[Mucoadhesive buccal films of tramadol for effective pain management].

Abstract:

BACKGROUND AND OBJECTIVES:Tramadol hydrochloride is a centrally-acting synthetic opioid analgesic binding to specific opioid receptors. It is used in the management of chronic pain and is recommended as first line drug in the treatment of postoperative or orthopedic injury induced acute pain. The present work is designed to prepare and evaluate mucoadhesive buccal film of tramadol hydrochloride as a novel form of prolonged analgesia for patients with orthopedic injuries. METHODS:Buccal films of tramadol hydrochloride were prepared by solvent casting method. The prepared films were evaluated for the various evaluation parameters like thickness, surface pH, weight uniformity, content uniformity, folding endurance, swelling index, in vitro drug release study, in vitro test for mucoadhesion and in vivo studies (primary mucosal irritancy test and analgesic activity). RESULTS:All the formulations exhibited good results for physicochemical characterizations. In in vitro drug release study the films exhibited controlled release more than 12hours. The formulation BFT2 (containing chitosan and PVP K-90) showed no irritant effect on buccal mucosa and elicit the significant in vivo analgesic activity with 57.14% analgesia against that of standard (61.04%). It was concluded that the mucoadhesive films of tramadol hydrochloride can be effectively used to alleviate the severe pain of orthopedic injuries with prompt onset and prolonged action.

journal_name

Rev Bras Anestesiol

authors

Li XQ,Ye ZM,Wang JB,Fan CR,Pan AW,Li C,Zhang RB

doi

10.1016/j.bjan.2016.10.006

subject

Has Abstract

pub_date

2017-01-01 00:00:00

pages

231-237

issue

3

eissn

0034-7094

issn

1806-907X

pii

S0034-7094(16)30219-7

journal_volume

67

pub_type

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