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The need for proactive pharmacovigilance is being increasingly acknowledged by all companies, regardless of their size and product mix, writes Dr. Chitra Lele.
Greater public awareness of drug safety issues and emerging informatics-based methods for acquiring and analyzing medical information, have sparked global initiatives to transform the current largely reactive safety system into one that is proactive, robust, and more useful clinically (1, 2). In addition, the emerging importance of patient centricity and increase in publically available safety data are also driving this change (3). Thus, the need for proactive pharmacovigilance or productvigilance (PV) is being increasingly acknowledged by all companies, regardless of their size and product mix.
Regulatory expectations around the safety and risk management of products have undergone a period of extensive change, with regulations in developed regions becoming more stringent and regulations in emerging markets evolving rapidly. The growing importance of emerging markets has caused a shift in the geographic focus of the marketplace. This has led to partnerships among multiple stakeholders across the globe, including generics manufacturers, distributors, service providers and technology providers, thereby making PV operations increasingly complex. Other factors contributing to this complexity are the shift in the mix of small and large molecules and therapeutic area focus, and the rigor required to capture safety data for newer classes of products.
Therefore, while diverse regulations and guidelines govern PV practices, it is also critical to ensure that all safety systems and PV practices employed by an organization firmly tie into a unified and truly global PV framework, which is an important pre-requisite of proactive PV. Establishing such a framework takes a lot more than simply capturing safety data from affiliates, partners and distributors. This article will look to explain the what, why and how of a global PV system and set out how to establish the global PV strategy.
The Global Pharmacovigilance System
A PV system is characterized by its structure, processes and desired outcomes. It is defined as a system used by an organization to fulfil its legal tasks and responsibilities in relation to PV and designed to monitor the safety of authorized medicinal products and detect any change to their risk/benefit balance. Good Pharmacovigilance Practices (GPV) modules, various guidance documents from the US FDA, ICH guidelines and guidance from other regulatory bodies require that the Marketing Authorization Holder (MAH) should have a system where all aspects comply with requirements of the applicable regulatory authorities, and safety data on similar products and from geographies other than where the products are licensed, be included.
The principal directive is that a robust, global system has to be in place to capture and manage all Adverse Drug Reactions (ADRs) for all licensed products, in the markets where they are licensed and wherever in the world similar products are sold. In addition to this, a global system has to enable execution of all downstream activities such as periodic reporting and safety surveillance. There are both commercial and legal implications of non-compliance which could impact current licenses, pending approvals and new submissions.
A Global PV system has to be an integral part of a company’s Corporate Quality System. It is complex by nature and requires a number of entities to work together in a seamless manner:
Therefore, the system has to take into consideration the accountabilities and responsibilities of all these entities in terms of how they directly or indirectly relate to safety, the interdependencies between them and the harmonization and standardization of processes that may be required. MAHs may use specialty safety consulting and service providers who can recommend and put in place the following key elements that are essential for a successful global PV system:
Planning and Establishing a Strategy for a Global PV System
Establishing a global PV system poses many challenges to organizations of all sizes although they may vary by the type of the organization. For a small company with only a limited number of products, the risk of non-compliance and in-house availability of safety expertise may be a big challenge. For a generics manufacturer, the focus and diligence on product safety and the number of distributors and business partners could be the major challenges. For large companies that have a diverse product mix and vast global reach, ensuring standard global SOPs related to safety and risk management across product categories and regions, and effective oversight of all parties may be the most important challenges.
A carefully planned strategy that takes into consideration both the short-term and long-term business plan of the organization is fundamental to setting up an effective system. An in-depth analysis of the current state and gap analysis in terms of people, process and technology must be conducted. Careful attention must be paid to the diverse regulation requirements, as well as the global organizational structure and operating model that would facilitate the essential level of oversight and control. The synthesis of a strategic plan that is based on a sound understanding of safety regulations and global operations will lead to an optimal framework for deploying a successful global PV system.
Globalization of the marketplace and the impact of the latest technologies on healthcare delivery will create significant challenges and opportunities for all stakeholders in the life sciences. PV is in transition, with new sources of medical information and methods for its analysis being explored that will transform the current reactive system into one that is proactive. Regulations across the globe are also evolving towards a more proactive approach, but remain too procedurally focused, often hindering innovation. Furthermore, the technical resources required for effective benefit-risk assessment are still at an early development stage. For organizations to be successful in today’s environment, it is critical that they ensure all safety systems and PV practices employed are firmly tied into a truly global PV framework. Establishing such a framework requires a carefully thought out strategy that takes into consideration the accountabilities and responsibilities of all entities, how they relate to safety directly or indirectly and the harmonization and standardization of processes that may be required.
About the Author
Chitra Lele is Chief Scientific Officer at Sciformix Corporation. Prior to Sciformix, Chitra was Executive Director responsible for Indian operations of Pfizer Global R&D. Chitra can be contacted at firstname.lastname@example.org