- Tibsovo is the first and only targeted therapy approved for patients with previously treated IDH1-mutated cholangiocarcinoma
BOSTON, Aug. 25, 2021 /PRNewswire/ — Servier Pharmaceuticals, a growing leader in oncology committed to bringing the promise of tomorrow to the patients we serve, announced today that the U.S. Food and Drug Administration (FDA) approved Tibsovo® (ivosidenib tablets) for the treatment of adult patients with previously treated, locally advanced or metastatic cholangiocarcinoma with an IDH1 mutation as detected by an FDA-approved test. Tibsovo is the first and only targeted therapy approved for patients with previously treated IDH1-mutated cholangiocarcinoma.
The supplemental New Drug Application (sNDA) for Tibsovo received Priority Review, which accelerated the review timeline and is typically given to drugs that may offer major advances in treatment or may provide a treatment where no adequate therapy exists.
“Servier has been focused on exploring the significant potential of inhibiting mutant IDH enzymes as a novel approach to treating cancers with high unmet needs, including cholangiocarcinoma,” said David K. Lee, CEO, Servier Pharmaceuticals. “We are proud to bring to patients the first and only targeted therapy for previously treated IDH1-mutated cholangiocarcinoma. We are grateful to the patients, caregivers, investigators and study teams who made this achievement possible through their participation in the ClarIDHy clinical trial.”
The FDA approval of this indication is supported by data from the ClarIDHy study, the first and only randomized Phase 3 trial for previously treated IDH1-mutated cholangiocarcinoma. Results from the ClarIDHy study demonstrated a statistically significant improvement in the primary endpoint of progression-free survival (PFS) by an independent review committee (hazard ratio [HR] 0.37; 95% CI [0.25, 0.54], p<0.001).1 The median PFS (95% CI) for Tibsovo and placebo was 2.7 (1.6, 4.2) and 1.4 (1.4, 1.6) months, respectively. Thirty-two percent and 22% of patients randomized to Tibsovo remained free of progression or death at 6 and 12 months, respectively, versus none on the placebo arm.
The study protocol specified that patients randomized to placebo could cross over to Tibsovo at the time of disease progression, and a high proportion of patients in the placebo arm (70.5%) crossed over to Tibsovo. The study also showed the key secondary endpoint of overall survival (OS) favoring patients randomized to Tibsovo compared to those randomized to placebo; however, statistical significance was not reached.1 OS results are based on the final analysis of OS (based on 150 events which occurred 16 months after the final analysis of PFS. The median OS (95% CI) for TIBSOVO was 10.3 (7.8, 12.4) months; and placebo was 7.5 (4.8, 11.1) months without adjusting for crossover.
The safety profile observed in the study was consistent with previously published data.1 The most common adverse reactions (≥15%) in patients with cholangiocarcinoma were fatigue, nausea, abdominal pain, diarrhea, cough, decreased appetite, ascites, vomiting, anemia, and rash.
The recommended Tibsovo dosage for previously treated IDH1-mutated cholangiocarcinoma is 500 mg orally once daily with or without food until disease progression or unacceptable toxicity.
“Patients living with IDH1-mutated cholangiocarcinoma, especially those whose disease progresses following chemotherapy, are in urgent need of new treatment options,” said Rachna T. Shroff, MD, Associate Professor of Medicine, University of Arizona, and Chief of GI Medical Oncology at the University of Arizona Cancer Center. “In addition to an acceptable safety profile, Tibsovo demonstrated an impressive, significant benefit in progression-free survival, underscoring its importance as a new option for patients battling this aggressive cancer.”
Cholangiocarcinoma is a rare, aggressive cancer of the bile ducts within and outside of the liver. An estimated 8,000 people in the United States are diagnosed with cholangiocarcinoma each year. However, the actual number of these cases is likely to be higher, as cholangiocarcinoma can be hard to diagnose, and may be misclassified as other types of cancer.2
“Before today’s approval of Tibsovo, there were no approved targeted therapies available to cholangiocarcinoma patients harboring the IDH1 mutation, and limited chemotherapy options available to patients with advanced disease,” said Stacie Lindsey, Founder and CEO, Cholangiocarcinoma Foundation. “This approval brings new hope to the cholangiocarcinoma community and we are excited that this much-needed new therapeutic option is being made available to patients.”
