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L'essentiel de la littérature réçente en Pneumologie

Dans cette rubrique on vous propose une revue de la littérature à travers une sélection d'abstracts d'articles originaux.
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Formulation development and evaluation of fast disintegrating tablets of salbutamol sulphate, cetirizine hydrochloride in combined pharmaceutical dosage form: a new era in novel drug delivery for pediatrics and geriatrics. Imprimer Envoyer
Samedi, 28 Mars 2015 11:00

The objective of the present study was to prepare the fast disintegrating tablet of Salbutamol Sulphate, Cetirizine Hydrochloride in combined tablet dosage form for respiratory disorders such as bronchitis, asthma, and coughing for pediatrics and geriatrics.

The tablets were prepared by direct compression technique. Superdisintegrant such as Sodium Starch Glycolate was optimized as 4% on the basis of least disintegration time. Different binders such as MCC and PVP K-30 were optimized along with optimized superdisintegrant concentration. 1% MCC was selected as optimum binder concentration on the basis of least disintegration time. The tablets were evaluated for hardness, friability, weight variation, wetting time, disintegration time, and drug content uniformity. Optimized formulation was further evaluated by in vitro dissolution test, drug-excipient compatibility, and accelerated stability study. Percent weight variation and content uniformity were within the acceptable limit. The friability was less than 1%. The wetting time and disintegration time were practically good for all formulations. FTIR studies and accelerated stability study showed that there was no interaction between the drug and excipients.

It was concluded that, by employing commonly available pharmaceutical excipients such as superdisintegrants, hydrophilic and swellable excipients and proper filler, a fast disintegrating tablet of Salbutamol Sulphate, Cetirizine Hydrochloride in combined tablet dosage form, were formulated successfully with desired characteristics.

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Advances in allergen immunotherapy: Aiming for complete tolerance to allergens. Imprimer Envoyer
Samedi, 28 Mars 2015 11:00

Allergen-specific immunotherapy (AIT) has been used for more than 100 years as a tolerance-inducing therapy for allergic diseases and represents a potentially curative method of treatment. AIT functions through multiple mechanisms, including regulating T and B cell responses, changing antibody isotypes, and decreasing mediator release and migration of eosinophils, basophils, and mast cells to affected tissues.

Despite the relative success of AIT, attempts are being made to improve this therapy in order to overcome problems in standardization, efficacy, safety, long duration of treatment, and costs. These have led to the development of biotechnological products with successful clinical results.

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Stratification of patients with severe asthma. Imprimer Envoyer
Samedi, 28 Mars 2015 11:00
Lancet Respir Med. 2015 Mar 20;
Authors: Bousquet J
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