Vascular regenerative therapies for the treatment of erectile dysfunction: current approaches.

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

The pharmacological treatment of erectile dysfunction (ED) is mainly represented by the administration of inhibitors of phosphodiesterase-5 (PDE5). However, in the clinical practice many patients do not benefit from such a treatment, hence the scientific interest extends to other therapeutic strategies; in particular, to the vascular regenerative therapy. This review describes the main acquisitions related to this approach represented by the mesenchymal stem cell or adipose tissue stem cell transplantation and endothelial nitric oxide synthase or vascular endothelial growth factor gene therapy. Moreover, there are other two aspects of wide interest represented by the potential vascular regenerative effects exerted by the PDE5 inhibitors and the therapeutic strategies for a category of patients who more frequently do not respond to the conventional treatment for ED, the patients with diabetes mellitus.

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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