Frontlight ResearchEarly access
Colorectal cancer trials in Spain
26 of 147 trials · From ClinicalTrials.gov and EU CTIS (euclinicaltrials.eu), checked 15 November 2026. Ask the study team whether a trial fits you.
- No phaseTaking peopleYttrium-90 Radioembolization Neoadjuvant Therapy With Immune Marker Profiling and Dosimetry for Potentially Resectable Patients With Colorectal Liver Metastases
- Where
- Castelló, Granada, Madrid, Pamplona, Valencia
- Age
- 18 years and over
- People
- 30
- Run by
- Fernando Gómez Muñoz
See details and how to joinNCT07406126 - No phaseTaking peopleORACLE: Observation of ResiduAl Cancer With Liquid Biopsy Evaluation
- Where
- A Coruña, Barcelona, Girona, Las Palmas de Gran Canaria, Madrid, Málaga, Sabadell, Santiago de Compostela, Valencia
- Age
- 18 years and over
- People
- 2,285 worldwide
- Run by
- Guardant Health, Inc.
See details and how to joinNCT05059444 - No phaseTaking peopleStage II/III Colorectal Cancer Recurrence
- Where
- Barcelona, Madrid
- Age
- 18 years and over
- People
- 400 worldwide
- Run by
- City of Hope Medical Center
See details and how to joinNCT06314958 - No phaseTaking peopleEarly Onset Colorectal Cancer Detection
- Where
- Barcelona, Madrid, Salamanca, San Cristóbal de La Laguna
- Age
- 18 years to 50 years
- People
- 400 worldwide
- Run by
- City of Hope Medical Center
See details and how to joinNCT06342401 - No phaseTaking peopleEarly Detection of Advanced Adenomas and Colorectal Cancer
- Where
- Barcelona
- Age
- 18 years and over
- People
- 2,000 worldwide
- Run by
- City of Hope Medical Center
See details and how to joinNCT06342440 - No phaseTaking peopleMesorectal Microbiome and Metabolome as a Prognostic Factor in Patients With Rectal Cancer
- Where
- Girona
- Age
- 18 years to 18 years
- People
- 100
- Run by
- University Hospital of Girona Dr. Josep Trueta
See details and how to joinNCT04804956 - No phaseTaking peopleMulti-scale Spatio-Temporal Analysis of Research Data
- Where
- Granada
- Age
- 18 years to 90 years
- People
- 15
- Run by
- Universidad de Granada
See details and how to joinNCT07189312 - No phaseTaking peopleExogenous and Endogenous Risk Factors for Early-onset Colorectal Cancer
- Where
- Barcelona
- Age
- 18 years to 49 years
- People
- 2,300 worldwide
- Run by
- San Raffaele University
See details and how to joinNCT05732623 - No phaseTaking peopleHypofractionated Palliative Radiotherapy in Patients With Advanced Non-operable Rectal Cancer
- Where
- Terrassa
- Age
- 18 years and over
- People
- 50
- Run by
- Consorci Sanitari de Terrassa
See details and how to joinNCT03853733 - No phaseTaking peoplePain Evaluation Across Robotic and Laparoscopic Surgery for Colorectal Procedures
- Where
- Madrid
- Age
- 18 years and over
- People
- 80
- Run by
- Hospital Central de la Defensa Gómez Ulla
See details and how to joinNCT07431892 - No phaseTaking peopleObservational Cross-reactivity Study for Colorectal Cancer Diagnosis
- Where
- Madrid, Málaga, Ourense, Oviedo
- Age
- 18 years and over
- People
- 250
- Run by
- ADVANCED MARKER DISCOVERY S.L.
See details and how to joinNCT06889844 - No phaseTaking peopleDevelopment and Validation of a Blood Test for Early Diagnosis of Colorectal Cancer
- Where
- Barcelona, Bilbao, Donostia / San Sebastian, Madrid, Oviedo, Salamanca, Santander, Zaragoza
- Age
- 18 years and over
- People
- 510
- Run by
- ADVANCED MARKER DISCOVERY S.L.
