Guide

Melanocortin receptor peptides

Built from index records dated 2026-10-09 Compiled by an automated pipeline, checked by The Peptide Observer editorial desk How this site works

Melanocortin receptor peptides is a group of 4 entries in this index, of which this site describes 1 and holds 3 back pending review.

Only the described entries are counted anywhere on this page.

What this group is

This group holds 4 entries, and every one of them carries a receptor or a pathway named in its records.

Every one of them points at the same place: Melanocortin receptor. A shared target is what holds this group together.

Melanocortin receptor

Named in the records of 4 of the 4 entries in this group.

The entries described here

Melanotan II

12 records kept: 9 in rodents, 3 not stated. The records kept here are animal and laboratory studies only.

Publication years of all 12 records kept for the described entries in this group. Oldest 2004, newest 2019. An old record is not a worse record, but a group whose marks all sit to the left has not been looked at recently.

What is held back

3 entries in this group are built and then held back, because publishing them without a qualified reviewer would risk being read as medical guidance. They are: Bremelanotide, Afamelanotide and Setmelanotide. This page says nothing about what their records contain. Why entries are held back.

What is not known

Whether the members of this group have anything in common beyond what the counts above show. A shared receptor is a shared target, not a shared result.
What any of these entries does in a body. Nothing on this site has been read in full, and no record here has been appraised by anyone qualified to appraise it.
Anything at all about the held-back entries named above, beyond the fact that they exist and are being withheld.

Where this comes from

This page reprints no wording from the underlying index. These are the published records that index cites for the existence of this group, listed so the grouping can be checked rather than taken on trust.

Melanocortin receptor agonists, penile erection, and sexual motivation: human studies with Melanotan II. Int J Impot Res (2000). pmid:11035391
Evaluation of melanotan-II, a superpotent cyclic melanotropic peptide in a pilot phase-I clinical study. Life Sci (1996). pmid:8637402
Afamelanotide for Erythropoietic Protoporphyria. N Engl J Med (2015). pmid:26132941
Bremelanotide: an overview of preclinical CNS effects on female sexual function. J Sex Med (2007). pmid:17958619