| Recruiting | SAGA for Toddlers. Supporting Children's Linguistic and Socio-Emotional Development in Early Childhood Educati Social Emotional Competence, Language Development | N/A | 2025-09-25 |
| Recruiting | Physiological, Hormonal, and DNA-based Mechanisms of Psychosocial Stress and Therapeutic Effect Well-Being, Psychological, Loneliness | N/A | 2025-09-12 |
| Recruiting | tDCS Intervention in Breast Cancer Survivors With and Without Obesity Reporting Cognitive Impairment Breast Cancer Survivor, Obesity, Overweight | N/A | 2025-09-01 |
| Recruiting | Infant Microbiota Restoration With Maternal Microbes Infant, Newborn, Gut -Microbiota, Gut Dysbiosis | N/A | 2025-07-17 |
| Not Yet Recruiting | NutFinForce: The Impact of Digitally Delivered Lifestyle Performance Medicine Intervention on Defense Performa No Condition | — | 2025-03-15 |
| Recruiting | HFPEF-project: Heart Failure Phenotyping - Exploring the Fingerprints Heart Failure with Preserved Ejection Fraction | — | 2024-08-23 |
| Recruiting | Orthodontic Screening in Public Healthcare Malocclusion, Compliance, Patient | — | 2024-06-06 |
| Not Yet Recruiting | Cost-effectiveness, Impact of a Workplace-based Intervention to Reduce Occupational Sitting Time in Office-bas Physical Inactivity, Sedentary Behavior, Occupational Diseases | N/A | 2024-06-01 |
| Recruiting | Language Development Deficits and Early Interactive Music Intervention Dyslexia, Developmental, Language Development Disorders, Language Development | N/A | 2024-03-11 |
| Completed | The Role of Genetics in Weight Loss Body Mass Index (BMI) | N/A | 2023-10-02 |
| Unknown | Bioavailability of Vitamin B12 in Bread Using Fermented Faba Bean as B12 Source in Healthy Volunteers (BeanBre Vitamin B12 Absorption | N/A | 2023-10-01 |
| Recruiting | Accuracy of EEG Slow Wave Activity in Predicting Favourable Outcome in Patients With Hypoxic Brain Injury - A Out-Of-Hospital Cardiac Arrest | — | 2023-08-01 |
| Recruiting | The Prognostic Impact of Symptoms and Lesion Depth in Partial Removal of Carious Tissue Deep Caries, Pulpitis Reversible, Pulp Hyperemia | — | 2023-04-21 |
| Unknown | Finnish Imaging of Shoulder Trauma Shoulder Pain, Shoulder Injuries, Rotator Cuff Tears | — | 2023-04-05 |
| Active Not Recruiting | Effects of Nature-based Group Intervention on Quality-of-life in Lonely Older People Living in Assisted Living Loneliness | N/A | 2023-02-21 |
| Completed | Finnish Imaging of Shoulder Study Shoulder Pain, Rotator Cuff Tears, Glenoid Labrum Tear | — | 2023-02-16 |
| Active Not Recruiting | Early Orthodontic Treatment of Dental Crowding Dental Crowding | N/A | 2022-11-18 |
| Recruiting | Efficacy of Music Therapy and Digital Music Rehabilitation in Dementia Dementia | N/A | 2022-09-01 |
| Recruiting | Interventions for the Wellbeing of Students At the University of Helsinki Well-Being, Psychological | N/A | 2022-03-20 |
| Completed | Wear-documentation and Orthodontic Appliance Compliance Orthodontic Appliance Complication | N/A | 2022-03-10 |
| Recruiting | PErsonalized TReatment for Endometrial Carcinoma Endometrial Adenocarcinoma | N/A | 2022-02-08 |
| Recruiting | Systems Oncology Approach to Optimize Ovarian Cancer Treatment Ovarian Cancer | — | 2022-01-01 |
| Completed | Let´s Talk About Children Intervention in a School Context Children's Wellbeing, Child Overall Health Related Quality of Life, Burnout | N/A | 2021-09-27 |
| Unknown | Innovative Tools to Produce Legume-based Foods for Increased Consumer Acceptance IBS - Irritable Bowel Syndrome | N/A | 2021-09-06 |
| Completed | Technology-assisted Upper Extremity Rehabilitation in Subjects with Incomplete Cervical Spinal Cord Injury Spinal Cord Injuries | N/A | 2021-04-12 |
