The Future of Voting for FDA Advisory Committees
From January 2024 to July 2024, the Federation of American Scientists interviewed 30 current and former Advisory Committee (AdComm) members. Based on these discussions, we were able to source potential policy recommendations that may assist with enhancing the FDA’s ability to obtain valuable advice for evidence-based decision-making. The results of these discussions are presented in case study format detailing the recurring themes that emerged and policy recommendations for improvement.
Advisory Committees (AdComms) serve as the core for expert engagement in the Food and Drug Administration’s (FDA) decision-making processes. These committees are composed of medical professionals, industry representatives, patient advocates, and scientific experts. Their primary role is to provide the FDA with informed advice and recommendations on issues spanning science, regulatory policy, and the evaluation of products under the FDA’s jurisdiction. Public meetings led by the FDA with these committees are instrumental in facilitating transparent deliberation between the FDA, the advisory body, and the American public. This practice helps to cultivate a collaborative environment between the FDA, the AdComms, and the public. AdComm recommendations are integral to strengthening public trust and reinforcing the FDA’s credibility. This relationship is corroborated by aligning the counsel of these independent entities with the FDA’s regulatory actions.
Key Problems Facing Advisory Committees
A critical component of the AdComm structure is its voting mechanism, a method by which hand-selected experts offer expert advice or recommendations on questions that have been proposed by the FDA to assist with informing its formal, regulatory decision-making. These questions include a broad range of topics, from evaluating post-market safety data to assessing pre-market product risks and benefits, and gauging whether a product should be approved or withdrawn from the market. The outcomes of the votes serve as barometers for the AdComms official stance on products and provide the FDA with a comprehensive and collective viewpoint. However, the recommendations proposed by AdComms are suggestive rather than prescriptive; ultimately, leaving the final decision to FDA leadership.
Recent patterns indicate a reduction in the convening of AdComm meetings. In 2010, 55% of FDA-approved drugs were referred to an advisory committee. By 2021, the percentage of FDA-approved drugs with an advisory committee referral had dropped to 6%. The decline of meetings eliminates opportunities for evidence-based evaluation and deliberation that could potentially affect the health and well-being of Americans. Furthermore, the diminishing of these crucial interactions between the FDA, AdComms and the public exacerbates the lack of trust and erodes transparency. Interestingly, while most committees present definitive votes that are supported by explicit justifications for either approving or rejecting items under review, FDA Commissioner Robert Califf has suggested in multiple interviews that AC votes can be useful but are not mandatory for every meeting. This viewpoint raises concerns about the potential removal of voting from the reform agenda, which could undermine AdComms capacity to evaluate intricate topics that affect the American public consumer base. In addition, a survey conducted by 3D Communications with 400+ current and former AdComm members asked about the importance of voting. Results showed that 95% of AdComm members believe that voting should be retained when reviewing the benefits and risks of medical products. Reform discussions have materialized due to these factors, in addition to the FDA’s accelerated approval of Adulhelm (aducanumab) despite clear AdComm opposition. Demand for reform is inevitable and many are urging for there to be an increased number of AC meetings and a thorough reorganization of advisory committee operations and voting protocols. Such reform is not only administrative but also symbolic. This type of reform confirms that decisions affecting public health should be informed and shaped by multidisciplinary expertise. Additionally, it re-establishes the pivotal role of public input in regulatory affairs, which is an indispensable component to maintaining the American public’s trust.
Significance of AdComm Voting
In response to this call for AdComm reform, a project spearheaded by FAS has sought feedback from AdComm members regarding their views on the significance of voting. The intention of engagement is to understand members’ experiences as experts and their perspectives on voting by asking the following questions:
- Describe your Advisory Committee’s voting process.
- On a 1-5 scale, how crucial is it for you to vote on products?
These questions aimed to measure the variability in voting mechanisms across committees and the value members place on voting. Results from 30 participants demonstrate a consensus on the critical role of voting in formulating committee recommendations, with 87% of committee members indicating a five (very important) as their stance on the importance of voting.
Policy Recommendations
To uphold the FDA’s integrity and regain public confidence, retaining voting at AdComm meetings is essential in addition to other recommendations to enhance the advisory committee process. The recommendations are as follows:
- Maintain voting as an integral function, allowing FDA Advisory Committee members to convey their collective expertise and advice, aiding the FDA in informed decision-making on scientific and regulatory matters.
- Revise the guidance for FDA Advisory Committee Members and FDA Staff to explicitly define circumstances for which voting should occur, eliminate sequential voting
Conclusion
The recommendations of FDA Advisory Committee members are a pivotal component to the FDA’s regulatory decision-making process. Maintaining the voting protocol for Advisory Committee meetings is essential as members strive toward the continued provision of precise, impartial, and evidence-based counsel to the FDA. This voting mechanism guarantees the inclusion of each member’s perspective and ensures that an official committee stance is taken, offering the FDA definitive and straightforward guidance.
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