For New Drug Application (NDA) and Biological License Application (BLA), the usual process is to submit the entire package with different modules at the same time. The submission package will include the quality, CMC, non-clinical study reports, and clinical study reports,... However, there are processes by which the sponsor can submit the submission package piece by piece: rolling review, real-time oncology review, and split real-time application review (STAR) program.
Rolling Review
Rolling review was one of the benefits for drug products with Fast Track Designation. According to FDA's website "Fast Track"
A drug that receives Fast Track designation is eligible for some or all of the following:Fast Track Designation was one of the expedited programs described in FDA's guidance "Expedited Programs for Serious Conditions – Drugs and Biologics". Other expedited programs are breakthrough therapy designation, accelerated approval, and priority review designation. In FDA's guidance, the Fast Track Designation contains the benefit of submission of portions of an application (Rolling Review):
More frequent meetings with the FDA to discuss the drug's development plan and ensure the collection of appropriate data needed to support drug approval
More frequent written communication from FDA about such things as the design of the proposed clinical trials and use of biomarkers
Eligibility for Accelerated Approval and Priority Review, if relevant criteria are met
Rolling Review, which means that a drug company can submit completed sections of its Biologic License Application (BLA) or New Drug Application (NDA) for review by FDA, rather than waiting until every section of the NDA is completed before the entire application can be reviewed. BLA or NDA review usually does not begin until the drug company has submitted the entire application to the FDA
Real-Time Oncology Review (RTOR) Program
For oncology products, FDA's The Oncology Center of Excellence has a program called "real-time oncology review (RTOR)". RTOR facilitates earlier submission of topline efficacy and safety results, prior to the submission of the complete application, to support an earlier start to the FDA’s evaluation of the application. FDA's website "Real-Time Oncology Review" described the details about RTOR program.
Some companies have utilized this program in hope of expediting their submission/review process.
In a press release "SpringWorks Therapeutics Announces Data from Phase 3 DeFi Trial Evaluating Nirogacestat in Adult Patients with Progressing Desmoid Tumors at the European Society for Medical Oncology (ESMO) Congress 2022", it stated that their Nirogacestat for R/R desmoid tumors will be filed through real-time oncology review (RTOR) program.
Nirogacestat has received Orphan Drug Designation from the U.S. Food and Drug Administration (FDA) for the treatment of desmoid tumors and from the European Commission for the treatment of soft tissue sarcoma. The FDA also granted Fast Track and Breakthrough Therapy Designations for the treatment of adult patients with progressive, unresectable, recurrent or refractory desmoid tumors or deep fibromatosis. SpringWorks plans to submit a New Drug Application (NDA) to the FDA in the second half of 2022, which will be submitted for review under the FDA’s Real-Time Oncology Review (RTOR) program.
Amgen's Sotorasib was approved by FDA for the first and only targeted treatment for patients with KRAS G12C-mutated locally advanced or metastatic non-small cell lung cancer. The Sotorasib's BLA submission was through RTOR:
"In the U.S., LUMAKRAS was reviewed by the FDA under its Real-Time Oncology Review (RTOR), a pilot program that aims to explore a more efficient review process that ensures safe and effective treatments are made available to patients as early as possible."
An article in Life Science Leader magazine "FDA's RTOR Program: Draft Guidance & Insights" provides a good summary of the RTOR program.
Split Real-Time Application Review (STAR)
STAR program builds off the Oncology Center of Excellence’s Real-Time Oncology Review (RTOR) program, In the newly passed PDUFA VII for the years 2023 through 2027, a new program called Split real-time application review (STAR) was proposed. According to PDUFA reauthorization performance goal and procedures fiscal years 2023 through 2027, the STAR program was described as the following:
D. SPLIT REAL TIME APPLICATION REVIEW (STAR) PILOT PROGRAM
FDA will establish a STAR pilot program, which has the goal of shortening the time from the date of complete submission to the action date, in order to allow earlier patient access to therapies that address an unmet medical need. The STAR pilot program will apply to efficacy supplements across all therapeutic areas and review disciplines that meet specific criteria. Accepted STAR applications will be submitted in a “split” fashion, specifically in two parts (with the components submitted approximately 2 months apart).FDA's website "Split Real-Time Application Review (STAR)" described how the STAR program should be operated.
1. Scope: The STAR program will seek to expedite patient access to novel uses for existing therapies by supporting initiation of review earlier than would otherwise occur and therefore allowing earlier approval for qualified efficacy supplements. This program will apply across all therapeutic areas and review disciplines for applications that meet specific criteria. An application will be considered eligible for STAR if each of the following criteria are met: a. Clinical evidence from adequate and well-controlled investigation(s) indicates that the drug may demonstrate substantial improvement on a clinically relevant endpoint(s) over available therapies. Breakthrough Therapy Designation (BTD) or Regenerative Medicine Advanced Therapy Designation (RMAT) is not required, but above criteria must be met. b. The application is for a drug intended to treat a serious condition with an unmet medical need. c. No aspect of the submission is likely to require a longer review time (e.g., requirement for new REMS, etc.). d. There is no chemistry, manufacturing, or control information that would require a foreign manufacturing site inspection (i.e., domestic site inspections may be allowed if it does not affect the expedited timeframe).
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