Published on 05/12/2025
Case examples of regulator feedback on weak PSUR and PBRER submissions
Post-Marketing Surveillance is a critical aspect of pharmacovigilance that ensures the ongoing safety and efficacy of pharmaceutical products after they have been approved and marketed. The Periodic Safety Update Report (PSUR) and the Periodic Benefit Risk Evaluation Report (PBRER) play essential roles in monitoring the safety profiles of drugs. However, regulatory authorities have consistently noted deficiencies in these submissions that can lead to significant regulatory actions. This article provides a comprehensive, step-by-step guide to understanding PSUR and PBRER submissions, supported by case examples of regulatory feedback on weak submissions, particularly focusing on guidance from the US FDA.
Understanding PSUR and PBRER: Definitions and Regulatory Framework
The PSUR is a comprehensive document that summarizes the safety data of a
The PBRER is an updated report that aligns with the International Council for Harmonisation (ICH) E2C(R2) guidelines. It has been designed to provide a more comprehensive risk and benefit analysis by integrating epidemiological, clinical studies, and other relevant safety data. For submitted PBRERs in the EU and UK, regulatory bodies refer to guidance from the European Medicines Agency (EMA) and the Medicines and Healthcare products Regulatory Agency (MHRA).
In both the PSUR and PBRER, the objective is to provide a clear and structured assessment of the safety and efficacy of a product, facilitating signal detection and risk management. Regular submissions are mandated, with timelines varying based on the region: the FDA requires annual reporting for the first three years after approval, while EMA mandates a specific periodicity depending on when the product is authorized.
Common Deficiencies in PSUR and PBRER Submissions
Understanding the common deficiencies identified by regulatory agencies can aid professionals in ensuring their submissions meet the requisite standards. Case examples have revealed several areas where submissions typically fall short:
- Inadequate Signal Detection: Regulatory authorities often highlight that certain submissions fail to adequately discuss potential new safety signals. For instance, a PSUR submitted to the FDA for a newly marketed diabetes medication was criticized for not fully addressing a growing body of evidence suggesting an increased risk of cardiovascular events.
- Poor Data Management: Frequent issues arise around data quality and integrity in submissions. A submission in the UK exemplified this when it used outdated pharmacovigilance data that misrepresented the current safety profile of the product, resulting in remedial actions from the agency.
- Insufficient Risk Management Plan (RMP) Alignment: The alignment of product risk management plans with submitted PSURs or PBRERs is critical. An example includes a submission where the FDA noted discrepancies between the calculated benefit-risk balance and the information presented in the safety reports, leading to a request for further evaluation.
Each of these deficiencies can have serious implications, including product delays, warnings, or even withdrawal from the market.
Step-by-Step Guide to Preparing High-Quality PSUR and PBRER Submissions
To avoid the common pitfalls identified in the previous section, professionals involved in pharmacovigilance can follow a systematic approach in preparing their PSURs and PBRERs.
Step 1: Comprehensive Data Collection
The foundation of any robust PSUR or PBRER is accurate and comprehensive data collection. This includes:
- Clinical Trial Data: Collect relevant study outcomes, adverse events, and any new evidence from ongoing clinical trials to ensure a complete picture of the product’s safety profile.
- Post-marketing Surveillance Data: Monitor real-world use and associated adverse events on an ongoing basis. Utilizing systems such as [ClinicalTrials.gov](https://www.clinicaltrials.gov/) can help in gathering comprehensive data.
- External Databases: Employ epidemiological data from the WHO or FDA databases for comparative risk assessments and to back claims made in the reports.
Step 2: Effective Signal Management in PBRER
Proactive signal management is essential in PBRER submissions. Step-by-step operations include:
- Signal Detection Processes: Utilize statistical methodologies and data mining techniques to harness data from various sources effectively. A well-documented signal detection methodology will enhance confidence in PSI reporting.
- Integration of Regulatory Feedback: Regularly review past regulatory feedback and ensure alignment with the expectations set forth in the ICH E2C(R2) guidelines. Identifying previous deficiencies allows companies to tailor future submissions accurately.
Step 3: Engaging Stakeholders
Open communication with stakeholders can streamline the submission process:
- Cross-Functional Collaboration: Utilize insights from clinical, regulatory, and manufacturing teams to strengthen the report. Engaging cross-functional teams can provide a more holistic approach to safety assessment.
- Feedback Loops: Establish mechanisms for early feedback on draft reports from relevant regulatory bodies, which can aid in fine-tuning critical sections and avoiding pitfalls.
Step 4: Documentation and Regulatory Alignment
Proper documentation is a key component of PSUR and PBRER submissions:
- Template Utilization: Utilizing standardized templates for PSURs or PBRERs can ensure consistency and compliance with regulatory expectations. The availability of [DSUR templates](https://www.fda.gov/media/130289/download) assists in maintaining a structured approach.
- Adherence to Regulatory Guidelines: Compliance with the latest versions of regulatory guidelines is paramount. Review the latest FDA and ICH guidance documents to ensure all current requirements are met.
Case Examples of Poor Submissions and Their Consequences
Understanding real-world examples of submissions that failed regulatory scrutiny can guide professionals in improving their processes:
Example 1: Incomplete Signal Analysis
A recent PSUR submission for an antidepressant medication failed because the company did not adequately assess emerging safety signals from post-marketing data. The FDA highlighted that critical data suggesting an increase in suicidal ideation was downplayed. As a result, the agency required the company to conduct a thorough reanalysis of the signal and resubmit the report, delaying the product’s market expansion and imposing increased scrutiny for future submissions.
Example 2: Unaligned Risk Management Plans
Another notable example involved a PBRER for a gene therapy product, where the submission did not align with the prescribed RMP. Specific risks identified in clinical studies were not addressed in the safety assessment, raising flags during FDA evaluations. The agency mandated a revision to address these discrepancies, compelling the organization to allocate additional resources and time to improve compliance.
Periodic Reporting Key Performance Indicators (KPIs)
To effectively manage the quality of PSURs and PBRERs, establishing Key Performance Indicators is essential. Tracking KPIs can guide organizations in identifying areas for improvement in periodic reporting:
- Timeliness of Submissions: Measure adherence to regulatory timelines for PSUR and PBRER submissions.
- Quality of Submitted Documents: Evaluate the quality and completeness of reports based on regulatory outcomes. Assess feedback from agencies on clarity, signal management, and overall safety assessments.
- Resolution of Feedback: Monitor how effectively companies resolve issues identified in feedback from regulatory agencies. A higher successful resolution rate indicates proficiency in compliance.
Conclusion: Enhancing PSUR and PBRER Submissions
In conclusion, understanding the intricacies of PSUR and PBRER submissions is paramount for pharmaceutical professionals involved in pharmacovigilance. By using a structured approach to data collection, signal management, and stakeholder engagement, organizations can improve compliance and align with regulatory expectations.
Regularly reviewing the examples of weak submissions and adhering to performance indicators will enable organizations to elevate the standards of their safety reporting. The ultimate goal is to ensure a strong pharmacovigilance framework that protects public health and fosters continued trust in medicinal products.