Prediction markets are now letting users bet on the success of life-saving medical trials, and doctors are sounding the alarm that this could open the door to sabotage. When Pederson heard about prediction markets letting people bet on trial outcomes, he was horrified. He also noted that while the stock market and prediction markets both allow betting on trial outcomes, prediction markets at least offer transparency that could benefit researchers. Prediction markets could jeopardize trust in the processNicholas Zaorsky, a professor of radiation oncology at the Mayo Clinic, echoed those concerns. He’s helped run clinical trials and believes prediction markets could undermine trust in the entire process.