Roche's incretin GLP‑1/GIP shot shows promise in mid‑stage trial for type 1 diabetes

Roche is developing CT-868, a dual GLP‑1/GIP receptor agonist, in a mid‑stage (Phase 2) trial for overweight or obese adults with type 1 diabetes (T1D).\nInterim data and slide‑deck summaries indicate that CT‑868 improved glycemic control in this group, with a substantial reduction in HbA1c compared with placebo and a high proportion of participants reaching an HbA1c ≤6.5%.\nThe trial tests CT‑868 as an adjunct to standard insulin therapy and is expected to complete data read‑out in 2025; Roche has flagged first‑in‑class potential for an incretin‑based add‑on in T1D.\nCT‑868 is also being studied for obesity and is distinct from Roche’s other incretin candidates (CT‑388, CT‑996, petrelintide) that are focused on obesity and type 2 diabetes.

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PowerPoint Presentation

Incretin-based Therapy in Early Diagnosed Type 1 Diabetes