title: [Prolonged use of moxisylyte chlorhydrate (Icavex) by intracavernous self-injections in the treatment of impotence. Evaluation of long-term tolerance].
abstract: Moxisylyte chlorhydrate is a selective alpha-blocker of the post-synaptic alpha 1-adrenoreceptors. It has been used since 1992 for self-injections to induce erection. Tolerance has been studied in open trials in 143 men using 20 mg per intracavernous injection. Among these subjects, 104 were followed for 11 months. Self-administration was performed 7,509 times, i.e. 49.1 injections per subject over a mean period of 307 days. No severe side effects were observed. A total of 1,041 undesirable effects were reported by 90 subjects (75.1%), including mechanical disorders (28.2%) such as pain and burning sensation at injection, hematomas and ecchymoses. Nodules developed in 0.08% of these cases but always regressed. In 71.8% of the cases, the undesirable events was imputable to moxisylyte: dry mouth (2.73%), somnolence (1.9%), sinus congestion (0.71%). No case of priapism was reported. Long-term evaluation showed a reduction in the main undesirable effects with time. This fall off in the mechanical events could be explained by the subjects become for familiar with the technique. Pharmacological effects remain to be analysed. Added to the good tolerance, this result suggests that self-injection can be proposed as a first intention treatment for impotency.
authors.affiliation: Service d'Urologie et d'Andrologie, Hôpital Tenon, Paris.
authors.forename: G
authors.initials: G
authors.lastname: Arvis
authors.forename: G
authors.initials: G
authors.lastname: Rivet
authors.forename: B
authors.initials: B
authors.lastname: Schwent
mesh_terms: D000317:Adrenergic alpha-Antagonists / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D000328:Adult; D000368:Aged; D007172:Erectile Dysfunction / Q000188:drug therapy*; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D013948:Moxisylyte / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D012646:Self Administration
chemical_list: D000317:Adrenergic alpha-Antagonists; D013948:Moxisylyte
vernacular_title: Utilisation prolongée de chlorhydrate de moxisylyte (Icavex) en auto-injections intra-caverneuses dans le traitement de l'impuissance. Evaluation de la tolérance à long terme.