YES .. Genetic tests can predict when placebos may be the best medicine
https://www.cell.com/trends/molecular-medicine/fulltext/S147...
"Highlights
•Predisposition to respond to placebo treatment may be in part a stable heritable trait.
• Candidate placebo response pathways may interact with drugs to modify outcomes in both the placebo and drug treatment arms of clinical trials.
• Genomic analysis of randomized placebo and no-treatment controlled trials are needed to fully realize the potential of the placebome."