For volunteers

Healthy volunteer studies in Greece

35 open studies in the registries that take healthy volunteers and have a site in Greece.

No phaseStarts 15 Oct 2026
All sexes50 participants
NCT07888322
Assessment of Intelligent Algorithms for Detection, Diagnosis and Risk Stratification of Tumors of the Kidney and Prostate
Pátrai, Thessaloniki · Aristotle University Of Thessaloniki
Registry updated 2 Nov 2026
Registry record: ClinicalTrials.gov
Phase 3Starts 1 Dec 2026
Ages 12 to 35All sexes586 participants
NCT07434973
Stratification and Treatment in Early Psychosis Study - PROMOTE
Athens · University of Oxford
Registry updated 8 Oct 2026
Registry record: ClinicalTrials.gov
Phase 4Starts 20 Feb 2026
Ages 18 to 64All sexes30 participants
2025-521910-24-00
Effects of CLADribine tablets on the Immune Synapse, in Relapsing Multiple Sclerosis (RMS) patients_CLADIS.
Thessaloniki · Aristotle University Of Thessaloniki
Registry updated 3 Jul 2026
Registry record: EU CTIS
No phaseStarts 1 Jul 2026
Ages 30 to 50All sexes60 participants
NCT07659028
Human Pilot Study for the Investigation of the Role of Bilberry and Olive Bioactives on Oxidative Stress Parameters and Inflammatory Markers.
Athens · National and Kapodistrian University of Athens
Registry updated 22 Jun 2026
Registry record: ClinicalTrials.gov
No phaseStarts 1 Sept 2027
Ages 12 to 25All sexes840 participants
NCT07505459
AI-INFORMED PEER-MENTORING BEHAVIORAL INTERVENTION FOR OBESITY AND CARDIOVASCULAR DISEASE PRIMARY PREVENTION IN YOUTH
Pátrai · Aikaterini Karaivazoglou
Registry updated 14 Apr 2026
Registry record: ClinicalTrials.gov
No phaseStarts 30 Jun 2025
Ages 60 to 100All sexes70 participants
NCT07060196
The Impact of Artificial Lighting on the Visual Capacity of Patients With Age-Related Macular Degeneration
Alexandroupoli · Democritus University of Thrace
Registry updated 11 Jul 2025
Registry record: ClinicalTrials.gov
No phaseStarts Sept 2025
Ages 10 to 19All sexes4000 participants
NCT06931847
SUNRISE Aims to Create a Comprehensive, Engaging, and Sustainable Digital Health Promotion Program That Not Only Addresses Immediate Health Behaviours But Also Instils Lifelong Healthy Habits Among Adolescents. It is a Unique, Digitally Enhanced Program Combining Different Digital Solutions With New
Heraklion · Biobizkaia Health Research Institute
Registry updated 17 Apr 2025
Registry record: ClinicalTrials.gov
No phaseStarts Sept 2025
Ages 14 to 18All sexes3500 participants
NCT06922201
The SUNRISE Project is Dedicated to Enhancing Primary Cancer Prevention Among Adolescents in Europe by Leveraging Innovative Digital Tools and Methodologies. SmartCoach, Developed by Swiss Research Institute for Public Health and Addiction (ISGF), is a Mobile Phone-based Life-skills Training Program
Heraklion · Biobizkaia Health Research Institute
Registry updated 10 Apr 2025
Registry record: ClinicalTrials.gov
No phaseStarts 9 Dec 2024
Ages 18 to 75All sexes515 participants
NCT06711939
Vocorder Device Validation in Clinical Settings - Continuous Monitoring of Individuals (Vocorder Clinical Validation-VCV)
Athens · Mitera Hospital
Registry updated 2 Dec 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
Athens, Heraklion, Thessaloniki · Xencor, Inc.
Registry updated 30 Oct 2026
Registry record: ClinicalTrials.gov
No phaseStarts 30 Jan 2023
From age 18All sexes3000 participants
NCT05735704
Early Detection and Screening of Hematological Malignancies - SANGUINE
Athens · JaxBio Ltd
Registry updated 15 Oct 2026
Registry record: ClinicalTrials.gov
No phaseStarts 3 Aug 2026
From age 35Women only2080 participants
NCT07693894
Innovative Ovarian Cancer Biomarker Assays
Athens · 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)
Athens · Instituto Portugues Oncologia de Lisboa Francisco Gentil
Registry updated 29 Sept 2026
Registry record: ClinicalTrials.gov
Phase 2Starts 14 Sept 2026
From age 60All sexes200 participants
NCT07762014
rBCG-N-RSV Vaccine in Adults Aged 60 Years and Older
Athens · Biothervax SpA
Registry updated 15 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)
Chaïdári, Athens, Thessaloniki, Kallithea · Novartis Pharma AG
Registry updated 4 Sept 2026
Registry record: EU CTIS
No phaseStarts 28 Jun 2023
All sexes3000 participants
NCT06016946
Friedreich Ataxia Global Clinical Consortium UNIFIED Natural History Study
Athens · Friedreich's Ataxia Research Alliance
Registry updated 1 Sept 2026
Registry record: ClinicalTrials.gov
No phaseStarts 21 May 2026
From age 18All sexes2000 participants
NCT07758582
Validation of the Artificial Intelligence Subsystem of the DDART Medical Device for the Automated Detection of Lesions Compatible With Diabetic Retinopathy in a Random Sample of Retinal Fundus Photographs
Alexandroupoli · Democritus University of Thrace
