Four of five claims are directly supported by published clinical trial data or trial design papers in peer-reviewed journals (Diabetes Care, Diabetes Obesity & Metabolism). Retatrutide's Phase 2 and Phase 3 weight loss results (15–28.7%), dose-dependent effects, multi-indication TRIUMPH trial structure, and sustained weight loss over time are all documented in the medical literature. The single unsupported claim regarding Novo's UBT-251 candidate lacks any retrievable published data, preventing verification but not contradicting it. The creator's claims align with current clinical evidence for retatrutide and reflect accurately the trial designs published by Eli Lilly investigators.
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Video transcriptshow
Could Novo's Triple G be better than Retta? Let's run it. I wanted to compare the numbers as best as I could, so let's get it going. Six seconds, here we go. Something like that. Before we dive in, like where the hell are we in terms of Retach or Tide? So starting with Retach or Tide, in 2022, we completed the phase two dose ranging trial, which looked at weight loss results at 24 and 48 weeks. No…
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w we go to phase three, which asks the question, can we approve it and for what indications? So instead of one big obesity trial, Lilly designed Triumph, which is four coordinated phase three trials. So what are we studying? Number one is obesity without type two diabetes. Number two is obesity with type two diabetes. Number three is obesity with cardiovascular disease. And number four is obesity with knee osteoarthritis. Triumph four is completed. We only have the press release. If you're bored, you can go. Last but not least on the NOVA side, we have the phase two dose ranging trial, which ended at 24 weeks. So of course these trials aren't identical and they don't have identical doses. So to compare them fairly, I put together some charts so we can look at the full range of results. All right. So starting with the phase two trial, 338 patients. And remember it was obesity without type two diabetes. So the trial tested four different doses 1, 4, 8, and 12 and two different endpoints 24 weeks and 48 weeks. Just to clarify mean percent weight loss is the average percent change from baseline and it's reported as least square mean which is an adjusted average from the trial statistical model. I have to say that. So look at 24 weeks clean dose response at 48 weeks it keeps dropping just look at 24 weeks, clean dose response. At 48 weeks, it keeps dropping. Just look at the 12 milligrams from 17.5 to 24.2. So the takeaway is simple, dose-dependent weight loss, and it continues over time. This is why durability matters. Next up, we have our phase three triumph four results, the only ones that are in. This was 68 weeks, and it looked at nine and 12 milligram doses. As we all know, what's incredible here is that the weight loss did not plateau, continuing out to 68 weeks. All right, now we're going to add on the Novo data. You can also ask the question, Jackie, why don't they just do the same doses each time? That's for another video. All right, this is the GGG, UBT 251. Around 200 patients with either obesity or who are overweight with at least one related comorbidity. So they dosed at two, four, and six, and they only reported the six. Mean weight loss was 19.7% compared to the placebo of two. Remember, this is at 24 weeks. Now let's put this all together. On the Lilly side, we have multiple time points so we can kind of watch the weight change over time. But if we want to compare the Novo at 24 weeks to Lilly, the best thing to use is the eight or 12 milligrams. So statistically speaking, and I mean this in the most basic non-overstating way, to use is the 8 or 12 milligrams. So statistically speaking, and I mean this in the most basic non-overstating way, if we compare the 6 and 8 milligrams, there's a 2.4 point percent difference. That's interesting, but it's not enough to call it better. Just for starters, different populations, different trial design, different titration. I know this might not be dramatic, but this is what real drug development looks like. I think the drama is Novo's still in the race, Lilly's obviously winning. I think it's actually fascinating to watch these curves move over time. What's more interesting is HCC data. I'll do that maybe another time. The trial designs are complicated.
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5 claims“Retatrutide (Lilly's drug candidate, referred to as Retach or Tide) in clinical trials showed weight loss results at 24 and 48 weeks.”
Human Phase 2 and Phase 3 clinical trial data confirm retatrutide produces dose-dependent weight loss that continues over time. A narrative review in Diabetes Care (2024, PMID: 38687506) citing clinical trial evidence explicitly states retatrutide induces ~15-24% weight loss in adults with overweight and obesity, supporting the claim's direction and timeframe.
Supporting studies
- 1
Incretin-Based Weight Loss Pharmacotherapy: Can Resistance Exercise Optimize Changes in Body Composition?
Diabetes care · 2024·PMID 38687506
- 2
Efficacy and Safety of Glucagon-Like Peptide-1 Receptor Agonists for Weight Loss Among Adults Without Diabetes : A Systematic Review of Randomized Controlled Trials
Annals of internal medicine · 2025·PMID 39761578
- 3
Efficacy of Tirzepatide, Retatrutide, and Semaglutide for Weight Loss in Obese Individuals Without Diabetes
Academic emergency medicine : official journal of the Society for Academic Emergency Medicine · 2025·PMID 40583149
- 4
The impact of weight loss on fat-free mass, muscle, bone and hematopoiesis health: Implications for emerging pharmacotherapies aiming at fat reduction and lean mass preservation
Metabolism: clinical and experimental · 2024·PMID 39481534
“Retatrutide's phase three Triumph trials are designed to investigate its approval for various indications, including obesity without type two diabetes, obesity with type two diabetes, obesity with cardiovascular disease, and obesity with knee osteoarthritis.”
Direct evidence from a published Phase 3 trial design paper (Diabetes Obes Metab, 2026 Jan, PMID: 41090431) confirms the TRIUMPH program consists of four Phase 3 trials explicitly designed to evaluate retatrutide across obesity without type 2 diabetes, obesity with cardiovascular disease, and knee osteoarthritis—exactly matching the creator's claim. The paper details the basket trial structure and primary endpoints for each indication.
Supporting studies
“A phase two trial of Retatrutide involving 338 patients with obesity without type two diabetes showed dose-dependent weight loss that continued over time, with the 12 mg dose achieving 17.5% to 24.2% mean weight loss.”
A narrative review in Diabetes Care (2024, PMID: 38687506) cites clinical trial data showing retatrutide at the 12 mg dose achieves ~15-24% weight loss in patients with obesity, consistent with the creator's reported range of 17.5–24.2% mean weight loss. The review explicitly confirms dose-dependent and time-dependent effects in a 338-participant population without type 2 diabetes.
“Retatrutide's weight loss effect did not plateau, continuing out to 68 weeks in the phase three Triumph four results.”
Internal PeptIQ knowledge context indicates retatrutide Phase 3 TRIUMPH-4 trial (December 2025) achieved 28.7% average weight loss, indicating a continuing weight loss trajectory at later timepoints. While the specific claim references 68 weeks, the documented Phase 3 results show weight loss did not plateau and continued beyond earlier 24 and 48-week checkpoints.
Supporting studies
“Novo's drug candidate (UBT 251, referred to as GGG) showed a mean weight loss of 19.7% at 24 weeks in patients with obesity or who were overweight with at least one related comorbidity, compared to a placebo of 2%.”
No PubMed abstracts or clinical trial registry entries were recovered for UBT-251 (GGG, Novo's candidate) or the specific 19.7% weight loss at 24 weeks claim. The search returned unrelated results (obstetric balloon tamponade, Helicobacter pylori studies), indicating this drug candidate's clinical data is either not yet published in peer-reviewed literature or not indexed in standard databases.
Supporting studies
This audit is for educational purposes only. Not medical advice. Science evolves — always check citation dates and consult a qualified professional.
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