Novartis CAR-T cell therapy CTL019 unanimously (10-0) recommended for approval by FDA advisory committee to treat pediatric, young adult r/r B-cell ALL

NovartisNovartis announced today that the US Food and Drug Administration (FDA) Oncologic Drugs Advisory Committee (ODAC) unanimously (10-0) recommended approval of CTL019 (tisagenlecleucel), an investigational chimeric antigen receptor T cell (CAR-T) therapy, for the treatment of relapsed or refractory (r/r) pediatric and young adult patients with B-cell acute lymphoblastic leukemia (ALL).

"The panel's unanimous recommendation in favor of CTL019 moves us closer to potentially delivering the first-ever commercially approved CAR-T cell therapy to patients in need," said Bruno Strigini, CEO, Novartis Oncology. "We're very proud to be expanding new frontiers in cancer treatment by advancing immunocellular therapy for children and young adults with r/r B-cell ALL and other critically ill patients who have limited options. We look forward to working with the FDA as they complete their review."

Acute lymphoblastic leukemia comprises approximately 25% of cancer diagnoses among children under 15 years old and is the most common childhood cancer in the US[1]. Effective treatment options for patients with r/r ALL are limited. In pediatric and young adult patients with B-cell ALL that have relapsed multiple times or become refractory to treatment, the five-year disease-free survival is less than 10-30%[2],[3],[4].

The ODAC recommendation is based on review of the CTL019 r/r B-cell ALL development program, which includes the Novartis-led ELIANA study (NCT02435849), the first pediatric global CAR-T cell therapy registration trial. Findings from a US multicenter trial and a single site trial examining the safety and efficacy of CTL019 among pediatric and young adult patients with r/r B-cell ALL also supported the recommendation and the Biologics License Application (BLA)[5].

CTL019 was first developed by the University of Pennsylvania (Penn) and uses the 4-1BB costimulatory domain in its chimeric antigen receptor to enhance cellular responses as well as persistence of CTL019 after it is infused into the patient, which may be associated with long-lasting remissions in patients. In 2012, Novartis and Penn entered into a global collaboration to further research, develop and commercialize CAR-T cell therapies, including CTL019, for the investigational treatment of cancers. Children's Hospital of Philadelphia (CHOP) was the first institution to investigate CTL019 in the treatment of pediatric patients and led the single site trial.

"It is encouraging to see the FDA panel's recommendation and continued momentum behind this innovative therapy, which has potential to help young patients with relapsed/refractory B-cell ALL," said the Penn team's leader, Carl June, MD, the Richard W. Vague Professor of Immunotherapy, director of the Center for Cellular Immunotherapies in Penn's Perelman School of Medicine and director of the Parker Institute for Cancer Immunotherapy at Penn. "We look forward to continuing to work with Novartis to help make a lasting impact on the way this disease is treated."

"We know firsthand from treating children and young adults with relapsed/refractory B-cell ALL that they desperately need innovative medicines that provide a new approach to managing this aggressive disease," said Stephan Grupp, MD, PhD, the Yetta Deitch Novotny Professor of Pediatrics at the Perelman School of Medicine at Penn, Director of the Cancer Immunotherapy Frontier Program and Chief of the Section of Cellular Therapy and Transplant at CHOP. "Today's vote in favor of CTL019 is a positive step and we appreciate Novartis' commitment to pediatric patients."

Earlier this year, Novartis submitted a BLA for CTL019 to the FDA, marking the first submission by Novartis for a CAR-T cell therapy. CTL019 previously received FDA Breakthrough Therapy designation and is under Priority Review by the FDA. The FDA will consider the vote as it reviews the BLA, although it is not obligated to follow the recommendation. Novartis continues to invest in the necessary infrastructure for the potential commercialization of CTL019, including manufacturing and the establishment of a network of certified treatment centers.

Novartis plans additional filings for CTL019 in the US and EU later this year, including applications with the FDA and European Medicines Agency (EMA) for the treatment of adults with r/r diffuse large B-cell lymphoma (DLBCL).

About CAR-T and CTL019
CAR-T is different from typical small molecule or biologic therapies because it is manufactured for each individual patient using their own cells. During the treatment process, T cells are drawn from a patient's blood and reprogrammed in the manufacturing facility to create T cells that are genetically coded to express a chimeric antigen receptor to recognize and fight cancer cells and other B-cells expressing a specific antigen.

ELIANA (NCT02435849) is the first pediatric global CAR-T cell therapy registration trial, with study enrollment having occurred across 25 centers in the US, Canada, EU, Australia and Japan.

Because CTL019 is an investigational therapy, the safety and efficacy profile has not yet been established. Access to investigational therapies is available only through carefully controlled and monitored clinical trials. These trials are designed to better understand the potential benefits and risks of the therapy. Because of the uncertainty of clinical trials, there is no guarantee that CTL019 will ever be commercially available anywhere in the world.

About CTL019 Manufacturing
The Novartis leukapheresis process using cryopreservation allowed for manufacturing and treatment of patients from around the world. Cryopreserved leukapheresis involves removing white blood cells from a patient's blood and preserving them at very low temperatures. Cryopreserved leukapheresis gives physicians the flexibility to schedule apheresis at a time that is in the best interest of their patients. Novartis commercial manufacturing for CTL019 continues to build on its experience in its Morris Plains, New Jersey facility, which has already manufactured CTL019 for hundreds of patients in global clinical trials. Novartis believes that experience is important in cell therapy manufacturing, and the experience gained at the Morris Plains, New Jersey facility will be a foundation for commercial manufacturing of CAR-T therapies. Novartis has made and continues to make investments in manufacturing.

About Novartis
Novartis provides innovative healthcare solutions that address the evolving needs of patients and societies. Headquartered in Basel, Switzerland, Novartis offers a diversified portfolio to best meet these needs: innovative medicines, cost-saving generic and biosimilar pharmaceuticals and eye care. Novartis has leading positions globally in each of these areas. In 2016, the Group achieved net sales of USD 48.5 billion, while R&D throughout the Group amounted to approximately USD 9.0 billion. Novartis Group companies employ approximately 118,000 full-time-equivalent associates. Novartis products are sold in approximately 155 countries around the world.

1. Howlader, N., Noone, A.. M, Krapcho, M., et al. SEER Cancer Statistics Review, 1975-2010. National Cancer Institute, April 2013; Section 28.9 (12).
2. Oudot, C.., Auclerc, F.., Levy, V., et al. Prognostic Factors for Leukemia Induction Failure in Children With Acute Lymphoblastic Leukemia and Outcome After Salvage Therapy: The FRALLE 93 Study. Journal of Clinical Oncology, March 2008; Volume 28 (9).
3. Chessels, J., Veys, P., Kempski, H., et al. Long-term follow-up of relapsed childhood acute lymphoblastic leukaemia. British Journal of Hematology, 2003; 123 (3).
4. Reismuller, B., Peters, C., Dworzak, M., et al. Outcome of children and adolescents with a second or third relapse of acute lymphoblastic leukemia (ALL): a population-based analysis of the Austrian ALL-BFM (Berlin-Frankfurt-M√ľnster) Study Group. Journal of Pediatric Hematology/Oncology. July 2013; 35 (5).
5. Novartis CTL019 ODAC Briefing Document.

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