Guidance on Informed Consent for in Vitro Diagnostic Studies Using Leftover Human Specimens that are not Individually Identifiable

Guidance on Informed Consent for in Vitro Diagnostic Studies Using Leftover Human Specimens that are not Individually Identifiable

0582_Guidance_2019

Guidance on Informed Consent for in Vitro Diagnostic Studies Using Leftover Human Specimens that are not Individually Identifiable

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Contains Nonbinding Recommendations

Guidance on Informed Consent for In
Vitro Diagnostic Device Studies Using
Leftover Human Specimens that are
Not Individually Identifiable
Guidance for Sponsors, Institutional
Review Boards, and Food and Drug
Administration Staff
Document issued on April 25, 2006.
An agency may not conduct or sponsor, and a person is not required to respond to, a
collection of information unless it displays a currently valid OMB control number. The
OMB control number for this information collection is 0910-0582 (expires 08/31/2019).
For questions about this document, contact the Office of In Vitro Diagnostics and Radiological
Health, Division of Microbiology Devices, 301-796-5461, and Claudia Gaffey, 301-796-6196,
[email protected].

U.S. Department of Health and Human Services
Food and Drug Administration
Center for Devices and Radiological Health
Office of In Vitro Diagnostics and Radiological Health
Division of Microbiology Devices
Center for Biologic Evaluation and Research
Office of Blood Research and Review

Contains Nonbinding Recommendations

Preface
Public Comment
You may submit electronic comments and suggestions at any time for Agency consideration to
http://www.regulations.gov. Submit written comments to the Division of Dockets Management,
Food and Drug Administration, 5630 Fishers Lane, Room 1061, (HFA-305), Rockville, MD
20852. Identify all comments with the docket number FDA-2006-D-0150. Comments may not be
acted upon by the Agency until the document is next revised or updated.

Additional Copies
Additional copies are available from the Internet. You may also send an e-mail request to
[email protected] to receive a copy of the guidance. Please use the document
number 1588 to identify the guidance you are requesting.

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Table of Contents
I.

Introduction ............................................................................................................................. 1

II. Scope ....................................................................................................................................... 3
III. Background ............................................................................................................................. 3
IV. In what circumstances does FDA intend to exercise enforcement discretion as to the
requirements for informed consent for use of specimens in FDAregulated IVD studies? ............. 4
V. What type of records should be kept for these types of studies? ............................................ 6
VI. Should sponsors consider anything else in deciding whether or not to conduct a study that
may fall within the exercise of enforcement discretion contemplated by this guidance? .............. 6
VII. What should IRBs do when reviewing the types of IVD studies that are the focus of this
guidance? ........................................................................................................................................ 6
VIII. Paperwork Reduction Act of 1995 ......................................................................................... 7

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Guidance on Informed Consent for In
Vitro Diagnostic Device Studies Using
Leftover Human Specimens that are
Not Individually Identifiable
Guidance for Sponsors, Institutional
Review Boards, and Food and Drug
Administration Staff
This guidance represents the current thinking of the Food and Drug Administration (FDA
or Agency) on this topic. It does not establish any rights for any person and is not binding
on FDA or the public. You can use an alternative approach if it satisfies the requirements
of the applicable statutes and regulations. To discuss an alternative approach, contact the
FDA staff or Office responsible for this guidance as listed on the title page.

I.

Introduction

FDA is issuing this guidance to inform sponsors, institutional review boards (IRBs), clinical
investigators, and agency staff that the FDA intends to exercise enforcement discretion, under
certain circumstances, with respect to its current regulations governing the requirement for
informed consent when human specimens are used for FDA-regulated in vitro diagnostic (IVD)1
device investigations. As described below, FDA does not intend to object to the use, without
informed consent, of leftover human specimens -- remnants of specimens collected for routine
clinical care or analysis that would otherwise have been discarded -- in investigations that meet
the criteria for exemption from the Investigational Device Exemptions (IDE) regulation at 21
CFR 812.2(c)(3), as long as subject privacy is protected by using only specimens that are not
individually identifiable. FDA also intends to include in this policy specimens obtained from

