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Phase I study evaluating the safety, tolerability and pharmacokinetics of a novel oral dissolvable film containing dexamethasone versus Fortecortin dexamethasone tablets.

ABSTRACT: Introduction: Systemic corticosteroids are anti-inflammatory agents with dexamethasone among the most potent in the class. Within (respiratory) allergy, systemic corticosteroids are usually applied in medical emergencies. In these situations, patients may experience physical or logistic problems taking tablets. To fulfil a practical unmet need for outpatients, Dexa ODF, an oral dissolvable film containing dexamethasone, was developed. Objectives: We compared the safety, tolerability and pharmacokinetics (PK) of Dexa ODF with Fortecortin tablets in healthy subjects. Methods: Thirty subjects participated in this open label, two-way, cross-over study, consisting of two treatment visits separated by 5-10 days. On both treatment visits, subjects randomly received one single dose of Dexa ODF (one strip; 8 mg dexamethasone) or one single dose of Fortecortin (two 4 mg tablets). Safety evaluations and blood sampling for PK were conducted until 48 h post-dose and bioequivalence analysis was performed on AUC(0-t), AUC(0-∞) and Cmax. Results: All subjects were dosed. Forty-five adverse events (AEs) were reported by 17 subjects and approximately 50% were deemed 'possibly treatment related' (14 on Dexa ODF; 12 on Fortecortin) with no significant difference between treatments. For all three bioequivalence parameters the 90% CIs were within the acceptance limits of bioequivalence (0.8;1.25). Conclusion: We demonstrated good tolerability and bioequivalence of Dexa ODF (8 mg dexamethasone) compared to Fortecortin tablets (2 × 4 mg dexamethasone). Dexa ODF is currently under development as an innovative treatment for use within respiratory and allergic conditions, including emergencies.

SUBMITTER: Diamant Z

PROVIDER: S-EPMC5553100 | biostudies-other | 2017

REPOSITORIES: biostudies-other

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Project description:BackgroundOral drug formulations have several advantages compared to intravenous formulation. Apart from patient convenience and favorable pharmacoeconomics, they offer the possibility of frequent drug administration at home. In this study, we present a new oral irinotecan formulation designed as an enteric coated immediate release tablet which in pre-clinical studies has shown good exposure with low variability.MethodsA phase I, dose escalating study to assess safety, tolerability, pharmacokinetics and efficacy of an oral irinotecan formulation and to establish the maximum tolerated dose (MTD). Each treatment cycle was once-daily irinotecan for 14 days followed by 1 week rest.Results25 patients were included across four cohorts; 3 patients were included in cohort 1 (20 mg/m2), 7 patients were included in cohort 2 (30 mg/m2), 3 patients were included in cohort 3 (25 mg/m2) and 12 patients were included in cohort 4 (21 mg/m2). Median age was 67 years, 52% were performance status (PS) 0 while 48% were PS 1. Median number of prior therapies was 3 (range 1-6). MTD was established at 21 mg/m2. No responses were observed. Nine patients (36%) had stable disease (SD), lasting median 19 weeks (range 7-45 weeks). Among these five patients had previously received irinotecan. No grade 3/4 hematologic toxicities were reported. Totally six patients experienced grade 1/2 anemia, three patients had grade 1/2 leucopenia and 1 patient had grade 1 thrombocytopenia. Most common non-hematological grade 1 and 2 adverse events were nausea, fatigue, diarrhea, vomiting and cholinergic syndrome. Grade 3 toxicities included diarrhea, fatigue, nausea and vomiting, no grade 4 events were reported. PK data showed consistent daily exposures during treatment at days 1 and 14 and no drug accumulation. SN-38 interpatient variability was in the same range as after infusion.ConclusionsOral irinotecan was generally well tolerated; side effects were manageable and similar in type to those observed with intravenous irinotecan. Hematological toxicities were few and only grade 1/2. In this heavily pre-treated patient population, oral irinotecan demonstrated activity even among patients previously treated with irinotecan.

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Phase I study evaluating the safety, tolerability and pharmacokinetics of a novel oral dissolvable film containing dexamethasone versus Fortecortin dexamethasone tablets.

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