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Intracerebroventricular anaerobic dopamine in Parkinson’s disease with l-dopa-related complications: a phase 1/2 randomized-controlled trial
Published version of a preprint
Abstract
Continuous compensation for cerebral dopamine deficiency represents an ideal treatment for Parkinson's disease. Dopamine does not cross the digestive and blood-brain barriers and is rapidly oxidized. The new concept is the intracerebroventricular administration of anaerobic dopamine (A-dopamine) using an abdominal pump connected to a subcutaneous catheter implanted in the third ventricle, near the striatum. An open-label phase 1 study showed no serious adverse reactions induced by A-dopamine in 12 patients. A randomized, controlled, open-label, crossover phase 2 study of 1 month of A-dopamine versus 1 month of optimized oral antiparkinsonian therapy was conducted in 9 patients. The primary endpoint, a blinded assessment of the percentage over target (that is, time with dyskinesia or bradykinesia), recorded by home actimetry using a wristwatch, was significantly reduced on A-dopamine compared with that on oral treatment alone (P = 0.027), with a median within-patient difference of -10.4 (Hedge g = -0.62 (95% confidence interval: -1.43, -0.08)). Home diaries were also significantly improved. These initial data on the feasibility, safety and effects of this new device-assisted therapy suggest validation by a large randomized double-blind trial. ClinicalTrials.gov registration: NCT04332276 .
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Metadata
- Authors
- Moreau, C., Odou, P., Labreuche, J., Demailly, A., Touzet, G., Reyns, N., Gouges, B., Duhamel, A., Barthelemy, C., Lannoy, D., Carta, N., Palas, B., Vasseur, M., Marchand, F., Ollivier, T., Leclercq, C., Potey, C., Ouk, T., Baigne, S., Dujardin, K., Carton, L., Rolland, A. S., Devedjian, J. C., Foutel, V., Deplanque, D., Fisichella, M., & Devos, D.
- Venue
- Nature Medicine
- Published
- 2025-01-07
- Volume
- 31
- Issue
- 3
- Pages
- 819-828
- ISSN
- 1078-8956
- 1546-170X
- Cited by
- 15
- References
- 37
- Language
- en
- Licence
- creativecommons.org/licenses/by-nc-nd/4.0 (tdm)
- creativecommons.org/licenses/by-nc-nd/4.0 (vor)
- Funders
- InBrain Pharma
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