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History of Ethics

 

Prior to 1906, when the Pure Food and Drug Act was passed, there were no regulations regarding the ethical use of human participants in research. There were no consumer regulations, no Food and Drug Administration (FDA), no Common Rule, and no Institutional Review Boards (IRBs). What follows is a brief discussion of why federal rules and regulations were established and why IRBs became a necessity.

 

Nuremberg Code: The most dramatic and well-known chapter in the history of research with human participants opened on December 9, 1946, when an American military tribunal opened criminal proceedings against 23 leading German physicians and administrators for their willing participation in war crimes and crimes against humanity. Among the charges were that German Physicians conducted medical experiments on thousands of concentration camp prisoners without their consent. Most of the participants of these experiments died or were permanently crippled as a result. As a direct result of the trial, the Nuremberg Code was established in 1948, stating that "The voluntary consent of the human participant is absolutely essential," making it clear that participants should give consent and that the benefits of research must outweigh the risks. Although it did not carry the force of law, the Nuremberg Code was the first international document which advocated voluntary participation and informed consent.

 

Thalidomide: In the late 1950s, thalidomide was approved as a sedative in Europe; it was not approved in the United States by the FDA. The drug was prescribed to control sleep and nausea throughout pregnancy, but it was soon found that taking this drug during pregnancy caused severe deformities in the fetus. Many patients did not know they were taking a drug that was not approved for use by the FDA, nor did they give informed consent. Some 12,000 babies were born with severe deformities due to thalidomide. U.S. Senate hearings followed and in 1962 the so-called "Kefauver Amendments" to the Food, Drug and Cosmetic Act were passed into law to ensure drug efficacy and greater drug safety. For the first time, drug manufacturers were required to prove to the FDA the effectiveness of their products before marketing them.

 

Declaration of Helsinki: In 1964, the World Medical Association established recommendations guiding medical doctors in biomedical research involving human participants. The Declaration governs international research ethics and defines rules for "research combined with clinical care" and "non-therapeutic research." The Declaration of Helsinki was revised in 1975, 1983, 1989 and 1996 and is the basis for Good Clinical Practices used today.

 

Issues addressed in the Declaration of Helsinki:

- Research with humans should be based on the results from laboratory and animal experimentation

- Research protocols should be reviewed by an independent committee prior to initiation

- Informed consent from research participants is necessary

- Research should be conducted by medically/scientifically qualified individuals

- Risks should not exceed benefits

 

Tuskegee Syphilis Study (1932-1972): During a research project conducted by the U.S. Public Health Service, 600 low-income African-American males, 400 of whom were infected with syphilis, were monitored for 40 years. Free medical examinations were given; however, participants were not told about their disease. Even though a proven cure (penicillin) became available in the 1950s, the study continued until 1972 with participants being denied treatment. In some cases, when participants were diagnosed as having syphilis by other physicians, researchers intervened to prevent treatment. Many participants died of syphilis during the study. The study was stopped in 1973 by the U.S. Department of Health, Education, and Welfare only after its existence was publicized and it became a political embarrassment. In 1997, under mounting pressure, President Clinton apologized to the study participants and their families.

 

National Research Act (1974): due to the publicity from the Tuskegee Syphilis Study, the National Research Act of 1974 was passed. The National Research Act created the National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research, which was charged to identify the basic ethical principles that should underlie the conduct of biomedical and behavioral research involving human participants and to develop guidelines which should be followed to assure that such research is conducted in accordance with those principles.

 

Radiation Experimentation and Human Participant Abuses: Another example of abuses of human participants occurred during World War II and the early cold war when U.S. officials studied the effects of radiation through experiments on hospital patients, pregnant women, retarded children, and enlisted military personnel. Few of the participants of the experiments gave informed consent; most had no knowledge that they were being subjected to radioactive materials. Manhattan Project officials authorized the wartime experiments to establish health and safety standards for the thousands of workers in atomic bomb plants. After the war, as the cold war deepened, officials justified expanded study of the effects of radiation on the grounds of national security. Following congressional investigations, numerous official reports, scholarly studies, and lawsuits, the government in the 1990s offered apologies and financial compensation to some of the human radiation testing victims.

 

The Belmont Report: Carrying out its charge, the National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research prepared the Belmont Report in 1979. The Belmont Report attempts to summarize the basic ethical principals identified by the Commission in the course of its deliberations. The Report is a statement of basic ethical principles and guidelines that should assist in resolving the ethical problems that surround the conduct of research with human participants.

 

Related Link:

http://www.hhs.gov/ohrp/humansubjects/guidance/belmont.html

http://www.hhs.gov/ohrp/humansubjects/guidance/45cfr46.html

http://www.jbjs.org./article.aspx?Volume=89&page=418

 

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