ODM 201, BAY 1841788; ODM-201
Chemical Formula: C19H19ClN6O2
Exact Mass: 398.1258
SYNTHESIS SEE BELOW
Phase III Prostate cancer
- 12 Feb 2016 Bayer plans a phase I trial in healthy volunteers in Germany (NCT02671097)
- 01 Nov 2015 Orion Corporation completes a phase II trial in Prostate cancer (late-stage disease, second-line or greater) in USA, Czech Republic, Estonia, France, Finland and United Kingdom (NCT01429064)
- 16 Oct 2015 Phase-III clinical trials in Prostate cancer (Second-line therapy or greater) in Australia, Belarus, Canada, South Africa, South Korea, Russia, Spain, Taiwan and Ukraine (PO)
- Originator Orion
- Developer Bayer HealthCare; Orion
- Class Antineoplastics
- Mechanism of Action Androgen receptor antagonists
ODM-201 (also known as BAY-1841788) is a non-steroidal antiandrogen, specifically, a full and high-affinity antagonist of the androgen receptor (AR), that is under development by Orion and Bayer HealthCare for the treatment of advanced, castration-resistant prostate cancer (CRPC).
Relative to enzalutamide (MDV3100 or Xtandi) and apalutamide (ARN-509), two other recent non-steroidal antiandrogens, ODM-201 shows some advantages. ODM-201 appears to negligibly cross the blood-brain-barrier. This is beneficial due to the reduced risk of seizures and other central side effects from off-target GABAA receptor inhibition that tends to occur in non-steroidal antiandrogens that are structurally similar to enzalutamide. Moreover, in accordance with its lack of central penetration, ODM-201 does not seem to increase testosterone levels in mice or humans, unlike other non-steroidal antiandrogens. Another advantage is that ODM-201 has been found to block the activity of all tested/well-known mutant ARs in prostate cancer, including the recently-identified clinically-relevant F876L mutation that produces resistance to enzalutamide and ARN-509. Finally, ODM-201 shows higher affinity and inhibitory efficacy at the AR (Ki = 11 nM relative to 86 nM for enzalutamide and 93 nM for ARN-509; IC50 = 26 nM relative to 219 nM for enzalutamide and 200 nM for ARN-509) and greater potency/efficaciousness in non-clinical models of prostate cancer.
ODM-201 has been studied in phase I and phase II clinical trials and has thus far been found to be effective and well-tolerated, with the most commonly reported side effects including fatigue, nausea, and diarrhea. No seizures have been observed. As of July 2015, ODM-201 is in phase III trials for CRPC.
ODM-201 is a new-generation, potent and selective androgen receptor (AR) inhibitor which is potential useful for treatment of castration-resistant prostate cancer (CRPC). ODM-201 is a full and high-affinity AR antagonist that, similar to second-generation antiandrogens enzalutamide and ARN-509, inhibits testosterone-induced nuclear translocation of AR. Importantly, ODM-201 also blocks the activity of the tested mutant ARs arising in response to antiandrogen therapies, including the F876L mutation that confers resistance to enzalutamide and ARN-509. In addition, ODM-201 reduces the growth of AR-overexpressing VCaP prostate cancer cells both in vitro and in a castration-resistant VCaP xenograft model. ODM-201 overcomes resistance to AR-targeted therapies by antagonizing both overexpressed and mutated ARs. ODM-201 is currently in a phase 3 trial in CRPC
Figure 1: The structures of ODM-201 (A) and its main metabolite ORM-15341 (B).
WHIPPANY, N.J., Sept. 16, 2014 /PRNewswire/ — Bayer HealthCare and Orion Corporation, a pharmaceutical company based in Espoo, Finland, have begun to enroll patients in a Phase III trial with ODM-201, an investigational oral androgen receptor inhibitor in clinical development. The study, called ARAMIS, evaluates ODM-201 in men with castration-resistant prostate cancer who have rising Prostate Specific Antigen (PSA) levels and no detectable metastases. The trial is designed to determine the effects of the treatment on metastasis-free survival (MFS).
