익사베필론

한글명:익사베필론

카스 번호219989-84-1

상품명:IXABEPILONE

CBNumberCB61011739

분자식C27H42N2O5S

포뮬러 무게506.7

MOL 파일219989-84-1.mol

동의어(한글)

익사베필론

화학적 성질

녹는점	>160°C (dec.)
알파	D22 -40.7° (c = 1.0 in chloroform)
끓는 점	697.8±55.0 °C(Predicted)
밀도	1.122±0.06 g/cm3(Predicted)
저장 조건	Sealed in dry,Room Temperature
용해도	클로로포름(약간 용해됨), 메탄올(약간 용해됨)
산도 계수 (pKa)	13.73±0.70(Predicted)
물리적 상태	백색 고체.
색상	흰색에서 황백색까지

위험 및 안전 성명

HS 번호

2941906000

유해 물질 데이터

219989-84-1(Hazardous Substances Data)

NFPA 704:

	0
4		0

그림문자(GHS)

익사베필론 화학적 특성, 용도, 생산

개요
Ixabepilone, a semisynthetic analog of epothilone B, was launched for the treatment of metastatic or locally advanced breast cancer. It is indicated for use in combination with capecitabine in patients who have previously failed treatment with an anthracycline such as doxorubicin and a taxane such as paclitaxel. It is also approved as monotherapy for the treatment of metastatic or locally advanced breast cancer in patients whose tumors are resistant or refractory to anthracyclines, taxanes, and capecitabine. Ixabepilone is the first member of the epothilone family of anticancer agents to be approved. Epothilones are novel cytotoxic macrolides derived from bacterial fermentation.
Like the taxanes, their mechanism of action involves binding to and stabilizing microtubules, which results in mitotic arrest and apoptosis.
The most common adverse reactions (X20%) associated with ixabelipone as monotherapy or in combination with capecitabine were peripheral sensory neuropathy, fatigue/asthenia, myalgia/arthralgia, alopecia, nausea, vomiting, stomatitis/ mucositis, diarrhea, and musculoskeletal pain. The most common hematologic abnormalities (W 40%) include neutropenia, leukopenia, anemia, and thrombocytopenia. Ixabelipone in combination with capecitabine is contraindicated in patients with AST or ALT W2.5 ULN (upper limit of normal) or bilirubin W1 ULN due to increased risk of toxicity and neutropenia-related death.
용도
Ixabepilone is an anti-tumor agent used in the treatment of patients suffering from solid tumors, such as metastatic breast cancer.
정의
ChEBI: A macrocycle that is a lactam analogue of epothilone B. Binds directly to beta-tubulin subunits on microtubules, leading to suppression of microtubule dynamics.
일반 설명
The epothilones are macrocyclic lactones that have a mechanismof action similar to that of the taxanes but offer severaladvantages.Ixabepilone is the semisyntheticamide analog of epothilone B that is isolated from themyxobacterium Sorangium cellulosum. The epothilonesshowed potent in vitro activity but greatly decreased activityin vivo caused by metabolic instability via hydrolysis ofthe macrocyclic lactone. Conversion to the lactam increasedstability and maintained in vivo activity. Ixabepilone hasbeen recently (2007) approved for the treatment of metastaticbreast cancer that is resistant to the taxanes. The agent isbelieved to bind to the same site occupied by the taxanes.Molecular modeling studies have been utilized to identifya common pharmacophore between the taxanes andepothilones.Like the taxanes, ixabepilone binds to β-tubulin and stabilizesmicrotubules resulting in cell death.The agent is usefulin cancers that have become resistant to the taxanes, becauseit is not removed by Pgp and is still capable of binding to altered beta tubulin to which the taxanes no longer bind.Increased water solubility also allows the agent to be administeredwithout the need for Cremophor EL, reducing thechance of hypersensitivity reactions. The current indicationsfor the agent are in metastatic breast cancer in combinationwith capecitabine after the failure of an anthracycline and ataxane and as monotherapy in metastatic breast cancer afterfailure of an anthracycline, a taxane, and capecitabine. Theagent is extensively metabolized in the liver primarily byCYP3A4 to give over 30 different metabolites. Eliminationoccurs primarily in the feces (65%) with a smaller amount(21%) occurring in the urine. The terminal elimination halflifeis 52 hours. Major toxicities associated with the useof ixabepilone have included peripheral neuropathy andmyelosuppression occurring as neutropenia. Occurring lessfrequently are alopecia, nausea, vomiting, mucositis, diarrhea,and muscle pain.

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