Role of Institutional Ethics Committees in Research

Ethical review committees (or institutional ethics committees) are formally constituted bodies specifically charged with overseeing the ethical standards of medical investigations.
Their primary role is to rigorously vet and review research protocols prior to the initiation of any study.
The committee is responsible for either approving or rejecting these protocols to ensure that the planned research demonstrates sound ethics.

A fundamental requirement for the validity and integrity of an ethics committee is its strict independence.
The members comprising the committee must be entirely independent of the principal investigator conducting the research.
Committee members must also be completely independent of the study's sponsor and remain free from any other kind of undue influence that could bias their evaluation.

Committees evaluate research based on established international ethical guidelines, prominently including the Helsinki Declaration, which provides a set of principles to guide clinicians on the ethics of clinical trials and other research.
Reviews are also guided by foundational ethical documents like the Nuremberg Code, which outlines 10 strict standards for carrying out clinical research involving human subjects.

Informed Consent: Committees ensure that protocols mandate voluntary informed consent, requiring that patients are fully informed of the study's purpose, treatment methods, risks, benefits, data-collection procedures, and their absolute right to withdraw at any time.
Risk–Benefit Analysis: Committees evaluate the balance of risks and benefits, ensuring that the potential positive results of a specific therapeutic action outweigh the potential hazards and risks to the participating patients.
Trial Design Ethics: Committees must assess the ethical justification of specific trial designs, such as the use of placebo or sham procedures (which are often ethically difficult to defend in surgical trials), or the need for treatment switching (where patients are moved to an alternative treatment due to lack of efficacy or safety, often required in cancer trials for ethical reasons).
The "Uncle Test": A practical ethical benchmark sometimes considered is whether a doctor would be willing to randomize themselves or a close relative into any arm of the proposed study.