Growth axis

Ipamorelin

NNC 26-0161

Peptide length
5 amino acids

Modified pentapeptide

Evidence availableHuman studies exist

Open the sources to check how the studies were done and what they can support.

A synthetic growth-hormone secretagogue whose original pharmacology was characterized in cells and animals; human development has also investigated gastrointestinal recovery.

Family
Ghrelin-receptor agonist
Research target
Ghrelin receptor (GHSR)
Molecular form
Modified pentapeptide
Formula reported by the source
C38H49N9O5

What to know about the research

The early selectivity work used cells and animals. In the later postoperative-ileus trial, ipamorelin did not significantly outperform placebo on the key or secondary efficacy analyses.

Check the exact compound

Non-natural residues and terminal amidation are part of the identity. Do not infer identity from an unmodified five-letter sequence.

FOLLOW THE EVIDENCE

What supports this entry?

3 of 3 summary statements linked to checked source passages.

These are selected references, not a complete review of the literature. Source checks were assisted by AI and have not received independent expert review.

Research stage, study quality and regulatory status answer different questions. A study card does not establish treatment benefit or approval.

Check the overview statementSource checked

A synthetic growth-hormone secretagogue whose original pharmacology was characterized in cells and animals; human development has also investigated gastrointestinal recovery.

Supporting sourceIpamorelin: randomized postoperative ileus trial

Abstract: Patients, Intervention, Main outcome measures, Results and Conclusions

Supporting sourceIpamorelin, the first selective growth hormone secretagogue.

Abstract: opening pentapeptide structure and rat-cell, rat and swine experiments

  • Selected primary-source passages checked with AI assistance. Scope cautions are editorial interpretations; this is not a complete literature review.
Check the evidence limitationSource checked

The early selectivity work used cells and animals. In the later postoperative-ileus trial, ipamorelin did not significantly outperform placebo on the key or secondary efficacy analyses.

Scope limitIpamorelin: randomized postoperative ileus trial

Abstract: Patients, Intervention, Main outcome measures, Results and Conclusions

Supporting sourceIpamorelin, the first selective growth hormone secretagogue.

Abstract: opening pentapeptide structure and rat-cell, rat and swine experiments

  • Selected primary-source passages checked with AI assistance. Scope cautions are editorial interpretations; this is not a complete literature review.
Check the identity statementSource checked

Non-natural residues and terminal amidation are part of the identity. Do not infer identity from an unmodified five-letter sequence.

Supporting sourceIpamorelin, the first selective growth hormone secretagogue.

Abstract: opening pentapeptide structure and rat-cell, rat and swine experiments

  • Selected primary-source passages checked with AI assistance. Scope cautions are editorial interpretations; this is not a complete literature review.

Inside the selected studies

Human study

Phase II randomized, double-blind, placebo-controlled trial

Intravenous ipamorelin

Who or what was studied
Adults undergoing bowel resection
Sample size
117
Compared with
Placebo
Duration
Up to seven postoperative days or discharge
What was measured
  • Time to tolerating a solid meal: no significant group difference (p=0.15).
  • No significant difference in key or secondary efficacy analyses.
Keep in mind
  • Selected study only; source mapping is not independent study-quality appraisal.
  • 117 enrolled; 114 formed the safety and modified intent-to-treat populations. Small proof-of-concept study.
Read the study source

Abstract: Patients, Intervention, Main outcome measures, Results and Conclusions

Source checked · Study quality not independently appraised

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