| Suspended | Addressing COVID-19 Vaccine Hesitancy With Muliti-Level Interventions in Appalachia NCT06505993 | Marc Kiviniemi | N/A |
| Not Yet Recruiting | Effect of Primary Care Education on Parents' Health-Related Perceptions and Attitudes NCT07381088 | Yuzuncu Yil University | N/A |
| Active Not Recruiting | Predicting Vaccine Hesitancy Using Machine Learning NCT06988969 | University of Yalova | — |
| Recruiting | Improving Vaccine Acceptance Through EHR Integrated Patient- and Provider-Facing Decision Support NCT06482450 | Johns Hopkins Bloomberg School of Public Health | N/A |
| Withdrawn | Thimble Mindfulness App and Recovery Patch Descriptions NCT05980247 | Bianca Edison | N/A |
| Recruiting | Active Health Education to Increase HPV Vaccine Coverage in Youth: A Stepped-wedge, Cluster, and Randomized Tr NCT06513494 | Hospital Israelita Albert Einstein | N/A |
| Completed | Communication Strategies to Increase HPV Vaccination Intention NCT06784960 | University of Pennsylvania | N/A |
| Recruiting | Vaccine Confidence Study Among Historically Marginalized Racial and Ethnic Groups NCT06639386 | Boston Medical Center | — |
| Completed | Impact of Supportive Vaccine Communication on Vaccine Desicion Processes NCT06680414 | Artvin Coruh University | N/A |
| Not Yet Recruiting | A Survey of Acceptance and Factors Associated With Hesitancy Vaccination in Northeast Brazil NCT06675721 | Centro De Estudos E Pesquisas Em Molestias Infecciosas | — |
| Completed | ACTIVATE in Public Housing NCT06075732 | Charles Drew University of Medicine and Science | N/A |
| Not Yet Recruiting | The Impact of Community and Patient Engagement Practices on Vaccine Confidence in the United States NCT06374134 | Tufts University | — |
| Completed | Dengue Vaccine Hesitancy Among International Travelers NCT06418854 | Mahidol University | N/A |
| Completed | Brief Digital Intervention to Increase COVID-19 Vaccination Among Individuals With Anxiety or Depression NCT06119854 | City University of New York, School of Public Health | N/A |
| Terminated | Multilevel Intervention of COVID-19 Vaccine Uptake Among Latinos NCT06156228 | San Diego State University | N/A |
| Active Not Recruiting | Supporting CHWs as Vaccine Educators: Impact of a Digital Training and Chatbot Intervention on Vaccination in NCT06237374 | Stanford University | N/A |
| Completed | Culturally and Linguistically Appropriate Vaccine Education NCT06186206 | University of California, San Francisco | N/A |
| Completed | Building Engagement Using Financial Incentives Trial - Colorectal Cancer Screening NCT06124131 | Tulane University | N/A |
| Terminated | Motivational Interviewing for Vaccine Uptake in Latinx Adults NCT06062056 | Boston College | N/A |
| Completed | Chatbot-based Intervention to Promote Vaccine Acceptance in Varansi, India NCT05994820 | Johns Hopkins Bloomberg School of Public Health | N/A |
| Completed | COVID-19 Vaccination Hesitancy in Adults With Sickle Cell Disease NCT05998824 | Duke University | N/A |
| Completed | COVID-19 Vaccination Willingness in Older Adults Based on Self-determination Theory NCT06575114 | Jing-Shan Deng | N/A |
| Unknown | Advancing Vaccine Equity Through Understanding Vaccine Hesitancy, Barriers, and Trust NCT05537714 | East Carolina University | — |
| Completed | COVIDVaxStories: Randomized Trial to Reduce COVID-19 Vaccine Hesitancy in Populations of Color NCT06297876 | University of Massachusetts, Worcester | N/A |
| Active Not Recruiting | RADx-UP Phase 3D (Oregon Saludable: Juntos Podemos) NCT05910879 | University of Oregon | N/A |
