In 2010 the International Society of Sexual Medicine published its practice guideline for the diagnosis and treatment of premature ejaculation. This guideline was translated and adapted on a number of points by a committee consisting of members of two Dutch sexological societies, the 'WVSD' and the 'NVVS'. The most important subjects in this guideline are: (a) the case history is the most important diagnostic tool; (b) a physical examination is usually not necessary; (c) determination of the subtype of premature ejaculation can guide treatment; (d) pharmacotherapy alone is only applicable for primary premature ejaculation; (e) combination therapy is preferable for the secondary form of premature ejaculation, and pharmacotherapy is contraindicated for the other 2 subtypes.
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Domest Anim Endocrinol
January 2025
BIOFITER-IUCA, Universidad de Zaragoza, Facultad de Veterinaria, Miguel Servet 177, 50013 Zaragoza, Spain. Electronic address:
This review presents recent findings on the effect of melatonin on ram spermatozoa. This hormone regulates seasonal reproduction in the ovine species through the hypothalamic-pituitary-gonadal axis, but it also exerts direct effects on spermatogenesis, seminal quality and fertility. In the testis, melatonin stimulates blood flow to this organ, but it also appears to be involved in the differentiation of spermatogonial stem cells and the secretion of testosterone through the MT1 and MT2 receptors.
View Article and Find Full Text PDFDrug Deliv Transl Res
January 2025
Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410006, Hunan, China.
Dapoxetine hydrochloride tablets are the most commonly used drug for the treatment of premature ejaculation (PE). However, the tablets must be taken with water 1-3 h before sexual activity, which makes the medication intake conspicuous and inconvenient. This study aimed to develop taste-masked orodispersible films (ODFs) of dapoxetine hydrochloride using ion exchange resins.
View Article and Find Full Text PDFAAPS PharmSciTech
January 2025
Department of Dermatology, Venereology and Andrology, Faculty of Medicine, Assiut University, Assiut, Egypt.
The present work focuses on the production of sildenafil co-evaporates loaded emulgels as topical dosage forms for the treatment of premature ejaculation and erectile dysfunction. Topical administration of sildenafil citrate (SILD) co-evaporates is expected to improve the bioavailability profile of the drug and to avoid the severe side effects accompanying the traditional SILD dosage forms, especially for prohibited cardiovascular cases. Firstly, the solubility of SILD was improved via solid dispersion via co-evaporation technique using PEG-5KDa and PVP-K90 as hydrophilic carriers.
View Article and Find Full Text PDFSex Med
December 2024
Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei 230032, Anhui, China.
Background: While premature ejaculation (PE) can be divided into lifelong PE (LPE), acquired PE, natural variable PE (NPE), and subjective PE (SPE), there is no objective method to classify PE.
Aim: To determine the value of serum serotonin (5-HT), leptin, and norepinephrine (NE) levels in the classification of PE.
Methods: From July 2023 to July 2024, we recruited 150 participants and divided them into 4 groups: LPE (43 cases), NPE (32 cases), SPE (35 cases), and non-PE (40 cases) groups.
Andrology
January 2025
Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
Background: Although some studies have revealed the close relationship between leptin and premature ejaculation in clinical practice, whether and how leptin participates in the regulation of ejaculatory behaviors are still unknown.
Objective: To explore the role of leptin on ejaculatory behaviors and its underlying mechanism.
Materials And Methods: Copulation behavior tests were performed after acute and chronic leptin administration at peripheral and central levels.
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