A team of Ïã¸ÛÁùºÏ²Ê researchers, led by Professor Anthony Schapira (Ïã¸ÛÁùºÏ²Ê Queen Square Institute of Neurology) are expected to launch a phase 3 clinical trial with the active ingredient of cough remedies, ambroxol, to assess its Âeffectiveness in hundreds of people with Parkinson’s.