Clinical Trials on Vaccine Refusal

Total 1092 results

McMaster University
Merck Canada Inc.

Recruiting

Assessing Knowledge, Beliefs and Attitudes Toward HPV Vaccination Among Parents in North West, Cameroon

Vaccine Refusal

Cameroon
Children's Mercy Hospital Kansas City

Completed

Vaccine Hesitancy: A Survey of Pediatric Clinicians

Vaccine Hesitancy | Vaccine Refusal

United States
University of Michigan
National Institute of Allergy and Infectious Diseases (NIAID); Shanghai Municipal...

Terminated

Optimizing HPV Vaccine Introduction in Shanghai, China

Vaccine Refusal

China
Chinese University of Hong Kong

Completed

An Online Intervention Promoting HPV Vaccination Among Chinese MSM

Vaccine Refusal

Hong Kong
Stanford University

Active, not recruiting

Supporting CHWs as Vaccine Educators: Impact of a Digital Training and Chatbot Intervention on Vaccination in Kenya

Vaccine Hesitancy | Vaccine Refusal | Vaccine Knowledge

Kenya
Duke University
National Institutes of Health (NIH); National Center for Advancing Translational...

Completed

Development and Testing of ADEPT: A Parent Decision Support for Childhood Vaccinations (ADEPT)

Vaccine Refusal

United States
Balikesir University

Not yet recruiting

The Motivational Interview Teqhnique in Pregnant Women Who Are Hesitant in Childhood Vaccines

Pregnancy Related | Motivation | Vaccine Refusal

Turkey
Centre National de la Recherche Scientifique, France
Université Paris-Dauphine; Fondation La main à la pâte; Direction de l Évaluation...

Completed

Testing The Effectiveness Of Two Interventions To Reduce Vaccine Hesitancy Among Adolescents (Kidivax)

Health Knowledge, Attitudes, Practice | Vaccine Hesitancy | Vaccine Refusal

France
Indonesia University

Completed

Educational Videos to Address Vaccine Hesitancy in Childhood Immunization

Vaccine Hesitancy | Vaccination Refusal

Indonesia
Gozde AKSUCU
Istanbul University - Cerrahpasa (IUC)

Completed

The Effect of Telehealth Service About Childhood Vaccines on Vaccine Attitudes and Vaccination

Vaccination | Vaccine Refusal

Turkey
University of Pennsylvania

Completed

Testing the Persuasiveness of Pro-inoculation Arguments

Vaccine Refusal | Vaccination Hesitancy | Human Papillomavirus Vaccination

United States
William Beaumont Hospitals
Merck Sharp & Dohme LLC

Recruiting

Improving Vaccine Counseling Skills Among Residents Using Educational Modules and Standardized Patient Encounters

Vaccine-Preventable Diseases | Physician-Patient Relations | Vaccine Refusal

United States
University of Alabama at Birmingham

Withdrawn

Clinic-based HPV and COVID-19 Vaccine Promoting Intervention for AfAm Adolescents in Alabama

Vaccine Refusal

United States
The University of Hong Kong

Completed

Volatility and Heterogeneity of Vaccine Sentiments Means Continuous Monitoring is Needed When Measuring Message Effectiveness

Vaccine-Preventable Diseases | Vaccine Refusal

Hong Kong
Wake Forest University Health Sciences

Completed

Promoting Altruism to Enhance Vaccine Acceptance

Vaccine Refusal

United States
Wyeth is now a wholly owned subsidiary of Pfizer

Completed

Study Comparing Prevenar® to Pneumo 23 in Reducing Carriage in Children

Vaccines, Pneumococcal | Vaccines, Pneumococcal Conjugate Vaccine
University of Utah
National Cancer Institute (NCI); Kaiser Permanente; University of Arizona; Sea...

