Novartis Scemblix Granted FDA Accelerated Approval in Newly Diagnosed CML
East Hanover, October 29, 2024 – Novartis announced today that Scemblix (asciminib) was granted accelerated approval by the US Food and Drug Administration (FDA) for adult patients with newly diagnosed Philadelphia chromosome-positive chronic myeloid leukemia in chronic phase (Ph+ CML-CP).
The accelerated approval is based on major molecular response rate (MMR) at week 48 from the ASC4FIRST Phase III trial that compared once daily Scemblix to all other investigator-selected (IS) standard of care (SoC) tyrosine kinase inhibitors (TKIs) (imatinib, nilotinib, dasatinib, and bosutinib). In the study, Scemblix demonstrated superior MMR rates in both primary endpoints at week 48 vs. IS SoC TKIs and imatinib alone1-3. Continued approval for the newly diagnosed indication may be contingent upon verification and description of clinical benefit from confirmatory evidence.
The expanded indication in Ph+ CML-CP increases the population eligible for Scemblix by approximately four times, including newly diagnosed and previously treated adults. Newly diagnosed patients will now have access to a treatment that has shown superior efficacy vs. all standard of care therapies and a favorable safety and tolerability profile.
“Many patients who are newly diagnosed with CML struggle to navigate this chronic condition and may switch or even stop treatment because of side effects that interrupt their daily lives,” said Lee Greenberger, Ph.D., Chief Scientific Officer at The Leukemia & Lymphoma Society. “That’s why approvals of new first-line treatment options are so important. For patients, finding a medicine that’s right for them at the very beginning of treatment may lead to better long-term disease control with fewer side effects.”
While TKIs have transformed CML into a chronic disease, efficacy and safety challenges continue to hinder long-term treatment success for many patients. Many newly diagnosed patients do not meet molecular response goals, and many discontinue or change treatment due to intolerance4-23. Nearly half of CML patients do not meet efficacy milestones (MMR) and almost one in four patients discontinue or switch treatment within one year4-5.
“While there are a range of effective TKIs currently available for newly diagnosed patients, clinicians frequently have had to weigh sacrificing either efficacy or tolerability,” said Jorge Cortes, M.D., Director, Georgia Cancer Center. “In the first-of-its-kind ASC4FIRST trial, Scemblix achieved impressive results across all three parameters of efficacy, safety and tolerability versus all standard of care TKIs. This Scemblix data has the potential to be practice-changing.”
The FDA approval of Scemblix is based on results from the Phase III ASC4FIRST trial in patients newly diagnosed with Ph+ CML-CP. Data showed:
The ASC4FIRST trial remains ongoing, with the next scheduled analysis at week 96 to evaluate the key secondary endpoint (MMR at week 96) and additional secondary endpoints.
The approval was also supported by preliminary data from the Phase II ASC2ESCALATE study, which includes Ph+ CML-CP patients who have been previously treated with one prior TKI with discontinuation due to treatment failure, warning, or intolerance. Data will be shared at a future medical meeting.
“We are proud to help redefine CML treatment once again with Scemblix, as we continue to deliver on our 20+ year commitment to innovation and support in CML,” said Victor Bulto, President US, Novartis. “Despite many advances in the field, patients still need treatment options that are highly effective with a favorable tolerability profile to help enable them to achieve meaningful outcomes as they manage chronic conditions. With this approval, we can offer newly diagnosed adult Ph+ CML-CP patients a new treatment option that combines both, with the potential to change the trajectory of many more people living with CML.”
About ASC4FIRST Phase III Clinical TrialASC4FIRST (NCT04971226) is a Phase III, head-to-head, multi-center, open-label, randomized study of oral Scemblix® 80 mg QD vs. IS first- or second-generation TKIs (imatinib, nilotinib, dasatinib or bosutinib) in 405 adult patients with newly diagnosed Ph+ CML-CP1,24. The two primary endpoints of the study are to compare efficacy of asciminib vs. IS SoC TKIs and to compare efficacy vs. that of TKI within the stratum of participants with imatinib as pre-randomization selected TKI, based on proportion of patients that achieve MMR at week 481,24.
