The Lancet Psychiatry:孕酮治疗可卡因成瘾?

2014-11-03 MedSci MedSci原创

可卡因因其强烈的中枢神经系统的兴奋作用而导致滥用,可卡因的滥用、成瘾及引起社会的广泛关注。孕酮在药物成瘾的病生理过程中起重要作用,研究表明,可卡因滥用妇女在其内源性孕酮水平较高时期可以减少可卡因的使用量。近期,研究人员在一项随机、双盲、安慰剂对照的前瞻性研究中,初步探讨了可卡因滥用妇女产后服用孕酮是否减少可卡因的使用。 研究方法: 研究人员进行为期12周的双盲、平行、随机、安慰剂对照试验,试验

可卡因因其强烈的中枢神经系统的兴奋作用而导致滥用,可卡因的滥用、成瘾及引起社会的广泛关注。孕酮在药物成瘾的病生理过程中起重要作用,研究表明,可卡因滥用妇女在其内源性孕酮水平较高时期可以减少可卡因的使用量。近期,研究人员在一项随机、双盲、安慰剂对照的前瞻性研究中,初步探讨了可卡因滥用妇女产后服用孕酮是否减少可卡因的使用。

研究方法:

研究人员进行为期12周的双盲、平行、随机、安慰剂对照试验,试验结束后进行3个月随访。受试者为可卡因滥用产妇(产后12周之内)。根据计算机产生的随机序列,受试者随机接受微粉化孕酮(口服,100 mg,每日两次)或安慰剂治疗。主要的试验结果为可卡因的使用情况,即受试者自述的每周服用可卡因的天数和每周可卡因代谢产物尿检阳性次数。这项研究在ClinicalTrials.gov注册,注册号为NCT01249274

研究结果:

研究中共招募50名受试者,其中25名随机纳入安慰几组,25名随机纳入孕酮组。41名(82%)受试者完成试验(20名为孕酮组,21名为安慰剂组)。分析中采纳了所有50名受试者的数据。与孕酮组的受试者相比,安慰剂组的受试者在12周的试验期间可卡因服用自述次数更高(比例为1.1995% CI 1.05—1.36p=0·0097)。然而,若在分析中包括3个月随访期间,两组之间无显著性差异(似然比χ2=5.16p=0·076)。在12周的试验期间及12周试验期间加之3个月随访期间,可卡因的尿检阳性妇女比例在两组无显著性差异。最常见的不良反应为头痛[孕酮组6名(24%),安慰剂组3名(12%]、镇静[每组各4名(16%]、眩晕[孕酮组3名(12%),安慰剂组无]、口干[孕酮组无,安慰剂组3名(12%]和恶心[孕酮组2名(8%)安慰剂组1名(4%]。不良反应的发生率在两组之间无显著性差异。

展望:

上述研究结果提示,可卡因滥用产妇接受孕酮治疗可以减少可卡因的用量,孕酮是否用于可卡因成瘾,还有待于进一步大规模临床试验的佐证。

原始出处:

Kimberly Ann Yonkers, Ariadna Forray, Charla Nich, Kathleen M Carroll, Cristine Hine, Brian C Merry, Howard Shaw, Julia Shaw, Mehmet Sofuoglu. Progesterone for the reduction of cocaine use in post-partum women with a cocaine use disorder: a randomised, double-blind, placebo-controlled, pilot study. The Lancet Psychiatry, Volume 1, Issue 5, Pages 360 - 367, October 2014

 

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    2015-03-17 howi
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    2014-11-05 周虎
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