- Research article
- Open Access
- Open Peer Review
Model consent clauses for rare disease research
BMC Medical Ethicsvolume 20, Article number: 55 (2019)
Rare Disease research has seen tremendous advancements over the last decades, with the development of new technologies, various global collaborative efforts and improved data sharing. To maximize the impact of and to further build on these developments, there is a need for model consent clauses for rare diseases research, in order to improve data interoperability, to meet the informational needs of participants, and to ensure proper ethical and legal use of data sources and participants’ overall protection.
A global Task Force was set up to develop model consent clauses specific to rare diseases research, that are comprehensive, harmonized, readily accessible, and internationally applicable, facilitating the recruitment and consent of rare disease research participants around the world. Existing consent forms and notices of consent were analyzed and classified under different consent themes, which were used as background to develop the model consent clauses.
The IRDiRC-GA4GH MCC Task Force met in September 2018, to discuss and design model consent clauses. Based on analyzed consent forms, they listed generic core elements and designed the following rare disease research specific core elements; Rare Disease Research Introductory Clause, Familial Participation, Audio/Visual Imaging, Collecting, storing, sharing of rare disease data, Recontact for matching, Data Linkage, Return of Results to Family Members, Incapacity/Death, and Benefits.
The model consent clauses presented in this article have been drafted to highlight consent elements that bear in mind the trends in rare disease research, while providing a tool to help foster harmonization and collaborative efforts.
Over the last decade, rare disease research has seen tremendous developments in diagnostic efficiency and therapeutic interventions . Contributing factors include the discovery of novel genes with new sequencing technologies, global collaborative efforts and commitments, and improved data and resource sharing. Adding to this are the growing number of genotype-phenotype datasets and matchmaking platforms, along with the trend towards patient-centered research, whereby patient organizations play a leading role in data generation and research recruitment. To maximize the impact of these initiatives in contributing substantive amounts of quality data for research use, practical model consent clauses are essential to enhance data interoperability as well as to meet the informational needs of participants, ensure proper ethical and legal use of data sources and participants’ overall protection.
To address this need, the International Rare Diseases Research Consortium (IRDiRC) and the Global Alliance for Genomics and Health (GA4GH) met to develop model consent clauses for rare disease research. The following proposed consent clauses are guided by the Framework for Responsible Sharing of Genomics and Health-Related Data  and other international and national ethics and legal consent frameworks. They provide the foundation for the harmonization and standardization of participant recruitment and consent processes for rare disease research. Although not all the proposed clauses are exclusive to the rare disease context, certain clauses are of particular importance to consent procedures for rare disease research and complement existing core elements found in “classical” or “generic” consent forms. It is hoped that together these clauses will ensure that research involving patients with rare conditions be deployed effectively to promote and catalyze collaborative multinational studies through interoperable and responsible research practices endorsed by IRDiRC and GA4GH.
Consent issues in rare disease research
Obtaining informed consent from research participants not only respects personal autonomy, self-determination, and the right to privacy but also seeks to prevent undue harm [3,4,5]. Research participants must be well informed of the research goals, benefits and risks, and the possibility to refuse participation and withdraw from research at any time without affecting their medical care. The voluntary expression of consent is fundamental to ethical research practices. In the rare disease research context, however, consent processes have become complex in the current landscape of technological and genomic advances, along with the extensive collection, pooling and dissemination of data worldwide. Because of the scarcity of patients and the need to share information internationally to find similar cases, data sharing and ‘matchmaking’ is imperative for rare disease research. Since most rare diseases appear in childhood, the recruitment of children and unaffected family members might further complicate consent processes . Particular phenotypes of rare disease patients also often require the collection and sharing of audiovisual data (e.g., facial images, videos, etc.), the use of machine learning procedures for data phenotyping , and the bridging between clinical care and research  in this scientific domain.
