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Effect of nimesulide co-administration on pharmacokinetics of lithium
Shabir Sidhu1, Amit Kondal, Samir Malhotra
1Department of Pharmacology, Postgraduate Institute of Medical, Education & Research, Chandigarh 160012, India.
Abstract:
In a crossover study, lithium was given orally at a dose of 56 mg/kg, prepared as suspension (0.5%) in carboxymethyl cellulose (CMC) and blood samples (1 ml) collected after 0-24 hr after drug administration. After a washout period of two weeks, nimesulide (10 mg/kg) was administered alongwith lithium (56 mg/kg) and blood samples were drawn at the same time intervals (0-24 hr) after drug administration. Plasma was separated and assayed for lithium by M 654 Na+/K+/Li+ analyzer and various pharmacokinetic parameters were calculated. C(max), K(el), t(1/2el) and AUC(0-alpha) of lithium were significantly increased when nimesulide was administered along with lithium as compared to control group.
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