The U.S. Food and Drug Administration (FDA) issued the Artificial Intelligence/Machine Learning (AI/ML)-Based Software as a Medical Device (SaMD) Action Plan from the Center for Devices and Radiological Healths Digital Health Center of Excellence.
The Action Plan is a direct response to stakeholder feedback to the April 2019 discussion paper, Proposed Regulatory Framework for Modifications to Artificial Intelligence/Machine Learning-Based Software as a Medical Device and outlines five actions the FDA intends to take.
Download Action Plan (PDF - 747 KB)
Artificial intelligence and machine learning technologies have the potential to transform health care by deriving new and important insights from the vast amount of data generated during the delivery of health care every day. Medical device manufacturers are using these technologies to innovate their products to better assist health care providers and improve patient care.
The FDAs Center for Devices and Radiological Health (CDRH) is considering a total product lifecycle-based regulatory framework for these technologies that would allow for modifications to be made from real-world learning and adaptation, while ensuring that the safety and effectiveness of the software as a medical device are maintained.
Artificial Intelligence has been broadly defined as the science and engineering of making intelligent machines, especially intelligent computer programs (McCarthy, 2007). Artificial intelligence can use different techniques, including models based on statistical analysis of data, expert systems that primarily rely on if-then statements, and machine learning.
Machine Learning is an artificial intelligence technique that can be used to design and train software algorithms to learn from and act on data. Software developers can use machine learning to create an algorithm that is locked so that its function does not change, or adaptive so its behavior can change over time based on new data.Some real-world examples of artificial intelligence and machine learning technologies include:
Artificial intelligence (AI) and machine learning (ML) technologies have the potential to transform health care by deriving new and important insights from the vast amount of data generated during the delivery of health care every day. Medical device manufacturers are using these technologies to innovate their products to better assist health care providers and improve patient care. One of the greatest benefits of AI/ML in software resides in its ability to learn from real-world use and experience, and its capability to improve its performance.
Traditionally, the FDA reviews medical devices through an appropriate premarket pathway, such as premarket clearance (510(k)), De Novo classification, or premarket approval. The FDA may also review and clear modifications to medical devices, including software as a medical device, depending on the significance or risk posed to patients of that modification. Learn the current FDA guidance for risk-based approach for 510(k) software modifications.
The FDAs traditional paradigm of medical device regulation was not designed for adaptive artificial intelligence and machine learning technologies. Under the FDAs current approach to software modifications, the FDA anticipates that many of these artificial intelligence and machine learning-driven software changes to a device may need a premarket review.
On April 2, 2019, the FDA published a discussion paper Proposed Regulatory Framework for Modifications to Artificial Intelligence/Machine Learning (AI/ML)-Based Software as a Medical Device (SaMD) - Discussion Paper and Request for Feedback that describes the FDAs foundation for a potential approach to premarket review for artificial intelligence and machine learning-driven software modifications.
The ideasdescribed in thediscussion paper leverage practices from our current premarket programs and rely on IMDRFs risk categorization principles, the FDAs benefit-risk framework, risk management principles described in the software modifications guidance, and the organization-based total product lifecycle approach (also envisioned in the Digital Health Software Precertification (Pre-Cert) Program).
In the framework described in the discussion paper, the FDA envisions a predetermined change control plan in premarket submissions. This plan would include the types of anticipated modificationsreferred to as the Software as a Medical Device Pre-Specificationsand the associated methodology being used to implement those changes in a controlled manner that manages risks to patients referred to as the Algorithm Change Protocol.
In this potential approach, the FDA would expect a commitment from manufacturers on transparency and real-world performance monitoring for artificial intelligence and machine learning-based software as a medical device, as well as periodic updates to the FDA on what changes were implemented as part of the approved pre-specifications and the algorithm change protocol.
Such a regulatory framework could enable the FDA and manufacturers to evaluate and monitor a software product from its premarket development to postmarket performance. This approach could allow for the FDAs regulatory oversight to embrace the iterative improvement power of artificial intelligence and machine learning-based software as a medical device, while assuring patient safety.
As part of the AI/ML Action Plan, the FDA is highlighting its intention to develop an update to the proposed regulatory framework presented in the AI/ML-based SaMD discussion paper, including through the issuance of a draft guidance on the predetermined change control plan.
If you have questions about artificial intelligence, machine learning, or other digital health topics, ask a question about digital health regulatory policies.
McCarthy, J. (2007). What Is Artificial Intelligence? Stanford University, Stanford, CA. Retrieved from http://jmc.stanford.edu/articles/whatisai/whatisai.pdf
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