Takeda’s EXKIVITY™ (mobocertinib) Approved by U.S. FDA as the First Oral Therapy Specifically Designed for Patients with EGFR Exon20 Insertion+ NSCLC

Takeda Pharmaceutical Company Limited (TSE:4502/NYSE:TAK) (“Takeda”) today announced that the U.S. Food and Drug Administration (FDA) has approved EXKIVITY (mobocertinib) for the treatment of adult patients with locally advanced or metastatic non-small cell lung cancer (NSCLC) with epidermal growth factor receptor (EGFR) exon 20 insertion mutations as detected by an FDA-approved test, whose disease has progressed on or after platinum-based chemotherapy. EXKIVITY, which was granted priority review and received Breakthrough Therapy Designation, Fast Track Designation and Orphan Drug Designation from the FDA, is the first and only approved oral therapy specifically designed to target EGFR Exon20 insertion mutations. This indication is approved under Accelerated Approval based on overall response rate (ORR) and DoR. Continued approval for this indication may be contingent upon verification and description of clinical benefit in a confirmatory trial.

“The approval of EXKIVITY introduces a new and effective treatment option for patients with EGFR Exon20 insertion+ NSCLC, fulfilling an urgent need for this difficult-to-treat cancer,” said Teresa Bitetti, president, Global Oncology Business Unit, Takeda. “EXKIVITY is the first and only oral therapy specifically designed to target EGFR Exon20 insertions, and we are particularly encouraged by the duration of the responses observed with a median of approximately 1.5 years. This approval milestone reinforces our commitment to meeting the needs of underserved patient populations within the oncology community.”

The FDA simultaneously approved Thermo Fisher Scientific’s Oncomine Dx Target Test as an NGS companion diagnostic for EXKIVITY to identify NSCLC patients with EGFR Exon20 insertions. NGS testing is critical for these patients, as it can enable more accurate diagnoses compared to polymerase chain reaction (PCR) testing, which detects less than 50% of EGFR Exon20 insertions.

“EGFR Exon20 insertion+ NSCLC is an underserved cancer that we have been unable to target effectively with traditional EGFR TKIs,” said Pasi A. Jänne, MD, PhD, Dana Farber Cancer Institute. “The approval of EXKIVITY (mobocertinib) marks another important step forward that provides physicians and their patients with a new targeted oral therapy specifically designed for this patient population that has shown clinically meaningful and sustained responses.”

“Patients with EGFR Exon20 insertion+ NSCLC have historically faced a unique set of challenges living with a very rare lung cancer that is not only underdiagnosed, but also lacking targeted treatment options that can improve response rates,” said Marcia Horn, executive director, Exon 20 Group at ICAN, International Cancer Advocacy Network. “As a patient advocate working with EGFR Exon20 insertion+ NSCLC patients and their families every day for nearly five years, I am thrilled to witness continued progress in the fight against this devastating disease and am grateful for the patients, families, healthcare professionals and scientists across the globe who contributed to the approval of this promising targeted therapy.”

The FDA approval is based on results from the platinum-pretreated population in the Phase 1/2 trial of EXKIVITY, which consisted of 114 patients with EGFR Exon20 insertion+ NSCLC who received prior platinum-based therapy and were treated at the 160 mg dose. Results were presented at the 2021 American Society of Clinical Oncology (ASCO) Annual Meeting from the Phase 1/2 trial and demonstrated a confirmed ORR of 28% per independent review committee (IRC) (35% per investigator) as well as a median DoR of 17.5 months per IRC, a median overall survival (OS) of 24 months and a median progression-free survival (PFS) of 7.3 months per IRC.

The most common adverse reactions (>20%) were diarrhea, rash, nausea, stomatitis, vomiting, decreased appetite, paronychia, fatigue, dry skin, and musculoskeletal pain. The EXKIVITY Prescribing Information includes a boxed warning for QTc prolongation and Torsades de Pointes, and warnings and precautions for interstitial lung disease/pneumonitis, cardiac toxicity, and diarrhea.

The FDA review was conducted under Project Orbis, an initiative of the FDA Oncology Center of Excellence (OCE), which provides a framework for concurrent submission and review of oncology products among international partners. We look forward to continuing our work with regulatory agencies across the globe to bring mobocertinib to patients.

Delivering Takeda’s Wave 1 Pipeline
Takeda is positioned to deliver near-term growth through global brand expansions and its Wave 1 pipeline, which includes multiple best-in-class/first-in-class new molecular entities (NMEs) with potential for approvals through FY2024. Our Wave 2 pipeline contains approximately 30 NMEs and next-generation platforms that will support Takeda’s sustainable growth through FY25 and beyond.

About EXKIVITY (mobocertinib)
EXKIVITY is a first-in-class, oral tyrosine kinase inhibitor (TKI) specifically designed to selectively target epidermal growth factor receptor (EGFR) Exon20 insertion mutations.

EXKIVITY is approved in the U.S. for the treatment of adult patients with locally advanced or metastatic non-small cell lung cancer (NSCLC) with EGFR exon 20 insertion mutations as detected by an FDA-approved test, whose disease has progressed on or after platinum-based chemotherapy.

Results from the Phase 1/2 trial of mobocertinib have also been accepted for review by the Center for Drug Evaluation (CDE) in China for locally advanced or metastatic NSCLC patients with EGFR Exon20 insertion mutations who have been previously treated with at least one prior systemic chemotherapy.

For more information about EXKIVITY, visit www.EXKIVITY.com. For the Prescribing Information, including the Boxed Warning, please visit https://takeda.info/Exkivity-Prescribing-Information.

