Healthcare Industry News: Mantle Cell Lymphoma
News Release - June 25, 2018
IMBRUVICA(R) (ibrutinib) Supplemental New Drug Application Accepted for Review by U.S. FDA with Potential to Broaden Treatment Use as a Combination Treatment Option with Rituximab in Waldenström's Macroglobulinemia (WM), A Rare Form of Blood CancerThe filing is based on data from the Phase 3 iNNOVATE study, which suggest that IMBRUVICA plus rituximab may improve outcomes across all lines of Waldenström's macroglobulinemia (WM) treatment, including patients with prior lines of therapy and various genetic factors, versus rituximab alone
If approved, the sNDA would expand the FDA's prescribing information for IMBRUVICA in WM as the first chemotherapy-free combination treatment option
IMBRUVICA is the first and only FDA-approved treatment for patients with WM
NORTH CHICAGO, Ill., June 25, 2018 -- (Healthcare Sales & Marketing Network) -- AbbVie (NYSE: ABBV), a research-based global biopharmaceutical company, today announced the U.S. Food and Drug Administration (FDA) has accepted for Priority Review a supplemental New Drug Application (sNDA) for IMBRUVICA® (ibrutinib) in combination with rituximab (RITUXAN®) as a new treatment option for Waldenström's macroglobulinemia (WM), a rare and incurable form of blood cancer.1 If approved, the sNDA would expand the prescribing information of IMBRUVICA in WM beyond its current approved use as a single agent for all lines of therapy to include combination use with rituximab. As a single-agent therapy, IMBRUVICA is the first and only FDA-approved treatment available for patients with WM. IMBRUVICA is a first-in-class Bruton's tyrosine kinase (BTK) inhibitor jointly developed and commercialized by Pharmacyclics LLC, an AbbVie company, and Janssen Biotech, Inc.
"We are excited about the data from the Phase 3 iNNOVATE study, which indicate that IMBRUVICA plus rituximab was able to improve progression-free survival, versus rituximab alone, across all lines of therapy and Waldenström's macroglobulinemia patient subgroups that were studied," said Thorsten Graef, M.D., Ph.D., Head of Clinical Development at Pharmacyclics LLC, an AbbVie company. "These promising findings build on our commitment to exploring the full potential of IMBRUVICA alone and in combination with other treatments. If approved, this chemotherapy-free combination will provide another treatment opportunity for patients living with this rare disease, which continues to have very limited treatment options."
The sNDA is supported by data from the Phase 3 iNNOVATE (PCYC-1127) trial assessing IMBRUVICA in combination with rituximab, versus rituximab alone, in patients with previously untreated and relapsed/refractory WM. These data were recently presented at the American Society of Clinical Oncology (ASCO) 2018 Annual Meeting and simultaneously published in The New England Journal of Medicine.
Waldenström's macroglobulinemia is a rare and incurable form of non-Hodgkin's lymphoma (NHL). There are about 2,800 new cases of WM in the U.S. each year.1 In January 2015, IMBRUVICA received FDA approval for all lines of treatment in WM and as the first and only FDA-approved therapy specifically indicated for this disease.
iNNOVATE is a Pharmacyclics-sponsored, randomized, placebo-controlled, double-blind, Phase 3 study, which enrolled 150 patients with relapsed/refractory and treatment-naïve Waldenström's macroglobulinemia. Patients were randomized to receive intravenous rituximab 375 mg/m2 once weekly for four consecutive weeks, followed by a second four-weekly rituximab course following a three-month interval. All patients received either ibrutinib 420 mg or placebo once daily continuously until criteria for permanent discontinuation were met. The primary endpoint was progression-free survival, with secondary objectives including overall response rate, hematological improvement measured by hemoglobin, time-to-next treatment, overall survival and number of participants with adverse events as a measure of safety and tolerability within each treatment arm.
IMBRUVICA (ibrutinib) is a first-in-class, oral, once-daily therapy that mainly works by blocking a protein called Bruton's tyrosine kinase (BTK). BTK is a key signaling molecule in the B-cell receptor signaling complex that plays an important role in the survival and spread of malignant B cells as well as other serious, debilitating conditions.2 IMBRUVICA blocks signals that tell malignant B cells to multiply and spread uncontrollably.
IMBRUVICA is FDA-approved in six distinct patient populations: chronic lymphocytic leukemia (CLL), small lymphocytic lymphoma (SLL), Waldenström's macroglobulinemia (WM), along with previously-treated Mantle Cell Lymphoma (MCL), previously-treated marginal zone lymphoma (MZL) and previously-treated chronic graft-versus-host disease (cGVHD).3
- IMBRUVICA was first approved for adult patients with MCL who have received at least one prior therapy in November 2013.
- Soon after, IMBRUVICA was initially approved in adult CLL patients who have received at least one prior therapy in February 2014. By July 2014, the therapy received approval for adult CLL patients with 17p deletion, and by March 2016, the therapy was approved as a frontline CLL treatment.
