the ethical conduct of research with humans human subjects division box 355752 3935 university way,...
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![Page 1: The Ethical Conduct of Research with Humans Human Subjects Division Box 355752 3935 University Way, NE Seattle, WA 98105-6613 (206) 543-0098 (T) (206)](https://reader036.vdocuments.mx/reader036/viewer/2022062714/56649d625503460f94a44f07/html5/thumbnails/1.jpg)
The Ethical Conduct of Research with Humans
Human Subjects DivisionBox 355752
3935 University Way, NESeattle, WA 98105-6613
(206) 543-0098 (T)(206) 685-9502 (F)
http://depts.washington.edu/hsd
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Why do human subjects need protections?
Tuskeegee Syphilis Trial harm to individuals: withholding treatment,
deception harm to groups: loss of community trust
Nazi era experiments hypothermia studies: are data collected under
unethical conditions invalid data? starvation disease study: importance of
considering intent and relationship between researcher and researched in evaluating ethics
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Why do human subjects need protections?
T-Room Trade Study withholding information from subjects lack of informed consent lack of confidentiality
Hide the Cat study research with minors held to a higher standard
Milgrom’s Obedience to Authority Study inflicted insight unanticipated adverse events
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Why do human subjects need protections?
Randomized face lift study research without regulatory oversight
Gene transfer study at U. Penn. use of approved consent procedures importance of reporting adverse events conflict of interest
VCU twin study who’s a study subject?
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What protections are in place? Nuremberg Code: non-treatment experiments Helsinki Convention: WMA Health and Human Services: 45 CFR 46 U.S. Food and Drug Administration: 21 CFR 50, 56 Sponsor policies: NIH, etc. State law: medical records, genetic privacy, consent,
tissue from autopsy Institutional policy (UW, VA, etc.) Institutional Review Boards (IRBs) / Human
Subjects Review Committees (HSRCs)
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What are my responsibilities as a researcher?
Recognize what activities constitute research with human subjects and obtain appropriate IRB review and approval
Research = A systematic investigation designed to develop or contribute to generalizable knowledge. (45 CFR 46.102 (d)) -- distinct from “practice”
Human Subject = A living individual about whom an investigator… conducting research obtains (1) Data through intervention or interaction with the individual, or (2) Identifiable private information. (45 CFR 46.102(f))
Design research in accord with the ethical principles.
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What are the ethical principles on which the regulations and codes are based?
Respect (autonomy of subjects)
Beneficence (benefits outweigh risks)
Justice (selection of subjects is equitable)
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The principle of respect Humans should be treated as autonomous agents Those with diminished autonomy are entitled to
protection Implementation of principle is informed consent There is a continuum from prospective explicit
informed consent to complete waiver of consent Issues:
assessing autonomy/competence assessing comprehension protecting vulnerable subjects/populations trust and sharing of authority
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Implementing the principle of respect: informed consent
Consent is a continuous process, not a one-time event based on face-to-face conversation requires continuing reiteration
when initial consent obtained under stressduring longitudinal studies
A document evidentiary, but not a legal contract useful information for subjects
names and contact informationreminder about study procedures
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Informed Consent Content of consent process based on requirements
stated in the Belmont Report information comprehension voluntariness
“While the importance of informed consent is unquestioned, controversy prevails over the nature and possibility of an informed consent.”
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Types of informed consent
• Written consent/assent* forms
• Oral consent/assent
• Proxy consent/assent
• Waiver of consent/assent
*Minors younger than 18 years of age and adults not mentally competent to provide legally effective consent must provide “assent.”
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Informed Consent: Basic Rules Short words Short sentences Large type font, wide margins Avoid technical language or jargon Avoid passive tense Do not use first person voice Do not include exculpatory language Use language of subject population
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Informed Consent: Basic Rules Use written text or narrative approved by IRB Form must be signed and dated by subject or
legally authorized representative PI or designee administering consent must sign
and date Give copy to subject/ representative Place in medical record if study is relevant to
clinical care
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Exceptions to (written) documentation of consent
The consent form is the only record linking subject and research / poses risk, OR
Study risks of harm are no more than minimal
Study involves procedures for which consent is not normally required
Subjects should be provided with documentation if they want to have it
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Privacy and Confidentiality
Culture-sensitive; valued highly in U.S. society
Approach issues Use intermediaries Create recruitment method through which
subjects contact researcher Using records to screen prospective subjects
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Privacy and Confidentiality Do anonymous research whenever possible Code data with a unique study code (self-
generated?) Destroy identifiers as soon as possible Protect data: removable hard drive; master
list linking code to names stored securely, separately
Protect phone lines, privacy of interview, phone calls, letters that don't refer to study topic, good building security, etc.
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Vulnerable Subjects Minors, students Prisoners Pregnant women Fetuses Cognitively impaired Educationally and economically disadvantaged People with acute and chronic diseases or
conditions
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What are the ethical principles on which the regulations and codes are based?
