Single Dose, Dose-Ranging Study of 11-β Methyl Nortestosterone Dodecylcarbonate (11β-MNTDC) in Healthy Men

Summary

The long term objective is to develop a new male hormone 11-β Methyl Nortestosterone Dodecylcarbonate (11β-MNTDC) as a male hormonal contraceptive.

Timeline

Start

2016-07-14

Primary completion

2017-01-23

Completion

2017-06-05

Publications

• Background Amory JK, Anawalt BD, Bremner WJ, Matsumoto AM. Daily testosterone and gonadotropin levels are similar in azoospermic and nonazoospermic normal men administered weekly testosterone: implications for male contraceptive development. J Androl. 2001 Nov-Dec;22(6):1053-60. doi: 10.1002/j.1939-4640.2001.tb03445.x.
• Background Amory JK, Bremner WJ. Oral testosterone in oil plus dutasteride in men: a pharmacokinetic study. J Clin Endocrinol Metab. 2005 May;90(5):2610-7. doi: 10.1210/jc.2004-1221. Epub 2005 Feb 15.
• Background Anderson RA, Wallace AM, Wu FC. Comparison between testosterone enanthate-induced azoospermia and oligozoospermia in a male contraceptive study. III. Higher 5 alpha-reductase activity in oligozoospermic men administered supraphysiological doses of testosterone. J Clin Endocrinol Metab. 1996 Mar;81(3):902-8. doi: 10.1210/jcem.81.3.8772548.
• Background Attardi BJ, Engbring JA, Gropp D, Hild SA. Development of dimethandrolone 17beta-undecanoate (DMAU) as an oral male hormonal contraceptive: induction of infertility and recovery of fertility in adult male rabbits. J Androl. 2011 Sep-Oct;32(5):530-40. doi: 10.2164/jandrol.110.011817. Epub 2010 Dec 16.
• Background Attardi BJ, Hild SA, Koduri S, Pham T, Pessaint L, Engbring J, Till B, Gropp D, Semon A, Reel JR. The potent synthetic androgens, dimethandrolone (7alpha,11beta-dimethyl-19-nortestosterone) and 11beta-methyl-19-nortestosterone, do not require 5alpha-reduction to exert their maximal androgenic effects. J Steroid Biochem Mol Biol. 2010 Oct;122(4):212-8. doi: 10.1016/j.jsbmb.2010.06.009. Epub 2010 Jun 25.
• Background Attardi BJ, Hild SA, Reel JR. Dimethandrolone undecanoate: a new potent orally active androgen with progestational activity. Endocrinology. 2006 Jun;147(6):3016-26. doi: 10.1210/en.2005-1524. Epub 2006 Feb 23.
• Background Attardi BJ, Marck BT, Matsumoto AM, Koduri S, Hild SA. Long-term effects of dimethandrolone 17beta-undecanoate and 11beta-methyl-19-nortestosterone 17beta-dodecylcarbonate on body composition, bone mineral density, serum gonadotropins, and androgenic/anabolic activity in castrated male rats. J Androl. 2011 Mar-Apr;32(2):183-92. doi: 10.2164/jandrol.110.010371. Epub 2010 Aug 26.
• Background Attardi BJ, Pham TC, Radler LC, Burgenson J, Hild SA, Reel JR. Dimethandrolone (7alpha,11beta-dimethyl-19-nortestosterone) and 11beta-methyl-19-nortestosterone are not converted to aromatic A-ring products in the presence of recombinant human aromatase. J Steroid Biochem Mol Biol. 2008 Jun;110(3-5):214-22. doi: 10.1016/j.jsbmb.2007.11.009.
• Background Bagchus WM, Hust R, Maris F, Schnabel PG, Houwing NS. Important effect of food on the bioavailability of oral testosterone undecanoate. Pharmacotherapy. 2003 Mar;23(3):319-25. doi: 10.1592/phco.23.3.319.32104.
• Background Behre H M, Wang C, Handelsman D J & Nieschlag E. (2004) Pharmacology of Testosterone Preparations. In: Testosterone, Vol. Third (eds E Nieschlag & H M Behre), pp. 405-444. Cambridge University Press, Cambridge.