- IMBRUVICA was approved for adult patients with WM in January 2015.
- In May 2016, IMBRUVICA was approved in combination with bendamustine and rituximab (BR) for adult patients with previously treated CLL/SLL.
- In January 2017, IMBRUVICA was approved for adult patients with MZL who require systemic therapy and have received at least one prior anti-CD20-based therapy.
- In August 2017, IMBRUVICA was approved for adult patients with cGVHD that failed to respond to one or more lines of systemic therapy.
IMBRUVICA has been granted four Breakthrough Therapy Designations from the U.S. FDA. This designation is intended to expedite the development and review of a potential new drug for serious or life-threatening diseases.4 IMBRUVICA was one of the first medicines to receive FDA approval via the new Breakthrough Therapy Designation pathway.
IMBRUVICA is being studied alone and in combination with other treatments in several blood and solid tumor cancers and other serious illnesses. IMBRUVICA has one of the most robust clinical oncology development programs for a single molecule in the industry, with more than 130 ongoing clinical trials. There are approximately 30 ongoing company-sponsored trials, 14 of which are in Phase 3, and more than 100 investigator-sponsored trials and external collaborations that are active around the world. To date, 100,000 patients around the world have been treated with IMBRUVICA in clinical practice and clinical trials.
IMPORTANT SAFETY INFORMATION
WARNINGS AND PRECAUTIONS
Hemorrhage: Fatal bleeding events have occurred in patients treated with IMBRUVICA®. Grade 3 or higher bleeding events (intracranial hemorrhage [including subdural hematoma], gastrointestinal bleeding, hematuria, and post-procedural hemorrhage) have occurred in up to 6% of patients. Bleeding events of any grade, including bruising and petechiae, occurred in approximately half of patients treated with IMBRUVICA®.
The mechanism for the bleeding events is not well understood.
IMBRUVICA® may increase the risk of hemorrhage in patients receiving antiplatelet or anticoagulant therapies and patients should be monitored for signs of bleeding.
Consider the benefit-risk of withholding IMBRUVICA® for at least 3 to 7 days pre and post-surgery depending upon the type of surgery and the risk of bleeding.
Infections: Fatal and non-fatal infections (including bacterial, viral, or fungal) have occurred with IMBRUVICA® therapy. Grade 3 or greater infections occurred in 14% to 29% of patients. Cases of progressive multifocal leukoencephalopathy (PML) and Pneumocystis jirovecii pneumonia (PJP) have occurred in patients treated with IMBRUVICA®. Consider prophylaxis according to standard of care in patients who are at increased risk for opportunistic infections.
Monitor and evaluate patients for fever and infections and treat appropriately.
Cytopenias: Treatment-emergent Grade 3 or 4 cytopenias including neutropenia (range, 13 to 29%), thrombocytopenia (range, 5 to 17%), and anemia (range, 0 to 13%) based on laboratory measurements occurred in patients with B-cell malignancies treated with single agent IMBRUVICA®.
Monitor complete blood counts monthly.
Cardiac Arrhythmias: Fatal and serious cardiac arrhythmias have occurred with IMBRUVICA® therapy. Grade 3 or greater ventricular tachyarrhythmias occurred in 0 to 1% of patients, and Grade 3 or greater atrial fibrillation and atrial flutter occurred in 0 to 6% of patients. These events have occurred particularly in patients with cardiac risk factors, hypertension, acute infections, and a previous history of cardiac arrhythmias.
Periodically monitor patients clinically for cardiac arrhythmias. Obtain an ECG for patients who develop arrhythmic symptoms (e.g., palpitations, lightheadedness, syncope, chest pain) or new onset dyspnea. Manage cardiac arrhythmias appropriately, and if it persists, consider the risks and benefits of IMBRUVICA® treatment and follow dose modification guidelines.
Hypertension: Hypertension (range, 6 to 17%) has occurred in patients treated with IMBRUVICA® with a median time to onset of 4.6 months (range, 0.03 to 22 months). Monitor patients for new onset hypertension or hypertension that is not adequately controlled after starting IMBRUVICA®.
Adjust existing anti-hypertensive medications and/or initiate anti-hypertensive treatment as appropriate.
Second Primary Malignancies: Other malignancies (range, 3 to 16%) including non-skin carcinomas (range, 1 to 4%) have occurred in patients treated with IMBRUVICA®. The most frequent second primary malignancy was non-melanoma skin cancer (range, 2 to 13%).
Tumor Lysis Syndrome: Tumor lysis syndrome has been infrequently reported with IMBRUVICA® therapy. Assess the baseline risk (e.g., high tumor burden) and take appropriate precautions.
Monitor patients closely and treat as appropriate.
