On Feb. 1, 2012, FDA Commissioner Margaret A. Hamburg testified before the House Committee on Energy and Commerce, Subcommittee on Health to support the fifth authorization of the Prescription Drug User Fee Act (PDUFA), also known as PDUFA V. She also outlined a series of recommendations, sent to Congress in January 2012, to include in PDUFA V.
On Feb. 1, 2012, FDA Commissioner Margaret A. Hamburg testified before the House Committee on Energy and Commerce, Subcommittee on Health to support the fifth authorization of the Prescription Drug User Fee Act (PDUFA), also known as PDUFA V. She also outlined a series of recommendations, sent to Congress in January 2012, to include in PDUFA V.
The current authorization for PDUFA, PDUFA IV, expires on Sept. 30, 2012, and Hamburg testified that fees collected under PDUFA constitute an important part of the agency’s funding. Of the nearly $932 million obligated in support of the process for the review of human drug applications in fiscal year (FY) 2010, PDUFA fees funded 62% and the rest were through appropriations. Three fees are collected under PDUFA: application fees for new drug applications (NDAs) and biologics license applications (BLAs), product fees, and establishment fees.
In making the case for PDUFA reauthorization, Hamburg highlighted the review performance of FDA. Of the 35 innovative drugs approved in FY 2011, 24, or 70%, were approved by FDA before any other regulatory agency in the world, including the European Medicines Agency. Of 57 novel drugs approved by both FDA and the EU between 2006 and 2010, 43, or 75%, were approved first in the United States. Preliminary data show that in 2011, over half of all new active drug substances were first launched in the US.
Hamburg also provided a list of recommendations to enhance PDUFA V, which were gained through a series of meetings with the industry, the public, and other stakeholders. These recommendations were sent to Congress on Jan. 13, 2012. These recommendations or “enhancements” to PDUFA V focused on improving communication between FDA and sponsor companies during development, improving regulatory science and innovation at FDA, and expediting drug development.
To increase communication and improve efficiency in the review process, FDA agreed to an enhancement to FDA’s review program for new molecular entity NDAs and original BLAs to include presubmission meetings, mid-cycle communications, and late-cycle meetings between FDA and sponsors for these applications. To accommodate this increased interaction during regulatory review, as agreed to with industry, FDA’s review clock would begin after the 60-day administrative filing review period for this subset of applications.
Five enhancements focus on regulatory science and expediting drug development. These enhancements include:
Other PDUFA V enhancements include:
The cost of the agreed upon PDUFA V enhancements translates to an overall increase in fees of approximately 6%.
Harnessing mRNA as a Readout to Develop Robust BioPotency Assays
December 12th 2024Transcriptional activity within a cell can be used to evaluate cell response to a ligand or promoter activity within a transgene or plasmid within a cell. Catalent has developed a relative potency bioassay using real-time quantitative reverse transcription (RT-qPCR) in a duplex format to assess relative transcription activity in cells treated with ligands or transgenic vectors. The assay utilizes two fluorescent dyes with minimally overlapping emission spectra that allow real-time monitoring of the gene expression of both target and normalizer genes. The assay does not require purification of the mRNA produced by the cells once lysis has occurred. Normalizing the qPCR cycle thresholds (CT) of the target transcript to the reference transcript allows response curve to be generated and compared to a reference standard. The generation of a four-parameter fit curve analysis from raw qPCR cycle threshold data allows for comparison of relative potency and assessment of suitability based on curve parallelism. The assay platform has been used by Catalent to qualify a repeatable, accurate, linear, and specific bioassay for assessing relative potency.
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October 28th 2024The nexus between biopharmaceuticals and sustainability is seemingly far apart, however, it is increasingly recognized as an inevitable challenge. It is encouraged to take a sustainable approach to reducing the environmental impact of the production and supply of medicines while improving people's health; delivering the well-being of people and the planet. Yosuke Shimojo (Technical Value Support Section Manager, Nagase Viita) will unveil how SOLBIOTE™, a portfolio of injectable-grade saccharide excipients, would be a key for the biopharmaceutical development and achieving sustainability for a better future of the industry.
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Harnessing mRNA as a Readout to Develop Robust BioPotency Assays
December 12th 2024Transcriptional activity within a cell can be used to evaluate cell response to a ligand or promoter activity within a transgene or plasmid within a cell. Catalent has developed a relative potency bioassay using real-time quantitative reverse transcription (RT-qPCR) in a duplex format to assess relative transcription activity in cells treated with ligands or transgenic vectors. The assay utilizes two fluorescent dyes with minimally overlapping emission spectra that allow real-time monitoring of the gene expression of both target and normalizer genes. The assay does not require purification of the mRNA produced by the cells once lysis has occurred. Normalizing the qPCR cycle thresholds (CT) of the target transcript to the reference transcript allows response curve to be generated and compared to a reference standard. The generation of a four-parameter fit curve analysis from raw qPCR cycle threshold data allows for comparison of relative potency and assessment of suitability based on curve parallelism. The assay platform has been used by Catalent to qualify a repeatable, accurate, linear, and specific bioassay for assessing relative potency.
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October 28th 2024The nexus between biopharmaceuticals and sustainability is seemingly far apart, however, it is increasingly recognized as an inevitable challenge. It is encouraged to take a sustainable approach to reducing the environmental impact of the production and supply of medicines while improving people's health; delivering the well-being of people and the planet. Yosuke Shimojo (Technical Value Support Section Manager, Nagase Viita) will unveil how SOLBIOTE™, a portfolio of injectable-grade saccharide excipients, would be a key for the biopharmaceutical development and achieving sustainability for a better future of the industry.
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December 12th 2024Biophysical characterization is critical to understand the make-up and behaviors of biologic therapies and vaccines, both early in development and throughout the manufacturing scale-up process. As biologics become more complex in structure, and as scientists improve their understanding of the effects of structure on stability, efficacy, safety, etc., there is a need to develop new and improved analytical methods to characterize biologic products. During this presentation, experts will discuss the latest challenges in biophysical characterization and will present solutions to overcome these challenges.
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