For volunteers

Healthy volunteer studies in Portugal

24 open studies in the registries that take healthy volunteers and have a site in Portugal.

No phaseStarts 1 Jul 2025
From age 7All sexes2720 participants
NCT07011368
Empowering Healthy Lifestyle Personalised Intervention to Prevent and Control Obesity: The HealthyW8 Project
Evora, Coimbra · Fundació d'investigació Sanitària de les Illes Balears
Registry updated 1 Jul 2025
Registry record: ClinicalTrials.gov
Phase 1Starts Apr 2025
Ages 20 to 45All sexes104 participants
NCT06823557
Investigation of the Mechanisms of the Gut-brain Axis in Binge Eating and Obesity.
Porto · Universidade do Porto
Registry updated 28 Mar 2025
Registry record: ClinicalTrials.gov
No phaseStarts Jun 2024
Ages 18 to 100All sexes1000 participants
NCT06438393
Screening Coronary Artery Disease Using artiFicial intelligencE in Non-contrast Computed Tomography
Porto · Universidade do Porto
Registry updated 31 May 2024
Registry record: ClinicalTrials.gov
Phase 1/2Starts 10 Oct 2024
Ages 18 to 75All sexes270 participants
NCT06619990
Study of XmAb942 in Healthy Participants and Participants With Ulcerative Colitis
Loures · Xencor, Inc.
Registry updated 30 Oct 2026
Registry record: ClinicalTrials.gov
No phaseStarts 3 Aug 2026
From age 35Women only2080 participants
NCT07693894
Innovative Ovarian Cancer Biomarker Assays
Lisbon · National and Kapodistrian University of Athens
Registry updated 1 Oct 2026
Registry record: ClinicalTrials.gov
No phaseStarts 6 Aug 2026
Ages 18 to 75Women only2130 participants
NCT07809659
CanRisk-Based Ovarian Cancer Risk Assessment Versus Standard Practice (DISARM CSA)
Lisbon · Instituto Portugues Oncologia de Lisboa Francisco Gentil
Registry updated 29 Sept 2026
Registry record: ClinicalTrials.gov
Phase 1Starts 23 Oct 2025
Ages 18 to 64Men only30 participants
NCT07220564
A Research Study Looking at How Different Doses of Study Medicine (Inno8) Work in the Body of People With Haemophilia A
Porto · Novo Nordisk A/S
Registry updated 18 Sept 2026
Registry record: ClinicalTrials.gov
Phase 1/2Starts 18 Sept 2025
From age 18All sexes89 participants
2024-513613-12-00
A Study to Learn About the Treatment LTP001 in Healthy Participants (Part A) and in Participants With PAH (Part B)
Porto, Lisbon, Almada · Novartis Pharma AG
Registry updated 4 Sept 2026
Registry record: EU CTIS
No phaseStarts 1 Apr 2026
Ages 16 to 35All sexes10000 participants
NCT07316621
Prospective Risk Evaluation and Detection of Crohn's Disease in First-degree Relatives
Lisbon · GLSMED Learning Health S.A.
Registry updated 29 Jul 2026
Registry record: ClinicalTrials.gov
Phase 1/2Starts 24 Oct 2024
Ages 18 to 100All sexes232 participants
NCT06649110
A Study to Learn About the Treatment LTP001 in Healthy Participants (Part A) and in Participants With PAH (Part B)
Almada, Lisbon · Novartis Pharmaceuticals
Registry updated 21 Jul 2026
Registry record: ClinicalTrials.gov
No phaseStarts 28 Nov 2023
Ages 40 to 74All sexes30000 participants
NCT06741293
Improving Colorectal Cancer Early Screening in Portugal: Identification of Gut Microbiome Biomarkers in Stool (GUTBIOME-PT)
Lisbon · Gulbenkian Institute for Molecular Medicine
Registry updated 14 May 2026
Registry record: ClinicalTrials.gov
No phaseStarts 1 Jan 2017
Ages 11 to 75All sexes2500 participants
NCT02855476
HDClarity: a Multi-site Cerebrospinal Fluid Collection Initiative to Facilitate Therapeutic Development for Huntington's Disease
