Pair page
Cortagen with Dihexa
Mechanism-tag overlap and published literature for Cortagen and Dihexa, 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.
khavinson-cortical-neural-bioregulator
angiotensin-iv-analog-hgf-positive-modulatorpeptidomimetic
Co-administration notes from the literature
Verbatim summary text pulled from each compound's profile data. Researchers studying Cortagen and Dihexa have published these mechanism-level observations. Not a co-administration recommendation.
Dihexa is a non-Khavinson nootropic acting via hepatocyte growth factor (HGF) signaling. Mechanistically distinct; community protocols sometimes pair these for cognitive goals.
Quick facts
Cortagen
Dihexa
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 |
|---|---|---|---|
| 2021 | Cortagen | Khavinson VKh, Popovich IG, Linkova NS, Mironova ES, Ilina AR. Peptide Regulation of Gene Expression: A Systematic Review. Molecules. 2021;26(22):7053. PMID: 34834147. PMID 34834147 | systematic review |
| 2006 | Cortagen | Gumen AV, Kozinets IA, Shanin SN, Malinin VV, Rybakina EG. Production of lymphocyte-activating factors by mouse macrophages during aging and under the effect of short peptides. Bulletin of Experimental Biology and Medicine. 2006;142(3):360-362. PMID: 17266159. PMID 17266159 | preclinical, in vivo |
| 2016 | Cortagen | Linkova NS, Drobintseva AO, Orlova OA, Kuznetsova EP, Polyakova VO, Kvetnoy IM, Khavinson VKh. Peptide regulation of skin fibroblast functions during their aging in vitro. Bulletin of Experimental Biology and Medicine. 2016;161(1):175-178. PMID: 27259486. PMID 27259486 | preclinical, in vitro |
| 2011 | Cortagen | Fedoreyeva LI, Kireev II, Khavinson VKh, Vanyushin BF. Penetration of short fluorescence-labeled peptides into the nucleus in HeLa cells and the specific interaction of the peptides with deoxyribooligonucleotides and DNA in vitro. Biochemistry (Moscow). 2011;76(11):1210-1219. PM… PMID 22117548 | preclinical, in vitro |
| 2015 | Cortagen | Gromova OA, Torshin IYu, Kalacheva AG, et al. Cortexin: modern view on the mechanism of action. Neurology, Neuropsychiatry, Psychosomatics. 2015;7(1):88-95. (Russian-language review of Cortexin parent-extract mechanism and clinical use.) | mechanism / discovery |
| 2012 | Cortagen | Khavinson VKh, Solov'ev AIu, Zhilinskii DV. Molecular mechanism of the peptide regulation of gene expression: a review. Advances in Gerontology. 2012;25(3):447-456. PMID: 23289233. PMID 23289233 | mechanism / discovery |
| 2020 | Cortagen | Khavinson V, Linkova N, Diatlova A, Trofimova S. Peptide Regulation of Cell Differentiation. Stem Cell Reviews and Reports. 2020;16(1):118-125. PMID: 31813120. DOI: 10.1007/s12015-019-09938-8. PMID 31813120 | bioregulator literature |
| 2016 | Cortagen | Vanyushin BF, Khavinson VKh. Short Biologically Active Peptides as Epigenetic Modulators of Gene Activity. In: Epigenetics — A Different Way of Looking at Genetics. Springer, 2016. DOI: 10.1007/978-3-319-27186-6_5. | bioregulator literature |
| 2012 | Cortagen | Khavinson VKh, Linkova NS, Polyakova VO, Kheifets OV, Tarnovskaya SI, Kvetnoy IM. Peptides tissue-specifically stimulate cell differentiation during their aging. Bulletin of Experimental Biology and Medicine. 2012;153(1):148-151. PMID: 22808513. PMID 22808513 | bioregulator literature |
| 2010 | Cortagen | Anisimov VN, Khavinson VKh. Peptide bioregulation of aging: results and prospects. Biogerontology. 2010;11(2):139-149. PMID: 19633997. PMID 19633997 | bioregulator literature |
| 2005 | Cortagen | Khavinson VKh, Malinin VV. Gerontological Aspects of Genome Peptide Regulation. Karger Publishers, Basel, 2005. ISBN 3-8055-7903-3. | bioregulator literature |
| 2002 | Cortagen | Kolosova LI, Moiseeva AB, Turchaninova LN, Malinin VV, Polyakov EL, Nozdrachev AD, Khavinson VKh. The delayed effect of cortagen on the restoration of injured nerve function. Doklady Biological Sciences. 2002;384:183-184. PMID: 12375535. PMID 12375535 | bioregulator literature |
