Randomised controlled trial to test whether text message reminders sent to women with previous gestational diabetes helps improve testing for type 2 diabetes

impRoving testing for cardiometabolic diseases in women with previous gestational diabetes mellitus: an exemplar study on implementation and evaluation of a novel dAta-DrIven rANdomised clinical Trial platform in primary care (RADIANT)

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN13791687

Enrollment

600

Registered

2022-10-10

Start date

2026-05-01

Completion date

Unknown

Last updated

2026-06-01

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

Conditions

Testing for type 2 diabetes in women with previous gestational diabetes Nutritional, Metabolic, Endocrine

Interventions

Current interventions as of 21/05/2026: Randomisation will be done using the randomise function within Microsoft Excel. Randomisation will be stratified by practice. This randomisation process can onl

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Women with a previous diagnosis of gestational diabetes

Exclusion criteria

Exclusion criteria: 1. Previous diagnosis of type 1 or 2 diabetes 2. A test of glycaemia in the past 12 months (fasting blood glucose, glycosylated haemoglobin (HbA1c) or oral glucose tolerance test), 3. Pregnant in the past 12 months. 4. GP considers them unsuitable for the RCT on clinical or social grounds

Design outcomes

Primary

Measure	Time frame
Blood test for type 2 diabetes (glycosylated haemoglobin (HbA1c), fasting blood glucose or a 2-hour oral glucose tolerance test) in their primary care records 3 months after randomisation	—

Secondary

Measure	Time frame
Measurement of blood pressure, body mass index or blood lipids (total, LDL and HDL cholesterol) in primary care records 3 months after randomisation	—

Countries

England, Northern Ireland, Scotland, United Kingdom, Wales

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Jun 11, 2026