Phase 3Completed
A Study of Retatrutide (LY3437943) in Participants With Type 2 Diabetes Mellitus Who Have Obesity or Overweight (TRIUMPH-2)
A Master Protocol to Investigate the Efficacy and Safety of LY3437943 Once Weekly in Participants With Type 2 Diabetes Mellitus Who Have Obesity or Overweight: A Randomized Double-Blind, Placebo-Controlled Trial
- Sponsor
- Eli Lilly and Company (Industry)
- Enrollment
- 1,152 enrolled
- Conditions
- Type 2 Diabetes; Obesity; Overweight; Obstructive Sleep Apnea
- Interventions
- Retatrutide; Placebo
- Ages
- adults, older adults
- Registry
- NCT05929079, CTIS2023-503658-11-00
Full record on ClinicalTrials.gov
From the registry
The purpose of this study is to is to evaluate the efficacy and safety of retatrutide in participants with type 2 diabetes in participants who have obesity or overweight (J1I-MC-GZBK master protocol) including a subset of participants who have obstructive sleep apnea (OSA) (J1I-MC-GSA2). The study will last about 89 weeks and will include up to 24 visits.
Primary outcomes
- Percent Change from Baseline in Body Weight
- Change from Baseline in Apnea-Hypopnea Index (AHI) for GSA2 Subset
History
Last registry update
Primary completion
Started
Registered
Papers citing this trial
- Retatrutide reduced sleep apnea severity in randomized trials
The New England journal of medicine
- Retatrutide reduces bodyweight in obesity and type 2 diabetes
Lancet (London, England)
In the news
TrialsMedical Xpress (opens Medical Xpress in a new tab)
Lilly’s retatrutide at least halves knee osteoarthritis pain in two-thirds of participants
Two Northwestern-led phase 3 trials enrolled over 1,000 adults with overweight or obesity; 38% on placebo achieved comparable pain relief, while the highest dose produced roughly 25% weight loss.
Also in NEJM (opens NEJM in a new tab), Yonhap News Agency (opens Yonhap News Agency in a new tab)
CompanyGlobeNewswire (opens GlobeNewswire in a new tab)
Eli Lilly's retatrutide leads recall across the obesity drug pipeline
The candidate leads recall among obesity treatments in development.
TrialsSTAT+ (opens STAT in a new tab, subscription)
Eli Lilly says retatrutide lowers blood sugar and weight more than Ozempic in diabetes
The large head-to-head study tested Lilly’s investigational incretin injection against Novo Nordisk’s drug.
Also in Endpoints News (opens Endpoints News in a new tab), BioPharma Dive (opens BioPharma Dive in a new tab), ByDrug (opens ByDrug in a new tab), Diario Médico (opens Diario Médico in a new tab), asiae.co.kr (opens asiae.co.kr in a new tab), oe24 (opens oe24 in a new tab)
TrialsDeutsches Ärzteblatt (opens Deutsches Ärzteblatt in a new tab)
Triple agonist retatrutide eases obstructive sleep apnea in two phase 3 trials
One trial enrolled overweight adults with type 2 diabetes, the other those without; researchers published their findings in the New England Journal of Medicine.