| Unknown | Effects of Replacing Red Meat With Legumes on Biomarkers of Chronic Diseases in Healthy Men (Leg4Life) Colorectal Cancer, Cardiovascular Diseases, Type2 Diabetes | N/A | 2020-09-25 |
| Unknown | Recovery After Critical Covid-19 Infection Covid-19 | — | 2020-08-01 |
| Completed | Connection Between Periodontitis and Exudative Age-related Macular Degeneration Periodontitis | N/A | 2020-01-01 |
| Completed | Vitamin D Intervention in Infants - 6 Years Follow-up (VIDI2) Bone Strength, Growth, Body Composition | — | 2019-11-01 |
| Completed | Pilot Study: The Effectiveness of a Mobile Application in Increasing Vegetable Acceptance Healthy Nutrition, Eating Behavior | N/A | 2019-09-01 |
| Unknown | Biodiversity Intervention and Atopic Sensitization Atopy, Allergy, Allergic Rhinitis | N/A | 2019-03-25 |
| Completed | NiaMIT Continuation With Early-stage Mitochondrial Myopathy Patients Mitochondrial Myopathies | N/A | 2019-02-11 |
| Active Not Recruiting | Newborn Screening for Genetic Susceptibility to Type 1 Diabetes and Celiac Disease and Prospective Follow-up S Type1diabetes, Celiac Disease | — | 2018-11-19 |
| Unknown | Psilocybin and Depression Severe Depression | Phase 2 | 2018-09-01 |
| Unknown | MIndfulness for Students Well-being, Functional Ability, Stress | N/A | 2018-08-22 |
| Unknown | Sleep, Stress and Learning: an Experimental Pilot Study Stress, Sleep | N/A | 2018-06-01 |
| Completed | Effect of Modified Playground Environment on Health, Particularly Immune System Atopic Disorders, Immune System Diseases | N/A | 2018-04-15 |
| Completed | Nature Walks or Exercise as a Group Activity, the Effect Well-being, Sleep and Activity. Health Promotion, Multimorbidity | N/A | 2018-03-01 |
| Completed | Choir Singing in Aphasia Rehabilitation Stroke, Aphasia | N/A | 2018-01-01 |
| Completed | Markers of Inflammation and Metabolism in the ER Acute Infection, Sepsis | — | 2017-12-15 |
| Completed | The Effect of Zinc Acetate Lozenges on the Rate of Recovery From the Common Cold Common Cold, Respiratory Tract Infections | N/A | 2017-12-01 |
| Unknown | Healthcare Transition of Adolescents With Chronic Health Conditions Transition, Diabetes, Kidney Diseases | — | 2017-09-01 |
| Unknown | Chairside Mouthrinse Test and Cost Effectiveness Periodontitis, Juvenile | N/A | 2017-09-01 |
| Completed | Who Benefit From School Doctors' Health Checks? School Health Services | — | 2017-08-22 |
| Terminated | Brief Intervention for ICU Patients with Alcohol Use Disorders Alcohol Use Disorder, Critically Ill | N/A | 2017-03-30 |
| Completed | Effect of Plant and Animal Proteins on Biomarkers of Colorectal Cancer and Type 2 Diabetes in Healthy Adults ( Colorectal Cancer, Type2 Diabetes | N/A | 2016-11-29 |
| Unknown | SleepHelsinki! CIRCADIAN SLEEP REGULATION IN ADOLESCENCE Sleep Disorder Circadian Rhythm, Delayed Sleep Phase Type | N/A | 2016-11-01 |
| Unknown | Effect of Vegetation in Kindergartens on the Immune Response of Children Ige Responsiveness, Atopic | N/A | 2016-04-01 |
| Completed | Motivation Makes the Move! Obesity, Cardiovascular Diseases, Physical Conditioning | N/A | 2016-04-01 |
| Completed | Effect of Microbial Exposure on Health, Particularly Immune System Immune System Disorders | Phase 1 | 2016-03-01 |
| Unknown | Health and Early Life Microbiota Child Development, Growth, Allergy | — | 2016-02-26 |
| Completed | Snuff Use, Smoking, Periodontal Health and Premature Death: 30-year Study Tobacco Use, Periodontitis | — | 2016-01-01 |
| Completed | Snuff Use, Smoking, Periodontitis and Mortality: 30-year Cohort Study From Sweden Tobacco Use, Periodontitis | — | 2016-01-01 |
