Male Hormonal Contraceptive Development-ACY-5

Phase 1/2 Completed 43 enrolled University of Washington CONRAD · collab Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) · collab

RandomizedParallel-groupOpen-labelPrevention

Summary

The purpose of this research study is to help in the development of male contraception (birth control).

Timeline

Start: 2004-05
Primary completion: 2006-04
Completion: 2006-04

Publications

Background Meriggiola MC, Bremner WJ, Costantino A, Di Cintio G, Flamigni C. Low dose of cyproterone acetate and testosterone enanthate for contraception in men. Hum Reprod. 1998 May;13(5):1225-9. doi: 10.1093/humrep/13.5.1225.
Background Anawalt BD, Bebb RA, Bremner WJ, Matsumoto AM. A lower dosage levonorgestrel and testosterone combination effectively suppresses spermatogenesis and circulating gonadotropin levels with fewer metabolic effects than higher dosage combinations. J Androl. 1999 May-Jun;20(3):407-14.
Background Kamischke A, Venherm S, Ploger D, von Eckardstein S, Nieschlag E. Intramuscular testosterone undecanoate and norethisterone enanthate in a clinical trial for male contraception. J Clin Endocrinol Metab. 2001 Jan;86(1):303-9. doi: 10.1210/jcem.86.1.7057.
Background Herbst KL, Anawalt BD, Amory JK, Bremner WJ. Acyline: the first study in humans of a potent, new gonadotropin-releasing hormone antagonist. J Clin Endocrinol Metab. 2002 Jul;87(7):3215-20. doi: 10.1210/jcem.87.7.8675.
Background Contraceptive efficacy of testosterone-induced azoospermia in normal men. World Health Organization Task Force on methods for the regulation of male fertility. Lancet. 1990 Oct 20;336(8721):955-9.
Results Page ST, Amory JK, Anawalt BD, Irwig MS, Brockenbrough AT, Matsumoto AM, Bremner WJ. Testosterone gel combined with depomedroxyprogesterone acetate is an effective male hormonal contraceptive regimen and is not enhanced by the addition of a GnRH antagonist. J Clin Endocrinol Metab. 2006 Nov;91(11):4374-80. doi: 10.1210/jc.2006-1411. Epub 2006 Aug 29.
Results Amory JK, Page ST, Anawalt BD, Matsumoto AM, Bremner WJ. Acceptability of a combination testosterone gel and depomedroxyprogesterone acetate male contraceptive regimen. Contraception. 2007 Mar;75(3):218-23. doi: 10.1016/j.contraception.2006.11.003. Epub 2007 Jan 16.
Results Page ST, Kalhorn TF, Bremner WJ, Anawalt BD, Matsumoto AM, Amory JK. Intratesticular androgens and spermatogenesis during severe gonadotropin suppression induced by male hormonal contraceptive treatment. J Androl. 2007 Sep-Oct;28(5):734-41. doi: 10.2164/jandrol.107.002790. Epub 2007 May 9.

Drugs

Evaluation	Drug	Modality	Dose	Route
Comparator	Acyline	Protein / enzyme biologic	300 ug/kg	Subcutaneous
Comparator	Testosterone	Small molecule	100 mg	Other
Subject	medroxyprogesterone acetate	Other / unclassified	300 mg	Intramuscular

Indications

No indication recorded.