1

In vitro diagnostic products are those reagents, instruments, and systems intended for use in the
diagnosis of disease or other conditions, including a determination of the state of health, in order
to cure, mitigate, treat, or prevent disease or its sequelae. Such products are intended for use in
the collection, preparation, and examination of specimens taken from the human body. 21 CFR
809.3(a).
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specimen repositories2 and specimens that are leftover from specimens previously collected for
other unrelated research, as long as these specimens are not individually identifiable.
Under FDA’s current regulations governing the conduct of IVD device studies, the definition of
human subject includes individuals on whose specimens an investigational device is used [see 21
CFR 812.3(p)]. Because these regulations require informed consent for FDA-regulated human
subject research, except in limited circumstances specified in the regulations,3 informed consent
is required before specimens can be used in FDA-regulated research [see 21 CFR part 50].
This aspect of FDA’s human subject protection regulations has created confusion and difficulty
for persons developing IVDs. Many clinicians, research hospitals, and companies have viewed
the requirement for informed consent for IVD studies using leftover specimens as unnecessary
for the protection of human subjects and as overly burdensome and costly.
FDA’s recent “Critical Path”4 initiative has also focused the agency’s concern on unnecessary
obstacles to medical product development. The agency has received comments from trade
associations and research institutions that identify the challenge of obtaining informed consent
for the use of leftover specimens as an unnecessary obstacle and expense for investigational
efforts. When leftover specimens are available, it is often difficult, if not impossible, to locate
the donor and obtain consent. This difficulty may deter a manufacturer’s research efforts that
would bring safe and effective IVDs to market more quickly. At the same time, many
researchers maintain that for this particular type of study, the human subject protection values
that informed consent is intended to ensure either are not implicated, or can be adequately
safeguarded through less burdensome measures.
The confusion regarding the application of informed consent requirements to IVD studies and
concerns about unnecessary obstacles to product development have prompted FDA to issue this
guidance document. The agency believes this guidance will facilitate product development in a
manner consistent with the values of human subject protection. FDA intends that the exercise of
enforcement discretion expressed in this guidance begin immediately. In accordance with the
agency’s Good Guidance Practice regulations, 21 CFR 10.115, you may submit comments on
this guidance at any time. The agency will consider your comments and determine whether to
revise the guidance at a later date.
FDA’s guidance documents, including this guidance, do not establish legally enforceable
responsibilities. Instead, guidances describe the Agency’s current thinking on a topic and should
be viewed only as recommendations, unless specific regulatory or statutory requirements are
cited. The use of the word should in Agency guidance means that something is suggested or
recommended, but not required.
2

A specimen repository is a common site for storage of collections of human biological
specimens available for study.
3
See 21 CFR 50.23(a) and 50.24.
4
"Innovation or Stagnation? -- Challenge and Opportunity on the Critical Path to New Medical
Products" FDA Report issued on March 16, 2004. This document may be found at:
http://www.fda.gov/oc/initiatives/criticalpath/whitepaper.html
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II. Scope
This document applies only to IVD device investigations regulated by FDA in accordance with
section 520(g) of Federal Food, Drug, and Cosmetic Act (the Act), 21 USC 360j(g), that are
exempt from most requirements of the IDE regulation (21 CFR 812) under 21 CFR 812.2(c)(3),
and that use leftover specimens that are not individually identifiable. A leftover specimen is the
remnant of a human specimen collected for routine clinical care or analysis that would otherwise
have been discarded. A specimen is not individually identifiable when the identity of the subject
is not known to or may not readily be ascertained by the investigator or any other individuals
associated with the investigation, including the sponsor. (See Section 4, below.) This guidance
also applies to specimens that were previously collected for other unrelated research and that are
not individually identifiable.
This guidance will be implemented on the date it is issued. It applies to investigations using
leftover specimens that are already existing on the date the guidance is issued and investigations
using specimens that will be collected after the issuance of this guidance, so long as both the
specimens and the investigations meet the circumstances outlined below (see section 4).

