IMFINZI® (durvalumab) plus transarterial chemoembolization (TACE) and bevacizumab reduced the risk of disease progression or death by 23% vs. TACE in liver cancer eligible for embolization
2024-01-19
临床结果免疫疗法临床3期ASCO会议上市批准
EMERALD-1 is first global Phase III trial to show improved clinical outcome for systemic therapy in combination with TACE in this setting
WILMINGTON, DE, USA I January 19, 2024 I Positive results from the EMERALD-1 Phase III trial showed AstraZeneca’s IMFINZI® (durvalumab) in combination with TACE and bevacizumab demonstrated a statistically significant and clinically meaningful improvement in the primary endpoint of progression-free survival (PFS) compared to TACE alone in patients with hepatocellular carcinoma (HCC) eligible for embolization.
These results will be presented today at the 2024 American Society of Clinical Oncology Gastrointestinal Cancers Symposium (ASCO GI) in San Francisco, California (#LBA432).
Approximately 20-30% of patients with HCC, the most common type of liver cancer, are eligible for embolization, a procedure that blocks the blood supply to the tumor and can also deliver chemotherapy or radiation therapy directly to the liver.1-8 Despite being the standard of care in this setting, most patients who receive embolization experience disease progression or recurrence within eight months.9-11
In EMERALD-1, treatment with IMFINZI plus TACE and bevacizumab reduced the risk of disease progression or death by 23% compared to TACE alone (based on a hazard ratio [HR] of 0.77; 95% confidence interval [CI] 0.61-0.98; p=0.032). Median PFS was 15 months in patients treated with the IMFINZI combination versus 8.2 months with TACE. The PFS benefit observed was generally consistent across key prespecified subgroups. The secondary endpoint of time to progression (TTP) further supports the clinical benefit of IMFINZI plus TACE and bevacizumab in this setting, with a median TTP of 22 months versus 10 months for TACE (HR 0.63; 95% CI 0.48-0.82).
The trial will continue as planned to assess the key secondary endpoint of overall survival (OS).
Bruno Sangro, MD, PhD, Director of the Liver Unit and Professor of Medicine at Clínica Universidad de Navarra, Pamplona, Spain and a lead investigator in the EMERALD-1 trial, said: “In this earlier liver cancer setting, embolization alone has been the standard of care for more than 20 years, and rates of disease progression have remained high. Adding durvalumab and bevacizumab to TACE reduced the risk of disease progression or death by twenty-three per cent for patients with liver cancer eligible for embolization, showing for the first time that combining a systemic treatment with TACE meaningfully improves this clinically relevant outcome in earlier-stage disease.”
Susan Galbraith, Executive Vice President, Oncology R&D, AstraZeneca, said: “With IMFINZI-based treatment, patients with liver cancer eligible for embolization lived nearly seven additional months before their disease progressed. We are discussing these positive EMERALD-1 data with global regulatory authorities while awaiting the final overall survival results from the trial.”
Summary of results: EMERALD-1i
The safety profile for IMFINZI plus TACE and bevacizumab was generally manageable and consistent with the known profile of each medicine. The number of TACE procedures was consistent across arms. No new safety signals were observed. Grade 3 and 4 adverse events due to any cause occurred in 45.5% of patients treated with IMFINZI plus TACE and bevacizumab and 23% of patients treated with TACE alone.
Indication:
IMFINZI in combination with IMJUDO is indicated for the treatment of adult patients with unresectable hepatocellular carcinoma (uHCC).
Notes
Liver cancer, of which HCC is the most common type, is the third-leading cause of cancer death, with an estimated 900,000 people worldwide diagnosed each year and a high prevalence in certain regions of Asia.12-14 An estimated 80-90% of all patients with HCC also have cirrhosis.15 Chronic liver diseases such as cirrhosis are associated with inflammation that over time can lead to the development of HCC.15 Immunotherapy is a proven treatment modality in HCC with approved options available for patients in later-line settings.16
EMERALD-1
EMERALD-1 is a randomized, double-blind, placebo-controlled, multicenter, global Phase III trial of IMFINZI plus TACE concurrently, followed by IMFINZI with or without bevacizumab until progression versus TACE alone in a total of 616 patients with unresectable HCC eligible for embolization.
The trial was conducted in 157 centers across 18 countries, including in North America, Australia, Europe, South America and Asia. The primary endpoint was PFS for IMFINZI plus TACE and bevacizumab versus TACE alone, and secondary endpoints include PFS for IMFINZI plus TACE, OS, patient-reported outcomes and ORR.
IMFINZI is approved in combination with chemotherapy (gemcitabine plus cisplatin) in locally advanced or metastatic biliary tract cancer (BTC) and in combination with IMJUDO® (tremelimumab-actl) in unresectable HCC in the US, EU, Japan, China and many other countries based on the TOPAZ-1 and HIMALAYA Phase III trials, respectively. Following HIMALAYA in the advanced setting, EMERALD-1 is AstraZeneca’s second positive Phase III trial in HCC.
In non-small cell lung cancer (NSCLC), IMFINZI is approved in combination with a short course of IMJUDO and chemotherapy for the treatment of metastatic NSCLC in the US, EU and Japan based on the POSEIDON Phase III trial. IMFINZI is also the only approved immunotherapy and the global standard of care in the curative-intent setting of unresectable, Stage III NSCLC in patients whose disease has not progressed after chemoradiation therapy based on the PACIFIC Phase III trial, the results of which have been confirmed in the real-world setting in the PACIFIC-R study. In 2023, AstraZeneca announced positive results from the AEGEAN Phase III trial evaluating IMFINZI in combination with neoadjuvant chemotherapy before surgery and as adjuvant monotherapy after surgery in resectable NSCLC.
