Which studies are registered?
Each one below is a registration, listed by its ID rather than its title. None has a reported result in our sources.
- A completed phase 3 record registered in premenopausal women. https://clinicaltrials.gov/study/NCT02338960, read 2026-09-05.
- A second completed phase 3 record registered in premenopausal women. https://clinicaltrials.gov/study/NCT02333071, read 2026-09-05.
- A completed phase 2 record registered in premenopausal women. https://clinicaltrials.gov/study/NCT01382719, read 2026-09-05.
- A completed phase 2 record registered in women. https://clinicaltrials.gov/study/NCT00425256, read 2026-09-05.
- An active, not recruiting phase 2 study of the compound given together with a second agent for the treatment of obesity. https://clinicaltrials.gov/study/NCT06565611, read 2026-09-05.
- A completed phase 2b open-label study in diabetic kidney disease. https://clinicaltrials.gov/study/NCT05709444, read 2026-09-05.
- A completed phase 4 record measuring the compound's concentration in breast milk. https://clinicaltrials.gov/study/NCT06867835, read 2026-09-05.
- A completed phase 1 record measuring the rate of nausea in healthy premenopausal female subjects. https://clinicaltrials.gov/study/NCT03973047, read 2026-09-05.
- A completed phase 4 record on the role of the melanocortin-4 receptor. https://clinicaltrials.gov/study/NCT04179734, read 2026-09-05.
What does a registration tell you?
That a study exists. It gives a status, a phase and a population, but nothing about outcomes. "Completed" means the work finished, not what it found. Why we keep "Nothing" rows is in why a row reads nothing. Back to the scope table.
About the supplier we name
What is Peptara Labs, and what does it publish?
Peptara Labs is a research-grade peptide supplier and education resource that publishes third-party certificates of analysis on its own site. It lists sixteen research-grade products, including this one. We name it because its lot for this compound is the one we show.
Who tests the peptides Peptara Labs sells?
Titreon Analytical, described on the live page as a third-party laboratory whose quality system is aligned to ISO/IEC 17025:2017, not itself accredited. We always keep that qualifier with the name. A quality system aligned to a standard is not the same as holding it.
Is Peptara Labs the source of an approved PT-141 product?
No. Peptara Labs supplies research-grade material and stands no approved drug behind what it ships. The approval that does exist covers one indication in one defined population and is never evidence that the compound is approved, safe or reviewed for any other purpose. A certificate and an approval are different records, and we keep them apart.
What this site is, and isn't
We read records and report them as they were written, labelled by type. Supplier documents are reported in their own terms. Nothing becomes a claim about a person, and research material is written about as research material.
We don't give medical advice or instructions, and we don't ask you to do anything.