Unlabelled: Phosphodiesterase type 5 Inhibitors, such as sildenafil, vardenafil and tadalafil have been increasingly used today and some of the users have developed sudden sensorineural hearing loss.
Objective: To present two patients with sudden deafness developed after an occasional use of the drug and review studies on the use of phosphodiesterase type 5 inhibitors and sudden hearing loss.
Method: Analytical study of two cases and review of the subject matter in the Pubmed/Medline and Bireme databases using the keywords: phosphodiesterase type 5 inhibitors and sudden deafness and its correlates in the English language.
Results: The patients analyzed are young without additional disorders, using phosphodiesterase type 5 inhibitors, and after combination treatment for sudden hearing loss only one had hearing improvement. We found nine scientific studies and reviewed preclinical studies, clinical trials, prospective and cross-sectional investigations.
Conclusion: Increased occurrence in clinical practice and scientific reports in the literature suggest that the phosphodiesterase type 5 inhibitors are considered a risk factor for sudden deafness. Further studies with larger samples and control groups are needed for better assessing this association.
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http://dx.doi.org/10.5935/1808-8694.20130133 | DOI Listing |
J Comput Chem
January 2025
Centre for Inflammation, Centenary Institute and University of Technology Sydney, Faculty of Science, School of Life Sciences, Sydney, New South Wales, Australia.
Phosphodiesterase 5 (PDE5) inhibitors have shown great potential in treating Alzheimer's disease by improving memory and cognitive function. In this study, we evaluated fluspirilene, a drug commonly used to treat schizophrenia, as a potential PDE5 inhibitor using computational methods. Molecular docking revealed that fluspirilene binds strongly to PDE5, supported by hydrophobic and aromatic interactions.
View Article and Find Full Text PDFJ Agric Food Chem
January 2025
Key Laboratory of Industrial Fermentation Microbiology (Ministry of Education), Tianjin University of Science & Technology, Tianjin 300457, People's Republic of China.
J Chin Med Assoc
January 2025
Department and Institute of Pharmacology, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC.
Tadalafil is a selective phosphodiesterase type 5 (PDE5) inhibitor commonly used for the treatment of erectile dysfunction and benign prostatic hyperplasia. Its mechanism of action involves the inhibition of PDE5, leading to increased levels of nitric oxide and cyclic guanosine monophosphate in the corpus cavernosum, which facilitates smooth muscle relaxation. This article reviews studies using tadalafil in the treatment of cardiovascular diseases and emphasizes its potential advantages in conditions such as pulmonary arterial hypertension, atherosclerosis, coronary artery disease, myocardial infarction, heart failure, stroke, diabetic ulcers, and cardiomyopathy.
View Article and Find Full Text PDFThe main treatment of patients with chronic thromboembolic pulmonary hypertension (CTEPH) is radical surgery, pulmonary thromboendarterectomy (PEA). However, about 40% of patients with CTEPH are inoperable due to distal pulmonary vascular lesions or the severity of hemodynamic disorders. Almost 30% of patients with CTEPH experience persistent or recurrent pulmonary hypertension after surgery, that requires a drug treatment with PAH-specific drugs.
View Article and Find Full Text PDFInt J Biol Macromol
January 2025
Center for Mitochondria and Healthy Aging, School of Life Sciences, Yantai University, Yantai 264005, China; College of Life Sciences, Yantai University, Yantai 264005, Shandong, China. Electronic address:
Erectile dysfunction (ED) is a male sexual disorder mainly caused by a reduction in the cellular concentration of cyclic guanosine monophosphate (cGMP), which is degraded by phosphodiesterase type-5 (PDE-5). Oyster protein (OP) and its hydrolysates have been used for centuries to address male erectile dysfunction, however the mechanisms and evidence supporting their efficacy remain unclear. In this study, OP was hydrolyzed using trypsin to produce peptides that inhibit PDE-5.
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