Relieving pain using dose-extending placebos: a scoping review.

Area of Science:

• Pharmacology
• Pain Management
• Clinical Therapeutics

Background:

• Placebos are often used deceptively, raising ethical concerns.
• Emerging research suggests placebos might extend the therapeutic effects of active medications.

Purpose of the Study:

• To investigate if placebos administered after active treatments can acquire medication-like effects.
• To explore the potential of placebos as a dose-extending strategy for analgesics.

Main Methods:

• Systematic review of a database of placebo studies.
• Analysis of studies in both animal and human models examining placebo effects post-active treatment.

Main Results:

• Evidence from 22 studies suggests placebos may extend the analgesic effects of painkillers.
• This suggests placebos can function as a 'dose extender' for pain relief.

Conclusions:

• Intentionally using placebos as dose extenders could reduce drug intake, side effects, and patient dependence.
• This approach may lower treatment costs and limit dose escalation, warranting clinical consideration with proper informed consent.