IN2013MU01239AIN1239MU2013AIN2013MU01239AIN 2013MU01239 AIN2013MU01239 AIN 2013MU01239AIN 1239MU2013 AIN1239MU2013 AIN 1239MU2013AIN 2013MU01239 AIN2013MU01239 AIN 2013MU01239A
Authority
IN
India
Prior art keywords
methylphenidate
salts
relates
present
modified release
Prior art date
Application number
Inventor
Girish Kumar Jain
Rahul Sudhakar Dabre
Jitendrakumar Chordiya
Inderjeetsingh Huda
Original Assignee
Wockhardt Ltd
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.)
Filing date
Publication date
Application filed by Wockhardt LtdfiledCriticalWockhardt Ltd
Priority to IN1239MU2013priorityCriticalpatent/IN2013MU01239A/en
Publication of IN2013MU01239ApublicationCriticalpatent/IN2013MU01239A/en
The present invention relates to a process for preparing modified release pharmaceutical compositions of methylphenidate or salts thereof. In particular, the present invention relates to a modified release pharmaceutical composition comprising plurality of components exhibiting both immediate and extended release of methylphenidate or salts thereof. The composition may provide extended and specific release of methylphenidate or salts thereof to achieve therapeutically effective plasma concentration over a period of 12 hours to treat attention deficit disorders when administered to a patient in need thereof.
Estra-1,3,5(10),16-tetraene-3-carboxamide derivatives, processes for their preparation, pharmaceutical preparations comprising them and their use for preparing medicaments