The study remains ongoing with key secondary endpoints of proportion of patients that achieve MMR at week 96 and a safety endpoint of discontinuation of study treatment due to an AE (TTDAE) by week 961,24. The study also assesses additional secondary safety and efficacy endpoints, including MMR, MR4, MR4.5, complete hematological response (CHR) and BCR::ABL1 ≤1% at and by all scheduled data collection time points; duration of and time to first MMR, MR4 and MR4.5; time to treatment failure; event-free survival, failure-free survival, progression-free survival and overall survival1,24.
About Scemblix® (asciminib)Scemblix® is the first CML treatment that works by Specifically Targeting the ABL Myristoyl Pocket (referred to as a STAMP inhibitor in scientific literature)25-27. The current approved CML treatments are TKIs that target the ATP-binding site (ATP-competitive) 27.
Scemblix was granted accelerated approval in the US to treat newly diagnosed adults and is also approved for previously treated adult patients with Ph+ CML-CP. Scemblix received Breakthrough Therapy designation for the treatment of newly diagnosed adult patients and was reviewed under the FDA’s Real-Time Oncology Review (RTOR) program28-30. It is approved in more than 75 countries, including the EU, to treat those who have previously been treated with two or more TKIs with Ph+ CML-CP28,29,31. In some countries, including the US, Scemblix is also approved in patients with Ph+ CML-CP with the T315I mutation28-30.
Scemblix is being studied across multiple treatment lines for Ph+ CML-CP, both as a monotherapy and in combination1,24-26,29,32-44.
Patient Access and SupportNovartis, with its 20+ year history in CML, is committed to continuing to address areas of unmet patient need and reducing barriers to patient access and affordability that prevent patients from benefiting from innovation. Novartis Patient Support is available to help guide eligible patients through the various aspects of getting started on treatment including help understanding insurance coverage and identifying potential financial assistance options. Patients or providers can call 866-433-8000 or visit support.Scemblix.com to learn more.
About Novartis Commitment to CMLNovartis has a long-standing scientific commitment to patients living with CML. For more than two decades, our bold science has helped transform CML from a life-limiting condition for many patients. Despite these advancements, there’s still work to be done. We continue to research ways to target the disease more selectively and to address the challenges of not reaching treatment efficacy goals, experiencing treatment resistance and/or intolerance that many patients face. Our legacy inspires our future innovation – we continue to lead the way in developing novel medicines to address serious unmet needs in CML. Our commitment also goes beyond science. Our 20+ year collaboration with the Max Foundation has provided access to Gleevec (imatinib), Tasigna (nilotinib) and now Scemblix and is delivering tremendous patient impact in low- and middle-income countries, with over 100,000 patients supported to date.
IndicationsScemblix® (asciminib) tablets is a prescription medicine used to treat adults with newly diagnosed or previously treated Philadelphia chromosome-positive chronic myeloid leukemia (Ph+ CML) in chronic phase (CP). The approval of Scemblix in patients newly diagnosed is based on a study that measured major molecular response (MMR) rate. There are ongoing studies to confirm the clinical benefit of Scemblix for this use and how Scemblix works over a longer period of time. Scemblix is also approved for use in adults with Ph+ CML in CP with the T315I mutation. It is not known if Scemblix is safe and effective in children.
Important Safety InformationScemblix® (asciminib) tablets may cause low platelet counts (thrombocytopenia), low white blood cell counts (neutropenia), and low red blood cell counts (anemia). Patients should tell their doctor right away if they have unexpected bleeding or easy bruising; blood in their urine or stools; fever; or any signs of an infection. Scemblix may increase enzymes in the patient’s blood called amylase and lipase, which may be a sign of inflammation of the pancreas (pancreatitis). Patients should tell their doctor right away if they have severe stomach-area (abdominal) pain or discomfort, nausea, or vomiting. During treatment with Scemblix, doctors may check the patient’s blood pressure and treat any high blood pressure as needed. Patients should tell their doctor if they develop high blood pressure or symptoms of high blood pressure including confusion, headaches, dizziness, chest pain, or shortness of breath.
