A Phase II Study Evaluating the Efficacy of Enzalutamide and the Role of ARv7 in Metastatic Castration Resistant Prostate Cancer (mCRPC) Patients With Visceral Disease.

Summary

Open label, single arm, phase II multicentre study designed to determine the clinical benefit, as measured by 3-months disease control rate (DCR) provided by enzalutamide in metastatic Castration Resistant Prostate Cancer patients with at least one visceral site involvement.

Timeline

Start

2017-03-16

Primary completion

2021-04-23

Completion

2021-04-23

Outcome

Met primary endpoint

paper The study met its primary endpoint, showing the efficacy of enzalutamide in men with mCRPC and measurable metastatic lesions in visceral and/or lymph node sites. PMID 38264520 ↗

Publications

• Background Astellas Pharma Ltd. Xtandi (enzalutamide) 40mg soft capsules. Summary of Product Characteristics. 26 June 2013.
• Results Ahmed M, Li LC. Adaptation and clonal selection models of castration-resistant prostate cancer: current perspective. Int J Urol. 2013 Apr;20(4):362-71. doi: 10.1111/iju.12005. Epub 2012 Nov 19.
• Results Antonarakis ES, Lu C, Wang H, Luber B, Nakazawa M, Roeser JC, Chen Y, Mohammad TA, Chen Y, Fedor HL, Lotan TL, Zheng Q, De Marzo AM, Isaacs JT, Isaacs WB, Nadal R, Paller CJ, Denmeade SR, Carducci MA, Eisenberger MA, Luo J. AR-V7 and resistance to enzalutamide and abiraterone in prostate cancer. N Engl J Med. 2014 Sep 11;371(11):1028-38. doi: 10.1056/NEJMoa1315815. Epub 2014 Sep 3.
• Results Arlen PM, Bianco F, Dahut WL, D'Amico A, Figg WD, Freedland SJ, Gulley JL, Kantoff PW, Kattan MW, Lee A, Regan MM, Sartor O; Prostate Specific Antigen Working Group. Prostate Specific Antigen Working Group guidelines on prostate specific antigen doubling time. J Urol. 2008 Jun;179(6):2181-5; discussion 2185-6. doi: 10.1016/j.juro.2008.01.099. Epub 2008 Apr 18.
• Results Beer TM, Tombal B. Enzalutamide in metastatic prostate cancer before chemotherapy. N Engl J Med. 2014 Oct 30;371(18):1755-6. doi: 10.1056/NEJMc1410239. No abstract available.
• Results Eisenhauer EA, Therasse P, Bogaerts J, Schwartz LH, Sargent D, Ford R, Dancey J, Arbuck S, Gwyther S, Mooney M, Rubinstein L, Shankar L, Dodd L, Kaplan R, Lacombe D, Verweij J. New response evaluation criteria in solid tumours: revised RECIST guideline (version 1.1). Eur J Cancer. 2009 Jan;45(2):228-47. doi: 10.1016/j.ejca.2008.10.026.
• Results Ferlay J, Parkin DM, Steliarova-Foucher E. Estimates of cancer incidence and mortality in Europe in 2008. Eur J Cancer. 2010 Mar;46(4):765-81. doi: 10.1016/j.ejca.2009.12.014. Epub 2010 Jan 29.
• Results Fitzpatrick JM, de Wit R. Taxane mechanisms of action: potential implications for treatment sequencing in metastatic castration-resistant prostate cancer. Eur Urol. 2014 Jun;65(6):1198-204. doi: 10.1016/j.eururo.2013.07.022. Epub 2013 Jul 25.
• Results Heidenreich A, Bastian PJ, Bellmunt J, Bolla M, Joniau S, van der Kwast T, Mason M, Matveev V, Wiegel T, Zattoni F, Mottet N; European Association of Urology. EAU guidelines on prostate cancer. Part II: Treatment of advanced, relapsing, and castration-resistant prostate cancer. Eur Urol. 2014 Feb;65(2):467-79. doi: 10.1016/j.eururo.2013.11.002. Epub 2013 Nov 12.