III. Background
FDA's investigational device regulations are intended to encourage the development of new,
useful devices in a manner that is consistent with public health and safety and with ethical
standards. (See 21 U.S.C. 360j(g)). Investigators should have freedom to pursue the least
burdensome means of accomplishing this goal. However, to ensure that the balance is
maintained between product development and the protection of public health and safety and
ethical standards, FDA has established human subject protection regulations addressing
requirements for informed consent and IRB review that apply to all FDA-regulated clinical
investigations involving human subjects. In particular, informed consent requirements further
both safety and ethical considerations by allowing potential subjects to consider both the
physical and privacy risks they face if they agree to participate in a trial.
Under FDA regulations, clinical investigations using human specimens conducted in support of
premarket submissions to FDA are considered human subject investigations [see 21 CFR
812.3(p)]. Many IVD studies are exempt from most provisions of 21 CFR part 812,
Investigational Device Exemptions, under 21 CFR 812.2(c)(3), but FDA’s regulations for the
protection of human subjects (21 CFR parts 50 and 56) apply to all clinical investigations that are
regulated by FDA [see 21 CFR 50.1; 21 CFR 56.1; 21 U.S.C. 360j(g)(3)(A) & (D)].
FDA does have narrow exceptions from the general requirements of informed consent for certain
emergency and military research,5 but FDA regulations do not contain exceptions from the
requirements of informed consent on the grounds that the specimens are not identifiable and or
that they are remnants of human specimens collected for routine clinical care or analysis that

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21 CFR 50.23 and 50.24.
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would otherwise have been discarded. Nor do FDA regulations allow IRBs to decide whether or
not to waive informed consent for research involving leftover or unidentifiable specimens.
Leftover specimens are frequently used in feasibility studies and studies to characterize the
performance of new in vitro diagnostic devices for several reasons. The evaluation of new
devices often requires the use of specimens with specific laboratory characteristics, e.g., positive
or negative for a particular disease marker, in order to meet the study inclusion criteria. Routine
clinical care testing can provide information about the laboratory characteristics of the specimen
that permit investigators to quickly ascertain whether the specimen will meet the study inclusion
criteria. The remnants of these specimens thus become valuable to research at a point when they
are of no value to the patient and are ready to be discarded. The lower cost of these specimens,
compared to the cost of specimens collected prospectively for research, makes studies using
leftover specimens more affordable, permitting manufacturers to conduct studies that otherwise
may not be done. In addition, banked leftover specimens are a source for unique and possibly
rare specimens in sufficient quantity to permit the rapid completion of investigations that would
be difficult if not impossible to conduct in a reasonable timeframe without these specimens.
FDA believes that it is possible in certain circumstances for IVD device investigations to be
conducted using leftover specimens obtained without informed consent while protecting the
human subjects who are the source of such specimens. When IVD study sponsors use leftover
specimens for which the subject cannot be identified and where results of the investigational test
are not communicated to or otherwise associated with the identified subject, concerns associated
with privacy are minimized. In addition, these studies do not pose new medical risks to subjects
from whom the specimens were originally collected: Any risks from specimen collection were
incurred prior to the involvement of the patient as a subject in an investigation, when the
specimen was obtained for the patient's own clinical needs, and no risks from erroneous test
results are presented because the results of the testing are not used for clinical management of the
subject. Like leftover specimens that have been collected for routine clinical care, the
investigational use of leftover specimens previously collected for other research purposes
involves no additional medical risk, and privacy risks are mitigated by limiting the applicability
of this guidance to specimens that are not identifiable.

IV. In what circumstances does FDA intend to exercise
enforcement discretion as to the requirements for informed
consent for use of specimens in FDAregulated IVD studies?
FDA intends to exercise enforcement discretion as to the informed consent requirements for
clinical investigators, sponsors, and IRBs if an in vitro diagnostic device investigation is
performed and all of the following are true:
a) The investigation meets the IDE exemption criteria at 21 CFR 812.2(c) (3).
b) The study uses leftover specimens, that is, remnants of specimens collected for routine
clinical care or analysis that would have been discarded. The study may also use
specimens obtained from specimen repositories or leftover specimens that were
previously collected for other research purposes.

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Contains Nonbinding Recommendations
c) The specimens are not individually identifiable, i.e., the identity of the subject is not
known to and may not readily be ascertained by the investigator or any other individuals
associated with the investigation, including the sponsor. If the specimen is coded, 66 it
will be considered to be not individually identifiable if neither the investigator(s) nor any
other individuals associated with the investigation or the sponsor can link the specimen to
the subject from whom the specimen was collected, either directly or indirectly through
coding systems.
d) The specimens may be accompanied by clinical information as long as this information
does not make the specimen source identifiable to the investigator or any other individual
associated with the investigation, including the sponsor.
e) The individuals caring for the patients are different from and do not share information
about the patient with those conducting the investigation.
f) The specimens are provided to the investigator(s) without identifiers and the supplier of
the specimens has established policies and procedures to prevent the release of personal
information.
g) The study has been reviewed by an IRB in accordance with 21 CFR Part 56, except as
described in section 7 of this guidance document.
Studies that do not fall within the intended enforcement discretion expressed in this
guidance include (but are not limited to) studies where any of the following is true:
•
•

