Phase 3Active, not recruiting

A Study of Retatrutide (LY3437943) Compared to Tirzepatide (LY3298176) in Adults Who Have Obesity (TRIUMPH-5)

A Phase 3, Randomized, Double-Blind Study to Evaluate the Efficacy and Safety of Retatrutide Compared to Tirzepatide in Adults Who Have Obesity

Sponsor
Eli Lilly and Company (Industry)
Enrollment
800 planned
Conditions
Obesity
Interventions
Retatrutide; Tirzepatide
Ages
adults, older adults
Registry
NCT06662383, CTIS2024-511450-49-00

Full record on ClinicalTrials.gov

From the registry

The main purpose of this study is to evaluate the efficacy and safety of retatrutide compared to tirzepatide in adults who have obesity. The study will last about 89 weeks.

Primary outcomes

  • Percent Change from Baseline in Body Weight

History

  1. Study completion expected

  2. Primary completion expected

  3. Last registry update

  4. Started

  5. Registered

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)

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)