First Volunteers Dosed in Phase I Clinical Trial of PBT434

Prana Biotechnology has announced the first cohort of volunteers in its Phase I clinical trial have been administered PBT434, an experimental drug under investigation for the treatment of Parkinsonian diseases.

The trial conducted in Melbourne, Australia is recruiting and dosing healthy adult and elderly volunteers, to ascertain the optimal drug dose. The primary goal of the Phase 1 clinical trial is to demonstrate the safety and tolerability of PBT434, with a secondary endpoint of pharmacokinetic measures assessing and understanding how the drug is absorbed and metabolized in the human body.

PBT434 is the first of a new generation of small molecules designed to inhibit the aggregation of alpha(α)-synuclein and tau, critical intracellular proteins that are implicated in neurodegenerative diseases such Parkinson’s disease and atypical parkinsonism. PBT434 has been shown to reduce the pathological accumulation of these proteins in animal models of disease and has excellent potential to treat various forms of atypical Parkinsonism, such as Multiple System Atrophy (MSA) and Progressive Supranuclear Palsy (PSP).

"The first human administration of PBT434 is a major milestone for Prana. MSA and PSP are devastating diseases with no effective treatments and this is an important first step in developing a therapy for individuals with these diseases," Prana’s Chief Medical Officer and Senior Vice President, Clinical Development Dr. David Stamler, MD, said.

The development program for PBT434 is being led by Dr. Stamler from Prana’s San Francisco office. This was the second neurological agent that Dr. Stamler has led through the approval process with the FDA.

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