Trial reportJournal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine2026
Association of tirzepatide with changes in OSA-related measures based on baseline characteristics - post hoc analyses of SURMOUNT-OSA.
Trial report in Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It reports registered trial NCT05412004. Not yet cited in PubMed.
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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.
A Master Protocol to Investigate the Efficacy and Safety of Tirzepatide Once Weekly in Participants Who Have Obstructive Sleep Apnea and Obesity: A Randomized, Double-Blind, Placebo-Controlled Trial
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13 authors.
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Abstract
purposeObstructive sleep apnea (OSA) is a common disorder characterized by repetitive collapse of the upper airway during sleep. Given that excess adiposity is a known risk factor for OSA, we aimed to descriptively assess the association of tirzepatide, a GIP/GLP-1 receptor agonist, with changes in AHI, hypoxic burden, body weight, and blood pressure in different patient populations based on baseline characteristics such as age, sex, BMI, AHI, and neck circumference.
methodsThese post hoc analyses examined data from two Phase 3 randomized, double-blind studies evaluating maximum tolerated dose (MTD) tirzepatide (10 mg or 15 mg) compared with placebo in adults with moderate-to-severe OSA (AHI ≥ 15 events/h) and obesity (BMI ≥ 30 kg/m
resultsGenerally, participants treated with tirzepatide showed greater improvements in OSA outcomes compared with placebo, regardless of baseline subgroup. Participants treated with tirzepatide experienced reductions in AHI across subgroups, regardless of baseline age (-27.7 to -34.1 events/h), sex (-19.8 to -32.6 events/h), AHI severity (-12.1 to -52.2 events/h), BMI (-25.2 to -34.4 events/h), and neck circumference (-23.9 to -30.8 events/h). Additionally, improvements were observed in body weight, systolic blood pressure, and sleep apnea-specific hypoxic burden across baseline subgroups. Overall, most participants experienced an improvement in AHI severity category with tirzepatide treatment (68% to 79%), while the majority in the placebo group saw no clinically relevant change (64% to 70%).
conclusionsIn these descriptive, hypothesis-generating, post hoc analyses, tirzepatide treatment was associated with improvements in multiple measures in participants with moderate-to-severe OSA and obesity. These improvements were observed across both studies, regardless of baseline age, sex, AHI severity, BMI, or neck circumference. CLINICAL
trial registrationSURMOUNT-OSA program (NCT05412004). CURRENT KNOWLEDGE/STUDY RATIONALE: Tirzepatide has been associated with clinically relevant improvements in OSA-related measures, body weight, and systolic blood pressure among individuals with moderate-to-severe OSA and obesity. These post hoc analyses aimed to assess whether there were variations in improvements based on baseline age, sex, AHI severity, BMI, or neck circumference. STUDY IMPACT: In general, tirzepatide treatment was associated with improvement in OSA outcomes across both studies, regardless of baseline age, sex, AHI severity, BMI, or neck circumference, with some observed differences among some baseline characteristics. This research may help us better understand the relationship between baseline characteristics and different OSA treatment responses and may stimulate future studies in this area.
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