About EGFR Exon20 Insertion+ NSCLC
Non-small cell lung cancer (NSCLC) is the most common form of lung cancer, accounting for approximately 85% of the estimated 2.2 million new cases of lung cancer diagnosed each year worldwide, according to the World Health Organization.^1,2 Patients with epidermal growth factor receptor (EGFR) Exon20 insertion+ NSCLC make up approximately 1-2% of patients with NSCLC, and the disease is more common in Asian populations compared to Western populations.^3-7 This disease carries a worse prognosis than other EGFR mutations, as EGFR TKIs – which do not specifically target EGFR Exon20 insertions – and chemotherapy provide limited benefit for these patients.

Takeda is committed to continuing research and development to meet the needs of the lung cancer community through the discovery and delivery of transformative medicines.

EXKIVITY IMPORTANT SAFETY INFORMATION
QTc Interval Prolongation and Torsades de Pointes: EXKIVITY can cause life-threatening heart rate-corrected QT (QTc) prolongation, including Torsades de Pointes, which can be fatal, and requires monitoring of QTc and electrolytes at baseline and periodically during treatment. Increase monitoring frequency in patients with risk factors for QTc prolongation. Avoid use of concomitant drugs which are known to prolong the QTc interval and use of strong or moderate CYP3A inhibitors with EXKIVITY, which may further prolong the QTc. Withhold, reduce the dose, or permanently discontinue EXKIVITY based on the severity of QTc prolongation.

Interstitial Lung Disease (ILD)/Pneumonitis: Monitor patients for new or worsening pulmonary symptoms indicative of ILD/pneumonitis. Immediately withhold EXKIVITY in patients with suspected ILD/pneumonitis and permanently discontinue EXKIVITY if ILD/pneumonitis is confirmed.
Cardiac Toxicity: Monitor cardiac function, including left ventricular ejection fraction, at baseline and during treatment. Withhold, resume at reduced dose or permanently discontinue based on severity.
Diarrhea: Diarrhea may lead to dehydration or electrolyte imbalance, with or without renal impairment. Monitor electrolytes and advise patients to start an antidiarrheal agent at first episode of diarrhea and to increase fluid and electrolyte intake. Withhold, reduce the dose, or permanently discontinue EXKIVITY based on the severity.
Embryo-Fetal Toxicity: Can cause fetal harm. Advise females of reproductive potential of the potential risk to a fetus and to use effective non-hormonal contraception.

Takeda’s Commitment to Oncology
Our core R&D mission is to deliver novel medicines to patients with cancer worldwide through our commitment to science, breakthrough innovation and passion for improving the lives of patients. Whether it’s with our hematology therapies, our robust pipeline, or solid tumor medicines, we aim to stay both innovative and competitive to bring patients the treatments they need. For more information, visit www.takedaoncology.com.

About Takeda Pharmaceutical Company Limited
Takeda Pharmaceutical Company Limited (TSE: 4502/NYSE: TAK) is a global, values-based, R&D-driven biopharmaceutical leader headquartered in Japan, committed to discover and deliver life-transforming treatments, guided by our commitment to patients, our people and the planet. Takeda focuses its R&D efforts on four therapeutic areas: Oncology, Rare Genetics and Hematology, Neuroscience, and Gastroenterology (GI). We also make targeted R&D investments in Plasma-Derived Therapies and Vaccines. We are focusing on developing highly innovative medicines that contribute to making a difference in people’s lives by advancing the frontier of new treatment options and leveraging our enhanced collaborative R&D engine and capabilities to create a robust, modality-diverse pipeline. Our employees are committed to improving quality of life for patients and to working with our partners in health care in approximately 80 countries. For more information, visit https://www.takeda.com.

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Medical information
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¹ Sung H. Global Cancer Statistics 2020: GLOBOCAN Estimates of Incidence and Mortality Worldwide for 36 Cancers in 185 Countries. https://pubmed.ncbi.nlm.nih.gov/33538338/. Accessed May 27, 2021
² American Cancer Society. What is Non-Small Cell Lung Cancer? https://www.cancer.org/cancer/non-small-cell-lung-cancer/about/what-is-non-small-cell-lung-cancer.html.
³ Riess, Jonathan W. Diverse EGFR Exon 20 Insertions and Co-Occurring Molecular Alterations Identified by Comprehensive Genomic Profiling of NSCLC. https://www.jto.org/article/S1556-0864(18)30770-6/fulltext. Accessed April 7, 2020.
⁴ Fang, Wenfeng. BMC Cancer. EGFR exon 20 insertion mutations and response to osimertinib in non-small-cell lung cancer. https://bmccancer.biomedcentral.com/articles/10.1186/s12885-019-5820-0. Accessed April 7, 2020.
⁵ Kobayashi Y, Mitsudomi T. Not all epidermal growth factor receptor mutations in lung cancer are created equal: Perspectives for individualized treatment strategy. Cancer Sci. 2016;107(9):1179-1186. doi:10.1111/cas.12996
⁶ Yatabe Y, Kerr KM, Utomo A, et al. EGFR mutation testing practices within the Asia Pacific region: results of a multicenter diagnostic survey. J Thorac Oncol. 2015;10(3):438-445. doi:10.1097/JTO.0000000000000422
⁷ Kris MG, Johnson BE, Berry LD, et al. Using multiplexed assays of oncogenic drivers in lung cancers to select targeted drugs. JAMA. 2014;311(19):1998-2006. doi:10.1001/jama.2014.3741

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