Notably, the challenge in establishing consent policies for rare disease research stems from the dichotomy between the push for free-flow of data against concerns about loss of privacy. Patients with rare diseases often expect that data are shared for scientific advances in genomic medicine and rare diseases research. At the same time, patients are concerned about being identified, a risk inherent to data sharing  and enhanced in the rare disease context. Particularly, the likelihood of individual re-identification from genomic data, whether coded or anonymized, has been documented [10, 11], especially when such data has been linked with other sensitive familial, sociodemographic or audiovisual information. This is why international policy approaches to assess privacy risks in genomic research widely adopt as a criterion the “reasonable likelihood test” (i.e., based on the proportionate evaluation of real risks and benefits and the balance of probabilities, the possible benefits for participants must surpass potential consequences for their privacy) .
The singularity and diversity of rare diseases, combined with the small number of patients for each disorder, effectively precludes conventional research discovery approaches, including those directed at addressing privacy risks and concerns. Some rare disease research mandates cross-matching data between different centers for discovery and diagnostic purposes. Thus, absolute privacy protection is unrealistic in this realm. Coding and security tools serve to mitigate and protect against privacy risks. However, re-identification is often desired by patients for the return of results and so precludes anonymization [7, 13].
Hence, research involving rare disease participants is challenged by unique realities and overall impediments to genomic research, and thus, should be acknowledged in ethical and legal deliberations regarding research protocols, privacy protections, and consent standards. Rare disease participants are often well informed about their disease, highly motivated to participate in different research studies, and strong advocates for greater access to research. They may view identifiability risks as minor when weighed against the opportunity to gain a diagnosis or to support research advancements towards new therapies. Consequently, privacy interpretations should be broadened to include not only the right to confidentiality, secrecy and non-interference but also the positive right to “determine and manage personal information, and to actively have a say in one’s own private sphere”  and to realize the human right of everyone to “share in scientific advancements and its benefits [15, 16].” Moreover, privacy protections should go beyond rare disease participants to also protect and further the interests of their family members in familial and trio genomic studies .
As such, the adoption of governance frameworks, security measures, and standards (i.e., data management/access policies, Privacy Preserving Record Linkage  or unique identifying systems) has become the nexus from which privacy discourse has shifted . Adding to this is a move towards a nuanced approach to consent standards that account for the unique complexities and specificities of rare disease research . By obtaining proper informed consent, proportionality between protecting the rights and interests of rare disease participants and promoting good research is achievable. In fact, qualitative studies show that knowledgeable rare disease patients understand the need for large-scale data sharing and expect their data to be distributed and reused but require, nonetheless, that they be informed of such activities in order to maintain a level of protection and control [21, 22].
In January 2018, a joint IRDiRC and GA4GH Model Consent Clauses (MCC) Task Force was charged to develop model consent clauses relevant to rare disease research. Both IRDiRC and GA4GH asked their members to nominate members to the Task Force, and the Chairs of the Task Force decided on the final composition of the Task Force. The Task Force was composed of 15 members from 8 different countries, covering different expertise areas including law, ethics, health policy, research and clinical experience. Two members were representatives of patient organizations, e.g., Canadian Organization for Rare Disorders (CORD) and the French Muscular Dystrophy Association (AFM-Téléthon). The objective of the Task Force was to create consent clauses that are comprehensive, harmonized, readily accessible, and internationally applicable, facilitating the recruitment and consent of rare disease research participants around the world. The Scientific Secretariat of IRDiRC first reached out to all IRDiRC Consortium Assembly members and all Task Force members with the following question:
“In your work/experience or in the 'best case scenario,' are there clauses you have used in rare disease research consent forms that are not usually found or should be found on generic biomedical research forms?”
Five IRDiRC Consortium Assembly members and three Task Force members were able to share their consent forms and clauses, contributing to a total of 35 consent forms and/or notice of consent. Additionally, 5 publications from the Clinical Sequencing Evidence-Generating Research (CSER) and Electronic Medical Records and Genomics (eMERGE) projects were analyzed [23,24,25,26,27]. The clauses were classified under different consent themes and were used as references.
In September 2018, the MCC Task Force met at the Rare Disease Platform in Paris, France, to develop and draft the model consent clauses (Additional file 1). The meeting consisted of background presentations, iterating the role and objectives of IRDiRC and GA4GH, as well as provision of a historical overview of the evolution of consent forms used in rare disease research over the past 8–10 years, along with emerging trends (see Table 1). The group identified different research themes that are specific and crucial for rare disease research. Based on a compilation of already existing consent form language, the experts then developed Generic and Rare Disease Specific Core Consent Elements (Table 2) and Model Consent Clauses for Rare Disease Research (Table 3) that take into account international socio-ethical, legal and cultural differences as well as keeping the patients’ perspectives in mind.
