期刊
CNS DRUGS
卷 32, 期 5, 页码 443-454出版社
ADIS INT LTD
DOI: 10.1007/s40263-018-0512-x
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-
资金
- NeuroDerm Ltd.
Background Subcutaneous apomorphine is used for the treatment of Parkinson's disease (PD); however, infusion site reactions are a common adverse event (AE), which can lead to treatment discontinuation. Apomorphine formulations that are more tolerable and convenient for use are needed. Objective Our aim was to compare the toxicity and bioavailability of ND0701, a new concentrated formulation of apomorphine free base, with one of the commercially available apomorphine HCl formulations (APO-go (R), Britannia Pharmaceuticals Ltd). Methods (1) Preclinical study: 16 minipigs were randomly assigned to placebo, APO-go (R), and ND0701 groups, and treated for 28 days. Pharmacokinetic, clinical, and pathological assessments were performed. (2) Phase I study: 18 healthy volunteers participated in an open-label, two-sequence, randomized, three single-dose, partial crossover study to compare the pharmacokinetics, safety, and tolerability of ND0701 with APO-go (R) (1%). Results (1) Preclinical study: No systemic toxicity was observed in apomorphine-treated minipigs, but local skin reactions were observed at the infusion sites. These effects were less frequent and less severe and recovery was more rapid for ND0701 compared with APO-go (R). (2) Phase I study: Both formulations were safe and well tolerated under the conditions of the study and no severe or serious treatment-emergent AEs were reported. Infusion site nodules were reported more frequently, with higher severity, and recovered slower at APO-go (R)-treated sites compared with ND0701-treated sites. Bioavailability of apomorphine was comparable between the two formulations. Conclusion Based on these pilot studies, ND0701 appears to be superior to APO-go (R) in terms of tolerability and safety, while maintaining comparable bioavailability with APO-go (R), and shows promise as a future treatment for PD.
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