Not yet recruiting

PREVENT HPV-Related Cancers (PREVENT)

Vaccine Hesitancy | HPV Vaccination | Vaccine Refusal | Vaccine; Uptake | Vaccination; Series Completion

United States
Pfizer

Completed

Study to Evaluate 13 Valent Pneumococcal Conjugate Vaccine (13vPnC) Vaccine Followed by 23-valent Pneumococcal Polysaccharide Vaccine (23vPS) Vaccine in Allogeneic Hematopoietic Stem Cell Transplant Recipients

Vaccines, Pneumococcal Conjugate Vaccine

United States, Spain, France, Canada, Germany, Czechia, Sweden, Belgium, Poland, Netherlands
Wyeth is now a wholly owned subsidiary of Pfizer

Completed

Study Evaluating a 13-valent Pneumococcal Conjugate Vaccine in Elderly Subjects

Vaccines, Pneumococcal Conjugate Vaccine

South Africa
Wyeth is now a wholly owned subsidiary of Pfizer

Completed

Study to Evaluate a 13-valent Pneumococcal Conjugate Vaccine in Elderly Subjects

Vaccines, Pneumococcal Conjugate Vaccine
Wyeth is now a wholly owned subsidiary of Pfizer

Completed

Study Evaluating Prevenar Immunogenicity in High Risk Children

Vaccines, Pneumococcal Conjugate Vaccine
Merck Sharp & Dohme LLC

Completed

Safety, Tolerability, and Immunogenicity of Vaxelis™ in Children Previously Vaccinated With Vaxelis™ or Hexyon™ (V419-016)

Vaccines, Combined | Hexavalent Vaccine

Germany, Italy, Spain
Wyeth is now a wholly owned subsidiary of Pfizer

Completed

Study Evaluating 13-valent Pneumococcal Conjugate Vaccine in Healthy Infants in Brazil

Vaccines, Pneumococcal Conjugate Vaccine

Brazil
Wyeth is now a wholly owned subsidiary of Pfizer

Completed

Study Evaluating 13-valent Pneumococcal Conjugate Vaccine in Healthy Japanese Infants

Vaccines, Pneumococcal Conjugate Vaccine

Japan
Wyeth is now a wholly owned subsidiary of Pfizer

Completed

Study Evaluating 13-valent Pneumococcal Conjugate Vaccine in Healthy Infants

Vaccines, Pneumococcal Conjugate Vaccine

Canada
Wyeth is now a wholly owned subsidiary of Pfizer

Completed

Post-Marketing Study of the Safety of Prevenar (Pneumococcal Conjugate Vaccine, 7-valent)

Vaccines, Pneumococcal Conjugate Vaccine

Philippines
Pfizer

Completed

A Phase 3 Trial Evaluating the Safety, Tolerability, and Immunogenicity of a 13-valent Pneumococcal Conjugate Vaccine in Japanese Elderly Adults Aged 65 Years Old and Older

Pneumococcal Vaccines | Pneumococcal Conjugate Vaccine

Japan
Wyeth is now a wholly owned subsidiary of Pfizer

Completed

Study Evaluating A 13-Valent Pneumococcal Conjugate Vaccine Administered to Infants in Taiwan

Vaccines | Pneumococcal Conjugate Vaccine

Taiwan
Xavier University of Louisiana.

Completed

COVID-19 Vaccine Education at the Point of Testing to Increase Vaccine Uptake in Vulnerable Communities in SE Louisiana

Covid19 | Vaccine Hesitancy | Vaccine Refusal

United States
Fudan University
Merck Sharp & Dohme LLC

Withdrawn

Social Media-based Vaccine Confidence and Hesitancy Monitoring

Data Collection | Machine Learning | Patient Acceptance of Health Care | Vaccination Refusal | Internet-Based Intervention | Immunization Programs | Information Dissemination | Social Medium
Meharry Medical College

Recruiting

A Tailored, Health Communication Intervention for HPV Vaccine Hesitant Families

Parents | HPV-Related Carcinoma | Human Papilloma Virus | Vaccine Refusal | Program, Communication

