Protirelin (TRH)

Overview

Protirelin is a tripeptide composed of L-pyroglutamyl, L-histidyl and L-prolinamide residues joined in sequence. It has a role as a human metabolite. It is a peptide hormone and a tripeptide.

Source: ChEBI (CC BY 4.0), via PubChem.

PubChem record

CID 638678 · Protirelin

Molecular formula · weight

C16H22N6O4 · 362.38 g/mol

PubMed papers naming it (title/abstract)

121 search: “Protirelin”

Registered clinical studies (ClinicalTrials.gov)

15 intervention: “Protirelin”

Reference facts checked 2026-11-09. Counts are search results, not a judgement of the evidence.