Clinical drug investigation
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Effective treatment of postoperative pain contributes to decreasing the rate of complications as well as the total cost of the operated patients. The aim of this study was to analyze the costs and the efficiency of use of continuous infusion of levobupivacaine 0.5 % with the help of an infusion pump in modified radical mastectomy. ⋯ clinicaltrials.gov: reference number NCT01389934. http://clinicaltrials.gov/show/NCT01389934
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Trastuzumab emtansine (T-DM1, KADCYLA(®)) is an antibody-drug conjugate comprised of the cytotoxic agent DM1 and trastuzumab (HERCEPTIN(®)). The safety profile of T-DM1 in human epidermal growth factor receptor 2 (HER2)-positive locally advanced or metastatic breast cancer previously treated with trastuzumab and a taxane was investigated in the phase III EMILIA trial. The trial demonstrated clinically and statistically meaningful differences in the safety profile between T-DM1 and capecitabine plus lapatinib (CAP + LAP). The objective of this study was to estimate the costs of managing treatment-related grade ≥ 3 adverse events (AEs) that occurred in ≥ 2% of patients and grade 2 AEs that occurred in ≥ 5% of patients taking T-DM1 compared with patients taking CAP + LAP based on the EMILIA trial, from the perspective of Canadian public payers. ⋯ From a Canadian perspective, this analysis demonstrated that utilizing T-DM1 for the management of HER2-positive metastatic breast cancer results in substantial savings to the public health-care system when considering the costs of treatment-related AEs, due to fewer amount of toxicities compared with CAP + LAP. Results of various sensitivity analyses investigating changes in number and costs of AEs confirmed the findings; however, the magnitude of cost savings varied. Further analyses are necessary to determine whether these cost savings would occur in other countries and health-care systems.
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Hereditary angioedema (HAE), a rare autosomal dominant genetic disorder, is caused by a deficiency in functional C1 esterase inhibitor (C1-INH). This potentially life-threatening condition manifests as recurrent attacks of subcutaneous and submucosal swelling of the skin, gastrointestinal tract and larynx. The management of HAE includes treatment of acute episodes, short-term prophylaxis in preparation for exposure to known triggers and long-term prophylaxis to decrease the incidence and severity of HAE attacks. ⋯ The safety and efficacy of rhC1-INH in the treatment of acute attacks in patients with HAE were demonstrated in three randomized, double-blind, placebo-controlled studies and two open-label extension studies. In a pilot prophylaxis study, weekly administration of rhC1-INH 50 U/kg for 8 weeks reduced the incidence of HAE attacks and was well tolerated. Administration of rhC1-INH has not been associated with the development of anti-drug antibodies or antibodies to anti-host-related impurities.
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Observational Study
Observational study of intravenous lacosamide in patients with convulsive versus non-convulsive status epilepticus.
Status epilepticus (SE) is an important emergency situation associated with high morbidity and mortality. The goal of pharmacological therapy-rapid seizure termination-is only achieved in just over half of patients with first-line anti-epileptic drug (AED) therapy and many patients require second and higher lines of AEDs to achieve seizure termination; therefore, there is a clear need for more effective treatment options. Lacosamide is a relatively new AED and the intravenous formulation has shown promise for treatment of SE. The aim of the current study was to compare electroencephalographic (EEG) response and seizure termination with intravenous lacosamide (±other AEDs) in patients with convulsive versus non-convulsive SE, in a Spanish intensive care setting. ⋯ Intravenous lacosamide (±other AEDs) was similarly effective in patients with convulsive or non-convulsive SE. Further investigation into the use of lacosamide in the treatment of SE is warranted.
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Randomized Controlled Trial
A novel once-daily fixed-dose combination of memantine extended release and donepezil for the treatment of moderate to severe Alzheimer's disease: two phase I studies in healthy volunteers.
Combining two standard-of-care medications for Alzheimer's disease (AD) into a single once-daily dosage unit may improve treatment adherence, facilitate drug administration, and reduce caregiver burden. A new fixed-dose combination (FDC) capsule containing 28 mg memantine extended release (ER) and 10 mg donepezil was evaluated for bioequivalence with co-administered commercially available memantine ER and donepezil, and for bioavailability with regard to food intake. ⋯ An FDC capsule containing 28 mg memantine ER and 10 mg donepezil is bioequivalent to commercially available memantine ER and donepezil, and bioavailability is not affected by food intake or sprinkling of capsule contents on applesauce.