• Results Horwich A, Parker C, de Reijke T, Kataja V; ESMO Guidelines Working Group. Prostate cancer: ESMO Clinical Practice Guidelines for diagnosis, treatment and follow-up. Ann Oncol. 2013 Oct;24 Suppl 6:vi106-14. doi: 10.1093/annonc/mdt208. Epub 2013 Jun 27. No abstract available.
• Results Huggins C, Hodges CV. Studies on prostatic cancer. I. The effect of castration, of estrogen and of androgen injection on serum phosphatases in metastatic carcinoma of the prostate. 1941. J Urol. 2002 Feb;167(2 Pt 2):948-51; discussion 952. No abstract available.
• Results Kuczynski EA, Sargent DJ, Grothey A, Kerbel RS. Drug rechallenge and treatment beyond progression--implications for drug resistance. Nat Rev Clin Oncol. 2013 Oct;10(10):571-87. doi: 10.1038/nrclinonc.2013.158. Epub 2013 Sep 3.
• Results Merseburger AS, Bellmunt J, Jenkins C, Parker C, Fitzpatrick JM; European Treatment Practices Group. Perspectives on treatment of metastatic castration-resistant prostate cancer. Oncologist. 2013;18(5):558-67. doi: 10.1634/theoncologist.2012-0478. Epub 2013 May 13.
• Results Oken MM, Creech RH, Tormey DC, Horton J, Davis TE, McFadden ET, Carbone PP. Toxicity and response criteria of the Eastern Cooperative Oncology Group. Am J Clin Oncol. 1982 Dec;5(6):649-55. No abstract available.
• Results Ryan CJ, Smith MR, de Bono JS, Molina A, Logothetis CJ, de Souza P, Fizazi K, Mainwaring P, Piulats JM, Ng S, Carles J, Mulders PF, Basch E, Small EJ, Saad F, Schrijvers D, Van Poppel H, Mukherjee SD, Suttmann H, Gerritsen WR, Flaig TW, George DJ, Yu EY, Efstathiou E, Pantuck A, Winquist E, Higano CS, Taplin ME, Park Y, Kheoh T, Griffin T, Scher HI, Rathkopf DE; COU-AA-302 Investigators. Abiraterone in metastatic prostate cancer without previous chemotherapy. N Engl J Med. 2013 Jan 10;368(2):138-48. doi: 10.1056/NEJMoa1209096. Epub 2012 Dec 10.
• Results Ryan CJ, Tindall DJ. Androgen receptor rediscovered: the new biology and targeting the androgen receptor therapeutically. J Clin Oncol. 2011 Sep 20;29(27):3651-8. doi: 10.1200/JCO.2011.35.2005. Epub 2011 Aug 22.
• Results Scher HI, Beer TM, Higano CS, Anand A, Taplin ME, Efstathiou E, Rathkopf D, Shelkey J, Yu EY, Alumkal J, Hung D, Hirmand M, Seely L, Morris MJ, Danila DC, Humm J, Larson S, Fleisher M, Sawyers CL; Prostate Cancer Foundation/Department of Defense Prostate Cancer Clinical Trials Consortium. Antitumour activity of MDV3100 in castration-resistant prostate cancer: a phase 1-2 study. Lancet. 2010 Apr 24;375(9724):1437-46. doi: 10.1016/S0140-6736(10)60172-9. Epub 2010 Apr 14.
• Results Scher HI, Fizazi K, Saad F, Taplin ME, Sternberg CN, Miller K, de Wit R, Mulders P, Chi KN, Shore ND, Armstrong AJ, Flaig TW, Flechon A, Mainwaring P, Fleming M, Hainsworth JD, Hirmand M, Selby B, Seely L, de Bono JS; AFFIRM Investigators. Increased survival with enzalutamide in prostate cancer after chemotherapy. N Engl J Med. 2012 Sep 27;367(13):1187-97. doi: 10.1056/NEJMoa1207506. Epub 2012 Aug 15.
• Sepe P, Procopio G, Pircher CC, Basso U, Caffo O, Cappelletti V, Claps M, De Giorgi U, Fratino L, Guadalupi V, Miodini P, De Marco C, Perrucci B, Mennitto A, Santini D, Spina F, Stellato M, de Braud F, Verzoni E. A phase II study evaluating the efficacy of enzalutamide and the role of liquid biopsy for evaluation of ARv7 in mCRPC patients with measurable metastases including visceral disease (Excalibur study). Ther Adv Med Oncol. 2024 Jan 22;16:17588359231217958. doi: 10.1177/17588359231217958. eCollection 2024.

Drugs

Indications