3 May 2022 at 15.00 EEST
U.S. FDA accepts supplemental new drug application (sNDA) and grants priority review for additional indication of darolutamide
Orion’s collaboration partner Bayer today announced the U.S. Food and Drug Administration (FDA) has accepted a supplemental New Drug Application (sNDA) and granted Priority Review for the oral androgen receptor inhibitor (ARi) darolutamide in combination with docetaxel for the treatment of metastatic hormone-sensitive prostate cancer (mHSPC).
The application is being conducted under the FDA Oncology Center of Excellence’s (OCE) Project Orbis initiative, which provides a framework for concurrent submission and review of cancer treatments among participating international health authorities.
The sNDA is based on positive results from the pivotal Phase III ARASENS trial demonstrating a statistically significant improvement in overall survival (OS) for darolutamide plus androgen deprivation therapy (ADT) and docetaxel in men with mHSPC compared to ADT plus docetaxel, which were published in The New England Journal of Medicine. Darolutamide is already approved in more than 60 markets around the world, including the U.S., the European Union (EU), Japan and China, under the brand name Nubeqa®, for the treatment of patients with non-metastatic castration-resistant prostate cancer (nmCRPC), who are at high risk of developing metastatic disease.
Darolutamide is developed jointly by Orion and Bayer. Bayer recently submitted applications for additional indication of darolutamide to the European Medicines Agency (EMA), the Ministry of Health, Labor and Welfare (MHLW) in Japan, and China’s Center of Drug Evaluation (CDE). Additional submissions in mHSPC are planned globally by Bayer.
About the ARASENS Trial
The ARASENS trial is a randomized, Phase III, multi-center, double-blind, placebo-controlled trial which was prospectively designed to investigate the efficacy and safety of oral darolutamide, an androgen receptor inhibitor (ARi), plus androgen deprivation therapy (ADT) and the chemotherapy docetaxel in patients with metastatic hormone-sensitive prostate cancer (mHSPC). A total of 1,306 newly diagnosed patients were randomized in a 1:1 ratio to receive 600 mg of darolutamide twice a day or matching placebo, plus ADT and docetaxel.
The primary endpoint of this trial was overall survival (OS). Secondary endpoints included time to castration-resistant prostate cancer (CRPC), time to pain progression, time to first symptomatic skeletal event (SSE), time to initiation of subsequent anticancer therapy, all measured at 12‐week intervals, as well as adverse events (AEs) as a measure of safety and tolerability.
About Metastatic Hormone-Sensitive Prostate Cancer
Prostate cancer is the second most commonly diagnosed malignancy in men worldwide. In 2020, an estimated 1.4 million men were diagnosed with prostate cancer, and about 375,000 died from the disease worldwide.1
At the time of diagnosis, most men have localized prostate cancer, meaning their cancer is confined to the prostate gland and can be treated with curative surgery or radiotherapy. Upon relapse, when the disease will metastasize or spread, androgen deprivation therapy (ADT) is the cornerstone of treatment for this hormone-sensitive disease. Current treatment options for men with metastatic hormone-sensitive prostate cancer (mHSPC) include hormone therapy, such as ADT, androgen receptor pathway inhibitors plus ADT or a combination of docetaxel chemotherapy and ADT. Despite these treatments, a large proportion of men with mHSPC will eventually experience progression to metastatic castration-resistant prostate cancer (mCRPC), a condition with limited survival.
Darolutamide is an oral androgen receptor inhibitor (ARi) with a distinct chemical structure that binds to the receptor with high affinity and exhibits strong antagonistic activity, thereby inhibiting the receptor function and the growth of prostate cancer cells. The low potential for blood-brain barrier penetration for darolutamide is supported by preclinical models and neuroimaging data in healthy humans. A low blood-brain barrier penetration would explain the overall low incidence of central nervous system (CNS)-related adverse events (AEs) compared to placebo as seen in the ARAMIS Phase III trial and the improved verbal learning and memory observed in the darolutamide arm of the Phase II ODENZA trial.
The product is approved under the brand name Nubeqa® in more than 60 markets around the world, including the U.S., EU, Japan, China, for the treatment of patients with non-metastatic castration-resistant prostate cancer (nmCRPC), who are at high risk of developing metastatic disease. The compound is also being investigated in further studies across various stages of prostate cancer, including in the ARANOTE Phase III trial evaluating darolutamide plus androgen deprivation therapy (ADT) versus ADT alone for metastatic hormone-sensitive prostate cancer as well as the Australian and New Zealand Urogenital and Prostate Cancer Trials Group (ANZUP)-led international co-operative group Phase III trial, evaluating darolutamide as an adjuvant treatment for localized prostate cancer with very high risk of recurrence (DASL-HiCaP, ANZUP1801). Information about these trials can be found at www.clinicaltrials.gov.
Tuukka Hirvonen, Investor Relations, Orion Corporation
tel. +358 10 426 2721
- Global Cancer Statistics 2020: GLOBOCAN Estimates of Incidence and Mortality Worldwide for 36 Cancers in 185 Countries. CA: A Cancer Journal for Clinicians. https://acsjournals.onlinelibrary.wiley.com/doi/epdf/10.3322/caac.21660. Accessed March 2022.
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Orion is a globally operating Finnish pharmaceutical company – a builder of well-being. Orion develops, manufactures and markets human and veterinary pharmaceuticals and active pharmaceutical ingredients. The company is continuously developing new drugs and treatment methods. The core therapy areas of Orion’s pharmaceutical R&D are neurological disorders, oncology and respiratory diseases for which Orion develops inhaled pulmonary medication. Orion’s net sales in 2021 amounted to EUR 1,041 million and the company had about 3,350 employees at the end of the year. Orion’s A and B shares are listed on Nasdaq Helsinki.
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