Cilostazol for HFpEF

NCT ID: NCT05126836

Last Updated: 2023-12-15

Study Results

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

25 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-09-01

Study Completion Date

2022-07-01

Brief Summary

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Determine if cilostazol improves symptoms and NTproBNP levels (heart failure blood marker) in heart failure with preserved ejection fraction (HFpEF) - a prevalent syndrome without targeted evidence-based treatment.

This will be assessed in a prospective 1-month single blinded study with 2 cross-overs n-of-1 study design with placebo and cilostazol

Detailed Description

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Heart failure (HF) is the #1 reason for hospital admissions. About half of the patients with HF have a preserved ejection fraction (HFpEF). There is no targeted evidence-based treatment for HFpEF. We recently reported that elevating the heart rate with pacemakers conveys clinical benefits e.g. reduction in heart failure symptoms, lowering filling pressures and an increase in walk distance. Cilostazol is a PDE3 inhibitor that increases the heart rate by about 5-8 beats per minute and has other potentially beneficial HFpEF effects such as peripheral vasodilation, lusitropic effects and dromotropic effects. By activating proteinkinase A, cilostazol may also phosphorylate titin, which may reduce myocardial stiffness.

n-of-1 study design using the standard dose cilostazol formulation of 100mg twice a day approved for peripheral vascular disease. The investigators and patients are blinded. The patients serve as their own controls with two crossovers (Week 1: cilostazol or placebo - Week 2: placebo or cilostazol - Week 3: cilostazol or placebo - Week 4: placebo or cilostazol).

Conditions

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Heart Failure With Preserved Ejection Fraction

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

n-of-1 design
Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Cilostazol

First week, Cilostazol 100mg twice a day

Second week, Placebo twice a day

Third week, Cilostazol 100mg twice a day

Forth week, Placebo twice a day

Group Type OTHER

Cilostazol 100Mg Tab

Intervention Type DRUG

Cilostazol Twice a Day

Placebo

Intervention Type DRUG

Placebo

Placebo

First week, Placebo twice a day

Second week, Cilostazol 100mg twice a day

Third week, Placebo twice a day

Forth week, Cilostazol 100mg twice a day

Group Type OTHER

Cilostazol 100Mg Tab

Intervention Type DRUG

Cilostazol Twice a Day

Placebo

Intervention Type DRUG

Placebo

Interventions

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Cilostazol 100Mg Tab

Cilostazol Twice a Day

Intervention Type DRUG

Placebo

Placebo

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* \>18 yrs
* LVEF ≥ 50% (on last assessment, \<2 years)
* Diagnosis of HFpEF or Shortness of breath with NYHA Class ≥ 2 and one of the following:

1. pulmonary edema on chest imaging or documented on exam or on loop diuretics
2. NTproBNP \>400 ng/ml in the last 24 months
3. HFpEF\>50% hospitalization in the last 3 years
4. Qualitative echo: \> mild diastolic dysfunction on echo report and \> mild left ventricular hypertrophy and left atrial dilation or quantitative echo: left ventricular hypertrophy \[men ≥115 g/m², women ≥95 g/m² or relative wall thickness \>0.42 or any LV wall thickness \>1.2cm and has LA dilation (\>28ml/m2)

Exclusion Criteria

* \<18yo
* resting heart rate \>100/min
* patients with LVEF \<50%
* advanced end-stage heart failure,
* symptomatic COPD on home O2,
* uncontrolled severe HTN (SBP \>160/100 mmHg)
* patients with life expectancy \<6 months,
* end-stage liver cirrhosis,
* more than moderate valve disease,
* infiltrative myocardial disease
* constrictive pericarditis or myocarditis,
* patients unable to participate in follow up,
* pregnant patients or patients without reliable contraceptive agent for the duration of study participation),
* left ventricular outflow tract obstruction,
* bleeding dyscrasias, blood dyscrasias,
* Patients on oral ketoconazole, itraconazole, fluconazole, miconazole, fluvoxamine, fluoxetine, nefazodone, sertraline, erythromycin, clarithromycin or azithromycin
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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University of Minnesota

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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M Health Fairview

Minneapolis, Minnesota, United States

Site Status

Countries

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United States

References

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Aiad N, du Fay de Lavallaz J, Zhang MJ, Chaikijurajai T, Ye B, Nijjar PS, Lahiri JA, Martin CM, Alexy T, Meyer M. Cilostazol in patients with heart failure and preserved ejection fraction-The CLIP-HFpEF trial. ESC Heart Fail. 2025 Apr;12(2):1437-1446. doi: 10.1002/ehf2.15162. Epub 2024 Nov 17.

Reference Type DERIVED
PMID: 39552153 (View on PubMed)

Provided Documents

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Document Type: Study Protocol and Statistical Analysis Plan

View Document

Document Type: Informed Consent Form

View Document

Other Identifiers

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CV-2020-29436

Identifier Type: -

Identifier Source: org_study_id