If a patient has an allergic reaction while on Scemblix, they should stop taking Scemblix and get medical help right away. Signs or symptoms of an allergic reaction include trouble breathing or swallowing; feeling dizzy or faint; swelling of the face, lips, or tongue; fever; skin rash or flushing of their skin; or a fast heartbeat. Scemblix may cause heart and blood vessel problems, including heart attack; stroke; blood clots or blockage of a patient’s arteries; heart failure; and abnormal heartbeat, which can be serious and may sometimes lead to death. In the majority of cases, these heart and blood vessel problems can happen in people with risk factors or a history of these problems and previously treated with other tyrosine kinase inhibitor (TKI) medicines. Patients should tell their doctor right away if they get shortness of breath; chest pain or pressure; a feeling like their heart is beating too fast or they feel abnormal heartbeats; swelling in their ankles or feet; dizziness; weight gain; numbness or weakness on one side of their body; decreased vision or loss of vision; trouble talking; pain in their arms, legs, back, neck, or jaw; headache; or severe stomach-area (abdominal) pain.
Before taking Scemblix, patients should tell their doctor about all of their medical conditions, including if they have a history of pancreatitis; a history of heart problems or blood clots in their arteries and veins (types of blood vessels). Scemblix can harm an unborn baby. Women should tell their doctor right away if they become pregnant or think they may be pregnant during treatment with Scemblix. Women who are able to become pregnant should have a pregnancy test before they start Scemblix and should use effective birth control (contraception) during treatment and for 1 week after the last dose of Scemblix. Women should not breastfeed during treatment and for 1 week after their last dose of Scemblix. Scemblix may cause fertility problems in females. This may affect their ability to have a child.
Patients should tell their doctor about all the medicines they take, including prescription medicines, over-the-counter medicines, vitamins, and herbal supplements. Taking Scemblix with certain other medicines may affect each other causing side effects and may affect the way that Scemblix works. The most common side effects of Scemblix include muscle, bone, or joint pain; rash; tiredness; nose, throat, or sinus (upper respiratory tract) infections; headache; stomach-area (abdominal) pain; and diarrhea. The most common blood test abnormalities include decreased blood counts of white blood cells, platelets, red blood cells and blood calcium corrected levels; and increased blood levels of pancreas enzymes (amylase and lipase), blood fat (triglycerides and cholesterol), uric acid, liver enzymes, alkaline phosphatase, or creatine kinase.
Please see full Prescribing Information for Scemblix, available at https://www.novartis.us/sites/www.novartis.us/files/Scemblix.pdf.
DisclaimerThis press release contains forward-looking statements within the meaning of the United States Private Securities Litigation Reform Act of 1995. Forward-looking statements can generally be identified by words such as “potential,” “can,” “will,” “plan,” “may,” “could,” “would,” “expect,” “anticipate,” “look forward,” “believe,” “committed,” “investigational,” “pipeline,” “launch,” or similar terms, or by express or implied discussions regarding potential marketing approvals, new indications or labeling for the investigational or approved products described in this press release, or regarding potential future revenues from such products. You should not place undue reliance on these statements. Such forward-looking statements are based on our current beliefs and expectations regarding future events, and are subject to significant known and unknown risks and uncertainties. Should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary materially from those set forth in the forward-looking statements. There can be no guarantee that the investigational or approved products described in this press release will be submitted or approved for sale or for any additional indications or labeling in any market, or at any particular time. Nor can there be any guarantee that such products will be commercially successful in the future. In particular, our expectations regarding such products could be affected by, among other things, the uncertainties inherent in research and development, including clinical trial results and additional analysis of existing clinical data; regulatory actions or delays or government regulation generally; global trends toward health care cost containment, including government, payor and general public pricing and reimbursement pressures and requirements for increased pricing transparency; our ability to obtain or maintain proprietary intellectual property protection; the particular prescribing preferences of physicians and patients; general political, economic and business conditions, including the effects of and efforts to mitigate pandemic diseases; safety, quality, data integrity or manufacturing issues; potential or actual data security and data privacy breaches, or disruptions of our information technology systems, and other risks and factors referred to in Novartis AG’s current Form 20-F on file with the US Securities and Exchange Commission. Novartis is providing the information in this press release as of this date and does not undertake any obligation to update any forward-looking statements contained in this press release as a result of new information, future events or otherwise.
About NovartisNovartis is an innovative medicines company. Every day, we work to reimagine medicine to improve and extend people’s lives so that patients, healthcare professionals and societies are empowered in the face of serious disease. Our medicines reach more than 250 million people worldwide.
Reimagine medicine with us: Visit us at https://www.novartis.com and https://www.novartis.us and connect with us on LinkedIn, LinkedIn US, Facebook, X/Twitter, X/Twitter US and Instagram.
References
Source: Novartis
Posted : 2024-10-31 12:00
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