Comparison

Hexarelin vs Setmelanotide

Function

While Hexarelin is investigated for effects on GH secretion, cardiac protection, and muscle metabolism, with higher GH secretory potency than earlier GHRPs1929, Setmelanotide is approved for chronic weight management in patients with POMC, PCSK1, LEPR deficiencies and Bardet–Biedl syndrome by reducing hunger and promoting weight loss92.

Mechanism

While Hexarelin works as a potent synthetic hexapeptide (examorelin) that agonizes GHSR-1a to stimulate GH release and also binds CD36, influencing cardiovascular and metabolic pathways19212996, Setmelanotide is a potent synthetic melanocortin-4 receptor (MC4R) agonist derived from a POMC/α-MSH–related sequence that restores downstream MC4R signaling in genetic obesity syndromes3192100.

Length and Sequence

Hexarelin is 6 amino acids long, whereas Setmelanotide is shorter as it has a length of amino acids. Hexarelin is made up of a sequence of Histidine, Tryptophan, Alanine, Tryptophan, Phenylalanine, Lysine. Setmelanotide is made up of a sequence of sequence data not available in the current dataset.

Receptor

Hexarelin

Primary: GHSR-1a (ghrelin receptor); also binds the scavenger receptor CD36 in vascular and macrophage tissues192129

Setmelanotide

Melanocortin-4 receptor (MC4R) 3192100

Organism or Origin

Hexarelin

Fully synthetic growth hormone secretagogue29

Setmelanotide

Synthetic analog of POMC-derived α-MSH peptide928190

Gene

Hexarelin

GHSR

Setmelanotide

POMC

Related articles

No related articles are linked to these peptides yet.

Sources

19Identification of the growth hormone-releasing peptide binding site ..., https://pmc.ncbi.nlm.nih.gov/articles/PMC1133797/
21Hexarelin Peptide | Strength & Recovery - Paragon Sports Medicine, https://www.paragonsportsmedicine.com/peptides/hexarelin
29Examorelin - Wikipedia, https://en.wikipedia.org/wiki/Examorelin
96Growth Hormone Secretagogue Receptor - ScienceDirect.com, https://www.sciencedirect.com/topics/biochemistry-genetics-and-molecular-biology/growth-hormone-secretagogue-receptor
31[PDF] 213793Orig1s000 - accessdata.fda.gov, https://www.accessdata.fda.gov/drugsatfda_docs/nda/2020/213793Orig1s000PharmR.pdf
81Proopiomelanocortin (POMC), the ACTH/melanocortin precursor, is ..., https://pmc.ncbi.nlm.nih.gov/articles/PMC2253185/
90alpha-Melanocyte stimulating hormone: production and degradation, https://pmc.ncbi.nlm.nih.gov/articles/PMC3936413/
92Setmelanotide, https://go.drugbank.com/drugs/DB11700
100Multiple Independent Sub-studies of Setmelanotide in, https://onderzoekmetmensen.nl/en/node/53452/pdf