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Introduction Sexual dysfunctions are annoying health problems with the erectile problems forming the main part of them. Erectile dysfunction (ED) is defined as the persistent inability to obtain or maintain an erection that is sufficient to allow satisfactory sexual intercourse.[1] Aim of Work To evaluate the role of L-arginine monotherapy versus Tadalafil monotherapy versus their combination for the treatment of erectile dysfunction .
Patients and methods:
Inclusion criteria:
• Naive ( not previously treated) male patient with mild to moderate ED according to SHIM Questionnaire.
Exclusion criteria:
Full description
Safety And Efficacy Of L-Arginine Monotherapy Versus Tadalafil Monotherapy Versus Their Combination In Men With Erectile Dysfunction; A Prospective Randomized Study
Introduction Sexual dysfunctions are annoying health problems with the erectile problems forming the main part of them. Erectile dysfunction (ED) is defined as the persistent inability to obtain or maintain an erection that is sufficient to allow satisfactory sexual intercourse.[1] It is difficult to obtain accurate values for the true prevalence of erectile dysfunction, as many patients fail to seek any medical attention The best available data according to the Massachusetts Male Aging Study indicates that 52% of males between 40 and 70 years of age are affected with erectile problems, and about 70% of males are having some subjective issues with erections at the age of 70 years.[2] Erection is a neurovascular event in which a key mediator is nitric oxide (NO). It has been shown that there is reduced NO bioactivity in ED.[3] Oral phosphodiesterase-5 inhibitors (PDE-5 inhibitors), such as sildenafil and Tadalafil, are usually the first-line treatment of erectile dysfunction. They are effective in a wide range of etiologies including cardiovascular disease, diabetes, and hypogonadism. They act by decreasing the degradation of cyclic GMP via phosphodiesterase inhibition, which increases the relaxation of cavernosal smooth muscle and cavernosal arterial blood flow. It is important to note that PDE-5 inhibitors do not initiate the erectile response. Sexual stimulation is required to release nitric oxide from the vascular endothelium and penile nerve endings to commence the erectile process. PDE-5 inhibitors are highly effective and have an overall success rate of up to 76%.[4]
As L-arginine is a natural precursor of NO and its good availability is understood to have positive effect on NO production. Data regarding the pattern of use of L-arginine for sexual problems, which is considered one of the more widely used alternatives or adjuncts to regular drugs used in the patients of ED.[5] Aim of Work To evaluate the role of L-arginine monotherapy versus Tadalafil monotherapy versus their combination for the treatment of erectile dysfunction .
Patients and methods This clinical prospective study will be carried out on patients attending urology clinic in Fayoum University Hospital with ED
Sample size :
Inclusion criteria:
• Naive ( not previously treated) male patient with mild to moderate ED according to SHIM Questionnaire.
Exclusion criteria:
Group (1) was given daily 3 g(three divided doses) oral tablets of L-arginine for eight weeks.
Group (2) was given daily 5 mg oral tablets of Tadalafil for eight weeks. Group (3) was given daily 3 g oral tablets of L-arginine and 5 mg oral tablets of Tadalafil for eight weeks.
Patients were advised to practice intercourse twice to three times weekly. They were assessed before and after eight weeks of treatment Pretreatment assessment
After 12 hours of fasting, venous blood samples were drawn from all included patients before and at the end of eight weeks of treatment for total serum testosterone assessments between 8.00 and 12.00 am.
• Penile ultrasonography: Shear Wave Elastography (SWE): is a current radiologic modality can measure biologic tissue elasticity and gives elastogram which superimposed on the B-mode ultrasound which expresses tissue stiffness in numbers(kpasc)
Follow up assessment:
Statistical analysis Data from the 3 groups will be collected, compared and statistically analyzed.
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● Kidney disease or liver failure
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180 participants in 3 patient groups
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Data sourced from clinicaltrials.gov
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