Respect (autonomy of subjects)
Beneficence (benefits outweigh risks)
Justice (selection of subjects is equitable)
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Beneficence Probability of benefits must outweigh risks of
harm clinical equipoise
Study must maximize benefits and minimize risks of harm good study design, sample size competent researchers
Benefits to society vs. risks of harm to individuals: apples and oranges individual subjects rarely benefit society must place value on research
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Beneficence Benefits: neither over- nor under-state Types of benefits:
direct collateral aspirational
Dimensions of benefits: nature magnitude (size and duration) likelihood
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Risks of harm Harms are not just physiological
Psycho-social: depression, emotional distress, personal relationships
Socio-economic: stigmatization, loss of insurance, employment, benefit program, housing, economic support
Harms are variable by age, gender, ethnicity, and environment
Harms can result to groups as well as individuals
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Researcher Responsibilities
Design research in accord with ethical principles
Respect (autonomy of subjects)
Beneficence (benefits outweigh risks)
Justice (selection of subjects is equitable)
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What are the ethical principles on which the regulations and codes are based?
Respect (autonomy of subjects)
Beneficence (benefits outweigh risks)
Justice (selection of subjects is equitable)
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Justice/Equitability Assure that results of the study will benefit
the community Avoid exploitation of populations of
convenience Include all affected populations Consider factors like gender, age, ethnicity Consider issues of access:
transportation childcare compensation
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Compliance Know the categories of research
“exempt” (no risk)reviewed by Departmentuse “Certificate of Exemption” form
“expeditable” (minimal risk)reviewed by HSRC sub-committeeuse regular HSRC application form
full IRB review (more than minimal risk)reviewed by HSRC at convened meetinguse HSRC application form
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Full Review
More than minimal risk Involves investigational drug, device,
surgical intervention Involves experimental psycho-social,
educational, or organizational intervention Involves vulnerable population
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No No
Yes
Yes YesNo
Human SubjectsReview Committeereviews, assigns #
Human SubjectsReview Sub-committeereviews;assigns #,reports to full Committee
Department reviews;HSD doesadministrative check;assigns #
ResearchProposal
RiskLevel?
No Risk(“Exempt”)
Certification of Exemption
Minimal Risk(“Expedited”)
HSRC application form
More than minimal risk(“Full Committee”)
HSRC application form
Approves? Approves? Approves?
Approved forno more than
one year
Approved forfive years
Approvaldenied; appeal
possible
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HSRC/IRB Review Risk of harm versus potential benefits of study
(includes evaluation of study design only when risk-benefit evaluation is problematic)
Protections of subject privacy and confidentiality (recruitment and data management)
Consent process
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Researcher Responsibilities Prepare applications in lay language
(Scientific American) Answer ALL questions -- use “does not
apply” if appropriate In studies of therapeutic or diagnostic
interventions, identify what is experimental and what isn’t
Do not conduct research until final IRB approval
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Researcher Responsibilities Assure that non-UW sites obtain IRB
approval Obtain IRB approval for changes before
implementation except to prevent immediate harm to subjects
Apply for continuing review and approval well before current approval period expires
Do not conduct research if approval lapses Report problems promptly
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Reporting to IRB, Institution, Sponsor
Unanticipated adverse events or problems Adverse events that are more frequent or
serious than expected Protocol violations Subject complaints, withdrawals for cause Study closure
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Researcher ResponsibilitiesDOCUMENT, DOCUMENT, DOCUMENT Research protocols Correspondence IRB application/approvals Continuing reviews Signed consent/assent forms Original data
“If it isn’t written down, we can’t determine if you did it.”
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Hot Topics Research with human genetic materials
privacy and confidentiality what to do with test results?
Records-based research with consent without consent: Confidentiality Agreements
Registries, subject pools, and data banks require continuing HSRC approval require informed consent may include “layered” consent
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Case studyYou ask a trainee who works in your lab and her husband, whom you ran into in the hall, to donate 10 cc of blood each for one of your established protocols. While enumerating the T cell subsets, you find very low values in the husband. This is worrisome as HIV can cause such low values.
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Questions:
Do you tell him?
Do you tell his wife?
What should the consent form have said?
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Case study
You have developed a new drug for malaria and wish to test it in humans. Since there are too few cases in the United States, you want to test it in Africa on a population at significant risk for malaria. Unfortunately, the drug is quite expensive to manufacture and you are unlikely to be able to make it available to the population of the country chosen for testing.
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Questions:
Is it ethical to use this population when it will not likely be able to benefit from the research?
What will be the considerations regarding informed consent?
Should local standards, which may be lax or nonexistent, be used, or should the
researchers impose outside standards on the research?
Are there obligations of the research team toward the medical community in the country where the testing occurs?
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Case StudyA researcher proposes to examine communication processing in aphasic patients. The study would involve three separate sessions, in which patients (or age matched controls recruited from local nursing homes) take a battery of word and sound association tests. The total time involved will be 3-5 hrs. The inclusion criteria for the protocol means that only a few patients (<15) will be available for the study.
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Questions:
Will the number of research and control subjects in the study allow the investigators to make meaningful statistical comparisons between the groups?
Is it reasonable to study whatever patients the investigator can recruit, regardless of considerations of statistical validity?
Does this study pose more than minimal risks or harm to the subjects, and, if not, does that make a difference in determining whether or not this study should be conducted?