Poseida Therapeutics Announces FDA Orphan Drug Designation Granted to P-BCMA-ALLO1 for the Treatment of Multiple Myeloma
- Poseida Therapeutics receives Orphan Drug Designation from the FDA for P-BCMA-ALLO1 therapy for multiple myeloma treatment.
- Collaboration with Roche for the treatment of relapsed/refractory multiple myeloma.
- Positive early safety and efficacy data shared at the ASH Annual Meeting.
- Phase 1 trial of P-BCMA-ALLO1 demonstrates promising results in terms of safety, efficacy, and cell persistence at tumor sites.
- None.
The FDA's Orphan Drug Designation for P-BCMA-ALLO1, a BCMA-targeted allogeneic CAR-T therapy, represents a significant stride in the treatment of multiple myeloma, a hematologic cancer. This designation is typically granted to therapies that show promise for conditions with limited treatment options, thereby acknowledging the potential of P-BCMA-ALLO1 to address the unmet needs in this patient population. The therapy's TSCM-rich composition could signify a longer-lasting immune response, as TSCM cells are known for their self-renewal and multipotency, which are crucial for sustained antitumor activity.
The preliminary data suggesting that P-BCMA-ALLO1 can traffic to bone marrow and differentiate into effector T cells without the need for bridging chemotherapy is particularly promising. This could reduce treatment-related morbidity and streamline the therapy process for patients. However, the long-term efficacy and safety profile will need to be closely monitored in ongoing and future clinical trials to validate these early findings.
The orphan drug status not only highlights the therapeutic potential of P-BCMA-ALLO1 but also offers Poseida Therapeutics various development and financial incentives, including tax credits and user-fee exemptions. These benefits can accelerate the development timeline and reduce costs for Poseida, which is critical for a clinical-stage company. Furthermore, the potential seven-year market exclusivity upon FDA approval could provide a substantial competitive advantage in the multiple myeloma market, assuming the therapy's clinical success.
Investors should note the importance of the upcoming AACR meeting presentation, as data on patients refractory to initial BCMA targeting therapy could provide insights into the therapy's efficacy in a more resistant patient subset. Positive results may boost investor confidence and could be a catalyst for the company's stock performance.
The market for multiple myeloma treatments is evolving, with increasing emphasis on personalized and targeted therapies. Allogeneic CAR-T therapies like P-BCMA-ALLO1 are particularly noteworthy as they represent a shift towards 'off-the-shelf' treatments, potentially reducing manufacturing times and costs compared to patient-specific autologous CAR-T therapies. This could lead to broader market access and increased adoption rates if clinical efficacy is proven.
However, the competitive landscape includes other companies developing BCMA-targeted therapies, which means Poseida's market share will depend on the clinical differentiation of P-BCMA-ALLO1. The partnership with Roche could be instrumental in navigating commercialization challenges, leveraging Roche's established infrastructure and expertise in oncology.
Data Describing Activity of P-BCMA-ALLO1 in BCMA-Experienced Patients to be Presented at Upcoming AACR Meeting
"The Orphan Drug Designation for P-BCMA-ALLO1 underscores the high unmet medical need for a rapid and accessible off-the-shelf allogeneic CAR-T therapy for patients with multiple myeloma," said Kristin Yarema, Ph.D., President and Chief Executive Officer of the Company. "This designation further validates our belief that TSCM-rich allogeneic CAR-T therapies may potentially offer the optimal combination of clinical results, on-demand availability, and high-volume production, while supporting broader access to CAR-T therapies. We look forward to continuing our work on the Phase 1 study of P-BCMA-ALLO1 and plan to share further clinical updates in 2024."
