Source / Research ethics framework

The Belmont Report

Published in 1979 by the U.S. National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research, the Belmont Report articulated three principles for research involving people.

Respect for persons, beneficence, and justice offered a shared language for evaluating consent, risks and benefits, and subject selection without pretending that a checklist could settle every ethical conflict.

Reading the report

Broad principles are connected to practical questions.

Belmont begins by separating clinical practice intended to benefit particular patients from research designed to produce generalisable knowledge. The distinction helps identify activities requiring independent ethical review.

Respect for persons supports meaningful choice

Individuals should be treated as autonomous agents, while people with diminished autonomy require protection. Applied to research, the principle requires more than a signature: information must be understandable, participation voluntary, and coercion or undue influence addressed. Capacity and dependence affect what genuine permission can mean.

Beneficence requires structured attention to harm

Investigators should avoid harm while maximising possible benefits and minimising risks. The report connects this principle to systematic assessment rather than personal confidence in a researcher's good intentions. Scientific validity matters ethically because poorly designed studies can expose participants without producing useful knowledge.

Justice asks who bears burdens and receives benefits

Subject selection should follow the research question rather than convenience, manipulability, or social disadvantage. Belmont invokes histories in which poor ward patients, prisoners, and Black men in the U.S. Public Health Service syphilis study carried burdens while others expected to receive the benefits.

History and limits

The report emerged from regulation, scandal, and argument.

The Nuremberg Code and Declaration of Helsinki had already framed research ethics internationally. Within the United States, exposure of unethical studies—including the decades-long syphilis study at Tuskegee—intensified pressure for federal action. The National Research Act created the commission that produced Belmont alongside more specific reports.

Belmont itself is not a statute and did not provide detailed administrative rules. Its principles influenced later federal protections, including the Common Rule, and became central to institutional review board reasoning. Regulations translate principles into procedures, but compliance does not guarantee that researchers understand community interests, structural inequality, or participants' lived experience.

The three principles can conflict. Respect for an individual's choice may coexist with unfair recruitment; potential social benefit may not justify severe risk; protecting a group can become exclusion from research and its benefits. New questions involving data, biobanks, emergency research, artificial intelligence, global trials, and community harms require interpretation beyond the report's original examples.

Across the collection

Continue from the Belmont Report

History of medical ethics

Connect research protections to professional duties, patient rights, public health, coercion, and resource justice.

History of clinical trials

Follow controls, randomisation, consent, regulation, registration, participant advocacy, and changing standards of evidence.

Hippocratic Oath

Compare an ancient professional oath with a modern framework centred on participants, institutions, and distributive justice.