Diabetes, Obesity & Metabolism

Orforglipron linked to lower blood pressure across groups

Analyses of two randomized trials found broadly consistent reductions in the top blood pressure number among adults with obesity or overweight at 72 weeks.

Paper by Arian Plat, Ellen B. Dennehy, Irina Jouravskaya, +6 more authorsBruno Linetzky · Eli Lilly and Company Indianapolis Indiana USA
Arteries with open cross-sections sit beside upright groups of people, with slimmer figures near the dark blue-green vessel and fuller figures near gray.
Studied:
Randomized trial in people (72 weeks, placebo-controlled)
In the record:
The 33rd paper on orforglipron with results in people; 80 on record in all.

Editor of record: Boris Djordjevic · AgingResearch.News

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Adults with obesity or overweight, with or without type 2 diabetes, received orforglipron or placebo in two randomized trials. These post hoc analyses—additional analyses of the trial data—pooled the drug doses and examined blood pressure at 72 weeks.

Reductions in systolic blood pressure, the top number in a blood pressure reading, were broadly consistent across groups defined by starting characteristics. An exploratory analysis suggested that weight loss accounted for an estimated 58.3% of this reduction in ATTAIN-1, which excluded type 2 diabetes, and 80.8% in ATTAIN-2, which included it. Low-blood-pressure-related adverse events were uncommon but more frequent with orforglipron than placebo. Most were mild to moderate.

Why it matters

Blood-pressure management is relevant to healthy aging. Understanding its relationship with weight loss may help clarify what obesity therapies change beyond body weight.

Caveats

The post hoc analyses left possible blood-pressure effects independent of weight loss unresolved. The findings concern adults with obesity or overweight and do not establish effects in people outside those weight categories.

Where the evidence stands

Orforglipron

Humans: replicated by independent labs. Mice: a single group. Cells and worms or flies: nothing yet.
  • 21 independent labs in 9 countries
  • 1 finding against
  • 36 trials, 1 with no results posted
  • Funder: Eli Lilly and Company
  • 35 of 82 findings with company ties
  • 35 of 36 trials sponsored by its developers

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The paper

Association Between Orforglipron and Blood Pressure in Adults With Obesity With or Without Type 2 Diabetes: Post Hoc Analyses From ATTAIN‐1 and ATTAIN‐2 Trials

Arian Plat, Ellen B. Dennehy, Irina Jouravskaya, +6 more authorsBruno Linetzky

Eli Lilly and Company Indianapolis Indiana USA

Diabetes, Obesity & Metabolism, Nov 10, 2026

doi.org/10.1111/dom.71543