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Positive CHMP opinion for darolutamide in combination with docetaxel for the treatment of metastatic hormone-sensitive prostate cancer

ORION CORPORATION
PRESS RELEASE
27 January 2023 at 14:00 EET              
        
Positive CHMP opinion for darolutamide in combination with docetaxel for the treatment of metastatic hormone-sensitive prostate cancer

  • CHMP recommendation is based on the data from the Phase III ARASENS trial, which demonstrated that darolutamide plus androgen deprivation therapy (ADT) in combination with docetaxel significantly reduced the risk of death by 32.5% compared to ADT with docetaxel alone, with similar overall rates of adverse events (AEs) between study arms
  • European Commission decision on granting a marketing authorisation is anticipated within the coming months

The Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) has recommended darolutamide, an oral androgen receptor inhibitor (ARi), plus ADT in combination with docetaxel for marketing authorisation in the European Union (EU) for the treatment of patients with metastatic hormone-sensitive prostate cancer (mHSPC). Darolutamide is already approved 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. The final decision from the European Commission on the marketing authorisation is expected in the coming months.

Darolutamide is already approved in its second indication, mHSPC, in a number of markets including the U.S. Filings in other regions are underway or planned by Orion’s collaboration partner Bayer. Darolutamide is being investigated in a broad development program with additional three ongoing or planned large clinical studies, to investigate its potential across prostate cancer patients from the early- to the late-stage of this disease. This includes the ARANOTE Phase III trial evaluating darolutamide plus androgen deprivation therapy (ADT) versus ADT alone for mHSPC.

Prostate cancer is the most commonly diagnosed cancer in men in almost all northern and western European countries.1 Only 30% of men with mHSPC will survive five years or more after diagnosis.2 Most men with mHSPC eventually progress to metastatic castration-resistant prostate cancer (mCRPC), a condition with limited long-term survival.3, 4

Darolutamide is developed jointly by Orion and Bayer. Bayer is responsible for global commercialisation, with co-promotion from Bayer and Orion in certain European markets, e.g. France, Germany, Italy, Spain, the UK, Scandinavia and Finland.

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. Results from this trial were published in the New England Journal of Medicine.5 The ARASENS trial demonstrated that darolutamide plus androgen deprivation therapy (ADT) and docetaxel significantly reduced the risk of death by 32.5% compared to ADT plus docetaxel.5 Improvements in the secondary endpoints supported the benefit observed in the primary endpoint, overall survival.5

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.6

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 metastasise or spread, or if the disease is newly diagnosed, but has already spread, the disease is hormone-sensitive and 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.

About darolutamide

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. This is supported by the overall low incidence of central nervous system (CNS)-related adverse events (AEs) compared to placebo as seen in the ARAMIS Phase III trial7 and the maintained verbal learning and memory observed in the darolutamide arm of the Phase II ODENZA trial.8

The product is approved under the brand name Nubeqa® in more than 75 countries around the world, including the U.S., EU, Japan and China, for the treatment of patients with non-metastatic castration-resistant prostate cancer (nmCRPC), who are at high risk of developing metastatic disease. It is also approved for the treatment of patients with metastatic hormone-sensitive prostate cancer (mHSPC) in a number of markets including the U.S. Filings in other regions are underway or planned by Bayer. 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 (mHSPC), as well as the Australian and New Zealand Urogenital and Prostate Cancer Trials Group (ANZUP) led international Phase III co-operative group DASL-HiCaP (ANZUP1801) trial evaluating darolutamide as an adjuvant treatment for localised prostate cancer with very high risk of recurrence. Information about these trials can be found at www.clinicaltrials.gov. In addition, a study to explore the potential of darolutamide in the early setting for patients who have experienced a rise in their prostate specific antigen (PSA) levels following surgery or radiation, is also planned.

                                                

Contact person:
Tuukka Hirvonen, Investor Relations
Orion Corporation
tel. +358 10 426 2721
e-mail: tuukka.hirvonen@orion.fi

Reference

  1. The Cancer Atlas: Europe. 2018. https://canceratlas.cancer.org/the-burden/europe/. Accessed December 2022.
  2. Ng, K., Smith, S., Shamash, J. Metastatic Hormone-Sensitive Prostate Cancer (mHSPC): Advances and Treatment Strategies in the First-Line Setting. Oncol Ther 8, 209–230 (2020). https://doi.org/10.1007/s40487-020-00119-z.
  3. Siegel DA, O’Neil ME, Richards TB, Dowling NF, Weir HK. Prostate Cancer Incidence and Survival, by Stage and Race/Ethnicity — United States, 2001–2017. MMWR Morb Mortal Wkly Rep 2020;69:1473–1480. http://dx.doi.org/10.15585/mmwr.mm6941a1.
  4. Hahn AW, Higano CS, Taplin ME, Ryan CJ, Agarwal N. Metastatic Castration-Sensitive Prostate Cancer: Optimizing Patient Selection and Treatment. Am Soc Clin Oncol Educ Book. 2018 May 23;38:363-371. https://doi.org/10.1200/edbk_200967
  5. Smith MR, Hussain M, Saad F, et al. Darolutamide and survival in metastatic, hormone-sensitive prostate cancer. N Engl J Med 386:1132-1142 (2022).
  6. 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 December 2022.
  7. Fizazi, K et al. N Engl J Med. 2019; 380:1235–1246.
  8. Colomba E. et al. J Clin Onc 2021; 39 (15_suppl): 5046-5046.

                                                    

Publisher:
Orion Corporation
Communications
Orionintie 1A, FI-02200 Espoo, Finland
www.orion.fi

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 oncology and pain. 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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