| Unknown | Adalimumab in Alleviating Inflammation in Patients With Axial Spondyloarthritis Ankylosing Spondyloarthritis | Phase 4 | 2016-01-01 |
| Completed | Development of a Coordinated, Community-Based Medication Management Model for Home-Dwelling Aged in Primary Ca Drug Therapy, Combination, Inappropriate Prescribing, Polypharmacy | N/A | 2015-09-01 |
| Completed | Finnish Tennis Elbow Trial Pilot Study Tennis Elbow | — | 2015-08-01 |
| Unknown | Speech and Short-term Memory Functions in Dyslexia: a Combined MEG and EEG Study Dyslexia | — | 2015-07-01 |
| Completed | Randomised Open-label Multicenter Study Evaluating Ciprofloxacin in Severe Alcoholic Hepatitis Alcoholic Hepatitis, Alcoholic Cirrhosis | EARLY_Phase 1 | 2015-04-01 |
| Unknown | The Glycemic and Insulinemic Responses Elicited by Meals Containing Whole Grain Rye Bread or White Wheat Bread Blood Glucose Concentration | N/A | 2015-03-01 |
| Completed | The Effect of Pork With Modified Fat Composition and Berries on Plasma Fatty Acids and Fecal Compounds in Heal Cardiovascular Diseases | N/A | 2014-09-01 |
| Completed | Marwo-D Research -Need for Vitamin D in Different Population Groups Serum 25-hydroxyvitamin D Concentrations (25OHD) | N/A | 2014-09-01 |
| Completed | Weight Loss and Adipose Tissue Metabolism During Conservative Treatment of Obesity Obesity & Overweight, Obesity (Disorder) | — | 2014-08-19 |
| Completed | Niacin Supplementation in Healthy Controls and Mitochondrial Myopathy Patients Mitochondrial Myopathies | N/A | 2014-06-01 |
| Completed | Efficacy and Neural Basis of Music-based Neurological Rehabilitation for Traumatic Brain Injury Traumatic Brain Injury (TBI) | N/A | 2014-03-01 |
| Unknown | Effects of Overfeeding Followed by Weight Loss on Liver Fat Content and Adipose Tissue Inflammation NAFLD | N/A | 2014-02-01 |
| Completed | The BreaD Study - Bio-availability of D2 Vitamin Present in Bread Serum 25-hydroxyvitamin D Concentrations (25OHD) | N/A | 2014-01-01 |
| Completed | Can Singing Kangaroo Improve Outcome of Preterm Infants Neurocognitive Dysfunction, Language Development | N/A | 2013-05-03 |
| Completed | Early Dietary Intervention and Later Signs of Beta-Cell Autoimmunity Diabetes Mellitus, Type 1 | N/A | 2013-01-01 |
| Completed | The Effects of Dark Chocolate on Blood Pressure in Individuals With Mildly Elevated Blood Pressure Blood Pressure | N/A | 2012-11-01 |
| Completed | Melatonin and Glucose Tolerance Among Individuals With a Variant of the MTNR1B Gene Diabetes, Glucose Tolerance | Phase 3 | 2012-11-01 |
| Completed | Slow Initial β-lactam Infusion With High-dose Paracetamol to Improve the Outcomes of Childhood Bacterial Menin Bacterial Meningitis | Phase 4 | 2012-02-01 |
| Completed | Effect of Hula Hooping as Compared to Walking on Adipose Tissue Distribution, Metabolic Parameters and Adipose Android Obesity, Metabolic Parameters and Adipose Tissue (AT) Gene Expression | N/A | 2011-11-01 |
| Completed | Percutaneous Endoscopic Gastrostomy in Hands of ORL-HN Surgeon Head and Neck Cancer, Percutaneous Endoscopic Gastrostomy, Complication | — | 2011-10-01 |
| Completed | KTP Green Light Prostatectomy Compared With Open Prostatectomy BPH (Benign Prostatic Hyperplasia) | Phase 4 | 2011-09-01 |
| Completed | The Effects of Breakfast on Mental Workload Healthy Subjects | N/A | 2011-09-01 |
| Completed | Complication Registry for Tonsil Surgery Tonsillar Surgery Complications | — | 2011-09-01 |
| Completed | The Effects of Dietary Factors on Physiological Subjective Stress Responses Chronic Stress | N/A | 2011-09-01 |
