Chemistry:Metallibure
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| Trade names | Aimax, Suisynchron, Turisynchron |
| Other names | Methallibure; Methallibur; ICI-33828; AY-61122; NSC-69536 |
| Drug class | Antigonadotropin |
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| Chemical and physical data | |
| Formula | C7H14N4S2 |
| Molar mass | 218.34 g·mol−1 |
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Metallibure (INN) (brand names Aimax, Suisynchron, Turisynchron; former developmental code names ICI-33828, AY-61122, NSC-69536), also known as methallibure (USAN, BAN) or methallibur (German), is a medication which was introduced in 1973 and has been used in veterinary medicine to synchronize estrus.[1][2] It was withdrawn in the United States and Europe due to teratogenicity and has been replaced with altrenogest (Regumate, Matrix), a progestin.[2][3]
The precise mechanism of action of metallibure is unknown.[2] It has been described as a "nonsteroidal antigonadotropin" and it appears to act directly on the pituitary gland and/or hypothalamus to suppress gonadotropin secretion.[2] However, metallibure has also been reported to be an antiprogestogen and to act specifically via inhibition of the biosynthesis or secretion of progesterone.[4]
Metallibure has similar endocrinological effects in women.[5] It is associated with several unpleasant side effects including appetite loss, nausea, occasional vomiting, lethargy, and drowsiness.[5] Animal toxicity studies revealed that the medication induced the development of cataracts, and this resulted in the termination of its clinical development.[5]
See also
References
- ↑ J. Elks (14 November 2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer. pp. 781–. ISBN 978-1-4757-2085-3. https://books.google.com/books?id=0vXTBwAAQBAJ&pg=PA781.
- ↑ 2.0 2.1 2.2 2.3 I. Gordon (22 October 2013). Controlled Breeding in Farm Animals. Elsevier. pp. 313–. ISBN 978-1-4832-8569-6. https://books.google.com/books?id=mEgvBQAAQBAJ&pg=PA313.
- ↑ "Studies on fixed-time ovulation induction in the pig". Soc Reprod Fertil Suppl 66: 187–95. 2009. PMID 19848281.
- ↑ A. Labhart (6 December 2012). Clinical Endocrinology: Theory and Practice. Springer Science & Business Media. pp. 523–. ISBN 978-3-642-96158-8. https://books.google.com/books?id=DAgJCAAAQBAJ&pg=PA523.
- ↑ 5.0 5.1 5.2 JUCKER (21 December 2013). Progress in Drug Research / Fortschritte der Arzneimittelforschung / Progrès des recherches pharmaceutiques. Birkhäuser. pp. 102–. ISBN 978-3-0348-7065-8. https://books.google.com/books?id=Y8HzBwAAQBAJ&pg=PA102.
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