CHUV experiments with patients knowingly taking placebos

The Centre hospitalier universitaire vaudois (CHUV) in Lausanne is pioneering research into the efficacy of placebos when patients are fully aware they are receiving them. This approach challenges the long-held perception of placebos as a form of benevolent deception used to manage symptoms.

Aurore Fernandez, a postdoctoral researcher at CHUV's Centre for Integrative and Complementary Medicine, explained the underlying principle. "Our body has learned that when we take medication, there will be an effect, and it anticipates it. It therefore reacts automatically to taking the placebo," she stated. This suggests that the body's physiological response can be triggered by the ritual of treatment itself, rather than solely by the active substance.

This experimental project aims to test the practical application of these findings. If successful, it could lead to new therapeutic strategies that leverage the body's own anticipatory mechanisms. The research indicates that the placebo effect might be more robust than previously thought, potentially working even without the element of surprise or belief in a "real" drug.

The study focuses on how the body's biological circuits, including those releasing endorphins for pain relief, can be activated. This opens up possibilities for using placebos more transparently in medical practice, potentially reducing reliance on active drugs for certain conditions and exploring the mind-body connection in healing.

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Our body has learned that when we take medication, there will be an effect, and it anticipates it. It therefore reacts automatically to taking the placebo. Not necessary to believe for it to work.