See details and how to joinNCT06889883 - No phaseNot yet taking people in SpainLow Powered Colorectal Anastomosis After Rectal Excision (OASIS)
- Where
- Madrid, Vigo
- Age
- 18 years and over
- People
- 400 worldwide
- Run by
- Bordeaux Colorectal Institute
See details and how to joinNCT07146334 - No phaseTaking peopleALFAOMEGA Master Observational Trial
- Where
- Barcelona, Valencia
- Age
- 18 years and over
- People
- 3,000 worldwide
- Run by
- IFOM ETS - The AIRC Institute of Molecular Oncology
See details and how to joinNCT04120935 - No phaseTaking peopleA Retrospective Protocol Empowering Precision Research in Colorectal Cancer (ALFAOMEGA-RETRÒ)
- Where
- Barcelona, L'Hospitalet de Llobregat, Valencia
- Age
- 18 years and over
- People
- 500 worldwide
- Run by
- IFOM ETS - The AIRC Institute of Molecular Oncology
See details and how to joinNCT05101382 - No phaseTaking peopleLow Stable Pressure Pneumoperitoneum in Colorectal Surgery (CROSS STUDY)
- Where
- Madrid
- Age
- 18 years and over
- People
- 300 worldwide
- Run by
- Bordeaux Colorectal Institute Academy
See details and how to joinNCT06154785 - No phaseEnrolling by invitationLiquid BiOpsy, Lung and Colon Cancer in AndaluciA
- Where
- Granada
- Age
- 18 years and over
- People
- 500
- Run by
- Fundación Pública Andaluza para la Investigación Biomédica Andalucía Oriental
See details and how to joinNCT06997458 - No phaseTaking peopleImplementation of an Efferent Loop Stimulation Protocol Prior to Ileostomy Closure at La Paz University Hospital
- Where
- Madrid
- Age
- 18 years and over
- People
- 68
- Run by
- Hospital Universitario La Paz
See details and how to joinNCT06974500 - No phaseTaking peopleSpanish Registry of Digestive Tumours RETUD
- Where
- Madrid
- Age
- 18 years and over
- People
- 20,000
- Run by
- Spanish Cooperative Group for the Treatment of Digestive Tumours (TTD)
See details and how to joinNCT06711211 - No phaseNot yet taking people in SpainObservational SIR-Spheres Study for the Treatment of Unresectable Liver Tumors (SIRtain Registry)
- Where
- Madrid, Majadahonda, Valencia
- Age
- 18 years and over
- People
- 845 worldwide
- Run by
- Sirtex Medical
See details and how to joinNCT05967143 - No phaseTaking peopleThe Impact of Radiotherapy on Oligometastatic Cancer
- Where
- Albacete, Barcelona, Castellon, Girona, Granada, Lleida, Madrid, Reus, Seville, Terrassa, Valencia, Zaragoza
- Age
- 18 years and over
- People
- 2,000
- Run by
- Institut Investigacio Sanitaria Pere Virgili
See details and how to joinNCT05933876 - No phaseNot yet taking people in SpainClinical and Endoscopic Characterization of Patients With Multiple Colorectal Adenomas: A Multicenter Study in Spain (ESPAPOLYP Study)
- Where
- Madrid
- Age
- 18 years and over
- People
- 200
- Run by
- Asociación Española de Gastroenterología
See details and how to joinNCT06625788 - No phaseTaking peopleEarly Diagnosis of Colorectal Cancer Based on a Non-invasive Metabolomics Profile
- Where
- Reus, Tarragona
- Age
- 50 years to 70 years
- People
- 2,000
- Run by
- Institut Investigacio Sanitaria Pere Virgili
See details and how to joinNCT06452745 - No phaseTaking peopleLocal Excision for Organ Preservation in Early REctal Cancer With No Adjuvant Treatment
- Where
- Madrid
- Age
- 18 years and over
- People
- 145
- Run by
- Fundación de Investigación Biomédica - Hospital Universitario de La Princesa
See details and how to joinNCT05927584 - No phaseTaking peoplePatient Reported Outcomes Following Cancer of the Rectum
- Where
- Madrid
- Age
- 18 years to 100 years
- People
- 200
- Run by
- University Hospital Gregorio Marañón
See details and how to joinNCT04936581