Peptide Class

Growth Hormone Secretagogue Peptides

Peptides studied for their capacity to stimulate growth hormone release through pituitary and hypothalamic receptor pathways

GHRH receptor agonists and ghrelin mimetics
Growth hormone secretionMetabolic regulationBody composition researchIGF-1 axis signalingPituitary receptor pharmacology

Class Overview

Growth hormone secretagogue (GHS) peptides represent a class of compounds studied for their ability to stimulate GH release from the anterior pituitary through two primary mechanisms: GHRH receptor agonism and ghrelin receptor (GHSR-1a) activation. Published preclinical research has examined these compounds in models of GH deficiency, body composition, and metabolic regulation. Researchers in this space typically distinguish between GHRH analogs such as CJC-1295 and tesamorelin, and ghrelin mimetics such as ipamorelin. The combined use of both receptor pathways in research protocols is documented extensively in the GH secretagogue literature.

Compounds in This Class

Each compound contributes a distinct mechanism within this research class.

CJC-1295/Ipamorelin

Role in Class

GHRH analog combined with ghrelin mimetic studied for synergistic pulsatile GH secretion in preclinical models.

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Tesamorelin

Role in Class

Stabilized GHRH analog investigated in clinical and preclinical models for GH secretion and visceral adipose reduction.

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AOD-9604

Role in Class

C-terminal fragment of human growth hormone studied for lipolytic activity independent of the full GH receptor pathway.

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Research Connections

Use Case: metabolic →Use Case: longevity →Stack: gh secretagogue stack →Stack: metabolic protocol →

Research Context

The GH secretagogue field has expanded considerably since the identification of the ghrelin receptor and the development of stable GHRH analogs. Researchers examining this class typically study outcomes in rodent and primate models before considering human clinical trial design. Published studies document dose-response relationships, receptor selectivity profiles, and downstream IGF-1 axis effects in both acute and chronic administration paradigms.

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