UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000015529
Receipt number R000018040
Scientific Title A multicenter randomized Phase III trial of enzalutamide versus abiraterone as a first-line endocrine therapy for castration-resistant prostate cancer
Date of disclosure of the study information 2014/11/01
Last modified on 2022/11/01 11:42:09

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Basic information

Public title

A multicenter randomized Phase III trial of enzalutamide versus abiraterone as a first-line endocrine therapy for castration-resistant prostate cancer

Acronym

EN-AB-LE Study for PCa

Scientific Title

A multicenter randomized Phase III trial of enzalutamide versus abiraterone as a first-line endocrine therapy for castration-resistant prostate cancer

Scientific Title:Acronym

EN-AB-LE Study for PCa

Region

Japan


Condition

Condition

castration-resistant prostate cancer

Classification by specialty

Urology

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

To evaluate the efficacy of enzalutamide for castration-resistant prostate cancer with comparing enzalutamide to abiraterone

Basic objectives2

Safety

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2


Developmental phase

Phase III


Assessment

Primary outcomes

Time to PSA progression; TTPP

Key secondary outcomes

Overall survival, radiographic progression-free survival, time to cytotoxic chemotherapy initiation, time to stage-up of ECOG performance status, time to opioid analgesic initiation, PSA response rate


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Cluster

Blinding

Open -no one is blinded

Control

Active

Stratification

YES

Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

enzalutamide 160mg

Interventions/Control_2

abiraterone 1000mg

Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit


Not applicable

Gender

Male

Key inclusion criteria

1. Pathologically or cytologically confirmed castration-resistant prostate cancer defined as total testosterone <50 ng/dl and two consecutive PSA elevatoin with 1week interval and the PSA judged is at least 2ng/ml higher than nadir.
2. No previous cytotoxic intravenous systemic chemotherapy
3. >=20 years old
4. ECOG PS 0-2
5. Total bilirubin <=1.5xUpper Limit of Normal (ULN), aspartate transaminase <=2.5xULN (<=5.0xULN in patients with liver metasiasis), alanine transaminase <=2.5xULN (<=5.0xULN in patients with liver metasiasis), no ascites, and no hepatic encephalopathy
6. Serum creatinine <=2.0xULN
7. Life expectancy >3months
8. Obtained infromed consent with document

Key exclusion criteria

1. Allergy for enzalutamide, abiraterone, and prednisolone
2. Desire to bear children
3. Patients who were judged unfit for enrollment by physicians in charge

Target sample size

200


Research contact person

Name of lead principal investigator

1st name Kouji
Middle name
Last name Izumi

Organization

Kanazawa University Graduate School of Medical Science

Division name

Department of Integrative Cancer Therapy and Urology

Zip code

9208641

Address

13-1 Takaramachi Kanazawa Ishikawa Japan

TEL

076-265-2393

Email

azuizu2003@yahoo.co.jp


Public contact

Name of contact person

1st name Kouji
Middle name
Last name Izumi

Organization

Kanazawa University Graduate School of Medical Science

Division name

Department of Integrative Cancer Therapy and Urology

Zip code

9208641

Address

13-1 Takaramachi Kanazawa Ishikawa Japan

TEL

076-265-2393

Homepage URL


Email

azuizu2003@yahoo.co.jp


Sponsor or person

Institute

Kanazawa University Graduate School of Medical Science, Department of Integrative Cancer Therapy and Urology

Institute

Department

Personal name



Funding Source

Organization

Kanazawa University Graduate School of Medical Science, Department of Integrative Cancer Therapy and Urology

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Institutional review board

Address

13-1 Takaramachi Kanazawa Ishikawa Japan

Tel

0762652019

Email

azuizu2003@yahoo.co.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2014 Year 11 Month 01 Day


Related information

URL releasing protocol


Publication of results

Published


Result

URL related to results and publications


Number of participants that the trial has enrolled

203

Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Main results already published

Date of protocol fixation

2014 Year 10 Month 22 Day

Date of IRB

2014 Year 10 Month 23 Day

Anticipated trial start date

2014 Year 11 Month 01 Day

Last follow-up date

2025 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2014 Year 10 Month 26 Day

Last modified on

2022 Year 11 Month 01 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000018040


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name