FDA Approves New KYPROLIS® (carfilzomib) Combination Regimen With DARZALEX® (daratumumab) And Dexamethasone In Both Once- And Twice-Weekly Dosing Regimens

Approval Based on the CANDOR and EQUULEUS Studies in Patients With Relapsed/Refractory Multiple Myeloma

THOUSAND OAKS, CA, USA I August 20, 2020 I Amgen (NASDAQ:AMGN) today announced the U.S. Food and Drug Administration (FDA) has approved the expansion of the KYPROLIS® (carfilzomib) U.S. prescribing information to include its use in combination with DARZALEX® (daratumumab) plus dexamethasone (DKd) in two dosing regimens — once weekly and twice weekly — for the treatment of patients with relapsed or refractory multiple myeloma (R/R MM) who have received one to three previous lines of therapy.

"This expanded approval for KYPROLIS demonstrates a leap forward in the treatment paradigm for this complex disease by combining two potent agents in their respective drug classes indicated for patients with relapsed or refractory multiple myeloma," said David M. Reese, M.D., executive vice president of Research and Development at Amgen.

Multiple myeloma is a blood cancer characterized by patterns of remission and relapse. Patient outcomes worsen with each relapse.1 With the increasing use of frontline immunomodulatory drug based (IMiD) therapies through progression, the number of patients treated with these agents who will progress is likely to increase with time. This creates an emerging need for efficacious lMiD-free regimens upon relapse.2 

"Now, we can provide healthcare professionals and patients with an efficacious regimen with two dosing options at a critical time in a patient's treatment journey: first relapse," Reese continued.

"The DKd regimen provides an important potent triplet option in the setting of relapse following IMiD combination frontline therapy," said Brian G.M. Durie, M.D., chairman, International Myeloma Foundation.

The Phase 3 CANDOR trial was the first Phase 3 randomized trial to compare DKd versus KYPROLIS and dexamethasone (Kd) alone in R/R MM patients. The study met its primary endpoint and resulted in a 37% reduction in the risk of disease progression or death in patients receiving DKd (HR=0.63; 95% CI: 0.464, 0.854; p-value [1-sided]=0.0014) compared to Kd alone.

"Despite ongoing advances in the treatment of multiple myeloma, the disease remains incurable and is especially challenging for patients who relapse or become refractory to established therapies," said Saad Z. Usmani, M.D., director of clinical research in hematologic malignancies; director of plasma cell disorders; clinical professor of medicine, Atrium Health's Levine Cancer Institute. "As a clinician, having the DKd regimen as an option means we can now combine two efficacious, targeted agents in a new, immunomodulatory drug-free triplet regimen that has demonstrated deep and durable responses for patients upon relapse."

In CANDOR, the safety of DKd was generally consistent with the known safety profiles of the individual agents. The most frequently reported (≥ 20% of subjects in either treatment arm [DKd, Kd]) treatment-emergent adverse events (AEs) included infusion-related reactions, anemia, diarrhea, fatigue, hypertension, pyrexia, upper respiratory tract infection, thrombocytopenia, neutropenia, lymphopenia, cough, dyspnea, and insomnia, headache and back pain. The incidence of treatment-emergent Grade 3 or higher, serious and fatal AEs was higher in the DKd arm compared to the Kd arm. The most common reason for fatal treatment-emergent AEs in both arms was infection. The rate of treatment discontinuation due to AEs was similar in both arms.

The expansion of KYPROLIS's prescribing information to include once-weekly dosing of KYPROLIS within the DKd regimen was supported by the open-label, multi-cohort Phase 1b EQUULEUS trial, in which the safety and efficacy of DKd was assessed among R/R MM patients using a once-weekly dosing regimen for KYPROLIS.

Amgen has submitted marketing applications globally.

DARZALEX® is a registered trademark of Janssen Pharmaceutica NV.

About CANDOR
CANDOR, a randomized, open-label Phase 3 study of KYPROLIS, DARZALEX and dexamethasone (DKd) compared to KYPROLIS and dexamethasone (Kd), has 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 progression-free survival (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/mand 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 EQUULEUS
EQUULEUS was an open label, Phase 1b, multi-cohort trial which evaluated the combination of KYPROLIS with intravenous DARZALEX and dexamethasone in 85 patients with relapsed or refractory multiple myeloma who had received one to three prior lines of therapy. 

KYPROLIS was evaluated at a starting dose of 20 mg/m2, which was increased to 70 mg/m2 on Cycle 1, Day 8 and onward.