| Terminated | The Effect of the Timing of Postoperative Mobilisation After Locking Plate Osteosynthesis of Fractures of the Humeral Fracture | N/A | 2011-05-01 |
| Unknown | KTP Green Light Prostatectomy Compared With TUR-P in High Risk Patients BPH (Benign Prostatic Hyperplasia) | N/A | 2011-03-01 |
| Completed | Effects of Plant Stanol Esters on Blood Flow Atherosclerosis | N/A | 2011-02-01 |
| Completed | KTP (Potassium-titanyl-phosphate) Laser Versus TUR-P (Transurethral Resection of Prostate) BPH (Benign Prostatic Hyperplasia) | N/A | 2011-01-01 |
| Terminated | Proximal Humeral Comminuted Fractures in the Elderly - PERCELE Trial Humeral Fracture | N/A | 2010-11-01 |
| Completed | Diet and Nutritional Status of Adolescent Girls in Zambézia, Mozambique Nutritional Status, Diet | — | 2010-01-01 |
| Unknown | The Potential of Candesartan to Retard the Progression of Aortic Stenosis Aortic Valve Stenosis | Phase 3 | 2009-05-01 |
| Completed | Duodenal Levodopa Infusion, Quality of Life and Autonomic Nervous System in Parkinson's Disease Parkinson's Disease | Phase 4 | 2009-04-01 |
| Completed | Plasma Pharmacokinetics of Alkylresorcinol Metabolites; New Candidate Biomarkers for Whole Grain Rye and Wheat Kinetics of Alkylresorcinol Metabolites | — | 2009-03-01 |
| Completed | Plant Stanol Ester Beverage and Ileostoma Patients Ileostoma | N/A | 2009-02-01 |
| Completed | Effect of Prime Solution on Fluid Balance After Open Heart Surgery Valve Surgery, Coronary Artery Bypass Grafting | Phase 4 | 2009-01-01 |
| Completed | Bronchial Hyperreactivity in Atopic Dermatitis Patients - a 10 Year Follow-up Atopic Dermatitis | — | 2008-11-01 |
| Unknown | Dietary Phytosterols and Human Aortic Valve Hypercholesterolemia, Atherosclerosis | N/A | 2008-04-01 |
| Completed | Rye Bread Trial; Antioxidative and Cholesterol Lowering Effects Hypercholesterol | Phase 2 | 2008-02-01 |
| Completed | Pretreatment Assessment of Oropharynx Ans Soft Palate Radiofrequency Surgery - a Multi-center Study Snoring | N/A | 2008-01-01 |
| Completed | Noninvasive Neuromonitoring of Surgery of the Thoracic Aorta Cardiopulmonary Arrest, Aortic Aneurysm, Thoracic, Aortic Diseases | — | 2007-09-01 |
| Completed | Mild Hypothermia in Acute Ischemic Stroke Brain Ischemia | Phase 2 | 2007-07-01 |
| Completed | Sedation Monitoring Using Frontal Electroencephalogram, Electromyogram and Hemodynamic Responses to Pain in Cr Electroencephalography, Critical Care, Electromyography | — | 2007-05-07 |
| Completed | Microbiologic Findings of Acute Facial Palsy in Children Facial Paralysis | — | 2007-05-01 |
| Completed | Montelukast as a Controller of Atopic Syndrome Seasonal Allergic Rhinitis, Allergic Conjunctivitis, Atopic Eczema | Phase 4 | 2007-03-01 |
| Completed | Influence of a New Polycationic Disinfectant on Clostridium Difficile Incidence and Environmental Colonisation Clostridium Difficile | N/A | 2007-02-01 |
| Completed | Comparison of Hip Resurfacing and Cementless Metal-on-metal Total Hip Arthroplasty Hip Osteoarthritis | Phase 4 | 2006-11-01 |
| Completed | Oral Vitamin D Supplementation in Elderly Women Optimal Vitamin D Administration | N/A | 2006-10-01 |
| Unknown | Combined CABG and Stem-Cell Transplantation for Heart Failure Heart Failure, Myocardial Infarction, Coronary Artery Disease | Phase 2 | 2006-10-01 |
| Unknown | Genetic Predisposition of Coronary Artery Disease -- The COROGENE-Study Coronary Disease, Inflammation | — | 2006-06-01 |
| Completed | The Influence of Dietary Plant Sterols and Plant Stanols on Cholesterol and Plant Sterol Levels in Atheromatou Atherosclerosis | N/A | 2006-05-01 |
