Myolex
Brookline, US · Founded 2009 · 8 employees on LinkedIn · 1 known investors
Myolex develops a portable, non-invasive muscle assessment device based on electrical impedance myography (EIM) that measures single-muscle composition and structure to aid diagnosis, prognosis, and treatment monitoring of neuromuscular and musculoskeletal diseases such as ALS. It serves clinicians, researchers, and pharmaceutical companies, with applications in clinical trials and at-home patient monitoring.
Founders & leadership
Myolex was founded in 2009 by Seward Rutkove.

Investors · 1
Competitors · 2
by search overlapCompanies competing with Myolex for the same Google search keywords, organic and paid, via search-intersection analysis.
Non-dilutive funding · 14 SBIR/STTR awards
Federal grants — no equity taken| Agency | Phase | Year | Amount |
|---|---|---|---|
| National Institutes of Health (NIH)National Institutes of Health | Phase II | 2022 | $1.8M |
| National Institutes of Health (NIH)National Institutes of Health | Phase II | 2021 | $1.7M |
| National Institutes of Health (NIH)National Institutes of Health | Phase II | 2019 | $1.5M |
| National Institutes of Health (NIH)National Institutes of Health | Phase II | 2018 | $1.5M |
| National Institutes of Health (NIH)National Institutes of Health | Phase ISTTR | 2018 | $225K |
| National Institutes of Health (NIH)National Institutes of Health | Phase I | 2018 | $225K |
| National Institutes of Health (NIH)National Institutes of Health | Phase I | 2017 | $150K |
| National Institutes of Health (NIH)National Institutes of Health | Phase II | 2014 | $1.5M |
| National Institutes of Health (NIH)National Institutes of Health | Phase ISTTR | 2014 | $225K |
| National Institutes of Health (NIH)National Institutes of Health | Phase II | 2013 | $1.1M |
| National Institutes of Health (NIH)National Institutes of Health | Phase II | 2012 | $1.7M |
| National Institutes of Health (NIH)National Institutes of Health | Phase I | 2011 | $289.9K |
| National Science Foundation | Phase I | 2011 | $150K |
| National Institutes of Health (NIH)National Institutes of Health | Phase I | 2010 | $220.6K |
Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.
In the news
Frequently asked questions
- What does Myolex do?
- Myolex develops a portable, non-invasive muscle assessment device based on electrical impedance myography (EIM) that measures single-muscle composition and structure to aid diagnosis, prognosis, and treatment monitoring of neuromuscular and musculoskeletal diseases such as ALS. It serves clinicians, researchers, and pharmaceutical companies, with applications in clinical trials and at-home patient monitoring.
- Who founded Myolex?
- Myolex was founded by Seward Rutkove in 2009.
- Who are Myolex's investors?
- Myolex's investors include Nautilus Ventures Management Company (Us), Llc.
- Where is Myolex headquartered?
- Myolex is headquartered in Brookline, US.

