Heart Failure Clinical Trial
Official title:
N-of-1 Trials for Deprescribing Beta-blockers in HFpEF
Verified date | March 2024 |
Source | Weill Medical College of Cornell University |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
In this study, we will test the feasibility of N-of-1 trials for deprescribing beta-blockers in patients with Heart Failure with Preserved Ejection Fraction. To achieve this objective we will conduct 16 4-period N-of-1 trials (on vs. off) and subsequently interview participants to better understand feasibility and pragmatism. The N-of-1 trials will be iteratively refined in real-time based on this feedback.
Status | Completed |
Enrollment | 9 |
Est. completion date | April 28, 2023 |
Est. primary completion date | April 28, 2023 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 65 Years and older |
Eligibility | Inclusion Criteria: - Ambulatory adults =65 years of age with Heart Failure with Preserved Ejection Fraction (HFpEF) according to ACC/AHA guidelines: (signs and symptoms of Heart failure [HF] and ejection fraction [EF] =50%) - Taking Beta blocker Exclusion Criteria: - Alternate Causes of HFpEF Syndrome: 1. Severe valvular disease 2. Constrictive pericarditis 3. High output heart failure 4. Infiltrative cardiomyopathy - Other compelling indication for beta blocker: 1. Prior EF < 50% 2. Hypertrophic cardiomyopathy 3. Angina symptoms 4. Acute coronary syndrome, myocardial infarction or coronary artery bypass surgery in prior 3 year 5. History of ventricular tachycardia 6. Atrial arrhythmia with hospitalization for rapid ventricular response, prior 1 year 7. Sinus tachycardia > 100 beats per minute (bpm), atrial arrhythmia with ventricular rate >90 bpm, systolic blood pressure > 160 mmHg - Clinical instability (N-of-1 trials are appropriate for stable conditions only) 1. Decompensated HF 2. Hospitalized in past 30 days 3. Medication changes or procedures in prior 14 days (to prevent confounding from other interventions), at PI discretion - Estimated life expectancy <6 months - Moderate-severe dementia or psychiatric disorder precluding informed consent - Any condition that, in Principal Investigator's opinion, makes the patient unsuitable for study participation |
Country | Name | City | State |
---|---|---|---|
United States | Weill Cornell Medicine | New York | New York |
Lead Sponsor | Collaborator |
---|---|
Weill Medical College of Cornell University | National Institute on Aging (NIA) |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Features of a Feasible and Pragmatic Protocol for Deprescribing N-of-1 Trials in Patients With Heart Failure With Preserved Ejection Fraction, as Measured by Qualitative Interview | Qualitative interviews were conducted to assess the feasibility and acceptability of deprescribing N-of-1 trials and participant experiences. Directed content analysis methods were used to develop relevant categories and themes from interview transcript data. Transcripts were coded and analyzed by two team members, consulting additional members to establish consensus where needed. Inter-rater reliability between coders was established. | Baseline | |
Primary | Features of a Feasible and Pragmatic Protocol for Deprescribing N-of-1 Trials in Patients With Heart Failure With Preserved Ejection Fraction, as Measured by Qualitative Interview | Qualitative interviews were conducted to assess the feasibility and acceptability of deprescribing N-of-1 trials and participant experiences. Directed content analysis methods were used to develop relevant categories and themes from interview transcript data. Transcripts were coded and analyzed by two team members, consulting additional members to establish consensus where needed. Inter-rater reliability between coders was established. The outcome measure data is the cumulative count of subjects who identified categories and themes from interview transcript data collected during the span of the outcome measure time frame, up to 6 times over 36 weeks. | The maximum amount of time a subject could have been assessed for this outcome measure is 6 times across 36 weeks. This outcome was measured at each end of period visit (weeks 6, 12, 18, 24, 30) and at the end of intervention (weeks 12, 18, 24, 30, or 36) |
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