 months and 1 year

Secondary

MeasureTime frame
Secondary outcomes include the proportion of participants achieving HbA1c less than or equal to 6.4 percent, blood pressure, blood lipids, body weight, dietary intake, physical activity, acceptability of intervention and sedentary behaviour measured using valid and reliable self-report questionnaires.Timepoint: Baseline and follow up at 12 months.

Countries

India

Contacts

Public ContactDr Joshua Chadwick

ICMR-National Institute of Epidemiology, Chennai

joshuachadwick89@gmail.com09176270955

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: May 1, 2026