Registry updated 11 Aug 2026
Registry record: ClinicalTrials.gov
No phaseStarts 21 Apr 2026
From age 18All sexes2000 participants
NCT07758569
Validation of the Artificial Intelligence Subsystem of the DDART Medical Device for the Automated Detection of Lesions Compatible With Glaucoma in a Random Sample of Retinal Fundus Photographs
Alexandroupoli · Democritus University of Thrace
Registry updated 11 Aug 2026
Registry record: ClinicalTrials.gov
No phaseStarts 1 Sept 2025
Ages 20 to 85All sexes120 participants
NCT06791044
25(OH)-Vitamin D and Its Association With Structural and Functional Parameters in Hospitalized Patients With Neurological Diseases
Athens, Nea Liosia · Dionyssiotis, Yannis, M.D.
Registry updated 31 Jul 2026
Registry record: ClinicalTrials.gov
No phaseStarts 1 Jul 2020
From age 30All sexes4500 participants
NCT04477785
PPMI Clinical - Establishing a Deeply Phenotyped PD Cohort
Athens · Michael J. Fox Foundation for Parkinson's Research
Registry updated 27 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)
Chaïdári, Athens, Thessaloniki · Novartis Pharmaceuticals
Registry updated 21 Jul 2026
Registry record: ClinicalTrials.gov
No phaseStarts 8 Jan 2026
Ages 30 to 50All sexes30 participants
NCT07341711
Long-term Adaptations of Skeletal Muscle After Hybrid Training
Trikala · University of Thessaly
Registry updated 12 Jun 2026
Registry record: ClinicalTrials.gov
No phaseStarts 10 Nov 2025
Ages 35 to 50All sexes30 participants
NCT07300332
Exercise Training and Vitamin D Metabolism
Trikala · University of Thessaly
Registry updated 26 May 2026
Registry record: ClinicalTrials.gov
No phaseStarts 13 Jun 2025
Ages 2 to 16All sexes45 participants
NCT07483879
Biomarkers of Acute Organ Injury in Pediatric Newly Diagnosed Type 1 Diabetes
Thessaloniki · Aristotle University Of Thessaloniki
Registry updated 19 Mar 2026
Registry record: ClinicalTrials.gov
No phaseStarts 12 May 2025
Ages 18 to 85All sexes1200 participants
NCT06941012
Validation of α-synuclein Modifications in Parkinson's dIsoRder Evolution
Thessaloniki · Casa di Cura IGEA
Registry updated 2 Mar 2026
Registry record: ClinicalTrials.gov
No phaseStarts 15 Dec 2025
Ages 18 to 65All sexes88 participants
NCT07368777
Comparison of Genotype-Based Dietary Counseling Versus Standard Dietary Counseling on Weight Loss and Fat Mass Reduction
Marousi · Metropolitan College
Registry updated 28 Jan 2026
Registry record: ClinicalTrials.gov
No phaseStarts 22 Sept 2025
Ages 30 to 45All sexes60 participants
NCT07196852
Redox Status and Exercise Training-induced Adaptations
Trikala · University of Thessaly
Registry updated 16 Dec 2025
Registry record: ClinicalTrials.gov
No phaseStarts 1 Jan 2022
From age 16All sexes50 participants
NCT07231601
Laparoscopic Right Hemicolectomy for Crohn's Disease of the Terminal Ileum Utilizing the Mesenteric Excision and Exclusion
Piraeus · Tzaneio General Hospital
Registry updated 17 Nov 2025
Registry record: ClinicalTrials.gov
No phaseStarts 1 Mar 2024
From age 18All sexes100 participants
NCT07190976
The Value of EEG in Stroke Units
Chaïdári · Attikon Hospital
Registry updated 24 Sept 2025
Registry record: ClinicalTrials.gov
No phaseStarts 19 Sept 2021
Ages 18 to 90All sexes44 participants
NCT04949646
Intraoperative Neuromonitoring of Pelvic Autonomous Nerve Plexus During Total Mesorectal Excision
Larissa · Larissa University Hospital
Registry updated 4 Sept 2025
Registry record: ClinicalTrials.gov
No phaseStarts 1 Jun 2025
Ages 18 to 65All sexes490 participants
NCT07120802
Better4All Personalized Intervention Pilot Study
Athens · Harokopio University
Registry updated 13 Aug 2025
Registry record: ClinicalTrials.gov
No phaseStarts 1 Oct 2024
From age 18Women only12084 participants
NCT06918236
Association of Assisted Reproductive Technologies Parameters With the Perinatal Outcome
Thessaloniki · Aristotle University Of Thessaloniki
Registry updated 9 Apr 2025
Registry record: ClinicalTrials.gov
No phaseStarts 10 Mar 2025
Ages 45 to 65All sexes60 participants
NCT06562842
Exercise, Gut Microbiota and Type 2 Diabetes
Trikala · University of Thessaly
Registry updated 28 Mar 2025
Registry record: ClinicalTrials.gov
No phaseStarts 15 Mar 2021
From age 45All sexes100000 participants
NCT04701177
Digitally-enhanced, Decentralized, Multi-omics Observational Cohort
Thessaloniki, Corfu · Greece 2021 Committee
Registry updated 10 Sept 2026
Registry record: ClinicalTrials.gov
No phaseStarts 5 Feb 2024
From age 18All sexes50 participants
NCT07316075
Multicenter Study on Cardiovascular and Metabolic Complications in Patients With Biochemically Silent Pheochromocytomas and Paragangliomas
Athens · Laikο General Hospital, Athens
Registry updated 5 Jan 2026
Registry record: ClinicalTrials.gov

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