United States
Charles Drew University of Medicine and Science

Completed

Increasing Vaccine Uptake in Underresourced Public Housing Areas

Coronavirus | Vaccine Refusal

United States
Chinese University of Hong Kong

Recruiting

A RCT Evaluating an Online Intervention in Increasing Pneumococcal Vaccination Among Older Adults

Vaccination Refusal

Hong Kong
University of Southern Mississippi
Military Suicide Research Consortium

Enrolling by invitation

Behavioral Economics Intervention to Increase Treatment Seeking in the National Guard (BEAST)

Treatment Refusal

United States
Lokman Hekim Üniversitesi

Completed

Seasonal Influenza and Pneumococcal Vaccination in the Elderly

Pneumonia | Influenza | Immunization; Infection | Vaccine Refusal

Turkey
Emory University

Not yet recruiting

An Adaptive Prenatal Intervention to Increase Childhood Vaccinations (ADEPT)

Vaccination Refusal

United States
MultiCare Health System Research Institute
Merck Sharp & Dohme LLC

Active, not recruiting

Group Intervention on Vaccine Confidence

Vaccination Refusal

United States
Meir Medical Center

Not yet recruiting

Patients Who Were Not Admitted to the Intensive Care Unit: Characteristics and Clinical Outcomes. Retrospective Study

Refusal of ICU Admission

Israel
University of Essex
University of Southern California; Kingston University; Department of Health...

Completed

Understanding and Overcoming the Racial/Ethnic Inequalities in COVID-19 Vaccination Acceptance

Vaccine Refusal

United Kingdom
Public health and reforms Center of Ministry of...
World Health Organization; Ministry of Health of Azerbaijan Republic

Recruiting

Study on COVID-19 Vaccine Effectiveness Among Health Workers in Azerbaijan (VaccEffect)

Covid19 | Vaccine Refusal

Azerbaijan
Tanta University

Completed

A Comparative Evaluation of Nebulized Dexmedetomidine and Nebulized Ketamine as a Premedication in Pediatric Surgeries

Anesthesia Refusal

Egypt
Vanderbilt University Medical Center

Completed

Improving Vaccinations for Young Children (IVY) (IVY)

Vaccination Refusal

United States
Zeev Rosberger

Completed

Exploring Changes in COVID-19 Vaccination Intentions by Prompting Altruistic Motives Using a Video Intervention

Vaccine Refusal

Canada
VA Puget Sound Health Care System

Recruiting

VEText Message Framing and Covid-19 Vaccine Uptake Among at Risk Veterans (VEText)

Covid19 | Vaccine Refusal

United States
Brigham and Women's Hospital
National Institute on Aging (NIA)

Completed

Use of Construal Level Theory to Inform Messaging to Increase Vaccination Against COVID-19

Covid19 | Vaccine Refusal

United States
Meharry Medical College
St. Jude Children's Research Hospital

Enrolling by invitation

COVID-19 Vaccine Hesitancy Among African Americans

Covid19 | Communication | Vaccine Refusal

United States
Ann Davis, PhD, MPH, ABPP
Eunice Kennedy Shriver National Institute of Child Health and Human Development...

Completed

Trial of Amitriptyline for Chronic Oral Food Refusal in Children 9 Months to 8 Years of Age

Chronic Oral Food Refusal

United States
Charles Drew University of Medicine and Science

Withdrawn

Increasing COVID-19, Influenza, and Pneumonia Vaccine Uptake

Pneumonia | Covid19 | Influenza | Vaccine Refusal

United States
University of Oklahoma
National Institutes of Health (NIH); National Institute of General Medical...

Completed

CATCH-UP Vaccines: Engaged Approaches to Testing in Community/Healthcare Settings for the Underserved (COVID-19)

COVID-19 | Vaccine Refusal

United States
Sir Mortimer B. Davis - Jewish General Hospital

Completed

Exploring the Effect of Video Interventions on Intentions for Continued COVID-19 Vaccination

COVID-19 | Vaccine Refusal

Canada

Clinical Trials on Vaccine Refusal

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