Embryo-Fetal Toxicity: Based on findings in animals, IMBRUVICA® can cause fetal harm when administered to a pregnant woman. Advise women to avoid becoming pregnant while taking IMBRUVICA® and for 1 month after cessation of therapy. If this drug is used during pregnancy or if the patient becomes pregnant while taking this drug, the patient should be apprised of the potential hazard to a fetus. Advise men to avoid fathering a child during the same time period.
B-cell malignancies: The most common adverse reactions (=20%) in patients with B-cell malignancies (MCL, CLL/SLL, WM and MZL) were thrombocytopenia (62%)*, neutropenia (61%)*, diarrhea (43%), anemia (41%)*, musculoskeletal pain (30%), bruising (30%), rash (30%), fatigue (29%), nausea (29%), hemorrhage (22%), and pyrexia (21%).
The most common Grade 3 or 4 adverse reactions (=5%) in patients with B-cell malignancies (MCL, CLL/SLL, WM and MZL) were neutropenia (39%)*, thrombocytopenia (16%)*, and pneumonia (10%).
Approximately 6% (CLL/SLL), 14% (MCL), 11% (WM) and 10% (MZL) of patients had a dose reduction due to adverse reactions. Approximately 4%-10% (CLL/SLL), 9% (MCL), and 9 % (WM [6%] and MZL [13%]) of patients discontinued due to adverse reactions.
cGVHD: The most common adverse reactions (=20%) in patients with cGVHD were fatigue (57%), bruising (40%), diarrhea (36%), thrombocytopenia (33%)*, stomatitis (29%), muscle spasms (29%), nausea (26%), hemorrhage (26%), anemia (24%)*, and pneumonia (21%).
The most common Grade 3 or 4 adverse reactions (=5%) reported in patients with cGVHD were fatigue (12%), diarrhea (10%), neutropenia (10%)*, pneumonia (10%), sepsis (10%), hypokalemia (7%), headache (5%), musculoskeletal pain (5%), and pyrexia (5%).
Twenty-four percent of patients receiving IMBRUVICA® in the cGVHD trial discontinued treatment due to adverse reactions. Adverse reactions leading to dose reduction occurred in 26% of patients.
*Treatment-emergent decreases (all grades) were based on laboratory measurements and adverse reactions.
CYP3A Inhibitors: Dose adjustment may be recommended.
CYP3A Inducers: Avoid coadministration with strong CYP3A inducers.
Hepatic Impairment (based on Child-Pugh criteria): Avoid use of IMBRUVICA® in patients with severe baseline hepatic impairment. In patients with mild or moderate impairment, reduce IMBRUVICA® dose.
Please see full Prescribing Information.
AbbVie is a global, research-driven biopharmaceutical company committed to developing innovative advanced therapies for some of the world's most complex and critical conditions. The company's mission is to use its expertise, dedicated people and unique approach to innovation to markedly improve treatments across four primary therapeutic areas: immunology, oncology, virology and neuroscience. In more than 75 countries, AbbVie employees are working every day to advance health solutions for people around the world. For more information about AbbVie, please visit us at www.abbvie.com.
Some statements in this news release may be forward-looking statements for purposes of the Private Securities Litigation Reform Act of 1995. The words "believe," "expect," "anticipate," "project" and similar expressions, among others, generally identify forward-looking statements. AbbVie cautions that these forward-looking statements are subject to risks and uncertainties that may cause actual results to differ materially from those indicated in the forward-looking statements. Such risks and uncertainties include, but are not limited to, challenges to intellectual property, competition from other products, difficulties inherent in the research and development process, adverse litigation or government action, and changes to laws and regulations applicable to our industry. Additional information about the economic, competitive, governmental, technological and other factors that may affect AbbVie's operations is set forth in Item 1A, "Risk Factors," in AbbVie's 2015 Annual Report on Form 10-K, which has been filed with the Securities and Exchange Commission. AbbVie undertakes no obligation to release publicly any revisions to forward-looking statements as a result of subsequent events or developments, except as required by law.
IMBRUVICA is a registered trademark of Pharmacyclics LLC.
1 Lymphoma Research Foundation. Getting the facts: Waldenström macroglobulinemia. https://www.lymphoma.org/wp-content/uploads/2017/06/LRF_FACTSHEET_Waldenstro%CC%88m_Macroglobulinemia.pdf. Accessed June 2018.
2 Genetics Home Reference. Isolated growth hormone deficiency. http://ghr.nlm.nih.gov/condition/isolated-growth-hormone-deficiency. Accessed June 2018.
3 IMBRUVICA U.S. Prescribing Information, February 2018.
4 U.S. Food and Drug Administration. Fact sheet: breakthrough therapies. https://www.fda.gov/RegulatoryInformation/LawsEnforcedbyFDA/SignificantAmendmentstotheFDCAct/FDASIA/ucm329491.htm. Accessed June 2018.
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