Lutropin alfa is a recombinant human luteinizing hormone produced in yeast with 2 subunits, alpha = 92 residues, beta = 121 residues. It is a heterodimeric glycoprotein made up of monomeric units. Lutropin alfa was the first and only recombinant human form of luteinizing hormone (LH) developed for use in the stimulation of follicular development. Its pharmacological action mimics the biological activity of endogenous LH; an acute rise of LH, or LH surge, in females triggers ovulation and the development of the corpous luteum. In males, LH stimulates Leydig cell to produce testosterone.
For treatment of infertility in women with hypothalamic or pituitary insufficiency (hypogonadotropic hypogonadism) and profound LH deficiency (LH <1.2 international units [IU]/L)
Xuanwu Hospital, Capital Medical University, Beijing, China
Fondazione IRCCS Ca ' Grande Ospedale Maggiore Policlinico, Milan, Italy
Unit of Endocrinology of Modena, Modena, Italy
Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, Università degli Studi di Napoli "Federico II", Naples, Italy
Irina Zorina, Moscow, Russian Federation
Please contact the Merck KGaA Communication Center, Darmstadt, Germany
An Sinh Hospital, Ho Chi Minh, Vietnam
Royan Institute, Tehran, Iran, Islamic Republic of
Please contact the Merck KGaA Communication Center, Darmstadt, Germany
Royal University Hospital, Saskatoon, Saskatchewan, Canada
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