| 2024 | Dihexa | Athira Pharma, Inc. Topline Results from Phase 2/3 LIFT-AD Clinical Trial of Fosgonimeton for Mild-to-Moderate Alzheimer's Disease. Press release, late 2024. (NCT04488419 — primary endpoint not met.) | human trial, Phase 2 |
| 2023 | Dihexa | Athira Pharma, Inc. Results from SHAPE Phase 2 Clinical Trial of Fosgonimeton in Parkinson's Disease Dementia and Dementia with Lewy Bodies. Press release, December 2023. (NCT04831281.) | human trial, Phase 2 |
| 2022 | Dihexa | Athira Pharma, Inc. Topline Results from ACT-AD Phase 2 Proof of Concept Study of Fosgonimeton in Mild-to-Moderate Alzheimer's Disease. Press release, 2022. (NCT04491006.) | human trial, Phase 2 |
| — | Dihexa | Hua X, Church K, Walker W, L'Hostis P, Viardot G, Danjou P, Hendrix S, Moebius HJ. Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of the Positive Modulator of HGF/MET, Fosgonimeton, in Healthy Volunteers and Subjects with Alzheimer's Disease. (Fosgonimeton Phase 1… | human trial, Phase 1 |
| 2015 | Dihexa | Wright JW, Harding JW. The brain hepatocyte growth factor/c-Met receptor system: A new target for the treatment of Alzheimer's disease. J Alzheimers Dis. 2015;45(4):985-1000. PMID: 25649658. (Mechanistic review.) PMID 25649658 | human study |
| 2021 | Dihexa | Sun X, Deng Y, Liang J, Lin Y, Song J, Zhao S, Zhuang G, Jia Z. AngIV-Analog Dihexa Rescues Cognitive Impairment and Recovers Memory in the APP/PS1 Mouse via the PI3K/AKT Signaling Pathway. Brain Sci. 2021 Oct 28;11(11):1421. PMID: 34827487. (Independent Chinese group; APP/PS1 m… PMID 34827487 | preclinical, in vivo |
| 2025 | Dihexa | FDA. Bulk Drug Substances Nominated for Use in Compounding — 503A and 503B Categories. FDA.gov. Updated 2025–2026. | regulatory / registry |
| 2022 | Dihexa | Stem Cell Research & Therapy. Dihexa as adjunct in peripheral nerve repair. 2022 Apr 11;13(1):159. PMID: 35410439. PMCID: PMC8996222. PMID 35410439 | research article |
| 2015 | Dihexa | Wright JW, Kawas LH, Harding JW. The development of small molecule angiotensin IV analogs to treat Alzheimer's and Parkinson's diseases. Prog Neurobiol. 2015 Feb;125:26-46. PMID: 25455861. (Comprehensive Wright/Harding review.) PMID 25455861 | research article |
| 2015 | Dihexa | Uribe PM, Kawas LH, Harding JW, Coffin AB. Hepatocyte growth factor mimetic protects lateral line hair cells from aminoglycoside exposure. Front Cell Neurosci. 2015 Jan 28;9:3. PMID: 25674052. PMCID: PMC4309183. (Independent dihexa hair-cell preservation study.) PMID 25674052 | research article |
| 2015 | Dihexa | Siller R, Greenhough S, Naumovska E, Sullivan GJ. Small-molecule-driven hepatocyte differentiation of human pluripotent stem cells. Stem Cell Reports. 2015 May 12;4(5):939-52. PMID: 25937370. PMID 25937370 | research article |
| 2014 | Dihexa | Benoist CC, Kawas LH, Zhu M, Tyson KA, Stillmaker L, Appleyard SM, Wright JW, Wayman GA, Harding JW. The procognitive and synaptogenic effects of angiotensin IV-derived peptides are dependent on activation of the hepatocyte growth factor/c-Met system. J Pharmacol Exp Ther. 2014… PMID 25187433 | research article |
Related pair pages
More research context
Frequently asked
Have Cortagen and Dihexa been studied together?
Researchers have published mechanistic-level co-administration discussion of Cortagen and Dihexa. 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 Cortagen and Dihexa share?
Cortagen and Dihexa 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 Cortagen and Dihexa?
Cortagen: Not approved. Dihexa: Investigational / Research only. 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 Cortagen and Dihexa?
Full citation lists, dosing tables from the literature, reconstitution data, and the FDA / WADA status are on the individual compound profiles: the Cortagen profile and the Dihexa profile. The Kalios Stack Research Tool hub lists every compound covered.
Last updated: April 2026