Clinical trial • Phase I • Oncology

Valemetostat for Metastatic castration-resistant prostate cancer (mCRPC)

Phase I trial of Valemetostat for Metastatic castration-resistant prostate cancer (mCRPC). 47 participants.

Overview

Trial Therapeutic Area
Oncology
Trial Disease
Metastatic castration-resistant prostate cancer (mCRPC)
Trial Stage
Phase I
Drug Modality
Small molecule|Small molecule

Key dates

Initial CTIS Submission Date
05-11-2025
First CTIS Authorization Date
18-03-2026

Trial design

Phase I trial across 7 sites in Ireland, Spain, France.

Target Sample Size
47

Recruitment

Planned Sample Size
47
Recruitment Window Months
50

Geography

Total Number Of Sites
7
Total Number Of Participants
13

Ireland

Earliest CTIS Part Ii Submission Date
05-03-2026
Latest Decision Or Authorization Date
20-03-2026
Processing Time Days
15
Number Of Sites
1
Number Of Participants
2

Sites

Site Name
Mater Misericordiae University Hospital
Department Name
Oncology
Principal Investigator Name
Austin Duffy
Principal Investigator Email
austin.duffy@startdublin.com
Contact Person Name
Austin Duffy
Contact Person Email
austin.duffy@startdublin.com

Spain

Earliest CTIS Part Ii Submission Date
20-02-2026
Latest Decision Or Authorization Date
19-03-2026
Processing Time Days
27
Number Of Sites
4
Number Of Participants
7

Sites

Site Name
Hospital Universitario Fundacion Jimenez Diaz
Department Name
Oncology
Principal Investigator Name
Bernard Gaston Doger de Spevile
Principal Investigator Email
bernard.doger@startmadrid.com
Contact Person Name
Bernard Gaston Doger de Spevile
Contact Person Email
bernard.doger@startmadrid.com
Site Name
Hospital San Pedro
Department Name
Oncology
Principal Investigator Name
Maria Jose de Miguel Luken
Principal Investigator Email
maria.demiguel@startrioja.com
Contact Person Name
Maria Jose de Miguel Luken
Contact Person Email
maria.demiguel@startrioja.com
Site Name
Hospital Quironsalud Barcelona
Department Name
Oncology
Principal Investigator Name
Fabricio Racca
Principal Investigator Email
fracca@nextoncology.eu
Contact Person Name
Fabricio Racca
Contact Person Email
fracca@nextoncology.eu
Site Name
Hospital Universitario Quironsalud Madrid
Department Name
Oncology
Principal Investigator Name
Valentina Boni
Principal Investigator Email
vboni@nextoncology.eu
Contact Person Name
Valentina Boni
Contact Person Email
vboni@nextoncology.eu

France

Earliest CTIS Part Ii Submission Date
20-02-2026
Latest Decision Or Authorization Date
04-05-2026
Processing Time Days
73
Number Of Sites
2
Number Of Participants
4

Sites

Site Name
Centre Oscar Lambret
Department Name
Oncology
Principal Investigator Name
Karim FIZAZI
Principal Investigator Email
k-fizazi@o-lambret.fr
Contact Person Name
Karim FIZAZI
Contact Person Email
k-fizazi@o-lambret.fr
Site Name
Centre Leon Berard
Department Name
Oncology
Principal Investigator Name
Aude FLECHON
Principal Investigator Email
aude.flechon@lyon.unicancer.fr
Contact Person Name
Aude FLECHON
Contact Person Email
aude.flechon@lyon.unicancer.fr

Sponsor

Primary sponsor

Full Name
Daiichi Sankyo Inc.
Organisation Type
Pharmaceutical company
Country Of Registered Address
United States

Investigational products

Investigational Product Name
Valemetostat
Active Substance
Valemetostat
Modality
Small molecule
Investigational Product Name
Darolutamide
Active Substance
Darolutamide
Modality
Small molecule
Combination Treatment
Yes

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