| Active Not Recruiting | Ostrobothnia Digital Clinic Experiment Primary Care Provider | N/A | 2025-04-15 |
| Recruiting | Adolescent Interpersonal Counseling in Primary Care Depressive Symptoms Mild to Moderate in Severity, Major Depressive Disorder | — | 2024-03-25 |
| Active Not Recruiting | Digitally Supported Lifestyle Programme to Promote Brain Health Among Older Adults Cognitive Impairment, Cognitive Decline, Dementia | N/A | 2023-01-30 |
| Completed | Reminders, Cost Sharing, and Healthcare Use Health Care Utilization, Health Care Seeking Behavior, Health Behavior | N/A | 2021-10-01 |
| Recruiting | Youth Experiences and Health Study Psychotic Disorders, Psychiatric Hospitalization, Prodromal Symptoms | — | 2019-12-01 |
| Completed | Herd Immunity and Influenza Vaccine Uptake Influenza, Human | N/A | 2018-10-01 |
| Unknown | Effects of Intranasal Naloxone on Gambling Urges and Craving in Gambling Disorder Pathological Gambling, Gambling Disorder, Opioid Antagonist | Phase 2 | 2018-02-22 |
| Recruiting | Immune Responses in Health Care Personnel Influenza | — | 2017-10-18 |
| Completed | Effect of Antibiotics on Gut Microbiome and Plasma Metabolome Microbial Colonization | Phase 4 | 2017-10-15 |
| Completed | Tobacco Use and COVID-19 Incidence in the Finnish General Population SARS-CoV-2 Infection, Covid19 | — | 2017-10-02 |
| Unknown | Tobacco Use and Uptake of COVID-19 Vaccinations COVID-19, Smoking, Tobacco Use | — | 2017-10-02 |
| Completed | Treatment of Gambling Disorder With Fast Acting Opiate Antagonist, Naloxone Nasal Spray Gambling, Opioid, Naloxone | Phase 2 | 2017-02-14 |
| Completed | Welfare, Wellbeing and Demographic Change: Understanding Welfare Models Ageing | — | 2017-01-01 |
| Completed | Group-based Parenting Program to Reduce Child Conduct Disorder Symptoms in Finland Conduct Disorders in Children | N/A | 2016-06-01 |
| Unknown | Socioeconomic Differences in Alcohol Harm in Finland in a Nationwide Cohort Study Alcohol-Related Disorders | — | 2015-01-01 |
| Completed | Family Welfare Pilot Intervention Study Obesity | N/A | 2013-04-01 |
| Completed | Yhteispeli - Effectiveness Study on Promoting Childrens' Socio-emotional Skills in School Children's Socio-emotional Skills and Psychiatric Symptoms | N/A | 2013-03-01 |
| Suspended | Hand Hygiene Intervention Study in Finnish Garrison Infections | N/A | 2012-01-01 |
| Completed | Health Effects of a Nordic Diet Rich in Plant-based Foods and Fish Prehypertension, Hypertension | N/A | 2011-01-01 |
| Completed | Treatment of Pathological Gambling With Naltrexone Pharmacotherapy and Brief Intervention Pathological Gambling | Phase 4 | 2011-01-01 |
| Completed | Lifestyle Intervention for Toddlers Pilot Study Obesity | N/A | 2010-09-01 |
| Completed | Evaluation of the Effectiveness of Vaccination With 2009 H1N1 Vaccines During Influenza Season 2010-11 Influenza Caused by the 2009 H1N1 Influenza Virus | — | 2010-09-01 |
| Completed | Immunity to Serotype 19A Streptococcus Pneumoniae in Children Vaccinated With PCV10 Pneumococcal Infections | — | 2009-11-12 |
| Completed | Evaluation of Pandemic Vaccination Campaign Influenza Caused by the Novel A(H1N1)v Influenza Virus | — | 2009-11-01 |
| Unknown | Finnish Geriatric Intervention Study to Prevent Cognitive Impairment and Disability Cognitive Impairment, Dementia | N/A | 2009-09-01 |
| Completed | The Effect of Berry Consumption on Indicators of Cardiovascular Disease Risk Blood Pressure, Platelet Function, Inflammation | N/A | 2009-02-01 |
| Completed | STOPFLU: Is it Possible to Reduce the Number of Days Off in Office Work by Improved Hand-hygiene? Respiratory Infection, Gastroenteritis | N/A | 2009-01-01 |
| Completed | Testing Alcohol Only Samples for Drugs and Drugs Only Samples for Alcohol Driving Under the Influence | — | 2008-09-01 |
| Completed | Whole Blood-plasma-oral Fluid Ratios of Psychoactive Drugs and Medicines Driving Under the Influence | — | 2008-05-01 |
| Completed | Oral Fluid Screening Devices Drug-impaired Driving | — | 2008-04-01 |
| Completed | Intervention on Maternal Health Care in Rural China Maternal Health | N/A | 2008-03-01 |
| Terminated | Prevention of Adolescent Major Depression Depressive Disorder | N/A | 2008-03-01 |
| Unknown | Alcohol and Other Psychoactive Substances in Road Traffic - a Case-control Study Prevalence of Psychoactive Substances in Road Traffic, Psychoactive Substances in Accident Involved Drivers, Relative Risk Estimation of Accident Involvement for Impaired Drivers | — | 2007-09-01 |
| Unknown | School Intervention Study of Nutrition, Wellbeing and Dental Health Eating, Oral Health | N/A | 2007-04-01 |
| Completed | Efficacy Study of Memantine Hydrochloride and Escitalopram for the Treatment of Co-Morbid Depression and Alcoh Alcoholism, Depression | Phase 4 | 2005-12-01 |
| Unknown | Determination of Glycemic and Insulinemic Indices Glucose Metabolism | N/A | 2003-01-01 |
| Completed | GOAL Life-Style Change Intervention to Prevent Type 2 Diabetes Obesity, Type 2 Diabetes | Phase 3 | 2003-01-01 |
| Completed | Insulin-free Cow Milk Formula in Prevention of Type 1 Diabetes Associated Autoimmunity - FINDIA Pilot Study Beta-cell Autoimmunity | N/A | 2002-05-01 |
| Completed | Effects of a Comprehensive Intervention on Blood Pressure Control in a Primary Care Setting Hypertension | N/A | 2000-10-01 |
| Completed | Comparative Trial Of Disulfiram, Naltrexone And Acamprosate In The Treatment Of Alcohol Dependence Alcohol Dependence | Phase 4 | 2000-09-01 |
| Completed | Prenatal Care Program in Dingyuan County Prenatal Care | N/A | 2000-08-01 |
| Completed | Efficacy Trial of Two Pneumococcal Conjugate Vaccines (PncCRM and PncOMPC) for Prevention of Acute Otitis Medi Otitis Media, Pneumococcal Infections | Phase 3 | 1995-03-01 |
| Unknown | The Finnish Diabetes Prevention Study Type 2 Diabetes | N/A | 1993-11-01 |