ORALLY DISINTEGRATING FILM FORMULATION CONTAINING TADALAFIL AND PREPARATION METHOD THEREFOR Russian patent published in 2019 - IPC A61K9/70 A61K31/4985 A61K47/30 A61K47/32 A61K47/36 

Abstract RU 2681936 C2

FIELD: medicine; pharmaceuticals.

SUBSTANCE: group of inventions relates to pharmaceutics, specifically: to an orally disintegrating film formulation and a method for its preparation. Orally disintegrating film formulation contains tadalafil as an active ingredient, and, as a film-forming agent, a combination of pullulan, having an average molecular weight in the range from 50,000 to 200,000 g/mol, and polyvinylpyrrolidone K-90, wherein the weight ratio of tadalafil, pullulan and polyvinylpyrrolidone K-90 is 1:1.8–2.5:0.8–1.3. According to the proposed method, the components of the formulation are dissolved or dispersed in ethanol or a mixture of ethanol and water to form a solution or dispersion; and the solution or dispersion obtained in the previous step is applied on a hydrophobic film, followed by drying of the product.

EFFECT: group of inventions provides a film formulation with good stability, without buccal absorption and exhibiting bioequivalence to a tadalafil-containing tablet.

19 cl, 3 dwg, 5 tbl, 5 ex

Similar patents RU2681936C2

Title Year Author Number
CONSUMED FILM FOR IN-MOUTH HOLDING AND A METHOD FOR PREPARATION OF CONSUMED FILM 2001
  • Bess Uill'Jam S.
  • Kulkarni Neema
  • Ehmbajk Sukhas Kh.
  • Rehmsehj Majkl Pol
RU2256442C2
PREPARATION IN FORM OF FILM CONTAINING FREE DONEPEZILUM BASE AND METHOD FOR ITS MANUFACTURE 2014
  • Dzeon, Khong-Rieol
  • Kvon, Do-Voo
  • Li, Bong-Sang
  • Park, Su-Dzun
  • Cha, Bong-Geun
  • Kim, Dzun-Ki
  • Khan, Tszi-Jeong
  • Kil, Mieong-Cheol
RU2671487C2
METHOD OF TREATMENT OF PATIENTS WITH BACTERIAL INFECTION 1995
  • Vill'Jam Dzh.Kuratolo
  • Dzhordzh Kh.Fouldz
  • Khajler L.Fridman
RU2128998C1
FILM-COVERED TABLET OF IMPROVED SAFETY FOR UPPER DEPARTMENTS OF GASTROINTESTINAL TRACT 1998
  • Dansero Richard Dzhon
  • Bekker Petrus Jakobus
RU2193880C2
MOUTH-DISPERSED SOLID MEDICINAL FORMULATION 2002
  • Serpelloni Mishel'
RU2317812C2
HARD DRUG FORM CONTAINING ACTIVE AGENT WITH DISGUISED TASTE 2007
  • Shobel' Aleksander Mark
  • Vangala Shjam Sundar Kumar Sarma
RU2437657C2
COMPOSITIONS AND METHODS OF ACTIVE PHARMACEUTICAL INGREDIENT STABILISATION 2005
  • Nikols Uill'Jam Majkl
RU2391115C2
SOLID MEDICATION 2003
  • Koike Masakhiko
  • Kojama Khirojosi
  • Khamaguti Naoru
RU2357757C2
DRUG BASED ON 5-AMINO-2,3-DIHYDROPHTHALAZINE-1,4-DIONE AS QUICK-SOLUBLE FILM FOR TRANSBUCCAL INTRODUCTION 2017
  • Abidov Musa Tazhudinovich
  • Abidov Admir Musaevich
  • Malchuk Dmitrij Anatolevich
  • Kulesskij Aleksandr Vladimirovich
RU2635769C1
FILMS, DISSOLVING IN MOUTH CAVITY 2004
  • Chan' Shin Jueh
  • Chehn' Li-Lan'
  • Chetti Dushendra Dzh.
  • Lju Dzhon Tszjannan'
RU2351315C2

RU 2 681 936 C2

Authors

Nam Tack-Soo

Dates

2019-03-14Published

2015-06-19Filed