MD3653F2 - Forme polimorfe de rifaximina, procedee deobtinere a lor si utilizarea acestora in calitatede antibiotic - Google Patents

Forme polimorfe de rifaximina, procedee deobtinere a lor si utilizarea acestora in calitatede antibiotic Download PDF

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Publication number
MD3653F2
MD3653F2 MDA20060080A MD20060080A MD3653F2 MD 3653 F2 MD3653 F2 MD 3653F2 MD A20060080 A MDA20060080 A MD A20060080A MD 20060080 A MD20060080 A MD 20060080A MD 3653 F2 MD3653 F2 MD 3653F2
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MD
Moldova
Prior art keywords
rifaximin
water content
2theta
ray powder
polymorphic forms
Prior art date
Application number
MDA20060080A
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English (en)
Other versions
MD20060080A (ro
MD3653G8 (ro
Inventor
Giuseppe C. Viscomi
Manuela Campana
Dario Braga
Donatella Confortini
Vincenzo Cannata
Paolo Righi
Gofftredo Rosini
Original Assignee
Alfa Wassermann S.P.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=33187382&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MD3653(F2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Alfa Wassermann S.P.A. filed Critical Alfa Wassermann S.P.A.
Publication of MD20060080A publication Critical patent/MD20060080A/ro
Publication of MD3653F2 publication Critical patent/MD3653F2/ro
Publication of MD3653G8 publication Critical patent/MD3653G8/ro

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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D498/00Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D498/22Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains four or more hetero rings
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/10Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12Cooking devices
    • H05B6/1209Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • H05B6/1236Cooking devices induction cooking plates or the like and devices to be used in combination with them adapted to induce current in a coil to supply power to a device and electrical heating devices powered in this way
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00Drugs for disorders of the alimentary tract or the digestive system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00Drugs for disorders of the alimentary tract or the digestive system
    • A61P1/12Antidiarrhoeals
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04Antibacterial agents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04Antibacterial agents
    • A61P31/06Antibacterial agents for tuberculosis
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/10Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12Cooking devices
    • H05B6/1209Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • H05B6/1245Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements
    • H05B6/1263Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements using coil cooling arrangements

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Oncology (AREA)
  • Communicable Diseases (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pulmonology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Medicinal Preparation (AREA)

Abstract

Inventia se refera la forme polimorfe de rifaximina, si anume la formele Alpha, Beta, Gamma.Forma polimorfa Alpha de rifaximina are un continut de apa mai mic de 4,5% si o difractograma a pulberii curaze X manifestand varfuri la valorile unghiurilor de difractie 2Theta 6,6°; 7,4o; 7,9°; 8,8o; 10,5°; 11,1o; 11,8°; 12,9°; 17,6°; 18,5°; 19,7°; 21,0°; 21,4°; 22,1°.Forma polimorfa Beta de rifaximina are un continut de apa mai mare de 4,5% si o difractograma a pulberii cu raze X manifestand varfuri la valorile unghiurilor de difractie 2Theta 5,4°; 6,4°; 7,0°; 7,8°; 9,0°; 10,4°; 13,1°; 14,4°; 17,1°; 17,9°; 18,3°; 20,9°.Forma polimorfa Gamma de rifaximina are un continut de apa intre 1,0% si 2,0% si o difractograma a pulberii cu raze X manifestand, in general, un profil amorf si cateva varfuri semnificative la valorile unghiurilor de difractie 2Theta 5,0°; 7,1°; 8,4°.Inventia se refera de asemenea la procedee de obtinere a lor, la care prin incalzire se dilueaza rifaximina bruta in alcool etilic si se initiaza cristalizarea produsului prinadaugarea apei la o temperatura anumita, pe parcursul unui anumit interval de timp, dupa care se realizeaza uscarea sub control, pana cand produsul finit ajunge la un anumit continut de apa.Formele polimorfe obtinute de rifaximina se utilizeaza in calitate de preparate medicamentoase cu actiune antibiotica pentru administrare orala si locala.
MDA20060080A 2003-11-07 2004-11-04 Forme polimorfe de rifaximină, procedee de obţinere a lor şi utilizarea acestora în calitate de antibiotic MD3653G8 (ro)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT002144A ITMI20032144A1 (it) 2003-11-07 2003-11-07 Forme polimorfe di rifaximina, processi per ottenerle e
PCT/EP2004/012490 WO2005044823A2 (en) 2003-11-07 2004-11-04 Polymorphous forms of rifaximin as antibiotics

Publications (3)

Publication Number Publication Date
MD20060080A MD20060080A (ro) 2006-11-30
MD3653F2 true MD3653F2 (ro) 2008-07-31
MD3653G8 MD3653G8 (ro) 2016-08-31

Family

ID=33187382

Family Applications (1)

Application Number Title Priority Date Filing Date
MDA20060080A MD3653G8 (ro) 2003-11-07 2004-11-04 Forme polimorfe de rifaximină, procedee de obţinere a lor şi utilizarea acestora în calitate de antibiotic

Country Status (37)

Country Link
US (5) US7045620B2 (ro)
EP (6) EP1676848B1 (ro)
JP (5) JP2005139161A (ro)
KR (4) KR20050043589A (ro)
CN (4) CN1613858A (ro)
AR (3) AR043547A1 (ro)
AT (3) ATE421966T1 (ro)
AU (2) AU2004200964A1 (ro)
BR (2) BRPI0402382A (ro)
CA (2) CA2460384A1 (ro)
CL (1) CL2004000498A1 (ro)
CO (1) CO5560083A1 (ro)
CY (3) CY1108017T1 (ro)
DE (4) DE602004006367C5 (ro)
DK (3) DK1557421T3 (ro)
ES (3) ES2244364T3 (ro)
HR (2) HRP20040265A2 (ro)
IL (2) IL160798A0 (ro)
IT (1) ITMI20032144A1 (ro)
JO (1) JO2470B1 (ro)
MA (1) MA27069A1 (ro)
MD (1) MD3653G8 (ro)
ME (1) ME00424B (ro)
MX (2) MXPA04002353A (ro)
NO (1) NO334950B1 (ro)
NZ (1) NZ531622A (ro)
PL (3) PL1557421T3 (ro)
PT (3) PT1557421E (ro)
RS (4) RS54568B1 (ro)
RU (1) RU2270200C2 (ro)
SI (3) SI1676848T1 (ro)
TN (2) TNSN04044A1 (ro)
TW (1) TWI285107B (ro)
UA (1) UA86384C2 (ro)
WO (1) WO2005044823A2 (ro)
YU (1) YU24804A (ro)
ZA (1) ZA200401948B (ro)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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US8383151B2 (en) * 2007-07-06 2013-02-26 Lupin Limited Pharmaceutical compositions of rifaximin
US7709634B2 (en) * 2007-09-20 2010-05-04 Apotex Pharmachem Inc. Amorphous form of rifaximin and processes for its preparation
JP2011500552A (ja) 2007-10-10 2011-01-06 ルピン・リミテッド 胃腸障害を処置するための医薬用組み合わせおよび組成物
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* Cited by examiner, † Cited by third party
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MD4081G2 (ro) * 2005-03-03 2011-07-31 Alfa Wassermann S.P.A. Forme polimorfe de rifaximină, procedee de obţinere şi utilizare a acestora în calitate de preparate medicamentoase cu activitate antibiotică

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Owner name: ALFASIGMA S.P.A., IT VIALE SARCA N.223, MILANO (MI

Free format text: PREVIOUS NAME OF PROPRIETOR: ALFA WASSERMANN S.P.A., IT VIA ENRICO FERMI, 1, I-65020 ALANNO (PE), ITALIA