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SOURCE-LINKED STUDY SUMMARY

Efficacy and safety of LY3298176, a novel dual GIP and GLP-1 receptor agonist, in patients with type 2 diabetes: a randomised, placebo-controlled and active comparator-controlled phase 2 trial.

Lancet (London, England) ·

Human

Abstract summarizedQuality not appraised
What was studied
Double-blind phase 2 trial comparing weekly LY3298176, now known as tirzepatide, at four doses with dulaglutide or placebo.
Who / model studied
The study randomized 318 adults with inadequately controlled type 2 diabetes; 316 received treatment, and 258 completed 26 weeks of treatment.
Studied dose & schedule
Dose and schedule have not yet been extracted for this summary.
What the study found
HbA1c reductions were dose-dependent, reaching -1·94% with 15 mg versus -0·06% with placebo and -1·21% with dulaglutide. Weight change ranged from -0·9 kg to -11·3 kg. Gastrointestinal events increased with dose; no severe hypoglycaemia was reported.
Limitations & context
This 26-week phase 2 trial had incomplete treatment completion and was funded by Eli Lilly. It does not establish longer-term effectiveness or safety.

Read summary source ↗ · Prepared 9/22/2026 · AI-assisted, source-based summary

Review record & corrections

Summary prepared: . Source scope: abstract. This is an AI-assisted source summary, not an independent clinician sign-off.

No public field-by-field revision history is available for this card yet. The date above is the summary date, not proof that every field was updated then.

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Research findings apply to the population and conditions studied. This educational summary is not a treatment recommendation or a formal assessment of study quality.

Original publication ↗ · DOI: 10.1016/s0140-6736(18)32260-8

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