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Journal of Postgraduate Medicine, Vol. 54, No. 3, July-September, 2008, pp. 241-242 Letter Authors' reply Harugeri A, Parthasarathi G, Ramesh M Department of Clinical Pharmacy, JSS College of Pharmacy, SS Nagara, Mysore Code Number: jp08085 Related articles: jp08053, jp08084 Sir, We agree it is essential that nevirapine 200 mg be administered once daily for two weeks, then escalate the frequency to twice daily. [1] Lopinavir + ritonavir (200 mg+50 mg) was administered twice daily as two tablets that is 400 mg/100 mg (200 mg+50 mg X two tablets BD). We indicated the strength available and missed the dose. We regret this error. Elevations in amylase and lipase levels were present and this was sufficient to say there was pancreatitis. Cases of pancreatitis have been reported in patients receiving lopinavir-ritonavir, including those who developed hypertriglyceridemia. Marked triglyceride elevation is a risk factor for development of pancreatitis with lopinavir-ritonavir. [2] Significant increase in triglyceride levels can occur within the first two months of initiating the lopinavir-ritonavir therapy. [3] As the triglyceride levels were not determined in this patient, we could not determine whether the pancreatitis was associated with elevated triglycerides or not, this is a limitation of our case. Mechanisms underlying the development of pancreatitis associated with the use of co-trimoxazole are not well understood. [3] The incidence of most adverse effects of co-trimoxazole in HIV-positive patients seems to be dose-dependent, and they are not true hypersensitivity reactions. Also as reported earlier, the association between Pancreatitis and co-trimoxazole is rare. [5] Reported cases of pancreatitis to co-trimoxazole have occurred at a dose of 960 mg administered twice daily. [6] Patient described in our case report was receiving lower prophylaxis dose of co-trimoxazole. [7] During the last admission, before the increase in the dose of co-trimoxazole itself, the patient′s amylase and lipase levels had increased. Hence, we feel that the association of pancreatitis with co-trimoxazole is unlikely. [1] Our purpose of publishing this case report is to point to the existence of a possible association between lopinavir-ritonavir and pancreatitis. Its outcome is not only limited to the association that has been described. It is a constant reminder to the physicians in India to have a high index of suspicion for possible adverse drug reactions as a part of differential diagnosis in every patient and to encourage them to notify any suspected adverse drug events to the recently introduced National Pharmacovigilance Programme. References
Copyright 2008 - Journal of Postgraduate Medicine |
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