KR102362719B1 - 리팍시민의 신규한 용매화 결정 형태, 생산물, 조성물 및 이의 용도 - Google Patents
리팍시민의 신규한 용매화 결정 형태, 생산물, 조성물 및 이의 용도 Download PDFInfo
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Abstract
Description
도 1은 리팍시민 τ의 단일 결정 셀 파라미터 (single crystal cell parameter)에 의해 얻어진 X선 분말 회절 스펙트럼 (X-ray powder diffraction spectra : XRPD)을 나타낸다.
도 2는 분말 리팍시민 τ의 X선 분말 회절 스펙트럼 (XRPD)을 나타낸다.
Claims (14)
- 리팍시민의 디에틸렌 글리콜 모노에틸 에테르와의 용매화물이고,
정방정계 (tetragonal crystal system) 공간군 (space group)이 P41212이고, 단위 셀 파라미터 (unit cell parameter)가 a=b=16.51 (1) Å; c=36,80(l) Å; α=β=γ= 90°; V= 10027(1) Å3인 것을 특징으로 하는 리팍시민 결정형 τ. - 청구항 1에 있어서, 5.9°; 9.0° 및 12.9°; 또는 5.9°; 12.9° 및 18.8°; 또는 5.9°; 15.4° 및 23.4°; 또는 9.0°; 15.4° 및 23.4° 또는 12.9°; 22.8° 및 23.4°의 2θ±0.1°각도 값에서 피크를 나타내는 X선 회절 분석 스펙트럼을 갖는 것을 특징으로 하는 리팍시민 결정형 τ.
- 청구항 2에 있어서, 5.9°; 9.0°; 12.9°; 15.4°; 18.8°; 22.8° 및 23.4°의 2θ±0.1°각도 값에서 피크를 나타내는 X선 회절 분석 스펙트럼을 갖는 것을 특징으로 하는 리팍시민 결정형 τ.
- 청구항 1에 있어서, 상기 용매화물에서 용매가 리팍시민과 화학양론비가 1:1인 디에틸렌 글리콜 모노에틸 에테르인 용매화물인 것을 특징으로 하는 리팍시민 결정형 τ.
- 하기 단계를 포함하는 것을 특징으로 하는 청구항 1에 따른 리팍시민 결정형 τ의 제조방법:
- 리팍시민에 디에틸렌 글리콜 모노에틸 에테르를 10:1 내지 100:1 범위의 몰 비율로, 실온 내지 100℃ 범위의 온도에서, 5분 내지 5시간 범위의 지속시간 동안 첨가하여 리팍시민 용액을 제조하는 단계;
- 상기 용액을 실온 내지 -20℃ 범위의 온도로 냉각시키는 단계;
- 얻어진 침전물을 여과하는 단계;
- 상기 얻어진 침전물을, 주변 압력 (ambient pressure) 내지 진공을 포함하는 압력하에서, 실온 내지 40℃ 범위의 온도로, 5분 내지 1일 범위의 지속시간 동안 건조 시키되,
상기 건조 전의 침전물은 선택적으로 무극성 용매, C3-C7 선형 또는 고리형 또는 방향족 알킬로 세척하는 단계. - 청구항 5에 있어서, 산물이 동결건조에 의해 건조되는 것인 제조방법.
- 청구항 1에 따른 리팍시민 결정형 τ의 유효량과 함께 약학적으로 허용 가능한 부형제를 포함하는, 감염 또는 염증의 치료 또는 예방을 위한 약학 조성물.
- 청구항 7에 있어서, 리팍시민 결정형 τ를 20 내지 1200 mg의 유효량으로 포함하는 약학 조성물.
- 청구항 7에 있어서, 정제, 캡슐, 크림 또는 현탁용 과립의 형태인 약학 조성물.
- 청구항 7에 있어서, 조절된 방출, 지연된 방출, 또는 4.5보다 높은 pH 값에서 속방출 특성을 갖는 약학 조성물.
- 청구항 7에 있어서, 대장균 (Escherichia coli) 또는 클로스트리디움 디피실리균 (Clostridium difficile)의 세균에 의해 유발되는 장내 감염증, 여행자 설사 (traveller's diarrhoea), 감염성 설사, 크론병 (Crohn's disease)과 같은 장내 질환, 과민성 대장 증후군 (irritable bowel syndrome: IBS), 장염 (enteritis), 전장염 (enterocolitis), 게실염 (diverticulitis), 소장 세균 과다 증식 증후군 (syndrome of the overgrowth of bacteria in the small intestine: SIBO), 대장염 (colitis), 췌장 부전 (pancreatic insufficiency), 만성 췌장염, 간성 뇌증 (hepatic encephalopathy), 기능성 위장 장애 (functional gastrointestinal disorder), 설사를 동반하는 기능성 소화불량 (functional dyspepsia) 및, 질 감염의 치료 또는 예방용 약학 조성물.
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US201461992017P | 2014-05-12 | 2014-05-12 | |
US61/992,017 | 2014-05-12 | ||
PCT/IB2015/053342 WO2015173697A1 (en) | 2014-05-12 | 2015-05-07 | New solvated crystal form of rifaximin, production, compositions and uses thereof |
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KR102362719B1 true KR102362719B1 (ko) | 2022-02-14 |
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EP (2) | EP3546464B1 (ko) |
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DK1698630T3 (da) | 2005-03-03 | 2014-12-08 | Alfa Wassermann Spa | Nye polymorfe former af rifaximin, fremgangsmåde for deres fremstilling og anvendelse deraf i de medicinske præparater |
ES2621557T3 (es) | 2014-03-31 | 2017-07-04 | Euticals S.P.A. | Mezcla polimórfica de rifaximina y su uso para la preparación de formulaciones sólidas |
JP6576953B2 (ja) | 2014-05-12 | 2019-09-18 | アルファシグマ ソシエタ ペル アチオニ | リファキシミンの新規溶媒和物結晶形、生成物、組成物及びそれらの使用 |
AU2019334434B2 (en) | 2018-09-06 | 2024-12-05 | Fachhochschule Nordwestschweiz | Controlled drug release formulation |
WO2020208140A1 (en) | 2019-04-12 | 2020-10-15 | Sandoz Ag | Rifaximin-containing granules |
GR1010652B (el) * | 2023-04-20 | 2024-03-12 | Φαρματεν Α.Β.Ε.Ε., | Φαρμακευτικο σκευασμα που περιλαμβανει εναν αντιμικροβιακο παραγοντα και μεθοδος για την παρασκευη αυτου |
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