Polish-language databases on clinical trials:
- INFARMA – http://www.badaniaklinicznewpolsce.pl/baza-badan-klinicznych/
- „Clinical Trials in Poland” – www.bkwp.pl
- Register of oncological research – https://pto.med.pl/badania_kliniczne
- eClinical Research – https://ebadaniakliniczne.pl/
- Department of Early Phases Research at the Oncology Center – http://www.obwf.coi.pl
- Immuno-oncology registry – www.immuno-onkologia.pl
- Polish Coalition of Oncology Patients – http://www.pkopo.pl/badania_kliniczne
English-language clinical trial databases:
- Worldwide – https://clinicaltrials.gov
- European (EMA) – https://www.clinicaltrialsregister.eu/ctr-search/search