NES Gel-1, To Evaluate Nestorone Gel in Combination With Testosterone Gel

Summary

The purpose of this study is to determine the usefulness of two transdermal gels to be used in the future development for a male contraceptive.

Timeline

Start

2005-09

Primary completion

2007-01

Completion

2007-01

Publications

• 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 Anderson RA, Kinniburgh D, Baird DT. Suppression of spermatogenesis by etonogestrel implants with depot testosterone: potential for long-acting male contraception. J Clin Endocrinol Metab. 2002 Aug;87(8):3640-9. doi: 10.1210/jcem.87.8.8773.
• Background Bebb RA, Anawalt BD, Christensen RB, Paulsen CA, Bremner WJ, Matsumoto AM. Combined administration of levonorgestrel and testosterone induces more rapid and effective suppression of spermatogenesis than testosterone alone: a promising male contraceptive approach. J Clin Endocrinol Metab. 1996 Feb;81(2):757-62. doi: 10.1210/jcem.81.2.8636300.
• Background Brache V, Massai R, Mishell DR, Moo-Young AJ, Alvarez F, Salvatierra AM, Cochon L, Croxatto H, Robbins A, Faundes A. Ovarian function during use of Nestorone(R) subdermal implants. Contraception. 2000 Mar;61(3):199-204. doi: 10.1016/s0010-7824(00)00092-5.
• Background Cummings DE, Bremner WJ. Prospects for new hormonal male contraceptives. Endocrinol Metab Clin North Am. 1994 Dec;23(4):893-922.
• Background Diaz S, Schiappacasse V, Pavez M, Zepeda A, Moo-Young AJ, Brandeis A, Lahteenmaki P, Croxatto HB. Clinical trial with Nestorone subdermal contraceptive implants. Contraception. 1995 Jan;51(1):33-8. doi: 10.1016/0010-7824(94)00006-i.
• Background Gonzalo IT, Swerdloff RS, Nelson AL, Clevenger B, Garcia R, Berman N, Wang C. Levonorgestrel implants (Norplant II) for male contraception clinical trials: combination with transdermal and injectable testosterone. J Clin Endocrinol Metab. 2002 Aug;87(8):3562-72. doi: 10.1210/jcem.87.8.8710.
• Background Haukkamaa M, Laurikka-Routti M, Heikinheimo O, Moo-Young A. Contraception with subdermal implants releasing the progestin ST-1435: a dose-finding study. Contraception. 1992 Jan;45(1):49-55. doi: 10.1016/0010-7824(92)90140-o.
• Background Handelsman DJ, Conway AJ, Howe CJ, Turner L, Mackey MA. Establishing the minimum effective dose and additive effects of depot progestin in suppression of human spermatogenesis by a testosterone depot. J Clin Endocrinol Metab. 1996 Nov;81(11):4113-21. doi: 10.1210/jcem.81.11.8923869.
• Background Kamischke A, Heuermann T, Kruger K, von Eckardstein S, Schellschmidt I, Rubig A, Nieschlag E. An effective hormonal male contraceptive using testosterone undecanoate with oral or injectable norethisterone preparations. J Clin Endocrinol Metab. 2002 Feb;87(2):530-9. doi: 10.1210/jcem.87.2.8218.
• 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.
• Results Mahabadi V, Amory JK, Swerdloff RS, Bremner WJ, Page ST, Sitruk-Ware R, Christensen PD, Kumar N, Tsong YY, Blithe D, Wang C. Combined transdermal testosterone gel and the progestin nestorone suppresses serum gonadotropins in men. J Clin Endocrinol Metab. 2009 Jul;94(7):2313-20. doi: 10.1210/jc.2008-2604. Epub 2009 Apr 14.

Drugs

Indications

No indication recorded.