Isomyosamine
Identifiers
3D model (JSmol)
ChemSpider
UNII
  • InChI=1S/C9H10N2/c1-3-8(7-10-5-1)9-4-2-6-11-9/h1,3,5-7,9H,2,4H2
    Key: GXTVPHUMJMZDSF-UHFFFAOYSA-N
  • C1CC(N=C1)C2=CN=CC=C2
Properties
C9H10N2
Molar mass 146.193 g·mol−1
Related compounds
Related compounds
 Myosmine
Nicotine
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Isomyosamine, also known as MyMD-1 or MYMD-1, is a synthetic derivative of tobacco plant alkaloids being developed as a metabolic- and immunomodulator by MyMD Pharmaceuticals. To date, isomyosamine has been shown to suppress the production of IFN-γ, IL-2, IL-10, and TNF-α, and decrease the severity of experimental thyroiditis in a murine model.[1] Trials in humans are being planned, and some are underway, examining the potential benefits of isomyosamine in autoimmune diseases such as rheumatoid arthritis, and in sarcopenia and frailty.[2]

MyMD Pharmaceuticals claim that MYMD-1 is not immunosuppressive, and thus should not be associated with the dangerous side effects such as infections that are seen in currently used TNF-α inhibitors such as adalimumab.[3] While it is true that there currently is no evidence of immunosuppression in isomyosamine recipients, this has not yet been tested in large clinical trials.

Scientific studies

Preclinical studies

One preliminary murine study comparing isomyosamine to rapamycin, the best-characterised drug slowing the progression of aging, reported an increase in lifespan in the isomyosamine cohort, indicating anti-aging activity. Isomyosamine's anti-proliferative effects were similar to those of rapamycin.[4]

Clinical trials

A phase I randomised double-blind placebo-controlled trial on healthy volunteers examining the safety and pharmacokinetic properties of different amounts of isomyosamine found no serious adverse events, but 3 cases of mild dysgeusia in the highest-dose (600 mg) cohort. A preliminary decrease in TNF-α levels was reported in the lowest-dose (150 mg) cohort, but not in the placebo cohort.[5]

References

  1. ↑ Di Dalmazi, Giulia; Chalan, Paulina; Caturegli, Patrizio (2019-03-01). "MYMD-1, a Novel Immunometabolic Regulator, Ameliorates Autoimmune Thyroiditis via Suppression of Th1 Responses and TNF-α Release". The Journal of Immunology. 202 (5): 1350–1362. doi:10.4049/jimmunol.1801238. ISSN 0022-1767. PMID 30674573. S2CID 59226562.
  2. ↑ "MyMD Pharmaceuticals® Provides Dosing Update on Phase 2 Multi-Center Clinical Trial of MYMD-1® as a Therapy for Delaying Aging and Extending Healthy Lifespan". MyMD. Retrieved 2023-08-13.
  3. ↑ "MYMD-1®". MyMD. Retrieved 2023-08-13.
  4. ↑ Sabini, Elena; O’Mahony, Alison; Caturegli, Patrizio (2023-02-24). Anderson, Rozalyn M (ed.). "MyMD-1 Improves Health Span and Prolongs Life Span in Old Mice: A Noninferiority Study to Rapamycin". The Journals of Gerontology: Series A. 78 (2): 227–235. doi:10.1093/gerona/glac142. ISSN 1079-5006. PMID 35914953.
  5. ↑ Brager, Jenna; Chapman, Chris; Dunn, Leonard; Kaplin, Adam (2022-11-11). "A Double-blind, Placebo-controlled, Randomized, Single Ascending, and Multiple Dose Phase 1 Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of Oral Dose Isomyosamine Capsules in Healthy Adult Subjects". Drug Research. 73 (2): 95–104. doi:10.1055/a-1962-6834. ISSN 2194-9379. PMC 9902179. PMID 36368677.
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