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Tachycardia-Induced Cardiomyopathy As a Chronic Heart Failure Model in Swine
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Testosterone Replacement Therapy in Deficient Patients With Chronic Heart Failure: A Randomized Double-Blind
Marina Navarro-Peñalver1, M Teresa Perez-Martinez1, Manuel Gómez-Bueno2,3
11 Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, Spain.
Journal of Cardiovascular Pharmacology and Therapeutics
|June 23, 2018
Summary
Testosterone replacement therapy did not improve symptoms or exercise capacity in men with heart failure and low testosterone. This study found no significant clinical benefits despite increased testosterone levels.
Area of Science:
- Cardiology
- Endocrinology
- Clinical Trials
Background:
- Testosterone deficiency is linked to worsening heart failure (HF) and poorer outcomes.
- Testosterone therapy may enhance exercise capacity in chronic HF patients.
Purpose of the Study:
- To evaluate the efficacy of testosterone replacement in males with chronic heart failure with reduced ejection fraction (HFrEF) and confirmed testosterone deficiency.
Main Methods:
- A 12-month, randomized, double-blind, placebo-controlled trial involving 29 male patients with HFrEF and testosterone deficiency.
- Participants received either intramuscular testosterone undecanoate (1000 mg) or placebo every 3 months alongside optimal medical therapy.
Main Results:
- Testosterone replacement successfully increased testosterone levels (P = .002) after 12 months.
- No significant improvements were observed in clinical symptoms, functional capacity (NYHA class, 6-minute walk test), LVEF, or NT-proBNP levels.
- No significant side effects or changes in other biomarkers were noted.
Conclusions:
- Testosterone replacement therapy showed no significant clinical benefit for patients with HFrEF and testosterone deficiency.
- Further research may be needed to explore potential benefits in specific subgroups or with different therapeutic approaches.
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