The most frequently reported all-grade, treatment-emergent AEs (occurring in 20% or more of patients) were thrombocytopenia, respiratory tract infection, anemia, nausea, fatigue, vomiting, diarrhea, pyrexia, neutropenia, lymphopenia, infusion related reactions, dyspnea, cough, insomnia, hypertension, headache and back pain.

At a median follow-up of 16.6 months, the overall response rate was 81% in all treated patients: 21% achieved a stringent complete response, 14% a complete response, 33% a very good partial response and 13% a partial response.

About Multiple Myeloma
Multiple myeloma is an incurable blood cancer, characterized by a recurring pattern of remission and relapse.3 It is a rare and life-threatening disease that accounts for approximately one percent of all cancers.4,5 Worldwide, approximately 160,000 people are diagnosed with multiple myeloma each year, and 106,000 patient deaths are reported on an annual basis.4

About KYPROLIS® (carfilzomib)
Proteasomes play an important role in cell function and growth by breaking down proteins that are damaged or no longer needed.6 KYPROLIS has been shown to block proteasomes, leading to an excessive build-up of proteins within cells.7 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.6,7

Since its first approval in 2012, approximately 150,000 patients worldwide have received KYPROLIS.8 KYPROLIS is approved in the U.S. for the following:

  • for the treatment of patients with relapsed or refractory multiple myeloma who have received one to three lines of therapy in combination with
    • Lenalidomide and dexamethasone; or
    • Dexamethasone; or
    • Daratumumab and dexamethasone.
  • as a single agent for the treatment of patients with relapsed or refractory multiple myeloma who have received one or more lines of therapy.

KYPROLIS is also approved in Algeria, Argentina, Australia, Bahrain, Belarus, Brazil, Canada, Chile, Colombia, Ecuador, Egypt, European Union, Hong Kong, India, Israel, Japan, Jordan, Kazakhstan, Kuwait, Lebanon, Macao, Malaysia, Mexico, Morocco, New Zealand, Oman, Peru, Philippines, Qatar, Russia, Saudi Arabia, Serbia, Singapore, S. Africa, S. Korea, Switzerland, Taiwan, Thailand, Turkey and United Arab Emirates.

INDICATIONS

  • KYPROLIS® (carfilzomib) is indicated in combination with dexamethasone or with lenalidomide plus dexamethasone or with daratumumab and dexamethasone for the treatment of adult patients with relapsed or refractory multiple myeloma who have received one to three lines of therapy.
  • KYPROLIS® is indicated as a single agent for the treatment of adult patients with relapsed or refractory multiple myeloma who have received one or more lines of therapy.

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, Amgen continues to advance the largest pipeline in the Company's history, moving with great speed to advance those innovations for the patients who need them.

At Amgen, we are driven by our commitment to transform the lives of cancer patients and keep them at the center of everything we do. 

For more information, follow us on www.twitter.com/amgenoncology.

About Amgen
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.

For more information, visit www.amgen.com and follow us on www.twitter.com/amgen.

References:

  1. Jakubowiak A. Management strategies for relapsed/refractory multiple myeloma: current clinical perspectives. Semin Hematol. 2012 Jul; 49 Suppl 1: S16-S32.
  2. Moreau P., et al. Treatment of patients with multiple myeloma progressing on frontline-therapy with lenalidomide. Blood Cancer J. (2019)9:38. https://doi.org/10.1038/s41408-019-0200-1
  3. Kumar S., et al. NCCN Guidelines Insights: Multiple Myeloma. The Journal of the National Comprehensive Cancer Network. Jan 2018; Volume 16: Issue 1. https://doi.org/10.6004/jnccn.2018.0002.
  4. Jakubowiak A. Management strategies for relapsed/refractory multiple myeloma: current clinical perspectives. Semin Hematol. 2012 Jul; 49 Suppl 1: S16-S32.
  5. GLOBOCAN 2018. Multiple Myeloma. Available at: http://gco.iarc.fr/today/data/factsheets/cancers/35-Multiple-myeloma-fact-sheet.pdf. Accessed November 15, 2019.
  6. Moreau P, Richardson PG, Cavo M, et al. Proteasome inhibitors in multiple myeloma: 10 years later. Blood. 2012 Aug 2;120(5):947-59.
  7. Kortuem KM and Stewart AK. Carfilzomib. Blood. 2013 Feb 7;121(6):893-7.
  8. Amgen Data on File.

SOURCE: Amgen

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