The Company is currently evaluating P-BCMA-ALLO1 in a Phase 1 clinical trial and recently shared positive early safety and preliminary efficacy data at the 65th American Society of Hematology (ASH) Annual Meeting and Exposition in December 2023. Data highlighted at the meeting showed that P-BCMA-ALLO1 was a well-tolerated off-the-shelf therapy with a favorable emerging safety profile, delivered to
The Company will present data on a subset of recently enrolled patients refractory to initial BCMA targeting therapy in a poster presentation at the American Association for Cancer Research (AACR) Annual Meeting in
Subject to coordination with Roche, the Company plans to provide an additional clinical update on the P-BCMA-ALLO1 program at a scientific meeting in the second half of 2024.
The FDA's Orphan Drug Designation program provides orphan status to drugs or biologics intended for the prevention, diagnosis, or treatment of diseases that affect fewer than 200,000 people in
About P-BCMA-ALLO1
P-BCMA-ALLO1 is an allogeneic CAR-T product candidate licensed to Roche targeting B-cell maturation antigen (BCMA) for the treatment of relapsed/refractory multiple myeloma. This allogeneic program includes a VH-based binder that targets BCMA and clinical data presented at ASH in December 2023 support the Company's belief that TSCM-rich allogeneic CAR-Ts have the potential to offer effective, safe, and reliable treatment addressing unmet needs in multiple myeloma. Additional information about the Phase 1 study is available at www.clinicaltrials.gov using identifier: NCT04960579.
About Poseida Therapeutics, Inc.
Poseida Therapeutics is a clinical-stage biopharmaceutical company advancing differentiated cell and gene therapies with the capacity to cure certain cancers and rare diseases. The Company's pipeline includes allogeneic CAR-T cell therapy product candidates for both solid and liquid tumors as well as in vivo gene therapy product candidates that address patient populations with high unmet medical need. The Company's approach to cell and gene therapies is based on its proprietary genetic editing platforms, including its non-viral piggyBac® DNA Delivery System, Cas-CLOVER™ Site-Specific Gene Editing System, Booster Molecule, and nanoparticle and hybrid gene delivery technologies as well as in-house GMP cell therapy manufacturing. The Company has formed a global strategic collaboration with Roche to unlock the promise of cell therapies for patients with hematological malignancies. Learn more at www.poseida.com and connect with Poseida on X and LinkedIn.
Forward-Looking Statements
Statements contained in this press release regarding matters that are not historical facts are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements include statements regarding, among other things, expected plans with respect to clinical trials, including timing of regulatory submissions and approvals and clinical data updates; anticipated timelines and milestones with respect to the Company's development programs and manufacturing activities and capabilities; the potential capabilities and benefits of the Company's technology platforms and product candidates, including the efficacy and safety profile of such product candidates; the quote from Dr. Yarema; the Company's ability to exploit and consummate additional business development opportunities; the Company's ability to attract and/or retain new and existing collaborators with relevant expertise and its expectations regarding the potential benefits to be derived from any such collaborations; potential benefits from receiving Orphan Drug Designation for P-BCMA-ALLO1; and the Company's plans and strategy with respect to developing its technologies and product candidates. Because such statements are subject to risks and uncertainties, actual results may differ materially from those expressed or implied by such forward-looking statements. These forward-looking statements are based upon the Company's current expectations and involve assumptions that may never materialize or may prove to be incorrect. Actual results could differ materially from those anticipated in such forward-looking statements as a result of various risks and uncertainties, which include, without limitation, the Company's reliance on third parties for various aspects of its business; risks and uncertainties associated with development and regulatory approval of novel product candidates in the biopharmaceutical industry; the Company's ability to retain key scientific or management personnel; the fact that the Company will have limited control over the efforts and resources that Roche devotes to advancing development programs under its collaboration agreement and the Company may not receive the potential fees and payments under the collaboration agreement and the ability of Roche to early terminate the collaboration, such that the Company may not fully realize the benefits of the collaboration; and the other risks described in the Company's filings with the Securities and Exchange Commission. All forward-looking statements contained in this press release speak only as of the date on which they were made. The Company undertakes no obligation to update such statements to reflect events that occur or circumstances that exist after the date on which they were made, except as required by law.
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