Clinical trial · Interventional
Safety and Efficacy Study of MDV3100 in Patients With Castration-Resistant Prostate Cancer Who Have Been Previously Treated With Docetaxel-based Chemotherapy
Affirm: A Multinational Phase 3, Randomized, Double-blind, Placebo-controlled Efficacy And Safety Study Of Oral Mdv3100 In Patients With Progressive Castration-resistant Prostate Cancer Previously Treated With Docetaxel Based Chemotherapy
NCT00974311CI-TRIAL-00036090AFFIRMcompletedPhase 3Results postedClinicalTrials.gov clinicaltrialsProvenance
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
This is a phase 3 study to compare the clinical benefit of MDV3100 versus placebo in patients with castration-resistant prostate cancer who have been previously treated with docetaxel-based chemotherapy.
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Castration-Resistant Prostate Cancer | Castration-Resistant Prostate Carcinoma | ALIAS | 0.90 |
Interventions
Interventions (2)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| Enzalutamide | Drug | Enzalutamide | ALIAS |
| Placebo | Drug | — | UNRESOLVED |
Design
Arms and outcomes
Arms (2)
- type
- EXPERIMENTAL
- label
- Enzalutamide
- description
- Formerly MDV3100
- interventionNames
- Drug: Enzalutamide
- type
- PLACEBO_COMPARATOR
- label
- Placebo
- interventionNames
- Drug: Placebo
Primary outcomes (1)
- measure
- Overall Survival
- timeFrame
- During study period (up to 101 months)
- description
- Survival was defined as time from randomization to death due to any cause. The duration of overall survival was right-censored for participants who were lost to follow-up since randomization or not known to have died at the data analysis cut-off date (this included participants who were known to have died after the data analysis cut-off date).
Eligibility
Eligibility (as posted)
- Sex
- Male
- Minimum age
- 18 Years
Show eligibility criteria text
Inclusion Criteria: * Progressive prostate cancer * Medical or surgical castration with testosterone less than 50 ng/dl * One or two prior chemotherapy regimens. At least one chemotherapy regimen must have contained docetaxel * Eastern Cooperative Oncology Group (ECOG) performance status 0-2 * Adequate bone marrow, hepatic, and renal function * Able to swallow the study drug and comply with study requirements * Informed consent Exclusion Criteria: * Metastases in the brain or active epidural disease * Another malignancy within the previous 5 years * Clinically significant cardiovascular disease * Gastrointestinal disorder affecting absorption
References
Publications (14)
- DERIVEDCella D, Ganguli A, Turnbull J, Rohay J, Morlock R. US Population Reference Values for Health-Related Quality of Life Questionnaires Based on Demographics of Patients with Prostate Cancer. Adv Ther. 2022 Aug;39(8):3696-3710. doi: 10.1007/s12325-022-02204-3. Epub 2022 Jun 22. PMID 35731340
- DERIVEDJoshua AM, Armstrong A, Crumbaker M, Scher HI, de Bono J, Tombal B, Hussain M, Sternberg CN, Gillessen S, Carles J, Fizazi K, Lin P, Duggan W, Sugg J, Russell D, Beer TM. Statin and metformin use and outcomes in patients with castration-resistant prostate cancer treated with enzalutamide: A meta-analysis of AFFIRM, PREVAIL and PROSPER. Eur J Cancer. 2022 Jul;170:285-295. doi: 10.1016/j.ejca.2022.04.005. Epub 2022 May 26. PMID 35643841
- DERIVEDZhao JL, Fizazi K, Saad F, Chi KN, Taplin ME, Sternberg CN, Armstrong AJ, de Bono JS, Duggan WT, Scher HI. The Effect of Corticosteroids on Prostate Cancer Outcome Following Treatment with Enzalutamide: A Multivariate Analysis of the Phase III AFFIRM Trial. Clin Cancer Res. 2022 Mar 1;28(5):860-869. doi: 10.1158/1078-0432.CCR-21-1090. PMID 34965947
- DERIVEDTombal BF, Freedland SJ, Armstrong AJ, Beer TM, Stenzl A, Sternberg CN, Hussain M, Ganguli A, Ramaswamy K, Bhadauria H, Ivanescu C, Turnbull J, Holmstrom S, Saad F. Impact of enzalutamide on patient-reported fatigue in patients with prostate cancer: data from the pivotal clinical trials. Prostate Cancer Prostatic Dis. 2022 Feb;25(2):288-295. doi: 10.1038/s41391-021-00447-9. Epub 2021 Sep 13. PMID 34518652
- DERIVEDArmstrong AJ, Al-Adhami M, Lin P, Parli T, Sugg J, Steinberg J, Tombal B, Sternberg CN, de Bono J, Scher HI, Beer TM. Association Between New Unconfirmed Bone Lesions and Outcomes in Men With Metastatic Castration-Resistant Prostate Cancer Treated With Enzalutamide: Secondary Analysis of the PREVAIL and AFFIRM Randomized Clinical Trials. JAMA Oncol. 2020 Feb 1;6(2):217-225. doi: 10.1001/jamaoncol.2019.4636. PMID 31830211
- DERIVEDPoon DMC, Wong KCW, Chan TW, Law K, Chan K, Lee EKC, Lee C, Chan M; Hong Kong Society of Uro-Oncology (HKSUO). Survival Outcomes, Prostate-specific Antigen Response, and Tolerance in First and Later Lines of Enzalutamide Treatment for Metastatic Castration-resistant Prostate Cancer: A Real-World Experience in Hong Kong. Clin Genitourin Cancer. 2018 Oct;16(5):402-412.e1. doi: 10.1016/j.clgc.2018.07.008. Epub 2018 Jul 21.