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Inhalation of Levodopa in Parkinson's disease

Completed
Conditions
Parkinson's diseaseziekte van Parkinson
Registration Number
NL-OMON25573
Lead Sponsor
Department of Pharmaceutical Technology and Biopharmacy, Faculty of Mathematics and Natural Sciences, University of Groningen
Brief Summary

Can Patients with Parkinson’s Disease Use Dry Powder Inhalers during Off Periods? M. Luinstra, A. W. F. Rutgers, H. Dijkstra et al. Published: July 14, 2015. DOI: 10.1371/journal.pone.0132714 <br><br> A levodopa dry powder inhaler for the treatment of Parkinson's disease patients in off periods. M. Luinstra, F. Grasmeijer, P. Hagedoorn et al. Eur J Pharm Biopharm. 2015 Oct 7. pii: S0939-6411(15)00404-X. doi: 10.1016/j.ejpb.2015.10.003

Detailed Description

Not available

Recruitment & Eligibility

Status
Completed
Sex
Not specified
Target Recruitment
8
Inclusion Criteria

Signed informed consent.

Diagnosed with Parkinson’s disease

Exclusion Criteria

Cognitive dysfunction, which precludes good understanding of instructions and/or informed consent.

Pregnant or breast feeding.

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Maximum levodopa concentration in plasma(Cmax).<br /><br>Time to maximum concentration (Tmax).<br /><br>Area under the concentration time (minutes) curve at 0-180 min (AUC0-180) after administration of the dose (related to the actual dose administered, weighed dose minus remained dose in inhaler after inhalation).<br>
Secondary Outcome Measures
NameTimeMethod
Absorption rate constant (Ka) of levodopa after pulmonary administration.<br /><br>Terminal elimination half life (T1/2el) of levodopa after pulmonary administration.<br /><br>Decrease of FEV1 in percentage measured by spirometry (at predose, 35 and 100 minutes after administration.<br /><br>Number of participants with adverse events (both spontaneously reported and reported as a result of questioning by the researcher. <br>
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