The model consent clauses presented below serve as a practical tool to assist in the development of consent forms and research protocols. These clauses aim to provide examples of consent categories that are specific to rare disease research and therefore do not cover all necessary components of a standard consent form (see: Table 2: Generic and Core Consent Elements for Rare Disease Research). Local laws, regional policy and guidelines may extend or modify these consent requirements and therefore variation can be expected.
In addition to the introductory consent clauses regarding the purpose of the research, name of researchers/sponsors etc., rare disease consent forms could use introductory clauses to draw attention to some of the unique features that distinguish it from the standard core consent elements. These clauses must be customized to each project’s specific needs.
Scientific breakthroughs in research and clinical fields have brought immense opportunities for potential diagnostic tools and therapies to those affected by a rare disease. Since the completion of the Human Genome Project , much progress has been made regarding technological advances, the growth of increased access to genomic sequencing, and the translation of gene-editing techniques into the first in-human trials . These developments have raised the hope for treatments for rare and genetic disorders previously considered incurable. As the prospects of these and other new technologies continue to evolve, many patients expect that researchers share data to accelerate the path towards a diagnosis and ultimately towards effective treatments. For many patients, the benefit of research advances may come too late if progress is not accelerated through sharing resources and data. Researchers and ethics review boards therefore need to take into account the socio-ethical and legal challenges that these developments will present for recruitment and consent processes. Overly-rigid interpretations of consent will be counterproductive in the context of rare disease, to say nothing of the fact that current consent forms have generally been criticized for being incomprehensible to research participants.
The model consent clauses presented above have been drafted to highlight consent elements that bear in mind the trends in rare disease research, and genomic research in general, while providing a tool to foster harmonization and collaborative efforts.
The MCC Task Force recognizes the need for further guidance regarding consent procedures for the recruitment of minors (e.g., assent and re-contact at age of majority clauses) and the nuances pertaining to the communication of results to family members and between family members. These aspects were beyond the scope of the workshop.
Availability of data and materials
Clinical Sequencing Evidence-Generating Research
Electronic Medical Records and Genomics
Global Alliance for Health and Genomics
Institutional Review Board
International Rare Diseases Research Consortium
Model Consent Clauses
Research Ethics Board
Research Ethics Committee
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The paper is founded on the expert contributions of the Task Force members attending the workshop and does not necessarily reflect the view of employers or any other public institution.
Members of the IRDiRC-GA4GH Model Consent Clauses Task Force are: Jack Goldblatt (University of Western Australia, Australia), Rosario Isasi (University of Miami, USA), Petra Kaufmann (AveXis, USA), Bartha Knoppers (McGill University, Canada), Fruzsina Molnar Gabor (Heidelberg Academy of Sciences and Humanities, Germany), Minh Thu Nguyen (McGill University, Canada), Laetitia Ouillade (Atos/AFM-Téléthon, France), Eric Sid (NCATS/NIH, USA), Masha Shabani (Centre for Biomedical Ethics and Law, Belgium), Anne-Marie Tassé (McGill University, Canada), Durhane Wong-Rieger (CORD, Canada).
We would like to thank IRDiRC members for sending in consent forms and consent clauses. In addition, Task Force members have shared consent forms they encountered in their daily work.
The IRDiRC-GA4GH Model Consent Clauses Task Force work was supported by the Scientific Secretariat of the IRDiRC, funded since 2012 by a European Commission FP7 contract, “SUPPORT-IRDiRC” (No 305207). The European Commission, along with the different IRDiRC funding bodies, approved the concept of the Task Force. Consent forms were sent to the European Commission as references but the funding bodies had no further role in the analysis, interpretation of data and in writing the manuscript.
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MCC Report of the Model Consent Clauses Task Force Meeting (Paris, September 6–7, 2018). (DOCX 138 kb)