Preserved supervised synthesis

CJC-1295 synthesis · version 1

This URL preserves the exact reviewed public wording and source set for synthesis version 1.

Supervised synthesis

What do selected human studies report about CJC-1295?

Manually reviewed September 15, 2026 · version 1

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Two selected reports examine a long-acting, albumin-binding CJC-1295 preparation in healthy adults. Hormone measurements are distinct from patient benefit, and findings should not be transferred to differently identified preparations.12

Bottom line from this bounded source set

The studies reported sustained growth hormone and IGF-I responses, including preserved hormone pulsatility. They do not establish clinical benefit for injury recovery, body composition or aging, or long-term safety.12

Reviewed study record

Early pharmacology trials in healthy adults

Design

Two blinded randomized placebo-controlled studies assessed pharmacokinetics and hormone responses over 28 and 49 days.1

Population

Participants were healthy adults aged 21–61; the abstract does not state their total number.1

Outcomes reported

Growth hormone and IGF-I concentrations increased for several days. The report recorded no serious adverse reactions.1

Limitations

Short-term hormone changes are surrogate measurements. No serious reactions in these studies does not establish safety over longer exposure or in other populations.1

Reviewed study record

Growth-hormone pulsatility

Design

A before-and-after physiology study measured overnight hormone secretion before and one week after exposure.2

Population

The participants were healthy men aged 20–40; the abstract does not state their total number.2

Outcomes reported

Mean and trough growth hormone levels and IGF-I increased, while pulse frequency and magnitude were unchanged.2

Limitations

The report describes an albumin-binding preparation and physiological endpoints. It does not establish improvement in a clinical condition or comparative long-term safety.2

Reviewed source set

  1. PubMed · 16352683Prolonged stimulation of growth hormone (GH) and insulin-like growth factor I secretion by CJC-1295, a long-acting analog of GH-releasing hormone, in healthy adults. ↗PubMed PMID 16352683 · EFetch XML reviewed 2026-09-15 · payload SHA-256 8d07b071e6897064b1be996b01a888f8a2961a1b5317f7666bf07d47bbd7c205
    No registered Crossref update in the reviewed snapshotChecked September 15, 2026 for DOI 10.1210/jc.2005-1536. This bounded result is not proof that the publication has never been corrected or retracted. Open the pinned Crossref work endpoint ↗
  2. PubMed · 17018654Pulsatile secretion of growth hormone (GH) persists during continuous stimulation by CJC-1295, a long-acting GH-releasing hormone analog. ↗PubMed PMID 17018654 · EFetch XML reviewed 2026-09-15 · payload SHA-256 0d26a88a537d4d0bca90c505b245b9ef465515c23d1ac6bd0daf4bd04521e3fd
    No registered Crossref update in the reviewed snapshotChecked September 15, 2026 for DOI 10.1210/jc.2006-1702. This bounded result is not proof that the publication has never been corrected or retracted. Open the pinned Crossref work endpoint ↗