Trial reportObesity (Silver Spring, Md.)2026
Psychiatric Safety of Tirzepatide in People With Obesity and No Known Major Psychopathology: A Post Hoc Analysis of SURMOUNT.
Trial report in Obesity (Silver Spring, Md.), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It reports registered trial NCT04184622. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Efficacy and Safety of Tirzepatide Once Weekly in Participants Without Type 2 Diabetes Who Have Obesity or Are Overweight With Weight- Related Comorbidities: A Randomized, Double-Blind, Placebo-Controlled Trial (SURMOUNT-1)
Open the trial in the graphEfficacy and Safety of Tirzepatide Once Weekly in Participants With Type 2 Diabetes Who Have Obesity or Are Overweight: A Randomized, Double-Blind, Placebo-Controlled Trial (SURMOUNT-2)
Open the trial in the graphEfficacy and Safety of Tirzepatide Once Weekly Versus Placebo After an Intensive Lifestyle Program in Participants Without Type 2 Diabetes Who Have Obesity or Are Overweight With Weight-Related Comorbidities: A Randomized, Double Blind, Placebo-Controlled Trial (SURMOUNT-3)
Open the trial in the graphWho cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
objectiveThis post hoc analysis assessed psychiatric changes with tirzepatide in adults with obesity, without known major psychopathology, from SURMOUNT-1, SURMOUNT-2, and SURMOUNT-3.
methodsIn participants (N = 4056) treated with tirzepatide (5/10/15 mg or maximum tolerated dose 10/15 mg) versus placebo, depressive symptoms and suicidal ideation and behavior (SI/SB) were measured using the Patient Health Questionnaire-9 (PHQ-9) and Columbia-Suicide Severity Rating Scale (C-SSRS), respectively. Nervous system and psychiatric disorder adverse events (AEs) were collected.
resultsMean (SD) baseline PHQ-9 scores were 2.7 (3.0) for tirzepatide and 2.6 (3.1) for placebo, indicating no/minimal symptoms of depression. At week 72, scores were 1.9 (2.7) and 2.4 (3.3), respectively (estimated treatment difference [SE]: -0.6 [0.1]); p < 0.001. Tirzepatide-treated participants were less likely to shift to a more severe PHQ-9 category (18.2% vs. 24.3%; p < 0.001). Using the C-SSRS, 0.6% of participants in each group reported SI, most of which was considered low risk. SB (nonfatal) occurred in 0.1% of tirzepatide-treated participants versus none with placebo. AEs were generally similar across groups.
conclusionsIn this post hoc analysis, tirzepatide versus placebo did not appear to be associated with an increased risk of depression in participants with overweight/obesity and without known major psychopathology. Rates of SI/SB observed with tirzepatide were similar to those of other incretin-based therapies. Further study of tirzepatide's safety in persons with significant psychiatric illness may be warranted.
trial registrationClinicalTrials.gov identifiers: NCT04184622, NCT04657003, and NCT04657016.
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