하이이드록시프로게스테론카프로에이트

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• 그림문자(GHS)

  

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하이이드록시프로게스테론카프로에이트 화학적 특성, 용도, 생산

• 개요

  히드 록시 프로게스테론 카프로 에이트 분말 메드 록시 프로게스테론 아세테이트 및 메 게스트 롤 아세테이트와 유사한 합성 스테로이드 호르몬이다. 그것은 caproic acid (hexanoic acid)로부터 형성된 17α-hydroxyprogesterone의 에스테르 유도체이다. Hydroxyprogesterone caproate는 이전에 MAKENA라는 브랜드로 시판되었습니다.

• 개요

  Hydroxyprogesterone caproate is a synthetic steroid hormone that is similar to medroxyprogesterone acetate and megestrol acetate. It is an ester derivative of 17α-hydroxyprogesterone formed from caproic acid (hexanoic acid). Hydroxyprogesterone caproate was previously marketed under the trade name Delalutin by Squibb, which was approved by the U.S. Food and Drug Administration (FDA) in 1956 and withdrawn from marketing in 1999. The U.S. FDA approved Makena from KV Pharmaceutical (previously named as Gestiva) on February 4, 2011 for prevention of preterm delivery in women with a history of preterm delivery, sparking a pricing controversy.

• 용도

  Hydroxyprogesterone caproate is a synthetic progestin used for the prevention of spontaneous preterm births in singleton pregnancies in women who have previously had a spontaneous preterm birth.

• 일반 설명

  Hydroxyprogesteronecaproate, 17-hydroxypregn-4-ene-3,20-dionehexanoate, is much more active and longer acting than progesterone, probably because the 17αester hinders reduction to the 20-ol. In contrast, hydroxyprogesteroneitself lacks progestational activity. Thecaproate ester is given only intramuscularly. The estergreatly increases oil solubility, allowing it to be slowly releasedfrom depot preparations. Although only currently available throughcompounding pharmacies, a new formulation (Gestiva) wasdeemed approvable by the FDA in late 2006 for the preventionof preterm labor, pending further studies.

• Mechanism of action

  Hydroxyprogesterone caproate is a synthetic progestin. Hydroxyprogesterone is a potent, long-acting, progestational steroid ester which transforms proliferative endothelium into secretory endothelium, induces mammary gland duct development, and inhibits the production and/or release of gonadotropic hormone; it also shows slight estrogenic, androgenic, or corticoid effects as well, but should not be relied upon for these effects. It's mechanism for preventing preterm birth in women with a history of preterm delivery is unknown.

• Clinical Use

  Hydroxyprogesterone caproate (Makena®) is used to reduce the risk of preterm birth in women with a singleton pregnancy who have a history of singleton spontaneous preterm birth. Hydroxyprogesterone caproate was designated an orphan drug by the US Food and Drug Administration (FDA) for this use in 2007. Efficacy of the drug for this use is based on improvement in the proportion of women who delivered at less than 37 weeks of gestation. Direct clinical benefit (e.g., improvement in neonatal morbidity and mortality) has not been established. While there are many risk factors for preterm birth, safety and efficacy of hydroxyprogesterone caproate have been demonstrated only in women with a prior spontaneous singleton birth. Hydroxyprogesterone is not intended for use in women with multiple gestations or other risk factors for preterm birth. The American College of Obstetricians and Gynecologists (ACOG) recommends that progesterone supplementation for the prevention of recurrent preterm birth be offered to women with a singleton pregnancy and a prior spontaneous preterm birth at less than 37 weeks of gestation due to spontaneous preterm labor or premature rupture of membranes. The ACOG also states that physicians should be able to prescribe Makena or compounded hydroxyprogesterone caproate based on accepted medical indications after discussion with the patient.

• 부작용

  Its side effects include: iinjection site reactions (pain, swelling, pruritus, nodule), urticaria, pruritus, nausea, diarrhea.

• Safety

  Originally marketed (Delalutin) nearly 50 years ago to prevent impending miscarriages, 17α-hydroxyprogesterone caproate was removed from the market in 2000 when its efficacy was called into question. 17α-Hydroxyprogesterone caproate, a synthetic injectable progesterone, was approved by the FDA in 2011 to reduce the risk of preterm delivery in women who have already experienced a preterm birth.It has not been shown to be effective in women carrying multiple fetuses.Injections begin between 16 and 21 weeks and are associated with pain, swelling, or itching at the injection site, hives, nausea, and diarrhea. Follow-up studies of the children born to women who used this drug indicate that developmental milestones were achieved at 2.5 and 5 years of age. A number of other pharmacologic agents are currently available for the prevention of preterm delivery including agents that can alter intracellular messengers (e.g., β-adrenergic receptor agonists, nitric oxide donors, magnesium sulfate and calcium channel blockers) and agents that modulate myometrial stimulants (e.g., inhibitors of prostaglandin synthesis and oxytocin antagonists).
  17α-Hydroxyprogesterone caproate binds extensively to albumin and SHBG. From a metabolic perspective, it undergoes reduction， hydroxylation， and conjuga- tion reactions, including becoming glucuronidated, sulfated, and acetylated. It induces several cytochrome P450 (CYP) isozymes including CYP1A2, CYP2A6, and CYP2B6.

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