Pair page
CJC-1295 with TB-500
Mechanism-tag overlap and published literature for CJC-1295 and TB-500, 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.
ghrhgrowth-hormone-releasing-hormone-analog
angiogenesissystemic-tissue-repair
Co-administration notes from the literature
Verbatim summary text pulled from each compound's profile data. Researchers studying CJC-1295 and TB-500 have published these mechanism-level observations. Not a co-administration recommendation.
Added for systemic cell migration and connective-tissue remodeling during rehab. Not directly synergistic with GH-axis effects but frequently combined in "recovery" protocols.
Growth hormone secretagogue stack layered with TB-500 during injury recovery. GH/IGF-1 elevation supports the broader anabolic environment that tissue repair relies on.
Quick facts
CJC-1295
TB-500
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 |
|---|---|---|---|
| 2006 | CJC-1295 | aidsmap. Lipodystrophy study halted after patient death. July 2006. (Reports the ConjuChem Phase 2 CJC-1295 trial halt.) | human trial, Phase 2 |
| 2010 | CJC-1295 | Alexopoulou 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 20373593 | human study |
| 2009 | CJC-1295 | Sackmann-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 19540144 | human study |
| 2006 | CJC-1295 | Teichman 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 16352683 | human study |
| 2006 | CJC-1295 | Abla 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 16835399 | preclinical, in vivo |
| 2005 | CJC-1295 | Jetté 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 15817669 | preclinical, in vivo |
| 2005 | CJC-1295 | Alba 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 |
| 2020 | CJC-1295 | Ishida 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 |
| 1995 | CJC-1295 | Izdebski 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 7761412 | mechanism / discovery |
| 2023 | CJC-1295 | Alwatban 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 |
| 2026 | CJC-1295 | World Anti-Doping Agency. The 2026 Prohibited List. Section S2 — Peptide Hormones, Growth Factors, Related Substances and Mimetics. wada-ama.org. | regulatory / registry |
| 2025 | CJC-1295 | U.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 |
| 2023 | TB-500 | Sosne G, Kim C, Kleinman HK. 0.1% RGN-259 (Thymosin β4) Ophthalmic Solution Promotes Healing and Improves Comfort in Neurotrophic Keratopathy Patients in a Randomized, Placebo-Controlled, Double-Masked Phase III Clinical Trial. Int J Mol Sci. 2023;24(1):554. | human trial, Phase 3 |
| 2015 | TB-500 | Sosne G, Dunn SP, Kim C. Thymosin β4 significantly improves signs and symptoms of severe dry eye in a Phase 2 randomized trial. Cornea. 2015;34(5):491-496. | human trial, Phase 2 |
| — | TB-500 | ClinicalTrials.gov. A Phase 2 Study on Effect of Thymosin Beta 4 on Wound Healing. NCT00311766. | human trial, Phase 2 |
| 2010 | TB-500 | Ruff D, Crockford D, Girardi G, Zhang Y. A randomized, placebo-controlled, single and multiple dose study of intravenous thymosin beta4 in healthy volunteers. Ann N Y Acad Sci. 2010;1194:223-229. | human trial |
| 1981 | TB-500 | Low TL, Hu SK, Goldstein AL. Complete amino acid sequence of bovine thymosin beta 4: a thymic hormone that induces terminal deoxynucleotidyl transferase activity in thymocyte populations. Proc Natl Acad Sci U S A. 1981;78(2):1162-1166. PMID: 6940133. (Discovery publication.) PMID 6940133 | mechanism / discovery |
| 2025 | TB-500 | WADA. 2025 Prohibited List. Section S2 — Peptide hormones, growth factors, related substances and mimetics. World Anti-Doping Agency. Thymosin β4 and derivatives prohibited since 2011. | regulatory / registry |
| 2025 | TB-500 | FDA. Bulk Drug Substances That Raise Significant Safety Risks (Category 2) under Section 503A / 503B. FDA.gov. Updated 2025. | regulatory / registry |
| 2015 | TB-500 | Sosne G, Kleinman HK. Primary Mechanisms of Thymosin β4 Repair Activity in Dry Eye Disorders and Other Tissue Injuries. Invest Ophthalmol Vis Sci. 2015;56(9):5110-5117. PMID: 26241398. PMID 26241398 | research article |
| 2012 | TB-500 | Goldstein AL, Hannappel E, Sosne G, Kleinman HK. Thymosin β4: a multi-functional regenerative peptide. Basic properties and clinical applications. Expert Opin Biol Ther. 2012;12(1):37-51. PMID: 22074294. PMID 22074294 | research article |
| 2011 | TB-500 | Smart N, Bollini S, Dubé KN, Vieira JM, Zhou B, Davidson S, Yellon D, Riegler J, Price AN, Lythgoe MF, Pu WT, Riley PR. De novo cardiomyocytes from within the activated adult heart after injury. Nature. 2011;474(7353):640-644. PMID: 21654746. PMID 21654746 | research article |
| 2010 | TB-500 | Sosne G, Qiu P, Goldstein AL, Wheater M. Biological activities of thymosin beta4 defined by active sites in short peptide sequences. FASEB J. 2010;24(7):2144-2151. PMID: 20179146. PMID 20179146 | research article |
| 2010 | TB-500 | Crockford D, Turjman N, Allan C, Angel J. Thymosin beta4: structure, function, and biological properties supporting current and future clinical applications. Ann N Y Acad Sci. 2010;1194:179-189. PMID: 20536465. PMID 20536465 | research article |
Related pair pages
More research context
Frequently asked
Have CJC-1295 and TB-500 been studied together?
Researchers have published mechanistic-level co-administration discussion of CJC-1295 and TB-500. 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 TB-500 share?
CJC-1295 and TB-500 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 TB-500?
CJC-1295: Not approved. TB-500: Category 2; RGN-259 Phase 3. 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 TB-500?
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 TB-500 profile. The Kalios Stack Research Tool hub lists every compound covered.
Last updated: April 2026