title: Acceptability of an injectable male contraceptive regimen of norethisterone enanthate and testosterone undecanoate for men.
abstract: BACKGROUND
  We assessed attitudes towards and acceptability of male hormonal contraception among volunteers participating in a clinical trial of a prototype regimen, consisting of progestin and testosterone injections.
  
  
  METHODS
  After completing screening, eligible men were randomly assigned to the no-treatment group (n = 40) or to receive injections of norethisterone enanthate and testosterone undecanoate or placebo at different intervals (n = 50) according to a blocked randomization list. They underwent self-administered questionnaires.
  
  
  RESULTS
  The average age of the participants was approximately 28 years; most were involved in a stable relationship and had no children. Ninety-two percentage of the respondents thought that men and women should share responsibility for contraception and 75% said they would try a hormonal contraceptive if available. At the end of the treatment phase, 66% of the participants said that they would use such a method, and most rated its acceptability very highly; none reported it to be unacceptable. The injections themselves were indicated as the biggest disadvantage. No significant changes in sexual function or mood states were detected among the men who underwent hormone injections.
  
  
  CONCLUSIONS
  The contraceptive tested in this study was well accepted by the participants over the course of 1 year.
authors.affiliation: Obstetrics and Gynecology Unit, University of Bologna, S. Orsola Hospital, Bologna, Italy. cristina.meriggiola@unibo.it
authors.forename: M Cristina
authors.initials: MC
authors.lastname: Meriggiola
authors.forename: S
authors.initials: S
authors.lastname: Cerpolini
authors.forename: W J
authors.initials: WJ
authors.lastname: Bremner
authors.forename: M T
authors.initials: MT
authors.lastname: Mbizvo
authors.forename: K M
authors.initials: KM
authors.lastname: Vogelsong
authors.forename: G
authors.initials: G
authors.lastname: Martorana
authors.forename: G
authors.initials: G
authors.lastname: Pelusi
mesh_terms: D000328:Adult; D000339:Affect / Q000187:drug effects; D001290:Attitude; D003268:Contraception Behavior; D003272:Contraceptive Agents, Male / Q000008:administration & dosage; D004338:Drug Combinations; D006801:Humans; D007273:Injections, Intramuscular; D008297:Male; D009640:Norethindrone / Q000008:administration & dosage / Q000031:analogs & derivatives*; D010342:Patient Acceptance of Health Care; D012725:Sexual Behavior / Q000187:drug effects; D013739:Testosterone / Q000008:administration & dosage / Q000031:analogs & derivatives*
chemical_list: D003272:Contraceptive Agents, Male; D004338:Drug Combinations; D013739:Testosterone; C010792:testosterone undecanoate; C024319:norethindrone enanthate; D009640:Norethindrone