Lisbon · University College, London
Registry updated 27 Apr 2026
Registry record: ClinicalTrials.gov
No phaseStarts 19 May 2025
Ages 50 to 69All sexes1000 participants
NCT06696534
Exploring Participant Preference for Screening Methods and Experience Into Colorectal Cancer Screening Programme
Lisbon · ADVANCED MARKER DISCOVERY S.L.
Registry updated 2 Oct 2025
Registry record: ClinicalTrials.gov
No phaseStarts 1 Jun 2025
Ages 18 to 65All sexes490 participants
NCT07120802
Better4All Personalized Intervention Pilot Study
Lisbon · Harokopio University
Registry updated 13 Aug 2025
Registry record: ClinicalTrials.gov
No phaseStarts 1 Sept 2025
From age 18All sexes90 participants
NCT07079722
More Health Less Diabetes
Lisbon · Faculdade de Motricidade Humana
Registry updated 23 Jul 2025
Registry record: ClinicalTrials.gov
No phaseStarts 1 Apr 2025
Ages 49 to 75All sexes1038 participants
NCT06972160
Intervention Project to Increase Adherence to Colorectal Cancer Screening in Barcelos/Esposende
Porto · Local Health Unit Barcelos/Esposende, Public Health Unit
Registry updated 14 May 2025
Registry record: ClinicalTrials.gov
No phaseStarts 14 Jan 2025
Ages 50 to 69All sexes4538 participants
NCT06703632
Evaluation of PreveCol's Efficiency As a Second Line Method for the Early Colorectal Cancer Detection
Lisbon · ADVANCED MARKER DISCOVERY S.L.
Registry updated 27 Feb 2025
Registry record: ClinicalTrials.gov
No phaseStarts 19 May 2020
Ages 18 to 65All sexes90 participants
NCT05441969
In Vivo Cortical Excitability Modulation in Major Depressive Disorder
Lisbon · Fundacao Champalimaud
Registry updated 26 Feb 2025
Registry record: ClinicalTrials.gov
No phaseStarts 31 Jan 2023
Ages 18 to 65All sexes134 participants
NCT06778343
Biomarkers in Inflammatory Rheumatic Diseases Diagnosis
Lisbon · Universidade Nova de Lisboa
Registry updated 20 Jan 2025
Registry record: ClinicalTrials.gov
No phaseStarts 2 Jan 2023
From age 18All sexes100 participants
NCT06758817
The Triad of Nutrition, Intestinal Microbiota and Rheumatoid Arthritis (TASTY)
Lisbon · Lisbon Academic Medical Center - Centro Académico de Medicina de Lisboa
Registry updated 6 Jan 2025
Registry record: ClinicalTrials.gov
No phaseStarts 16 Jun 2021
Ages 18 to 75All sexes30 participants
NCT05859022
Metabolic Effects of Bariatric Arterial Embolization vs Bariatric Surgery
Lisbon · Universidade Nova de Lisboa
Registry updated 11 Dec 2024
Registry record: ClinicalTrials.gov
No phaseStarts Jul 2012
From age 18All sexes35000 participants
NCT01574053
Enroll -HD: A Prospective Registry Study in a Global Huntington's Disease Cohort
Lisbon, Amadora, Porto, Coimbra · CHDI Foundation, Inc.
Registry updated 28 Feb 2024
Registry record: ClinicalTrials.gov
No phaseStarts 1 May 2022
Ages 3 to 6All sexes120 participants
NCT05520632
Autism Spectrum Disorder: BAEPs Findings and Behavioral Responses to Sounds
Porto · Instituto de Ciências Biomédicas Abel Salazar
Registry updated 30 Aug 2022
Registry record: ClinicalTrials.gov
No phaseStarts 10 Apr 2025
Ages 30 to 69Women only5700 participants
NCT06915610
Reengineering Cervical Cancer Screening for the 21st Century: Joint Action for a Novel Up-to-date and Sustainable Screening Program
Vila Nova de Gaia · Instituto de Saude Publica da Universidade do Porto
Registry updated 23 Apr 2025
Registry record: ClinicalTrials.gov

Other countries

Search the registries directly

Report an error