At a median follow up of 17 months, the study met its primary endpoint of progression-free survival (PFS), resulting in a 37% reduction in the risk of disease progression or death in patients receiving KdD (HR=0.63; 95% CI: 0.464, 0.854; p=0.0014). Median PFS was not reached for the KdD arm versus 15.8 months for the Kd arm.
"This primary analysis of the CANDOR study adds to the body of evidence supporting the combination of KYPROLIS and DARZALEX, two powerful targeted agents for multiple myeloma," said
In addition to meeting the primary endpoint, the KdD combination demonstrated efficacy in key secondary endpoints, including overall response rate (ORR), minimal residual disease (MRD) negative-complete response at 12 months and overall survival (OS). The ORR was 84.3% versus 74.7% (p=0.0040), and the rate of complete response or better was 28.5% versus 10.4% for the KdD and Kd arms, respectively. The analysis found the MRD-negative complete response rate at 12 months was 12.5% for KdD versus 1.3% for Kd (p<0.0001), a nearly 10-times higher response rate versus Kd-treated patients. The median OS was not reached in either group (HR=0.75; 95% CI: 0.49, 1.13; p=0.08).
"With the increasing use of frontline lenalidomide based therapies, there is an emerging need for lenalidomide-sparing regimens at relapse," said
The safety of KdD was consistent with the known safety profiles of the individual agents. The most frequently reported (≥ 20% of subjects in either treatment arm [KdD, Kd]) treatment emergent adverse events included thrombocytopenia, anemia, diarrhea, hypertension upper respiratory tract infection, fatigue, and dyspnea. The incidence of treatment emergent grade 3 or higher, serious, and fatal adverse events was higher in the KdD arm compared to the Kd arm. The rate of treatment discontinuation due to AEs was similar in both arms.
Additional efficacy endpoints and key subgroup analyses will be presented at future meetings.
CANDOR, a randomized, open-label Phase 3 study of KYPROLIS, dexamethasone and DARZALEX (KdD) compared to KYPROLIS and dexamethasone (Kd), evaluated 466 relapsed or refractory multiple myeloma patients who have received one to three prior therapies. Patients were treated until disease progression. The primary endpoint was PFS, and the key secondary endpoints were overall response rate, minimal residual disease and overall survival. PFS was defined as time from randomization until disease progression or death from any cause.
In the first arm, patients received KYPROLIS twice weekly at 56 mg/m2 and dexamethasone in combination with DARZALEX. In the second arm (control), patients received KYPROLIS twice weekly at 56 mg/m2 and dexamethasone.
CANDOR was initiated as part of a collaboration with Janssen, and under the terms of the agreement, Janssen co-funded the study. For more information about this trial, please visit www.clinicaltrials.gov under trial identification number NCT03158688.
About Multiple Myeloma
Multiple myeloma is an incurable blood cancer, characterized by a recurring pattern of remission and relapse.1 It is a rare and life-threatening disease that accounts for approximately one percent of all cancers.2,3 Worldwide, approximately 160,000 people are diagnosed with multiple myeloma each year, and 106,000 patient deaths are reported on an annual basis.2
About KYPROLIS® (carfilzomib)
Proteasomes play an important role in cell function and growth by breaking down proteins that are damaged or no longer needed.4 KYPROLIS has been shown to block proteasomes, leading to an excessive build-up of proteins within cells.5 In some cells, KYPROLIS can cause cell death, especially in myeloma cells because they are more likely to contain a higher amount of abnormal proteins.4,5
Since its first approval in 2012, approximately 130,000 patients worldwide have received KYPROLIS. KYPROLIS is approved in the U.S. for the following:
KYPROLIS is also approved in Algeria,
Important U.S. KYPROLIS® (carfilzomib) Safety Information
Acute Renal Failure
Tumor Lysis Syndrome
Hepatic Toxicity and Hepatic Failure
Posterior Reversible Encephalopathy Syndrome (PRES)
Increased Fatal and Serious Toxicities in Combination with Melphalan and Prednisone in Newly Diagnosed Transplant-ineligible Patients
Please see full Prescribing Information at www.kyprolis.com.
About Amgen Oncology
Amgen Oncology is searching for and finding answers to incredibly complex questions that will advance care and improve lives for cancer patients and their families. Our research drives us to understand the disease in the context of the patient's life – not just their cancer journey – so they can take control of their lives.
For the last four decades, we have been dedicated to discovering the firsts that matter in oncology and to finding ways to reduce the burden of cancer. Building on our heritage,
For more information, follow us on www.twitter.com/amgenoncology.
Amgen is committed to unlocking the potential of biology for patients suffering from serious illnesses by discovering, developing, manufacturing and delivering innovative human therapeutics. This approach begins by using tools like advanced human genetics to unravel the complexities of disease and understand the fundamentals of human biology.
Amgen focuses on areas of high unmet medical need and leverages its expertise to strive for solutions that improve health outcomes and dramatically improve people's lives. A biotechnology pioneer since 1980, Amgen has grown to be one of the world's leading independent biotechnology companies, has reached millions of patients around the world and is developing a pipeline of medicines with breakaway potential.
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