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Thymosin Alpha-1 with Thymulin

Mechanism-tag overlap and published literature for Thymosin Alpha-1 and Thymulin, 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.

THYMOSIN ALPHA-1 THYMULIN 1 UNIQUE TAGS 1 UNIQUE TAGS 0 SHARED
Thymosin Alpha-1 unique endogenous-thymic-immunomodulator
Shared none
Thymulin unique thymic-hormone-zinc-dependent-nonapeptide

Co-administration notes from the literature

Verbatim summary text pulled from each compound's profile data. Researchers studying Thymosin Alpha-1 and Thymulin have published these mechanism-level observations. Not a co-administration recommendation.

Evidence level: mechanistic only

Different thymic peptide with complementary mechanism. Some research protocols layer the two for additive immune restoration in deeply immunodeficient subjects. Practitioner-level only.

Quick facts

Thymosin Alpha-1

RouteSubcutaneous
Half-life~2 hours (plasma)
FDA statusNot approved (US)
WADANot specifically named
Full Thymosin Alpha-1 profile →

Thymulin

RouteSubQ / IM (research)
Half-lifeMinutes (plasma)
FDA statusNot approved
WADANot specifically named (S2 umbrella possible)
Full Thymulin 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
2009Thymosin Alpha-1Zhang YY, Chen EQ, Yang J, Duan YR, Tang H. Treatment with thymosin alpha-1 for chronic hepatitis B: a meta-analysis. J Viral Hepat. 2009;16(6):448-458. PMID: 19243498. PMID 19243498meta-analysis
2013Thymosin Alpha-1Wu J, Zhou L, Liu J, Ma G, Kou Q, He Z, Chen J, Ou-Yang B, Chen M, Li Y, Wu X, Gu B, Chen L, Zou Z, Qiang X, Chen Y, Lin A, Zhang G, Guan X. The efficacy of thymosin alpha 1 for severe sepsis (ETASS): a multicenter, single-blind, randomized and controlled trial. Crit Care. 2013;… PMID 23327199human trial
2010Thymosin Alpha-1Maio M, Mackiewicz A, Testori A, Trefzer U, Ferraresi V, Jassem J, Garbe C, Lesimple T, Guillot B, Gascon P, Gilde K, Camerini R, Cognetti F; Italian Melanoma Intergroup. Large randomized study of thymosin alpha 1, interferon alfa, or both in combination with dacarbazine in pati… PMID 20194853human trial
2005Thymosin Alpha-1Iino S, Toyota J, Kumada H, Kiyosawa K, Kakumu S, Sata M, Suzuki H, Martins EB. The efficacy and safety of thymosin alpha-1 in Japanese patients with chronic hepatitis B; results from a randomized clinical trial. J Viral Hepat. 2005;12(3):300-306. PMID: 15850471. PMID 15850471human trial
1998Thymosin Alpha-1Chien RN, Liaw YF, Chen TJ, Yeh CT, Sheen IS. Efficacy of thymosin alpha1 in patients with chronic hepatitis B: a randomized, controlled trial. Hepatology. 1998;27(5):1383-1387. PMID: 9581695. PMID 9581695human trial
1989Thymosin Alpha-1Gravenstein S, Duthie EH, Miller BA, Roecker E, Drinka P, Prathipati K, Ershler WB. Augmentation of influenza antibody response in elderly men by thymosin alpha one. A double-blind placebo-controlled clinical study. J Am Geriatr Soc. 1989;37(1):1-8. PMID: 2642485. PMID 2642485human trial
2008Thymosin Alpha-1Poo JL, Sánchez Ávila F, Kershenobich D, García Samper X, Torres-Ibarra R, Gongora J, Cano C, Parana R, Wiegand J, Schiff E, Rodriguez V, Uribe M. Triple combination of peginterferon alpha-2a, ribavirin and thymosin alpha-1 as rescue therapy for non-responders and relapsers to p… PMID 19034240human study
2003Thymosin Alpha-1Saruc M, Ozden N, Turkel N, Ayhan S, Hock LM, Tuzcuoglu I, Yuceyar H. Long-term outcomes of thymosin-alpha 1 and interferon alpha-2b combination therapy in patients with hepatitis B e antigen (HBeAg) negative chronic hepatitis B. J Pharm Sci. 2003;92(7):1386-1395. PMID: 12820143. PMID 12820143human study
1977Thymosin Alpha-1Goldstein AL, Low TL, McAdoo M, McClure J, Thurman GB, Rossio J, Lai CY, Chang D, Wang SS, Harvey C, Ramel AH, Meienhofer J. Thymosin α1: isolation and sequence analysis of an immunologically active thymic polypeptide. Proc Natl Acad Sci USA. 1977;74(2):725-729. PMID: 265536. PMID 265536mechanism / discovery
2017Thymosin Alpha-1Matteucci C, Grelli S, Balestrieri E, Minutolo A, Argaw-Denboba A, Macchi B, Sinibaldi-Vallebona P, Perno CF, Mastino A, Garaci E. Thymosin alpha 1 and HIV-1: recent advances and future perspectives. Future Microbiol. 2017;12:141-155. PMID: 28004573. PMID 28004573review
