A Phase 2 trial evaluating the efficacy and safety of investigational Anavex 2-73 as a treatment for Parkinson’s disease dementia has recruited half of its targeted patients, the therapy’s developer, Anavex Life Sciences, has announced.
The study is still recruiting Parkinson’s disease patients age 50 or older who have been diagnosed with dementia. The Phase 2 trial is being conducted across several clinical sites in Spain, and has received the support of the Michael J. Fox Foundation for Parkinson’s Research and León Research.
“We are encouraged by the rate of patient enrollment in this Phase 2 study and the potential for Anavex 2-73 to become a therapy for this unmet need given that up to 80% of Parkinson’s patients develop dementia,” Christopher U. Missling, PhD, president and chief executive officer of Anavex, said in a press release.
The Phase 2 trial (2017-004335-36) expects to enroll 120 patients who will be randomized to receive orally 10 or 20 mg of Anavex 2-73 or a placebo for 14 weeks. Researchers will evaluate the impact of the treatment on cognition, as determined by the cognitive drug research computerized assessment system, as well as patients’ motor function and sleep quality.
The study will also assess genomic precision medicine biomarkers, previously identified to respond to Anavex 2-73 in a Phase 2 trial (NCT02244541) in Alzheimer’s disease.
Anavex 2-73, originally developed as a potential disease-modifying therapy for Alzheimer’s, is given orally to activate a cellular receptor called Sigma-1 (SIGMAR1), known to have neuroprotective effects. Specifically, activation of SIGMAR1 can help reduce neuroinflammation, as well as the accumulation of beta-amyloid and tau proteins and oxidative stress, all known to contribute to the progression of neurodegenerative disorders.
According to a recent study published in the journal Cells, the therapy exerts its neuroprotective effects by re-establishing the normal functioning of cells’ “recycling system,” preventing the accumulation of toxic protein clumps.
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