The Dutch Childhood Oncology Group - Early Clinical Trial Consortium (DCOG-ECTC) implements clinical trials in children with cancer, especially early phase trials. Team members of the DCOG-ECTC are based at different locations:



The DCOG-ECTC is one of the collaborating partners in ITCC, a European based consortium to promote the clinical evaluation of new anti-cancer compounds in children with cancer.

This website is a tool for investigators and their study teams participating in DCOG-ECTC studies, to manage DCOG-ECTC sponsored trials in an efficient manner. All new study information and information requests to participating sites will be communicated via this website.

Patient Registration & eCRF

Follow the links below to work on the electronic case report forms (eCRF) of the study you are participating in.

In case you have questions on the eCRF, please contact the datacenter and/or the trialmanager of the study.

ALEA: Use this link to register a patient for a specific trial, and to enter data in the eCRF.

Only for specific trials the Data Center will register the patient (ITCC-054/Bosu & ITCC-059/InO).

OpenClinica (Enterprise Edition)

OpenClinica (Community Edition) 


Database training

Follow the link below to open the EDC training videos. Watch (sound on) the videos applicable for your role in the EDC system. 

ALEA training videos for all users of ALEA

Open Clinica training videos for all users of Open Clinica

Test environments

The links below are only accessible for the sponsor team (CDM/TM).

ALEA acceptance

OpenClinica test (Community Edition)

OpenClinica test (Enterprise Edition)

DCOG-ECTC acceptance


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