A growing number of patient-advocacy groups are playing matchmaker, linking patients to researchers who need them for clinical trials.
The move comes as a persistent shortage of volunteers has slowed trials of new treatments for cancer and other diseases, which typically involve a patient receiving a drug or a placebo. People, including healthy volunteers, also are urgently needed for studies to contribute to the overall understanding of diseases including Parkinson's and Alzheimer's, experts say.
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Source: The Wall Street Journal