Servier Pharmaceuticals is introducing ServierONE Patient Support Services, a program that offers one-on-one support to help patients who are prescribed Tibsovo or other Servier products navigate their cancer journey. Eligible patients will have access to financial assistance, emotional support and other resources. More information can be found at www.servierone.com.
Tibsovo* is also approved in the U.S. as monotherapy for the treatment of adults with IDH1-mutated relapsed or refractory acute myeloid leukemia (AML) and for adults with newly diagnosed IDH1-mutated AML who are ≥75 years old or who have comorbidities that preclude the use of intensive induction chemotherapy.
Cholangiocarcinoma is a rare, aggressive cancer of the bile ducts within and outside of the liver. IDH1 mutations occur in up to 20% of cholangiocarcinoma cases in the U.S. and are not associated with prognosis.3 Prior to the approval of Tibsovo, there were no approved targeted therapies for IDH1-mutated cholangiocarcinoma and limited chemotherapy options are available in the advanced setting. Gemcitabine-based chemotherapy is often recommended for newly diagnosed advanced or metastatic disease.
About Servier Pharmaceuticals
Servier Pharmaceuticals LLC is a commercial-stage company with a passion for innovation and improving the lives of patients, their families and caregivers. A privately held company, Servier has the unique freedom to devote its time and energy toward putting those who require our treatment and care first, with future growth driven by innovation in areas of unmet medical need.
As a growing leader in oncology, Servier is committed to finding solutions that will address today’s challenges. The company’s oncology portfolio of innovative medicines is designed to bring more life-saving treatments to a greater number of patients, across the entire spectrum of disease and in a variety of tumor types.
Servier believes co-creation is fundamental to driving innovation and is actively building alliances, acquisitions, licensing deals and partnerships that bring solutions and accelerate access to therapies. With our commercial expertise, global reach, scientific expertise and commitment to clinical excellence, Servier Pharmaceuticals is dedicated to bringing the promise of tomorrow to the patients that we serve. More information: www.servier.us
Tibsovo is an isocitrate dehydrogenase-1 (IDH1) inhibitor indicated for the treatment of adult patients with a susceptible IDH1 mutation as detected by an FDA-approved test with:
- Acute Myeloid Leukemia (AML)
- Newly-diagnosed AML who are ≥ 75 years old or who have comorbidities that preclude use of intensive induction chemotherapy.
- Relapsed or refractory AML.
- Locally advanced or metastatic cholangiocarcinoma who have been previously treated.
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To the maximum extent permitted by applicable laws and regulations, Servier and its Affiliates shall not be liable for any loss, damage or expense whatsoever, whether direct or indirect, howsoever arising, whether in contract, tort (including negligence), strict liability or otherwise, for direct, indirect, incidental, consequential, punitive or special damages arising out of or in connection with this document, including (without limitation) any course of action taken on the basis of the same.
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*Servier has an exclusive collaboration and license agreement with CStone for the development and commercialization of TIBSOVO (ivosidenib tablets) in Mainland China, Taiwan, Hong Kong, Macau and Singapore.
SOURCE Servier Pharmaceuticals
Posted: August 2021
- Agios Announces FDA Approval of Tibsovo as Monotherapy for Newly Diagnosed Adult Patients with IDH1 Mutant Acute Myeloid Leukemia (AML) Not Eligible for Intensive Chemotherapy – May 2, 2019
- FDA Approves Tibsovo (ivosidenib) for Relapsed or Refractory Acute Myeloid Leukemia with an IDH1 Mutation – July 20, 2018
- FDA Accepts New Drug Application and Grants Priority Review for Ivosidenib in Relapsed or Refractory AML with an IDH1 Mutation – February 15, 2018
- Agios Submits New Drug Application to the FDA for Ivosidenib for the Treatment of Patients with Relapsed/Refractory AML and an IDH1 Mutation – December 26, 2017
Tibsovo (ivosidenib) FDA Approval History
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