IMFINZI is also approved in the US, EU, Japan, China and many other countries around the world for the treatment of extensive-stage small cell lung cancer (SCLC) based on the CASPIAN Phase III trial. IMFINZI is approved in previously treated patients with advanced bladder cancer in a small number of countries.
Since the first approval in May 2017, more than 200,000 patients have been treated with IMFINZI.
As part of a broad development program, IMFINZI is being tested as a single treatment and in combinations with other anti-cancer treatments for patients with SCLC, NSCLC, bladder cancer, several GI cancers, breast cancer and other solid tumors. In 2023, AstraZeneca announced positive results for several Phase III trials evaluating IMFINZI in various combinations, including in ovarian (DUO-O) and endometrial (DUO-E) cancers with olaparib.
In GI cancers specifically, AstraZeneca has an extensive clinical development program further assessing IMFINZI across multiple settings. In addition to EMERALD-1, IMFINZI is also being investigated in combination with bevacizumab in adjuvant HCC (EMERALD-2), in combination with IMJUDO, lenvatinib and TACE in embolization-eligible HCC (EMERALD-3), in resectable gastric and gastroesophageal junction cancers (MATTERHORN) and in locally advanced esophageal cancer (KUNLUN). In June 2023, IMFINZI added to standard-of-care neoadjuvant chemotherapy met a key secondary endpoint of pathologic complete response in the MATTERHORN Phase III trial.
AstraZeneca in GI cancers
AstraZeneca has a broad development program for the treatment of GI cancers across several medicines and a variety of tumor types and stages of disease. In 2020, GI cancers collectively represented approximately 5.1 million new cancer cases leading to approximately 3.6 million deaths.17
Within this program, the Company is committed to improving outcomes in gastric, liver, biliary tract, esophageal, pancreatic and colorectal cancers.
In addition to its indications in BTC and with IMJUDO in HCC, IMFINZI is being assessed in combinations, including with IMJUDO, in liver, esophageal and gastric cancers in an extensive development program spanning early to late-stage disease across settings.
Fam-trastuzumab deruxtecan-nxki, a HER2-directed antibody drug conjugate, is approved in the US and several other countries for HER2-positive advanced gastric cancer and is being assessed in colorectal cancer. Fam-trastuzumab deruxtecan-nxki is jointly developed and commercialized by AstraZeneca and Daiichi Sankyo.
Olaparib, a first-in-class PARP inhibitor, is approved in the US and several other countries for the treatment of BRCA-mutated metastatic pancreatic cancer. Olaparib is developed and commercialized in collaboration with Merck & Co., Inc., known as MSD outside the US and Canada.
AstraZeneca is advancing multiple modalities that provide complementary mechanisms for targeting Claudin 18.2, a promising therapeutic target in gastric cancer. These include AZD0901, a potential first-in-class antibody drug conjugate licensed from KYM Biosciences Inc., currently in Phase II development, AZD5863, a novel Claudin 18.2/CD3 T-cell engager bispecific antibody, licensed from Harbour Biomed, that is in Phase I development, and AZD6422, an armored autologous chimeric antigen receptor T-cell (CAR-T) therapy, currently being evaluated in an Investigator Initiated Trial (IIT) in collaboration with AbelZeta in China.
AstraZeneca in immuno-oncology (IO)
AstraZeneca is a pioneer in introducing the concept of immunotherapy into dedicated clinical areas of high unmet medical need. The Company has a comprehensive and diverse IO portfolio and pipeline anchored in immunotherapies designed to overcome evasion of the anti-tumor immune response and stimulate the body’s immune system to attack tumors.
AstraZeneca aims to reimagine cancer care and help transform outcomes for patients with IMFINZI as a single treatment and in combination with IMJUDO as well as other novel immunotherapies and modalities. The Company is also exploring next-generation immunotherapies like bispecific antibodies and therapeutics that harness different aspects of immunity to target cancer.
AstraZeneca is boldly pursuing an innovative clinical strategy to bring IO-based therapies that deliver long-term survival to new settings across a wide range of cancer types. With an extensive clinical program, the Company also champions the use of IO treatment in earlier disease stages, where there is the greatest potential for cure.
AstraZeneca in oncology
AstraZeneca is leading a revolution in oncology with the ambition to provide cures for cancer in every form, following the science to understand cancer and all its complexities to discover, develop and deliver life-changing medicines to patients.
The Company's focus is on some of the most challenging cancers. It is through persistent innovation that AstraZeneca has built one of the most diverse portfolios and pipelines in the industry, with the potential to catalyze changes in the practice of medicine and transform the patient experience.
AstraZeneca has the vision to redefine cancer care and, one day, eliminate cancer as a cause of death.
About AstraZeneca
AstraZeneca is a global, science-led biopharmaceutical company that focuses on the discovery, development and commercialization of prescription medicines in Oncology, Rare Diseases and BioPharmaceuticals, including Cardiovascular, Renal & Metabolism, and Respiratory & Immunology. Based in Cambridge, UK, AstraZeneca operates in over 100 countries and its innovative medicines are used by millions of patients worldwide. Please visit www.astrazeneca-us.com and follow us on social media @AstraZeneca.
References
SOURCE: AstraZeneca
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