•

•

The study does not meet the IDE exemption criteria at 21 CFR 812.2(c)(3);
the specimens are individually identifiable, i.e., the identity of the subject is known to or
may be readily ascertained by the investigator or any other individuals associated with
the investigation, including the sponsor.
the specimens were collected specifically for the proposed investigation. That is, the
specimens are not leftover from routine clinical care or analysis or leftover from other
research.
the amount of specimen needed for the study is more than would be leftover from what is
usually collected for routine clinical analysis

or,
•

the test results will be reported to the subject’s health care provider. For example, in the
course of comparative studies involving B. anthracis detection devices, it would be
inappropriate not to report positive results if they occur in the course of an investigation.

6

For the purposes of this document, coded means that: 1) a number, letter, symbol, or
combination thereof (i.e., the code) has replaced identifying information (such as name or social
security number) that would enable the investigator or any other individuals associated with the
investigation, including the sponsor to readily ascertain the identity of the individual to whom
the specimen pertains; and 2) a key to decipher the code exists, enabling linkage of the
identifying information to the specimen.
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Contains Nonbinding Recommendations

V. What type of records should be kept for these types of
studies?
We recommend that sponsors maintain written documentation regarding the factors described in
section 4 (a)-(g) of this guidance, including the policies and procedures followed by the
specimen provider to ensure that the subject cannot be identified. FDA may request to inspect
this documentation. FDA recommends that IRBs review this documentation before approving an
investigation paying particular attention to privacy and confidentiality, and the potential for use
of information from the investigation for clinical patient management.

VI. Should sponsors consider anything else in deciding
whether or not to conduct a study that may fall within the
exercise of enforcement discretion contemplated by this
guidance?
Sponsors should consider whether a study exhibiting the factors relevant to the exercise of
enforcement discretion described in section 4 will generate sufficient data to support the product
application they are considering. Although FDA does not intend to reject data from a study
exhibiting the factors described in section 4 solely because it was conducted without complying
with the informed consent requirements found in 21 CFR part 50, FDA also does not guarantee
that the data generated from a study with those characteristics will be sufficient to support a
premarket clearance or approval. FDA may determine that additional clinical information is
important in order to evaluate test results. For some studies, masking of clinical information may
be problematic and may bias data collection. Sponsors should understand that by choosing to
conduct an investigation without informed consent, even in a manner consistent with this
guidance, they accept the risk that they may not be able to provide sufficient information to
satisfy FDA's premarket review needs.

VII. What should IRBs do when reviewing the types of IVD
studies that are the focus of this guidance?
To facilitate IVD device development, FDA intends to exercise enforcement discretion toward
IRBs who approve IVD investigations that are consistent with the factors in section 4 of this
guidance, with respect to the IRB's duties under 21 CFR part 56 regarding informed consent for
those studies. (Noncompliance with requirements of 21 CFR part 56 not related to informed
consent is not subject to enforcement discretion under this guidance.) We recommend that the
IRB review the sponsor's documentation regarding the factors described in Section 4, (a) through
(f), including the policies and procedures followed by the specimen provider to ensure that the
subject cannot be identified. IRBs should apply existing FDA regulations, including all informed
consent requirements, to any other investigational IVD study. We encourage IRBs to contact
FDA if they have questions about the guidance or a specific study under review (see FDA
contact information on the title page of this guidance.)

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Contains Nonbinding Recommendations

VIII.

Paperwork Reduction Act of 1995

This guidance contains information collection provisions that are subject to review by the Office
of Management and Budget (OMB) under the Paperwork Reduction Act of 1995 (44 U.S.C.
3501-3520).
The time required to complete this information collection is estimated to average 4 hours per
response, including the time to review instructions, search existing data sources, gather the data
needed, and complete and review the information collection. Send comments regarding this
burden estimate or suggestions for reducing this burden to:
FDA PRA Staff,
Office of Operations,
Food and Drug Administration,
[email protected]
An agency may not conduct or sponsor, and a person is not required to respond to, a collection of
information unless it displays a currently valid OMB control number. The OMB control number
for this information collection is 0910-0582 (expires 08/31/2019).

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