Answer:
Usually occurs in a hospital.
Explanation:
A clinical trial is a controlled experiment on human volunteers used to:
• Assess the safety and effectiveness of treatments or interventions against diseases and health problems of any kind;
• Determine the pharmacological, pharmacokinetic and pharmacodynamic effects of new therapies.
• Includes the study of adverse reactions.
Because it is an experiment in which there is a need for the use of hospital equipment, in addition to the need for an adequate and regulated environment; Clinical trials are usually performed in hospital, or medical clinics.