| Completed | Testing The Effectiveness Of Two Interventions To Reduce Vaccine Hesitancy Among Adolescents NCT06155877 | Centre National de la Recherche Scientifique, France | N/A |
| Unknown | A CHW Intervention to Identify and Decrease Barriers to COVID 19 Testing & Vaccination NCT05473936 | Charles Drew University of Medicine and Science | N/A |
| Unknown | Testing a Personalized Normative Feedback Intervention for Vaccine Hesitancy NCT05787015 | University of Washington | N/A |
| Completed | The Impact of a Web-based Psychoeducation Programme with a Motivational AI Chatbot on Covid-19 Vaccine Hesitan NCT05531058 | The Hong Kong Polytechnic University | N/A |
| Completed | Precision Vaccine Promotion in Underserved Populations NCT05537441 | University of Southern California | N/A |
| Completed | COVID-19 Vaccine Education at the Point of Testing to Increase Vaccine Uptake in Vulnerable Communities in SE NCT04939506 | Xavier University of Louisiana. | N/A |
| Completed | Messaging Strategies to Increase Peer Education on COVID-19 Vaccination and Climate Change NCT05530044 | Johns Hopkins Bloomberg School of Public Health | N/A |
| Completed | Improving Pediatric COVID-19 Vaccine Uptake Using an mHealth Tool NCT05386355 | IDeA States Pediatric Clinical Trials Network | N/A |
| Completed | Intervention to Promote Childhood Vaccinations and Influence Vaccination Attitudes NCT05425823 | Necmettin Erbakan University | N/A |
| Completed | Investigation on the Hesitancy of COVID-19 Vaccination Among Liver Transplant Recipients in China NCT05532592 | RenJi Hospital | — |
| Completed | COVID-19 Vaccine Hesitancy Among Nurses NCT05212974 | National Taiwan University Hospital | — |
| Terminated | PROmotion of COvid-19 VA(X)Ccination in the Emergency Department - PROCOVAXED NCT05142332 | University of California, San Francisco | N/A |
| Unknown | Emphasizing the Personal Versus the Social in Educational Interventions For Decreasing Vaccine Hesitancy NCT05120817 | National Research University Higher School of Economics | N/A |
| Terminated | Trusted Messenger Intervention NCT05167422 | Dartmouth-Hitchcock Medical Center | N/A |
| Completed | Increasing Vaccine Uptake Among Adolescents in the Rural South NCT04999267 | Duke University | N/A |
| Completed | Educational Videos to Address Vaccine Hesitancy in Childhood Immunization NCT05390697 | Indonesia University | N/A |
| Completed | The Effect of Newspaper Reporting on COVID-19 Vaccine Hesitancy: a Randomised Controlled Trial NCT05582564 | University of Bari Aldo Moro | N/A |
| Unknown | Role of mHealth-based Interventions Including Social Media to Improve Childhood Immunization Coverage During C NCT05042011 | Aga Khan University | — |
| Completed | COVID-19 Disease & Vaccine Survey in Africa NCT05950243 | Salem Anaesthesia Pain Clinic | — |
| Unknown | Difference Between Patient Vaccine Hesitancy and Perception by Their Family Physician of Their Vaccine Hesitan NCT04313816 | University Hospital, Grenoble | — |
| Completed | Motivational Interviewing and Vaccine Hesitancy in Children NCT03934008 | Cedarville University | — |
| Completed | Healthy, Immunized Communities Study NCT03854734 | Milton S. Hershey Medical Center | N/A |
| Completed | Public Health Messages to Address Vaccine Hesitancy NCT03395106 | University of Manitoba | N/A |
| Completed | Testing Messages to Promote HPV Vaccination NCT05206669 | University of Colorado, Denver | N/A |
| Completed | Educational Intervention to Improve Vaccine Acceptance NCT01385501 | Vanderbilt University | N/A |
| Completed | Vaccine Hesitancy: A Survey of Pediatric Clinicians NCT01098825 | Children's Mercy Hospital Kansas City | — |