Lupin, Inc.

Shailesh Suresh Bhamare

Himadri Sen

Rajesh Suresh Kshirsagar

An improved stable pharmaceutical composition for controlled release of an active ingredient comprises a betalactam antibiotic such as cephalexin, cefaclor or their pharmaceutically acceptable hydrates, salts or esters as active ingredient, a calcium salt and a mixture of hydrophilic polymers selected from the group consisting of at least one sodium alginate and one xanthan gum and with or without hydroxypropyl methylcellulose, said composition optionally containing probenecid. The composition may also contain one or more of a water soluble and/or water dispersible diluent, wherein the quantities of the hydrophilic polymers and water soluble and/or water dispersible diluents are such that the therapeutically effective active ingredient is released at a rate suitable for once or twice daily administration of the pharmaceutical composition.

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Aurangabad, India

Shailesh Suresh Bhamare