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Phagenesis

Neurostimulation device for dysphagia treatment

Overview

Phagenesis develops the Phagenyx Neurostimulation System to treat neurogenic dysphagia in hospital and critical-care patients. The system delivers personalized electrical pulses to the pharynx via a nasally inserted catheter for 10 minutes daily over 3–6 days to retrain the brain's swallowing control. It consists of a reusable base station and single-use catheters and is sold to healthcare providers, targeting stroke and brain-injury patients to reduce hospital stays. Backed by University of Manchester research, it has FDA De Novo clearance (2022) and CE marking, with a goal of restoring safe swallowing and enabling decannulation.

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About Phagenesis

Simplify's Rating
Why Phagenesis is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Healthcare

Company Size

51-200

Company Stage

Growth Equity (Non-Venture Capital)

Total Funding

$84.5M

Headquarters

Manchester, United Kingdom

Founded

2007

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Simplify's take

What believers are saying

  • AHA/ASA's September 2026 guideline now recognizes PES for stroke rehabilitation and recovery.
  • Atlantic Health and Bon Secours added Phagenyx in 2026, showing U.S. hospital expansion.
  • April 2026 board addition of Medtronic veteran Stephen Oesterle supports commercialization and partnerships.

What critics are saying

  • Adoption stays inpatient-only, limiting volume and leaving hospitals to justify new workflows.
  • Guideline inclusion does not equal reimbursement; U.S. sales still depend on local protocol conversion.
  • If post-stroke dysphagia traction stalls, Phagenesis remains a niche device company with existential revenue risk.

What makes Phagenesis unique

  • Phagenyx is the only commercially available PES system for severe post-stroke dysphagia.
  • FDA De Novo clearance in 2022 and CE marking validate two major markets.
  • University of Manchester science plus 30 publications and nine randomized trials support the mechanism.

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Funding

Total Funding

$84.5M

Below

Industry Average

Funded Over

6 Rounds

Growth Equity Non VC funding comparison data is currently unavailable. We're working to provide this information soon!
Growth Equity Non VC Funding Comparison Coming Soon

Company News

PR Newswire
Apr 29th, 2026
Phagenesis appoints Medtronic veteran Stephen Oesterle to board amid US expansion

Phagenesis, a commercial-stage neuromodulation therapy company, has appointed Stephen N. Oesterle, MD, to its board of directors. Dr Oesterle previously served as senior vice president for medicine and technology at Medtronic for 14 years and currently sits on boards including Baxter and Peijia Medical. The appointment comes as Phagenesis accelerates US expansion of its Phagenyx System, which delivers pharyngeal electrical stimulation to treat swallowing disorders. The therapy recently gained inclusion in American Heart Association and American Stroke Association acute ischaemic stroke guidelines. Phagenesis's technology targets severe post-stroke dysphagia in the US and is CE-marked for neurogenic dysphagia in Europe. The company is backed by investors including EQT Life Sciences, Sectoral Asset Management and Northern Gritstone.

Blue Mountain Eagle
Apr 29th, 2026
Phagenesis appoints Stephen oesterle, MD, to Board of Directors.

Phagenesis appoints Stephen oesterle, MD, to Board of Directors. PR Newswire Today at 6:00am PDT MedTech Industry Veteran to Support Next Phase of U.S. Growth and Global Expansion NASHVILLE, Tenn., April 29, 2026 /PRNewswire/ - Phagenesis, a commercial-stage company pioneering neuromodulation therapies for swallowing disorders, today announced the appointment of Stephen N. Oesterle, MD, to its Board of Directors. Phagenesis adds former Medtronic executive to support next phase of U.S. and global expansion. Dr. Oesterle is a highly respected leader in the medical technology and life sciences industry, with decades of experience spanning clinical medicine, corporate strategy, and venture investing. He previously served as Senior Vice President for Medicine and Technology at Medtronic and was a member of the company's Executive Committee for 14 years, where he helped guide long-term innovation strategy and corporate investments. "Steve brings deep experience in medical technology across many applications, and he has experience from companies successfully navigating through critical stages of growth and value creation," said Oern Stuge MD, MBA, Chairman of the Board of Phagenesis. "He brings a rare combination of clinical insight, strategic perspective, and a track record of building category-defining technologies. His addition strengthens our Board and will be instrumental as Phagenesis continues to accelerate its next phase of U.S. growth and global expansion, executing on its long-term strategy." Dr. Oesterle currently serves on the boards of Baxter and Peijia Medical, as well as multiple private equity- and venture-backed healthcare companies, and advises leading global investment firms including EQT, Novo Holdings, Temasek, JP Morgan Life Sciences Private Capital and Patient Square Capital. He completed his residency at Massachusetts General hospital and pursued advanced fellowship training interventional cardiology at Stanford University, later serving on the faculties of both Stanford and Harvard Medical Schools. "I am excited to join the Phagenesis Board at a pivotal moment in the company's evolution," said Dr. Oesterle. "Phagenesis has built a strong clinical foundation and is addressing a significant unmet need in patient care. The opportunity to improve outcomes for patients with severe dysphagia while reducing the cost and complexity for healthcare systems is compelling. I look forward to supporting the team as they scale the business and expand its impact globally." The appointment comes as Phagenesis continues to build momentum in the U.S. market, supported by growing recognition of pharyngeal electrical stimulation (PES) as an effective and scalable intervention for severe dysphagia post stroke. Recent inclusion in the American Heart Association / American Stroke Association acute ischemic stroke guidelines further reinforces the role of PES as a clinically validated therapy with the potential to improve swallowing outcomes and reduce complications in stroke patients. "Steve's addition comes at an inflection point for Phagenesis," said Chad Hoskins, Chief Executive Officer of Phagenesis. "We are transitioning from early commercialization to broader adoption, with strong clinical momentum and increasing recognition of the need to treat dysphagia at its neurological root cause. His experience building and scaling innovative medical technologies will be critical as we accelerate U.S. expansion, deepen clinical adoption, and establish Phagenyx as a standard of care." ABOUT PHAGENESIS Phagenesis is a leading medical technology company developing breakthrough neuromodulation therapies for swallowing disorders. Its Phagenyx(R) System delivers pharyngeal electrical stimulation (PES) to restore safe and efficient swallowing by targeting the underlying neurological impairment. In the U.S., Phagenyx is indicated for severe post-stroke dysphagia, while in Europe, it is CE-marked for neurogenic dysphagia caused by a range of neurological conditions. The company is backed by leading healthcare investors EQT Life Sciences, Sectoral Asset Management, British Business Bank, Northern Gritstone and Aphelion. SOURCE Phagenesis This is a paid placement. For further inquiries, please contact PR Newswire directly.

The Business Desk
Mar 5th, 2024
MedTech raises £33m to build on expansion into US and Europe

As part of this funding transaction, Drew Burdon, Michael Sjöström and Mark Wyatt will join the Phagenesis board of directors.

UK Tech News
Mar 4th, 2024
Phagenesis raises £33m for device treating effects of brain injury

Manchester-based Phagenesis has raised £33.1m in funding for its medical device providing treatment for a common effect of brain injuries.

PR Newswire
Mar 4th, 2024
Phagenesis, a medical device company specializing in the treatment of swallowing disorders, successfully closes a $42M Series D financing round led by EQT Life Sciences and Sectoral Asset Management

/PRNewswire/ -- Phagenesis, a pioneering UK company which has developed a revolutionary neurostimulation system to treat swallowing dysfunction, has closed a...

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