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CJC-1295 with PEG-MGF

Mechanism-tag overlap and published literature for CJC-1295 and PEG-MGF, pulled verbatim from each Kalios compound profile. Kalios is a literature reference, not a recommendation.

Mechanism overlap

Mechanism tags are verbatim labels on each compound's profile. Generic tags ("peptide", "small-molecule", "research-chemical") are excluded from this overlap view. Tags are descriptive — not an inference about combined effect.

CJC-1295 PEG-MGF 2 UNIQUE TAGS 1 UNIQUE TAGS 0 SHARED
CJC-1295 unique ghrhgrowth-hormone-releasing-hormone-analog
Shared none
PEG-MGF unique pegylated-igf-1-splice-variant

Co-administration notes from the literature

Verbatim summary text pulled from each compound's profile data. Researchers studying CJC-1295 and PEG-MGF have published these mechanism-level observations. Not a co-administration recommendation.

Evidence level: mechanistic only

GH secretagogue stack raises endogenous GH/IGF-1. Layering with PEG-MGF produces multi-pathway growth stimulation — endogenous GH/IGF-1 elevation plus direct satellite cell activation. Used in aggressive body-composition protocols.

Quick facts

CJC-1295

RouteSubcutaneous
Half-lifeNot listed
FDA statusNot approved
WADAProhibited (S2)
Full CJC-1295 profile →

PEG-MGF

RouteSubQ / IM
Half-lifeDays (vs ~7 min for MGF)
FDA statusResearch only; no IND
WADABANNED (S2 class)
Full PEG-MGF profile →

Literature table

Classified references from each compound profile. Click a column header to sort. Click a PMID to open PubMed. Findings are quoted verbatim from each profile's literature_summary; nothing here is added or interpreted.

