deltatrials
Recruiting PHASE2 INTERVENTIONAL 5-arm NCT05110144

Efficacy of Two Doses of Duloxetine and Amitriptyline in Subjects With Refractory Chronic Cough (MACS-1)

A Randomized, Double-blind, Placebo-controlled, Dose-escalation Study Evaluating the Efficacy of Two Doses of Duloxetine & Amitriptyline in Subjects With Refractory Chronic Cough

Sponsor: Mayo Clinic

Updated 8 times since 2021 Last updated: Jan 19, 2026 Started: Nov 1, 2021 Primary completion: Dec 31, 2026 Completion: Dec 31, 2026
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE2 clinical study on Refractory Chronic Cough, this trial is actively recruiting participants. The trial is conducted by Mayo Clinic and has accumulated 8 data snapshots since 2021. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Dec 2021 – ~Dec 2022 · 12 months · monthly snapshotRecruiting~Dec 2022 – ~Mar 2023 · 3 months · monthly snapshot~Mar 2023 – ~May 2024 · 14 months · monthly snapshotRecruiting~May 2024 – ~Jul 2024 · 2 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~May 2025 · 8 months · monthly snapshotRecruiting~May 2025 – ~Feb 2026 · 9 months · monthly snapshotRecruiting~Feb 2026 – present · 5 months · monthly snapshotRecruiting

Change History

8 versions recorded
  1. Feb 2026 — Present [monthly]

    Recruiting PHASE2

  2. May 2025 — Feb 2026 [monthly]

    Recruiting PHASE2

  3. Sep 2024 — May 2025 [monthly]

    Recruiting PHASE2

  4. Jul 2024 — Sep 2024 [monthly]

    Recruiting PHASE2

  5. May 2024 — Jul 2024 [monthly]

    Recruiting PHASE2

Show 3 earlier versions
  1. Mar 2023 — May 2024 [monthly]

    Recruiting PHASE2

  2. Dec 2022 — Mar 2023 [monthly]

    Recruiting PHASE2

  3. Dec 2021 — Dec 2022 [monthly]

    Recruiting PHASE2

    First recorded

Nov 2021

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Mayo Clinic
Data source: Mayo Clinic

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations