🏛️ Verified NIH Record • Updated 2026-08-17

A 2x2 Factorial, Randomized, Open-label Trial to Evaluate Neuromodulators and Cough Control Therapy in Patients With Refractory or Unexplained Chronic Cough (NCT07288528)

A 2x2 Factorial, Randomized, Open-label Trial to Evaluate Neuromodulators and Cough Control Therapy in Patients With Refractory or Unexplained Chronic Cough (FORTITUDE)

🟡 Not Yet Recruiting Phase4 💊 Investigational Drug / Biologic Sponsor: McMaster University

🩺 Plain-English Summary (8th-Grade Level)

The FORTITUDE trial will provide head-to-head evidence on the benefits and harms of two commonly prescribed neuromodulators (low-dose morphine and pregabalin), the effectiveness of a virtual cough control therapy, exploratory assessment of potential synergy in combining these interventions, and the long-term outcomes of these treatments in patients with refractory or unexplained chronic cough.

Who can join: Review the eligibility criteria below.

Location: Respiratory Clinical Trials Centre, University of Calgary — Calgary, Alberta

Age range: 18 Years

📋 "Do I Qualify?" — 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria ↗

📍 All Participating Trial Locations (5 Sites)

  • Respiratory Clinical Trials Centre, University of Calgary — Calgary, Alberta
  • Respiratory Research Lab, McMaster University — Hamilton, Ontario
  • St Joseph's Health Care London — London, Ontario
  • Institut universitaire de cardiologie et de pneumologie de Quebec - University Laval — Québec, Quebec
  • Centre de recherche du Centre Hospitalier Universitaire de Sherbrooke — Sherbrooke, Quebec

📞 Contact the Study Coordinator

Phone: (905) 521-2100

Email: satiai@mcmaster.ca

Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.

💰 Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

Explore by condition: All Cough clinical trials

💡 How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Contact the study coordinator using the phone/email above.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
🏛️ View Official NIH Record ↗