Effectiveness of lifestyle modification in prediabetes remission among women with isolated impaired fasting glucose: A community-based, randomised controlled trial in India

  • Elezebeth Mathews (Lead / Corresponding author)
  • , Thakarakkattil Narayanan Nair Anand
  • , Anjaly Joseph
  • , Bhagiaswari Kodapally
  • , Rajendra Pilankatta
  • , K. M.Venkat Narayan
  • , Brian Oldenburg
  • , Kavumpurathu Raman Thankappan

Research output: Contribution to journalArticlepeer-review

Abstract

Aims: We evaluated the effectiveness of a lifestyle modification (LSM) intervention in prediabetes remission among women with isolated impaired fasting glucose (i-IFG). Methods: We conducted a community-based, parallel-group, open-label, randomised controlled trial in Kerala, India. Women aged 30–60 years with i-IFG were randomly assigned (1:1) to receive either a 12-month LSM program or standard care (diabetes information booklet). Randomization was computer-generated with allocation concealed until assignment. The primary outcome was prediabetes remission based on oral glucose tolerance testing at 12 months. Secondary outcomes included progression to type 2 diabetes and changes in glycaemic markers, anthropometric measures, body composition, and blood pressure. Analyses followed the intention-to-treat approach. Results: Of 1092 participants randomised, 1080 (98.9 %) completed the 12-month follow-up. Prediabetes remission was significantly higher in the LSM group than in controls (45.9 % vs 6.3 %; RR 7.04, 95 % CI 5.12–10.06). LSM also produced greater improvements in fasting plasma glucose (–5.2 mg/dL), HbA1c (–0.09 %), HOMA2-IR (log) (–0.38), weight (–3.7 kg), waist circumference (–1.4 cm), fat mass (–2.9 kg), and fat-free mass (+0.86 kg). The number needed to treat for prediabetes remission was 2.8 (1.8–4.0). Conclusion: A structured LSM intervention effectively promotes prediabetes remission in women with i-IFG and improves cardio metabolic health.

Original languageEnglish
Article number113106
JournalDiabetes Research and Clinical Practice
Volume232
Early online date13 Jan 2026
DOIs
Publication statusPublished - Feb 2026

Keywords

  • Isolated impaired fasting glucose
  • Lifestyle intervention
  • Prediabetes remission
  • Women

ASJC Scopus subject areas

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

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