| Completed | Neuromonitoring of Hepatic Encephalopathy Liver Failure, Acute, Hepatic Encephalopathy | — | 2005-12-01 |
| Completed | Treatment of Refractory Adult-onset Still's Disease With Anakinra: a Randomized Study Adult-Onset Still's Disease | Phase 2 | 2005-12-01 |
| Completed | Qingdao Diabetes Prevention Project Type 2 Diabetes | N/A | 2005-12-01 |
| Completed | Percutaneous Endoscopic Gastrostomy Tube Placement by Otorhinolaryngologist Dysphagia | — | 2005-09-01 |
| Completed | Lactobacillus Rhamnosus in Prevention of Chemotherapy-related Diarrhoea Colorectal Cancer | N/A | 2005-09-01 |
| Completed | Comparison of Vascular Findings Between Symptomatic and Asymptomatic Postmenopausal Women Before and During Ho Postmenopausal Vasomotor Symptoms, Cardiovascular Disease | N/A | 2005-08-01 |
| Unknown | Operative or Conservative Treatment for Subacromial Impingement Syndrome? Subacromial Impingement Syndrome | N/A | 2005-02-01 |
| Completed | The Effect of Valproate on Benzodiazepine Withdrawal Severity Substance Withdrawal Syndrome | N/A | 2005-02-01 |
| Completed | PTK787/ZK222584 in the Treatment of Metastatic Gastrointestinal Stromal Tumors Resistant to Imatinib Sarcoma | Phase 2 | 2004-09-01 |
| Completed | The Effect of Montelukast Treatment in Wheezy Infants Lung Disease, Obstructive, Signs and Symptoms, Respiratory | Phase 4 | 2004-09-01 |
| Completed | Autonomic Nervous Activity in Women With Gestational Diabetes Gestational Diabetes | — | 2004-08-01 |
| Unknown | Randomized, Multicenter Trial Comparing TVT With TVT-O for Treatment of Female Urinary Incontinence Urinary Stress Incontinence | Phase 3 | 2004-04-01 |
| Unknown | TNF-blocking Therapy in Combination With Disease-modifying Antirheumatic Drugs in Early Rheumatoid Arthritis Rheumatoid Arthritis | Phase 4 | 2003-03-01 |
| Unknown | Sex Steroids in Sjögren's Syndrome: Effect of Substitution Treatment on Fatigue Sjogren's Syndrome | Phase 4 | 2003-02-01 |
| Terminated | Bypass or Thurpass for Superficial Femoral Artery Occlusion? Scandinavian Thurpass Study Femoral Artery Occlusion | N/A | 2003-01-01 |
| Completed | Maintenance Programme After Weight Loss Weight Loss, Morbid Obesity | N/A | 2002-08-01 |
| Completed | TRIGR - Primary Prevention Study for Type 1 Diabetes in Children at Risk Diabetes Mellitus, Type 1 | N/A | 2002-05-06 |
| Completed | Low Molecular Weight Heparin and/or Aspirin in Prevention of Habitual Abortion Habitual Abortion | Phase 3 | 2002-01-01 |
| Unknown | Managing Non-acute Low Back Symptoms in Occupational Health: Two Trials Low Back Pain, Recurrent, Low Back Pain | N/A | 2001-09-01 |
| Unknown | The Dose of Radioactive Iodine Needed to Ablate the Thyroid Remnant Left Behind After Thyroidectomy Thyroid Neoplasms | Phase 3 | 2000-01-01 |
| Unknown | Use of Probiotic Bacteria in Prevention of Allergic Disease in Children 1999-2008 Atopic Dermatitis, Food Hypersensitivity, Allergic Rhinitis, Seasonal | Phase 2 / Phase 3 | 1999-10-01 |
| Completed | Combination Therapy With Fluoroquinolone in Staphylococcus Aureus Bacteremia Staphylococcus Aureus, Bacteremia, Endocarditis | — | 1999-01-01 |
| Completed | Effectiveness of an Educational Program in the Prevention of Osteoporosis and Fractures Fractures, Osteoporosis | N/A | 1996-01-01 |
| Completed | Nutritional Prevention Pilot Trial for Type 1 Diabetes Type 1 Diabetes Mellitus | Phase 2 | 1995-02-01 |
| Completed | Hysterectomy and Levonorgestrel Releasing Intrauterine System (LNG-IUS) in the Treatment of Menorrhagia Menorrhagia | Phase 3 | 1994-10-01 |
| Completed | Study of Long-Term Antibiotic Treatment in Reactive Arthritis Reactive Arthritis | N/A | 1993-11-01 |