• Background Cook CE, Kepler JA. 7alpha,11beta-Dimethyl-19-nortestosterone: a potent and selective androgen response modulator with prostate-sparing properties. Bioorg Med Chem Lett. 2005 Feb 15;15(4):1213-6. doi: 10.1016/j.bmcl.2004.11.076.
• Background Friedl KE, Hannan CJ Jr, Jones RE, Plymate SR. High-density lipoprotein cholesterol is not decreased if an aromatizable androgen is administered. Metabolism. 1990 Jan;39(1):69-74. doi: 10.1016/0026-0495(90)90150-b.
• Background Gooren LJ. A ten-year safety study of the oral androgen testosterone undecanoate. J Androl. 1994 May-Jun;15(3):212-5.
• Background Gu Y, Liang X, Wu W, Liu M, Song S, Cheng L, Bo L, Xiong C, Wang X, Liu X, Peng L, Yao K. Multicenter contraceptive efficacy trial of injectable testosterone undecanoate in Chinese men. J Clin Endocrinol Metab. 2009 Jun;94(6):1910-5. doi: 10.1210/jc.2008-1846. Epub 2009 Mar 17.
• Background Heckel M J. (1939) Production of oliogspermia in a man by the use of testosterone propionate. Exl. Biol. Med. 40, 658-659.
• Background Hild SA, Attardi BJ, Koduri S, Till BA, Reel JR. Effects of synthetic androgens on liver function using the rabbit as a model. J Androl. 2010 Sep-Oct;31(5):472-81. doi: 10.2164/jandrol.109.009365. Epub 2010 Apr 8.
• Background Houwing NS, Maris F, Schnabel PG, Bagchus WM. Pharmacokinetic study in women of three different doses of a new formulation of oral testosterone undecanoate, Andriol Testocaps. Pharmacotherapy. 2003 Oct;23(10):1257-65. doi: 10.1592/phco.23.12.1257.32707.
• Background McLachlan RI, Robertson DM, Pruysers E, Ugoni A, Matsumoto AM, Anawalt BD, Bremner WJ, Meriggiola C. Relationship between serum gonadotropins and spermatogenic suppression in men undergoing steroidal contraceptive treatment. J Clin Endocrinol Metab. 2004 Jan;89(1):142-9. doi: 10.1210/jc.2003-030616.
• Background Nieschlag E, Mauss J, Coert A, Kicovic P. Plasma androgen levels in men after oral administration of testosterone or testosterone undecanoate. Acta Endocrinol (Copenh). 1975 Jun;79(2):366-74. doi: 10.1530/acta.0.0790366.
• Background Piotrowska K, Wang C, Swerdloff RS, Liu PY. Male hormonal contraception: hope and promise. Lancet Diabetes Endocrinol. 2017 Mar;5(3):214-223. doi: 10.1016/S2213-8587(16)00034-6. Epub 2016 Feb 23.
• Background Qoubaitary A, Swerdloff RS, Wang C. Advances in male hormone substitution therapy. Expert Opin Pharmacother. 2005 Aug;6(9):1493-506. doi: 10.1517/14656566.6.9.1493.
• Background Roth MY, Page ST, Bremner WJ. Male hormonal contraception: looking back and moving forward. Andrology. 2016 Jan;4(1):4-12. doi: 10.1111/andr.12110. Epub 2015 Oct 9.
• Background Rothman MS, Carlson NE, Xu M, Wang C, Swerdloff R, Lee P, Goh VH, Ridgway EC, Wierman ME. Reexamination of testosterone, dihydrotestosterone, estradiol and estrone levels across the menstrual cycle and in postmenopausal women measured by liquid chromatography-tandem mass spectrometry. Steroids. 2011 Jan;76(1-2):177-82. doi: 10.1016/j.steroids.2010.10.010. Epub 2010 Nov 9.
• Background Skakkebaek NE, Bancroft J, Davidson DW, Warner P. Androgen replacement with oral testosterone undecanoate in hypogonadal men: a double blind controlled study. Clin Endocrinol (Oxf). 1981 Jan;14(1):49-61. doi: 10.1111/j.1365-2265.1981.tb00364.x.
• Background Surampudi P, Page ST, Swerdloff RS, Nya-Ngatchou JJ, Liu PY, Amory JK, Leung A, Hull L, Blithe DL, Woo J, Bremner WJ, Wang C. Single, escalating dose pharmacokinetics, safety and food effects of a new oral androgen dimethandrolone undecanoate in man: a prototype oral male hormonal contraceptive. Andrology. 2014 Jul;2(4):579-587. doi: 10.1111/j.2047-2927.2014.00216.x. Epub 2014 May 2.