Year Compound Source Finding
2006CJC-1295aidsmap. Lipodystrophy study halted after patient death. July 2006. (Reports the ConjuChem Phase 2 CJC-1295 trial halt.)human trial, Phase 2
2010CJC-1295Alexopoulou O, Abs R, Maiter D. Treatment of adult growth hormone deficiency: who, why and how? A review. Acta Clin Belg. 2010;65(1):13-22. PMID: 20373593. PMID 20373593human study
2009CJC-1295Sackmann-Sala L, Ding J, Frohman LA, Kopchick JJ. Activation of the GH/IGF-1 axis by CJC-1295, a long-acting GHRH analog, results in serum protein profile changes in normal adult subjects. Growth Horm IGF Res. 2009;19(6):471-477. PMID: 19540144. PMID 19540144human study
2006CJC-1295Teichman SL, Neale A, Lawrence B, Gagnon C, Castaigne JP, Frohman LA. Prolonged 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. J Clin Endocrinol Metab. 2006;91(3):799-805… PMID 16352683human study
2006CJC-1295Abla AA, Fintini D, Sagazio A, Lawrence B, Castaigne JP, Frohman LA, Salvatori R. Once-daily administration of CJC-1295, a long-acting growth hormone-releasing hormone (GHRH) analog, normalizes growth in the GHRH knockout mouse. Am J Physiol Endocrinol Metab. 2006;291(6):E1290-E… PMID 16835399preclinical, in vivo
2005CJC-1295Jetté L, Léger R, Thibaudeau K, Benquet C, Robitaille M, Pellerin I, et al. Human growth hormone-releasing factor (hGRF)1-29-albumin bioconjugates activate the GRF receptor on the anterior pituitary in rats: identification of CJC-1295 as a long-lasting GRF analog. Endocrinology.… PMID 15817669preclinical, in vivo
2005CJC-1295Alba M, Fintini D, Bowers CY, Parlow AF, Salvatori R. Effects of long-term treatment with growth hormone-releasing peptide-2 in the GHRH knockout mouse. Am J Physiol Endocrinol Metab. 2005;289(5):E762-E767.preclinical, in vivo
2020CJC-1295Ishida J, Saitoh M, Ebner N, Springer J, Anker SD, von Haehling S. Growth hormone secretagogues: history, mechanism of action, and clinical development. JCSM Rapid Commun. 2020;3(1):25-37.mechanism / discovery
1995CJC-1295Izdebski J, Pinski J, Horvath JE, Halmos G, Groot K, Schally AV. Synthesis and biological evaluation of superactive agonists of growth hormone-releasing hormone. Proc Natl Acad Sci USA. 1995;92(10):4872-4876. PMID: 7761412. (Parent work on tetrasubstituted GHRH analogs.) PMID 7761412mechanism / discovery
2023CJC-1295Alwatban MZ, Al-Lohedan HA. A review of CJC-1295 as a GHRH analog: Pharmacology and clinical relevance. Drug Des Devel Ther. 2023 (review series).review
2026CJC-1295World Anti-Doping Agency. The 2026 Prohibited List. Section S2 — Peptide Hormones, Growth Factors, Related Substances and Mimetics. wada-ama.org.regulatory / registry
2025CJC-1295U.S. Food and Drug Administration. Bulk Drug Substances That Raise Significant Safety Risks (Category 2) Under Section 503A / 503B. FDA.gov. Updated 2025.regulatory / registry
2009PEG-MGFRiddoch-Contreras J, Yang SY, Dick JR, Goldspink G, Orrell RW, Greensmith L. Mechano-growth factor, an IGF-I splice variant, rescues motoneurons and improves muscle function in SOD1(G93A) mice. Exp Neurol. 2009;215(2):281-289. PMID: 19056385. PMID 19056385preclinical, in vivo
2005PEG-MGFShavlakadze T, Winn N, Rosenthal N, Grounds MD. Reconciling data from transgenic mice that overexpress IGF-I specifically in skeletal muscle. Growth Horm IGF Res. 2005;15(1):4-18. PMID: 15701567. PMID 15701567preclinical, in vivo
2003PEG-MGFHill M, Goldspink G. Expression and splicing of the insulin-like growth factor gene in rodent muscle is associated with muscle satellite (stem) cell activation following local tissue damage. J Physiol. 2003;549(Pt 2):409-418. PMID: 12692175. PMID 12692175preclinical, in vivo
2002PEG-MGFYang SY, Goldspink G. Different roles of the IGF-I Ec peptide (MGF) and mature IGF-I in myoblast proliferation and differentiation. FEBS Lett. 2002;522(1-3):156-160. PMID: 12095634. PMID 12095634preclinical, in vitro
2005PEG-MGFGoldspink G. Mechanical signals, IGF-I gene splicing, and muscle adaptation. Physiology (Bethesda). 2005;20:232-238. PMID: 16024702. (Foundational review of MGF / IGF-1Ec biology.) PMID 16024702review
2026PEG-MGFWorld Anti-Doping Agency. The 2026 Prohibited List. Montreal: WADA; 2026. (Class S2 prohibition — peptide hormones, growth factors, and mimetics including MGF analogs.)regulatory / registry
2015PEG-MGFYang Q, Lai SK. Anti-PEG immunity: emergence, characteristics, and unaddressed questions. Wiley Interdiscip Rev Nanomed Nanobiotechnol. 2015;7(5):655-677. PMID: 25707913. (Anti-PEG antibody review relevant to chronic PEG-MGF exposure.) PMID 25707913research article
2014PEG-MGFPhilippou A, Maridaki M, Pneumaticos S, Koutsilieris M. The complexity of the IGF1 gene splicing, posttranslational modification and bioactivity. Mol Med. 2014;20:202-214. PMID: 24637928. PMID 24637928research article
2010PEG-MGFKnop K, Hoogenboom R, Fischer D, Schubert US. Poly(ethylene glycol) in drug delivery: pros and cons as well as potential alternatives. Angew Chem Int Ed Engl. 2010;49(36):6288-6308. PMID: 20648499. (PEG pharmacology including anti-PEG antibody context.) PMID 20648499research article
2008PEG-MGFCarpenter V, Matthews K, Devlin G, Stuart S, Jensen J, Conaglen J, Jeanplong F, Goldspink P, Yang SY, Goldspink G, Bass J, McMahon C. Mechano-growth factor reduces loss of cardiac function in acute myocardial infarction. Heart Lung Circ. 2008;17(1):33-39. PMID: 17581797. PMID 17581797research article
2007PEG-MGFMills P, Dominique JC, Lafrenière JF, Bouchentouf M, Tremblay JP. A synthetic mechano growth factor E Peptide enhances myogenic precursor cell transplantation success. Am J Transplant. 2007;7(10):2247-2259. PMID: 17845562. PMID 17845562research article
2007PEG-MGFMills P, Lafrenière JF, Benabdallah BF, El Fahime el M, Tremblay JP. A new pro-migratory activity on human myogenic precursor cells for a synthetic peptide within the E domain of the mechano growth factor. Exp Cell Res. 2007;313(3):527-537. PMID: 17156777. PMID 17156777research article

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More research context

Frequently asked

Have CJC-1295 and PEG-MGF been studied together?

Researchers have published mechanistic-level co-administration discussion of CJC-1295 and PEG-MGF. No human co-administration trials are catalogued in the Kalios profiles. The pair page lists each compound's classified literature; full citations sit on each individual profile.

What mechanisms do CJC-1295 and PEG-MGF share?

CJC-1295 and PEG-MGF do not share a specific mechanism tag on their Kalios profiles. They appear on the same pair page because at least one profile lists the other in its co-administration data.

What is the FDA status of CJC-1295 and PEG-MGF?

CJC-1295: Not approved. PEG-MGF: Research only; no IND. FDA-status text is pulled verbatim from each compound profile. See /fda-pcac-2026.html for the broader FDA Pharmacy Compounding Advisory Committee context.

Where can I find the full research on CJC-1295 and PEG-MGF?

Full citation lists, dosing tables from the literature, reconstitution data, and the FDA / WADA status are on the individual compound profiles: the CJC-1295 profile and the PEG-MGF profile. The Kalios Stack Research Tool hub lists every compound covered.

Last updated: April 2026