GH secretagogues have three main clinical futures: treating GH deficiency as an alternative to GH injections, diagnosing GH deficiency more reliably, and managing conditions beyond classical GH deficiency.
3 clinical futuresGH secretagogues may serve as treatments (replacing injections), diagnostics (better GH testing), and expanded therapies (aging, obesity, critical illness)
What the researchers found
GH secretagogues offer three clinical futures: oral GH deficiency treatment replacing injections, improved GH deficiency diagnostics, and expanded indications for partial GH insufficiency in aging, obesity, and critical illness.
Why it matters
GH deficiency affects quality of life in children and adults. Oral GH secretagogues that produce more natural GH release patterns could transform treatment from burdensome daily injections to simple pills.
How the study worked
Review of clinical data and future therapeutic directions for GH secretagogues, covering GHRP-6, hexarelin, ipamorelin, MK-677, and other compounds.
What this study cannot tell us
Review based on clinical data through 1999. Long-term efficacy and safety of chronic GH secretagogue use were not yet established. Regulatory approval pathways were uncertain.
How to read the evidence
Moderate evidence from a forward-looking review based on accumulating clinical trial data for multiple GH secretagogue compounds.
When this study was published
Published in 1999. While no oral GH secretagogue has been approved for GH deficiency, MK-677 and other compounds have been extensively studied.
The bigger picture
The clinical landscape for GH therapy could shift from injectable recombinant GH to oral secretagogues that stimulate the body's own GH production. This represents a paradigm shift from hormone replacement to hormone stimulation.
Questions still open
- Will oral GH secretagogues achieve comparable efficacy to GH injections?
- Can GH secretagogues serve as screening tools for adult GH deficiency?
- How will the expanded indications beyond classical GH deficiency be validated?
Common questions
Could GH secretagogues replace GH injections?
What conditions might GH secretagogues treat beyond GH deficiency?
Read the original research
Growth hormone secretagogues: the clinical future.
Hormone research, 51 Suppl 3, 29-33
Citation
Micic, D; Casabiell, X; Gualillo, O; Pombo, M; Dieguez, C; Casanueva, F F. (1999). Growth hormone secretagogues: the clinical future.. Hormone research, 51 Suppl 3, 29-33.