PEDEvidence

SOURCE-LINKED STUDY SUMMARY

Efficacy and safety of a novel dual GIP and GLP-1 receptor agonist tirzepatide in patients with type 2 diabetes (SURPASS-1): a double-blind, randomised, phase 3 trial.

Lancet (London, England) ·

Human

Abstract summarized · Quality not appraised
Studied
A double-blind randomized phase 3 trial compared once-weekly tirzepatide at three doses with placebo as monotherapy in adults with type 2 diabetes.
Who / model
Adults with type 2 diabetes inadequately controlled by diet and exercise, who had not used injectable diabetes therapy, were studied.
Studied dose & schedule
Dose and schedule have not yet been extracted for this summary.
Found
All tirzepatide doses improved HbA1c, fasting glucose, body weight, and target attainment versus placebo. Gastrointestinal events were the most frequent adverse events.
Limits
Treatment discontinuations and early study discontinuations occurred during the trial.

Read summary source ↗ · Prepared 9/16/2026 · AI-assisted, source-based summary

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(21)01324-6

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