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Repurposing a Histamine Antagonist to Benefit Patients With Pulmonary Hypertension — REHAB-PH  

Pulmonary Arterial Hypertension Clinical Trial

Official title:
Repurposing a Histamine Antagonist to Benefit Patients With Pulmonary Hypertension

Clinical Trial Summary

This is a Phase 2, single-center, randomized placebo controlled trial of famotidine (an H2 receptor antagonist) in adults with pulmonary arterial hypertension. The study will evaluate the safety and clinical efficacy of a 24-week course of famotidine.

Clinical Trial Description

Pulmonary arterial hypertension (PAH) is one of many conditions that put stress and strain on the right side of the heart. This stress and strain can cause right heart failure. Although there are medications to treat PAH, there are currently no medications that act directly on the heart to improve right heart function. This is different than left heart failure where one of the cornerstones of treatment is medication targeted at the heart to improve left heart function. Famotidine is a well-tolerated, over-the-counter, and inexpensive medication. Preliminary results suggest that famotidine may help the right heart to adapt and strengthen when stressed instead of fail; however, these results are suggestive and not definitive. A randomized controlled trial is required to evaluate the possibility that famotidine can impact right heart function. Participants in the study will take famotidine or placebo for 24 weeks. They will have three study visits at 0, 12, and 24 weeks. These visits will add 20-30 minutes to the standard clinic visits at those time points and there will be an echocardiogram at weeks 0 and 24. There will also be one phone visit at 4 weeks to check-in. Some participants may elect to participate in exercise testing and/or right heart catheterization at weeks 0 and 24; however, this is not required to participate in the trial. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03554291
Study type Interventional
Source University of Washington
Contact
Status Completed
Phase Phase 2
Start date May 1, 2019
Completion date July 11, 2023
View Details
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