2015Thymosin Alpha-1Camerini R, Garaci E. Historical review of thymosin α 1 in infectious diseases. Expert Opin Biol Ther. 2015;15 Suppl 1:S117-127. PMID: 26098874. PMID 26098874review
2019Thymosin Alpha-1Liu Y, Pan Y, Hu Z, Wu M, Wang C, Feng Z, Mao C, Tan Y, Liu Y, Chen L, Li M, Wang G, Yuan Z, Diao B, Wu Y, Chen Y. Thymosin alpha 1 reduces the mortality of severe coronavirus disease 2019 by restoration of lymphocytopenia and reversion of exhausted T cells. Clin Infect Dis. 202… PMID 32442267research article
2013ThymulinMocchegiani E, Romeo J, Malavolta M, Costarelli L, Giacconi R, Diaz LE, Marcos A. Zinc: dietary intake and impact of supplementation on immune function in elderly. Age (Dordr). 2013;35(3):839-860. PMID: 22223033. PMID 22223033human study
1995ThymulinHadden JW. The treatment of zinc deficiency is an immunotherapy. Int J Immunopharmacol. 1995;17(9):697-701. PMID: 8582785. PMID 8582785human study
2007ThymulinGoya RG, Reggiani PC, Vesenbeckh SM, et al. Thymulin gene therapy prevents the reduction in circulating gonadotropins induced by thymulin deficiency in mice. Am J Physiol Endocrinol Metab. 2007;293(1):E182-E187. PMID: 17374695. PMID 17374695preclinical, in vivo
2006ThymulinReggiani PC, Hereñú CB, Rimoldi OJ, et al. Gene therapy for long-term restoration of circulating thymulin in thymectomized mice and rats. Gene Ther. 2006;13(15):1214-1221. PMID: 16645618. PMID 16645618preclinical, in vivo
1996ThymulinSafieh-Garabedian B, Poole S, Allchorne A, Kanaan S, Saadé NE, Woolf CJ. Zinc reduces the hyperalgesia and upregulation of NGF and IL-1β produced by peripheral inflammation in the rat. Neuropharmacology. 1996;35(5):599-603. PMID: 8887968. PMID 8887968preclinical, in vivo
1993ThymulinAliev M, et al. Restorative effect of short term administration of thymulin on thymus-dependent antibody production in restraint-stressed mice. Immunopharmacol Immunotoxicol. 1993;15(4):369-378. PMID: 8407057. PMID 8407057preclinical, in vivo
1975ThymulinBach JF, Dardenne M, Pleau JM, Bach MA. Isolation, biochemical characteristics, and biological activity of a circulating thymic hormone in the mouse and in the human. Ann N Y Acad Sci. 1975;249:186-210. PMID: 1093427. PMID 1093427preclinical, in vivo
2003ThymulinKhavinson VKh, Morozov VG. Peptides of pineal gland and thymus prolong human life. Neuro Endocrinol Lett. 2003;24(3-4):233-240. PMID: 14523363. PMID 14523363bioregulator literature
2014ThymulinReggiani PC, Schwerdt JI, Console GM, Roggero EA, Dardenne M, Goya RG. Physiology and therapeutic potential of the thymic peptide thymulin. Curr Pharm Des. 2014;20(29):4690-4696. PMID: 24588820. PMID 24588820research article
1998ThymulinBrown OA, Sosa YE, Bolognani F, Goya RG. Thymulin stimulates prolactin and thyrotropin release in an age-related manner. Mech Ageing Dev. 1998;104(3):249-262. PMID: 9818732. PMID 9818732research article
1992ThymulinHadden JW, Malec PH, Coto J, Hadden EM. Thymic involution in aging. Prospects for correction. Ann N Y Acad Sci. 1992;673:231-239. PMID: 1485719. PMID 1485719research article
1988ThymulinPleau JM, Pasdeloup N, Dardenne M, Bach JF, et al. NMR study of a lymphocyte differentiating thymic factor. An investigation of the Zn(II)-nonapeptide complexes (thymulin). FEBS Lett. 1988;229(2):425-429. PMID: 3356698. PMID 3356698research article

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Frequently asked

Have Thymosin Alpha-1 and Thymulin been studied together?

Researchers have published mechanistic-level co-administration discussion of Thymosin Alpha-1 and Thymulin. 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 Thymosin Alpha-1 and Thymulin share?

Thymosin Alpha-1 and Thymulin 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 Thymosin Alpha-1 and Thymulin?

Thymosin Alpha-1: Not approved (US). Thymulin: Not approved. 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 Thymosin Alpha-1 and Thymulin?

Full citation lists, dosing tables from the literature, reconstitution data, and the FDA / WADA status are on the individual compound profiles: the Thymosin Alpha-1 profile and the Thymulin profile. The Kalios Stack Research Tool hub lists every compound covered.

Last updated: April 2026