| Completed | Using Conversational AI to Teach Growth Mindset Skills to Youths in India Youth Mental Health, Anxiety, Depression | N/A | 2025-11-03 |
| Withdrawn | Brief Interventions on Social Media to Reduce Suicide Risk (Intervention 2) Stigma, Social, Mental Health Issue | N/A | 2024-10-01 |
| Completed | First Tones: Artistic Communal Practices for 4 and 5 Year Old Children Mental Health | N/A | 2024-02-26 |
| Completed | Testing the Effects of Project Calm in Ukrainian Schools Trauma, Anxiety, Depression | N/A | 2024-01-16 |
| Terminated | Brief Interventions on Social Media to Reduce Suicide Risk (Intervention 1) Distress, Emotional, Suicide | N/A | 2023-11-20 |
| Terminated | Brief Interventions on Social Media to Reduce Suicide Risk (Intervention 3) Suicide, Distress, Emotional | N/A | 2023-11-20 |
| Completed | The Ukrainian Student Problem Solving Project Trauma, Anxiety, Depression | N/A | 2023-10-15 |
| Unknown | A Mindful Community for People With ALS and Their Primary Caregivers Amyotrophic Lateral Sclerosis, Caregiver Burden | N/A | 2023-10-12 |
| Completed | Project THINK: Trial of a Brief Cognitive Restructuring Intervention Anxiety, Depression, Stress | N/A | 2023-03-01 |
| Completed | Music-based Mindfulness Intervention for Elevated Race-based Anxiety in the Black Community Anxiety | N/A | 2023-01-16 |
| Recruiting | Digital Single Session Intervention for Youth Mental Health Anxiety, Depression, Conduct Disorder | N/A | 2022-09-05 |
| Completed | iWellness Study to Evaluate a Mental Health App for Students Depression, Anxiety | N/A | 2022-02-24 |
| Withdrawn | Mindfulness Intervention and Symptom Variability in Hearing Hearing Loss | N/A | 2021-11-01 |
| Active Not Recruiting | Testing FIRST in Youth Outpatient Psychotherapy Anxiety, Depression, Trauma | N/A | 2021-09-27 |
| Completed | Patient Perceptions of Physician Education and Quality by Race Racism, Bias, Racial | N/A | 2021-08-19 |
| Completed | Willingness to Participate in Clinical Trials Among Black and African Americans Researcher-Subject Relations | N/A | 2021-06-07 |
| Completed | StriveWeekly Online Mental Health Trial Post-pandemic Anxiety, Depressive Symptoms, Stress, Emotional | N/A | 2021-05-19 |
| Completed | Project SOLVE: Trial of a Brief Digital Problem-solving Intervention Anxiety, Depression, Stress | N/A | 2021-03-15 |
| Completed | Digital Narrative Bibliotherapy as a Scalable Intervention for Suicidal Thoughts Suicidal Ideation | N/A | 2020-11-20 |
| Completed | Minnesota COVID-19 Testing Project Covid19, Infectious Disease | N/A | 2020-09-28 |
| Completed | Persuasion in Medicine: Experimental Evidence on Sender and Signal Effects Flu, Human, Influenza, Human, Covid19 | N/A | 2019-12-20 |
| Unknown | Real-time Intervention for Suicide Risk Reduction Suicide, Attempted, Suicide and Self-harm | N/A | 2019-07-29 |
| Active Not Recruiting | Innovative Family Prevention With Latino Siblings in Disadvantaged Settings Promotion of Positive Sibling Relationships | N/A | 2018-09-29 |
| Unknown | Mindful Attention to Variability in Everyday Memory Memory Lapse | N/A | 2018-08-30 |
| Unknown | Mindfully Attending to Pain Sensations Chronic Pain | N/A | 2018-04-20 |
| Completed | Evaluating a Mobile App for Students Seeking Care for Depression and Anxiety at Harvard University Health Serv Depression, Anxiety | N/A | 2018-04-16 |
| Completed | Brief Online Help-seeking Barrier Reduction Intervention Crisis Intervention, Suicide and Depression | N/A | 2017-08-10 |
| Unknown | Attention to Variability During Infertility Infertility, Infertility, Female, Infertility, Male | N/A | 2016-12-05 |
| Completed | Sugar Sweetened Beverage Labeling Support Consumer Behavior | N/A | 2016-10-01 |
| Terminated | Do Taxes Reduce the Purchasing of Soda? Obesity, Diabetes | N/A | 2016-09-01 |
| Completed | Do Warning Labels Decrease Soda Purchasing? Healthy | N/A | 2016-04-01 |
| Completed | Effects of a Single-session Implicit Theories of Personality Intervention on Early Adolescent Psychopathology Anxiety Symptoms, Depressive Symptoms | N/A | 2015-08-17 |
| Completed | An Online Mindfulness Intervention for People With ALS and Their Caregivers Amyotrophic Lateral Sclerosis | N/A | 2015-01-01 |
| Completed | Using Neuroimaging to Understand Children's Mental Health and Treatment Outcomes Anxiety, Depression, Trauma | N/A | 2015-01-01 |
| Completed | Student Outcomes of Integrative Mental Health Services Anxiety, Depression, Trauma | N/A | 2015-01-01 |
| Completed | Study on Mhealth and Reproductive Health in Teens Reproductive Health | N/A | 2014-01-01 |
| Completed | Connecticut Child STEPs Anxiety, Depression, Trauma | N/A | 2013-10-01 |
| Completed | The Power of Curiosity: Leveraging Curiosity to Motivate People to Complete Health Risk Assessments Intention, Exploratory Behavior | N/A | 2013-06-01 |
| Completed | Social Network Interventions in Rural Honduras Malnutrition, Dysentery, Social Transmission of Health Behaviors | N/A | 2012-08-01 |
| Completed | Child STEPS for Youth Mental Health in Maine Sustainability Anxiety, Depression, Trauma | N/A | 2011-09-01 |
| Completed | Lottery Incentives for Moving Obesity, Sedentary Lifestyle | N/A | 2011-03-01 |
| Withdrawn | Incentives for Moving Sedentary Lifestyle; Obesity; General Well-being | N/A | 2011-02-01 |
| Completed | Couples Therapy for Alcoholic Patients Alcoholism | Phase 2 | 2010-11-01 |
| Completed | Testing Strategies for Increasing Exercise Sedentary Lifestyle, Obesity | N/A | 2010-06-01 |
| Withdrawn | Financial Incentives for Increasing Exercise Sedentary Lifestyle, Obesity | N/A | 2010-01-01 |
| Completed | Behavioral Couples Therapy for Female Drug-Abusing Patients Drug Abuse | Phase 2 | 2009-07-01 |
| Completed | Maine Implementation Study - Phase III Anxiety, Trauma, Depression | N/A | 2008-12-01 |
| Unknown | Personal Electronic Health Records in Improving Screening Rates for Colorectal Cancer Colorectal Cancer | N/A | 2005-03-01 |
| Completed | In Utero Capacity Formation and Socio-economic Outcomes Folic Acid Deficiency | — | 2002-04-01 |
| Completed | Community Clinic Test of Youth Anxiety Treatment Anxiety, Depression | N/A | 1998-02-01 |