Status:

NOT_YET_RECRUITING

Central Apnea in Heart Failure: Physiological Mechanisms to Inform Treatment

Lead Sponsor:

VA Office of Research and Development

Conditions:

Sleep Disordered Breathing

Able Bodied

Eligibility:

All Genders

18+ years

Phase:

PHASE4

Brief Summary

Central sleep apnea (CSA) is common in patients with heart failure and those using opioid analgesics. Unfortunately, effective treatment of central apnea remains elusive, pressure therapy given the mo...

Detailed Description

The objective in this project is to test mechanistic pathways to inform future clinical studies investigating the potential treatment of central sleep apnea (CSA) in Veterans with heart failure and re...

Eligibility Criteria

Inclusion

  • Men and Women Veterans with central sleep apnea, defined as Apnea Hypopnea Index (AHI)\>15/hour with CAHI\>5/hour, will be included with the experiments.
  • Those with chronic, stable heart failure with reduced ejection fraction, receiving stable optimized guideline-based therapy and no hospitalizations or change in the medical regimen for the past 90 days before enrollment.

Exclusion

  • less than 18 years old
  • pregnant or breastfeeding females
  • moderate or severe obstructive or restrictive lung disease, including supplemental o2 use
  • current treatment for CSA, including any form of PAP in the past three months, or phrenic nerve situation.
  • too ill to engage in the study procedures, inability to provide consent for participation.
  • a history of cardiac arrhythmia
  • Alcohol or substance abuse (less than 90 days sobriety) or current participation in a treatment program
  • depression or a history of suicidality
  • severe insomnia (ISI\>21) or reported short sleep duration (\<6 hours)
  • PAP-emergent central sleep apnea
  • Lack of PAP acceptance/adherence after a one-week home PAP trial after enrollment.
  • Additional Trazodone Exclusions:
  • Prolonged QT on baseline ECG, using medications that inhibit CYP3A4
  • Patients with severe renal impairment (GFR \< 20ml/min/1.73m2) or end-stage renal disease

Key Trial Info

Start Date :

October 1 2026

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 31 2030

Estimated Enrollment :

200 Patients enrolled

Trial Details

Trial ID

NCT07210606

Start Date

October 1 2026

End Date

December 31 2030

Last Update

January 7 2026

Active Locations (1)

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Page 1 of 1 (1 locations)

1

John D. Dingell VA Medical Center, Detroit, MI

Detroit, Michigan, United States, 48201-1916