REGULATORYRFK Jr.: 14 peptides returning to Category 1 — FDA advisory committee July 2026TRENDINGHexarelin: ↑↑ Surging ��� Trends score 100 as of May 2026UPDATESemaglutide and tirzepatide compounding ended — shortage resolved Feb/May 2025REGULATORYBPC-157, TB-500, thymosin alpha-1, CJC-1295, ipamorelin: expected Category 1 reclassification pendingEVENTpep-talk con ��� First US Peptide Convention · August 2026 · Anaheim CAFDAFDA advisory committee meetings scheduled: late July 2026REGULATORYRFK Jr.: 14 peptides returning to Category 1 — FDA advisory committee July 2026TRENDINGHexarelin: ↑↑ Surging ��� Trends score 100 as of May 2026UPDATESemaglutide and tirzepatide compounding ended — shortage resolved Feb/May 2025REGULATORYBPC-157, TB-500, thymosin alpha-1, CJC-1295, ipamorelin: expected Category 1 reclassification pendingEVENTpep-talk con ��� First US Peptide Convention · August 2026 · Anaheim CAFDAFDA advisory committee meetings scheduled: late July 2026

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Research/Paper
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PubMedPreclinical

Antagonist of Growth Hormone-Releasing Hormone Receptor MIA-690 Suppresses the Growth of Androgen-Independent Prostate Cancers.

Muñoz-Moreno Laura, Gómez-Calcerrada M Isabel, Arenas M Isabel, Carmena M José, Prieto Juan C, Schally Andrew V, Bajo Ana M
International journal of molecular sciences2024DOI: 10.3390/ijms252011200
MIA-690GHRH-R antagonist

Quality Score

4/10

Citations

0

Subjects

Non-Human

PeptideVault Analysis

Study Design

Preclinical research is the foundation of the drug development pipeline. While these findings require human validation, they establish the mechanistic basis that informs dosing strategies, safety profiles, and target identification for future clinical work.

Our Assessment

Quality Assessment: 4/10 — This study contributes useful data but has methodological limitations that warrant caution. The findings are suggestive rather than definitive, and we'd recommend looking for corroborating evidence before drawing strong conclusions.

Findings in Context

The results for MIA-690, GHRH-R antagonist are encouraging.

On the Limitations

Every study has limitations, and being transparent about them is what separates good science from hype. These limitations don't invalidate the findings — they define the boundaries of what we can confidently conclude.

The Takeaway

Bottom line: Early-stage evidence for MIA-690, GHRH-R antagonist. Interesting mechanistic insights, but we'll need human data before drawing practical conclusions.

Key Findings

The study found that the GHRH-R antagonist MIA-690, in combination with Gefitinib, effectively inhibits cell viability and adhesion, reduces metalloprotease activity, and induces cell cycle arrest in PC-3 prostate cancer cells. Similar effects were observed in subcutaneous tumours in athymic nude mice.

Limitations

The study is limited to preclinical models and does not provide direct evidence of efficacy or safety in human patients with castration-resistant prostate cancer (CRPC).

Citation

Muñoz-Moreno Laura, Gómez-Calcerrada M Isabel, Arenas M Isabel et al.. (2024). Antagonist of Growth Hormone-Releasing Hormone Receptor MIA-690 Suppresses the Growth of Androgen-Independent Prostate Cancers.. International journal of molecular sciences. https://doi.org/10.3390/ijms252011200

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This content is derived from peer-reviewed research for educational purposes only. It does not constitute medical advice. Always consult a qualified healthcare provider before using any peptide-based therapy.