Declaration of Helsinki 1996

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October 1996 17.C
Original: English
WORLD MEDICAL ASSOCIATION DECLARATION OF HELSINKI
Recommendations guiding physicians
in biomedical research involving human subjects
Adopted by the 18th World Medical Assembly
Helsinki, Finland, June 1964
and amended by the
29th World Medical Assembly, Tokyo, Japan, October 1975
35th World Medical Assembly, Venice, Italy, October 1983
41st World Medical Assembly, Hong Kong, September 1989
and the
48th General Assembly,Somerset West, Republic of South Africa, October 1996
It is the mission of the physician to safeguard the health of the people. His or her knowledge and
conscience are dedicated to the fulfillment of this mission.
The Declaration of Geneva of the World Medical Association binds the physician with the
words, “The health of my patient will be my first consideration,” and the International Code of
Medical Ethics declares that, “A physician shall act only in the patient’s interest when providing
medical care which might have the effect of weakening the physical and mental condition of the
patient.”
The purpose of biomedical research involving human subjects must be to improve diagnostic,
therapeutic and prophylactic procedures and the understanding of the aetiology and
pathogenesis of disease.
In current medical practice most diagnostic, therapeutic or prophylactic procedures involve
hazards. This applies especially to biomedical research.
Medical progress is based on research which ultimately must rest in part on experimentation
involving human subjects.
In the field of biomedical research a fundamental distinction must be recognized between
medical research in which the aim is essentially diagnostic or therapeutic for a patient, and
medical research, the essential object of which is purely scientific and without implying direct
diagnostic or therapeutic value to the person subjected to the research.
Special caution must be exercised in the conduct of research which may affect the environment,
and the welfare of animals used for research must be respected.
Because it is essential that the results of laboratory experiments be applied to human beings to
further scientific knowledge and to help suffering humanity, the World Medical Association has
prepared the following recommendations as a guide to every physician in biomedical research
involving human subjects. They should be kept under review in the future. It must be stressed
that the standards as drafted are only a guide to physicians all over the world. Physicians are not
relieved from criminal, civil and ethical responsibilities under the laws of their own countries.
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I. BASIC PRINCIPLES
1. Biomedical research involving human subjects must conform to generally
accepted scientific principles and should be based on adequately performed
laboratory and animal experimentation and on a thorough knowledge of the
scientific literature.
2. The design and performance of each experimental procedure involving human
subjects should be clearly formulated in an experimental protocol which should
be transmitted for consideration, comment and guidance to a specially appointed
committee independent of the investigator and the sponsor provided that this
independent committee is in conformity with the laws and regulations of the
country in which the research experiment is performed.
3. Biomedical research involving human subjects should be conducted only by
scientifically qualified persons and under the supervision of a clinically competent
medical person. The responsibility for the human subject must always rest with a
medically qualified person and never rest on the subject of the research, even
though the subject has given his or her consent.
4. Biomedical research involving human subjects cannot legitimately be carried out
unless the importance of the objective is in proportion to the inherent risk to the
subject.
5. Every biomedical research project involving human subjects should be preceded
by careful assessment of predictable risks in comparison with foreseeable benefits
to the subject or to others. Concern for the interests of the subject must always
prevail over the interests of science and society.
6. The right of the research subject to safeguard his or her integrity must always be
respected. Every precaution should be taken to respect the privacy of the subject
and to minimize the impact of the study on the subject’s physical and mental
integrity and on the personality of the subject.
7. Physicians should abstain from engaging in research projects involving human
subjects unless they are satisfied that the hazards involved are believed to be
predictable. Physicians should cease any investigation if the hazards are found to
outweigh the potential benefits.
8 In publication of the results of his or her research, the physician is obliged to
preserve the accuracy of the results. Reports of experimentation not in accordance
with the principles laid down in this Declaration should not be accepted for
publication.
9. In any research on human beings, each potential subject must be adequately
informed of the aims, methods, anticipated benefits and potential hazards of the
study and the discomfort it may entail. He or she should be informed that he or she
is at liberty to abstain from participation in the study and that he or she is free to
withdraw his or her consent to participation at any time. The physician should
then obtain the subject’s freely-given informed consent, preferably in writing.
10. When obtaining informed consent for the research project the physician should be
particularly cautious if the subject is in a dependent relationship to him or her or
may consent under duress. In that case the informed consent should be obtained by
a physician who is not engaged in the investigation and who is completely
independent of this official relationship.
11. In case of legal incompetence, informed consent should be obtained from the legal
guardian in accordance with national legislation. Where physical or mental
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incapacity makes it impossible to obtain informed consent, or when the subject is
a minor, permission from the responsible relative replaces that of the subject in
accordance with national legislation.
Whenever the minor child is in fact able to give a consent, the minor’s consent
must be obtained in addition to the consent of the minor’s legal guardian.
12. The research protocol should always contain a statement of the ethical
considerations involved and should indicate that the principles enunciated in the
present Declaration are complied with.
II. MEDICAL RESEARCH COMBINED WITH PROFESSIONAL CARE
(Clinical Research)
1. In the treatment of the sick person, the physician must be free to use a new
diagnostic and therapeutic measure, if in his or her judgment it offers hope of
saving life, reestablishing health or alleviating suffering.
2. The potential benefits, hazards and discomfort of a new method should be
weighed against the advantages of the best current diagnostic and therapeutic
methods.
3. In any medical study, every patient – including those of a control group, if any –
should be assured of the best proven diagnostic and therapeutic method. This does
not exclude the use of inert placebo in studies where no proven diagnostic or
therapeutic method exists.
4. The refusal of the patient to participate in a study must never interfere with the
physician-patient relationship.
5. If the physician considers it essential not to obtain informed consent, the specific
reasons for this proposal should be stated in the experimental protocol for
transmission to the independent committee (I, 2).
6. The physician can combine medical research with professional care, the objective
being the acquisition of new medical knowledge, only to the extent that medical
research is justified by its potential diagnostic or therapeutic value for the patient.
III. NON-THERAPEUTIC BIOMEDICAL RESEARCH INVOLVING HUMAN
SUBJECTS (Non-Clinical Biomedical Research)
1. In the purely scientific application of medical research carried out on a human
being, it is the duty of the physician to remain the protector of the life and health of
that person on whom biomedical research is being carried out.
2. The subjects should be volunteers – either healthy persons or patients for whom
the experimental design is not related to the patient’s illness.
3. The investigator or the investigating team should discontinue the research if in
his/her or their judgment it may, if continued, be harmful to the individual.
4. In research on man, the interest of science and society should never take
precedence over considerations related to the wellbeing of the subject.
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