The Parkinson Study Group (PSG) long term observational PostCEPT Study is a source of data for the PD-DOC Database. The PD-DOC CORE-DS is collected as part of the PostCEPT study. The data is deidentified prior to being added to the PD-DOC Database. 

Below find the following documentation for the PostCEPT Study:

1. PostCEPT Protocol Synopsis 
2. Schedule of Activities which incorporates the CORE-DS.
3. Electronic links to published papers. 
4. Lay description of the study (not available at this time).

 
Link to PubMED Abstract: Mixed lineage kinase inhibitor CEP-1347 fails to delay disability in early Parkinson disease.

The Parkinson Study Group PRECEPT Investigators. Mixed lineage kinase inhibitor CEP-1347 fails to delay disability in early Parkinson disease, Neurology, Oct 2007; 69: 1480 - 1490.