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Human researchHistorical FDA product · discontinued

Sermorelin

GHRH (1–29) analog

Also indexed as: GRF 1-29 · Geref

What this evidence does not tell us

The linked article is a commentary, not a randomized anti-aging trial. Historical Geref approval and discontinuation do not make current compounded formulations FDA-approved.

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10 glossary terms used in this profile

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Definitions explain the words—not whether a molecule works or is safe. Research education only, not medical advice.

Overview

Sermorelin is an analog of the first 29 amino acids of growth hormone-releasing hormone. Historical Geref products were approved and later discontinued; current compounded products require separate regulatory interpretation.

Mechanism of action

GHRH / GH–IGF-1

Acts at pituitary GHRH receptors to stimulate endogenous growth hormone release, with downstream IGF-1 signaling. A functioning hypothalamic-pituitary system and clinical context influence responses.

A biological pathway describes a proposed or observed interaction—not necessarily a demonstrated health outcome.

Decode the terminology in our glossary

Scientific evidence

How strong is the evidence?

Human evidence is still developing

  1. Limited evidence
  2. Early research
  3. Human researchCurrent category
  4. Human outcomes

Studies in people exist, but the findings may be small, narrow, mixed or still need confirmation. A hormone or cell marker is not necessarily a health benefit.

For this research: The linked article is a commentary, not a randomized anti-aging trial. Historical Geref approval and discontinuation do not make current compounded formulations FDA-approved.

An editorial guide—not a validated score, a percentage, a safety rating or an approval badge. Regulatory status is separate. More research does not mean fewer risks.

Cell studies

Mechanistic laboratory evidence is not separately assessed in this selected-source summary; see references and their study types.

Animal experiments

Animal evidence is not separately assessed here. Findings in animals must not be interpreted as demonstrated human benefit.

Human observational studies

Associations, biomarker studies and anecdotes cannot establish treatment causality; no observational result is used here to infer clinical effectiveness.

Human clinical trials

Historical pediatric and diagnostic research exists; the cited adult-aging article is a commentary rather than a clinical trial.

Regulatory evidence

Geref was historically FDA-approved and later discontinued; FDA determined withdrawal from sale was not for safety or effectiveness reasons. Current compounded preparations are not FDA-approved finished drugs.

Potential research applications

Pituitary GH response and historical pediatric GH-deficiency research.

These describe scientific questions, not prescribing recommendations. A research grouping does not establish combination safety or clinical effectiveness.

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Safety considerations

Potential endocrine effects, glucose changes, fluid retention and hypersensitivity require clinical assessment. Long-term anti-aging use lacks adequate evidence.

This is not an exhaustive safety or contraindication list. An absence of reported harm is not proof of safety. Pregnancy, breastfeeding, cancer history, endocrine disease and concurrent medicines can materially change risk. Unregulated preparations add identity, contamination and sterility risks.

Regulatory status · United States

Historical FDA product · discontinued

Geref was historically FDA-approved and later discontinued; FDA determined withdrawal from sale was not for safety or effectiveness reasons. Current compounded preparations are not FDA-approved finished drugs.

Read the official regulatory source

Regulatory status and evidence strength are different. A nomination for compounding, a clinical-trial registration or a “research use only” label is not approval. International rules vary; consult the current regulator and product label.

Selected literature & source transparency

Commentary· 2006

Sermorelin: a better approach to management of adult-onset growth hormone insufficiency?

Clinical interventions in aging

Matched bibliographic records confirm a publication’s identity, not the validity of every claim. Selected sources are not a systematic literature review.

Continue your own source search

These open search results, not additional verified citations. Trial registration is not evidence that a treatment works.

Three questions worth bringing to your clinician

  1. Which human outcomes—not just biomarkers—support this claim?
  2. What established options address my actual health concern?
  3. What do my medical history and current medicines change about the risks?

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Education, not a prescription. Research summaries are not medical advice, dosing instructions, or an offer to sell. Mechanistic findings do not establish clinical effectiveness. US regulatory status is product- and indication-specific and may change. Discuss health decisions with a licensed clinician.