“The field of treatment options for prostate cancer patients is evolving rapidly. However, once prostate cancer becomes resistant to conventional anti-hormonal therapy, many patients will eventually develop metastatic disease,” said Dr. Joerg Moeller, Member of the Bayer HealthCare Executive Committee and Head of Global Development. “The initiation of a Phase III clinical trial for ODM-201 marks the starting point for a potential new treatment option for patients whose cancer has not yet spread. This is an important milestone for Bayer in our ongoing effort to meet the unmet needs of men affected by prostate cancer.”
Earlier this year, Bayer and Orion entered into a global agreement under which the companies will jointly develop ODM-201, with Bayer contributing a major share of the costs of future development. Bayer will commercialize ODM-201 globally, and Orion has the option to co-promote ODM-201 in Europe. Orion will be responsible for the manufacturing of the product.
About the ARAMIS Study
The ARAMIS trial is a randomized, Phase III, multicenter, double-blind, placebo-controlled trial evaluating the safety and efficacy of oral ODM-201 in patients with non-metastatic CRPC who are at high risk for developing metastatic disease. About 1,500 patients are planned to be randomized in a 2:1 ratio to receive 600 mg of ODM-201 twice a day or matching placebo. Randomisation will be stratified by PSA doubling time (PSADT less than or equal to 6 months vs. > 6 months) and use of osteoclast-targeted therapy (yes vs. no).
The primary endpoint of this study is metastasis-free survival (MFS), defined as time between randomization and evidence of metastasis or death from any cause. The secondary objectives of this study are overall survival (OS), time to first symptomatic skeletal event (SSE), time to initiation of first cytotoxic chemotherapy, time to pain progression, and characterization of the safety and tolerability of ODM-201.
ODM-201 is an investigational androgen receptor (AR) inhibitor that is thought to block the growth of prostate cancer cells. ODM-201 binds to the AR and inhibits receptor function by blocking its cellular function.
About Oncology at Bayer
Bayer is committed to science for a better life by advancing a portfolio of innovative treatments. The oncology franchise at Bayer now includes three oncology products and several other compounds in various stages of clinical development. Together, these products reflect the company’s approach to research, which prioritizes targets and pathways with the potential to impact the way that cancer is treated.
About Bayer HealthCare Pharmaceuticals Inc.
Bayer HealthCare Pharmaceuticals Inc. is the U.S.-based pharmaceuticals business of Bayer HealthCare LLC, a subsidiary of Bayer AG. Bayer HealthCare is one of the world’s leading, innovative companies in the healthcare and medical products industry, and combines the activities of the Animal Health, Consumer Care, Medical Care, and Pharmaceuticals divisions. As a specialty pharmaceutical company, Bayer HealthCare provides products for General Medicine, Hematology, Neurology, Oncology and Women’s Healthcare. The company’s aim is to discover and manufacture products that will improve human health worldwide by diagnosing, preventing and treating diseases.
Bayer® and the Bayer Cross® are registered trademarks of Bayer.
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5: Moilanen AM, Riikonen R, Oksala R, Ravanti L, Aho E, Wohlfahrt G, Nykänen PS, Törmäkangas OP, Palvimo JJ, Kallio PJ. Discovery of ODM-201, a new-generation androgen receptor inhibitor targeting resistance mechanisms to androgen signaling-directed prostate cancer therapies. Sci Rep. 2015 Jul 3;5:12007. doi: 10.1038/srep12007. PubMed PMID: 26137992; PubMed Central PMCID: PMC4490394.
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10: ODM-201 is safe and active in metastatic castration-resistant prostate cancer. Cancer Discov. 2014 Sep;4(9):OF10. doi: 10.1158/2159-8290.CD-RW2014-150. Epub 2014 Jul 9. PubMed PMID: 25185192.
11: Fizazi K, Massard C, Bono P, Jones R, Kataja V, James N, Garcia JA, Protheroe A, Tammela TL, Elliott T, Mattila L, Aspegren J, Vuorela A, Langmuir P, Mustonen M; ARADES study group. Activity and safety of ODM-201 in patients with progressive metastatic castration-resistant prostate cancer (ARADES): an open-label phase 1 dose-escalation and randomised phase 2 dose expansion trial. Lancet Oncol. 2014 Aug;15(9):975-85. doi: 10.1016/S1470-2045(14)70240-2. Epub 2014 Jun 25. PubMed PMID: 24974051.
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|Systematic (IUPAC) name|
|Molar mass||398.85 g·mol−1|