Dilemmas in the use of active control groups in clinical research

MeSH terms

• Control Groups*
• Depressive Disorder
• Ethics Committees
• Ethics Committees, Research
• Human Experimentation*
• Humans
• Mentally Ill Persons
• Neoplasms
• Patient Selection
• Patients
• Pharmaceutical Preparations*
• Placebos*
• Psychotropic Drugs
• Random Allocation
• Research Design*
• Research Subjects
• Risk
• Risk Assessment