UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000022102
Receipt number R000025463
Scientific Title Randomized control trial of Abiraterone and Enzalutamide for castration resistant prostate cancer patients.
Date of disclosure of the study information 2016/05/01
Last modified on 2020/05/01 17:44:49

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Basic information

Public title

Randomized control trial of Abiraterone and Enzalutamide for castration resistant prostate cancer patients.

Acronym

Abenza trial

Scientific Title

Randomized control trial of Abiraterone and Enzalutamide for castration resistant prostate cancer patients.

Scientific Title:Acronym

Abenza trial

Region

Japan


Condition

Condition

Castration resistant prostate cancer

Classification by specialty

Urology

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

Prospective randomized trial was conducted to compare the usefulness of abiraterone and enzalutamide for castration resistant prostate cancer.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2


Developmental phase

Not applicable


Assessment

Primary outcomes

PSA response rate in each group of abiraterone and enzalutamide as primary therapy

Key secondary outcomes

1. PSA or radiographic progression free rate in each group of abiraterone and enzalutamide as primary therapy
2. PSA response rate in each group of abiraterone and enzalutamide as primary therapy
3. PSA or radiographic progression free rate in each group of abiraterone and enzalutamide as whole therapy after cross-over
4. Time until introduction of chemotherapy or best supportive care (BSC)
5. Overall survival time
6. QOL analysis by FACT P
7. Adverse events in each group of abiraterone and enzalutamide


Base

Study type

Interventional


Study design

Basic design

Cross-over

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Active

Stratification

YES

Dynamic allocation

YES

Institution consideration

Institution is not considered as adjustment factor.

Blocking

NO

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

Abiraterone

Interventions/Control_2

Enzalutamide

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


Not applicable

Age-upper limit

85 years-old >

Gender

Male

Key inclusion criteria

1. Castration resistant prostate cancer patients with or without metastasis after at least one kind of anti-androgen therapy who are unfit for docetaxel chemotherapy.
2. PSA less than 5ng/ml
3. Under 85 years old
4. ECOG PS is 0-2 and at least 3 months of survival is expected.
5. Appropriate visceral function
WBC > 3000/mm3 or Neutrophils > 1500/mm3
AST, ALT <upper limit of normal range X 1.5
sCr < upper limit of normal range X 1.5
6. Written informed consent is obtained.

Key exclusion criteria

Not specifically defined.

Target sample size

50


Research contact person

Name of lead principal investigator

1st name Isao
Middle name
Last name Hara

Organization

Wakayama Medical University

Division name

Department of Urology

Zip code

641-8509

Address

811-1 KImiidera, Wakayama City, Wakayama Prefecture

TEL

073-441-0637

Email

hara@wakayama-med.ac.jp


Public contact

Name of contact person

1st name Isao
Middle name
Last name Hara

Organization

Wakayama Medical University

Division name

Department of Urology

Zip code

641-8509

Address

811-1 KImiidera, Wakayama City, Wakayama Prefecture

TEL

073-441-0637

Homepage URL


Email

hara@wakayama-med.ac.jp


Sponsor or person

Institute

Department of Urology
Wakayama Medical University

Institute

Department

Personal name



Funding Source

Organization

Department of Urology
Wakayama Medical University

Organization

Division

Category of Funding Organization

Local Government

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Institutional Review Board, Wakayama Medical University

Address

811-1 Kimiidera, Wakayama city

Tel

073-441-0714

Email

wa-rinri@wakayama-med.ac.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

和歌山県立医科大学付属病院(和歌山県)


Other administrative information

Date of disclosure of the study information

2016 Year 05 Month 01 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


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

Open public recruiting

Date of protocol fixation

2015 Year 02 Month 12 Day

Date of IRB

2015 Year 02 Month 12 Day

Anticipated trial start date

2016 Year 03 Month 23 Day

Last follow-up date

2027 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

2016 Year 04 Month 27 Day

Last modified on

2020 Year 05 Month 01 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000025463


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name