• Background Swerdloff RS, Wang C, Cunningham G, Dobs A, Iranmanesh A, Matsumoto AM, Snyder PJ, Weber T, Longstreth J, Berman N. Long-term pharmacokinetics of transdermal testosterone gel in hypogonadal men. J Clin Endocrinol Metab. 2000 Dec;85(12):4500-10. doi: 10.1210/jcem.85.12.7045.
• Background Vermeulen A, Verdonck L, Kaufman JM. A critical evaluation of simple methods for the estimation of free testosterone in serum. J Clin Endocrinol Metab. 1999 Oct;84(10):3666-72. doi: 10.1210/jcem.84.10.6079.
• Background von Eckardstein S, Noe G, Brache V, Nieschlag E, Croxatto H, Alvarez F, Moo-Young A, Sivin I, Kumar N, Small M, Sundaram K; International Committee for Contraception Research, The Population Council. A clinical trial of 7 alpha-methyl-19-nortestosterone implants for possible use as a long-acting contraceptive for men. J Clin Endocrinol Metab. 2003 Nov;88(11):5232-9. doi: 10.1210/jc.2002-022043.
• Background Wang C, Catlin DH, Demers LM, Starcevic B, Swerdloff RS. Measurement of total serum testosterone in adult men: comparison of current laboratory methods versus liquid chromatography-tandem mass spectrometry. J Clin Endocrinol Metab. 2004 Feb;89(2):534-43. doi: 10.1210/jc.2003-031287.
• Background Wang C, Shiraishi S, Leung A, Baravarian S, Hull L, Goh V, Lee PW, Swerdloff RS. Validation of a testosterone and dihydrotestosterone liquid chromatography tandem mass spectrometry assay: Interference and comparison with established methods. Steroids. 2008 Dec 12;73(13):1345-52. doi: 10.1016/j.steroids.2008.05.004. Epub 2008 May 21.
• Background Wang C, Swerdloff R, Kipnes M, Matsumoto AM, Dobs AS, Cunningham G, Katznelson L, Weber TJ, Friedman TC, Snyder P, Levine HL. New testosterone buccal system (Striant) delivers physiological testosterone levels: pharmacokinetics study in hypogonadal men. J Clin Endocrinol Metab. 2004 Aug;89(8):3821-9. doi: 10.1210/jc.2003-031866.
• 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.
• Background World Health Organization Task Force on Methods for the Regulation of Male Fertility. Contraceptive efficacy of testosterone-induced azoospermia and oligozoospermia in normal men. Fertil Steril. 1996 Apr;65(4):821-9.
• Yuen F, Thirumalai A, Fernando FA, Swerdloff RS, Liu PY, Pak Y, Hull L, Bross R, Blithe DL, Long JE, Page ST, Wang C. Comparison of metabolic effects of the progestational androgens dimethandrolone undecanoate and 11beta-MNTDC in healthy men. Andrology. 2021 Sep;9(5):1526-1539. doi: 10.1111/andr.13025. Epub 2021 May 22.
• Yuen F, Thirumalai A, Pham C, Swerdloff RS, Anawalt BD, Liu PY, Amory JK, Bremner WJ, Dart C, Wu H, Hull L, Blithe DL, Long J, Wang C, Page ST. Daily Oral Administration of the Novel Androgen 11beta-MNTDC Markedly Suppresses Serum Gonadotropins in Healthy Men. J Clin Endocrinol Metab. 2020 Mar 1;105(3):e835-47. doi: 10.1210/clinem/dgaa032.
• Wu S, Yuen F, Swerdloff RS, Pak Y, Thirumalai A, Liu PY, Amory JK, Bai F, Hull L, Blithe DL, Anawalt BD, Parman T, Kim K, Lee MS, Bremner WJ, Page ST, Wang C. Safety and Pharmacokinetics of Single-Dose Novel Oral Androgen 11beta-Methyl-19-Nortestosterone-17beta-Dodecylcarbonate in Men. J Clin Endocrinol Metab. 2019 Mar 1;104(3):629-638. doi: 10.1210/jc.2018-01528.

Drugs

Indications

No indication recorded.