Clinical trials: Vaccination Refusal
Vaccination Refusal
Increasing COVID-19 Vaccine Uptake in Developing Countries (Bihar)
Working with governments in Bihar, India, we will evaluate a number of mechanisms to increase vaccine uptake. These include household vaccination visits instead of community vaccination clinic.monetary and non-monetary…
- Trial name
- NCT05225064
- Testing
- Incentives to be vaccinated, Mask, Encouragement to wear a mask
- Where
- India
- Volunteers
- 114,512 people, healthy volunteers welcome
- Sponsor
- Yale University
COVID-19
Discussing COVID-19 Vaccines in Private Facebook Groups
As the COVID-19 pandemic persists, a sizable proportion of the U.S. population remains unvaccinated and at high risk of death and serious illness from COVID-19.
- Trial name
- NCT05422898
- Testing
- Gist messages on COVID-19 vaccination, COVID-19 vaccine information
- Where
- United States
- Volunteers
- 508 people, healthy volunteers welcome
- Sponsor
- George Washington University
Old Age; Debility, Vaccine Hesitancy
COVID-19 Vaccination Willingness in Older Adults Based on Self-determination Theory
Introduction: The COVID-19 vaccine is an effective measure for preventing and controlling COVID-19 epidemics, and the World Health Organization lists older adults as a high-priority group for COVID-19 vaccination.
- Conditions
- Old Age; Debility, Vaccine Hesitancy, Vaccine Refusal
- Trial name
- CVWIOABOSDT (NCT06575114)
- Testing
- Self-determination theory-based health education measures
- Where
- China
- Volunteers
- 264 people, healthy volunteers welcome
- Sponsor
- Jing-Shan Deng
Wellness, Burnout, Caregiver
Evaluating the Impact of Resource Navigators to Support LTC and RH Staff During and Beyond COVID-19
The goal of this clinical trial is to test how well resource navigators help long-term care and retirement home staff access the various health and wellness resources available to them and the effects that this has on their…
- Conditions
- Wellness, Burnout, Caregiver, Burnout, Professional, COVID-19
- Trial name
- NCT05677997
- Testing
- Intervention
- Where
- Canada
- Volunteers
- 123 people, healthy volunteers welcome
- Sponsor
- Unity Health Toronto
Vaccination, Covid19
The Impact of Theory-based Messaging on Covid-19 Vaccination Intentions
Uptake of vaccination against COVID-19 is key to controlling the pandemic. However, a significant proportion of people report that they do not intend to have a vaccine, often because of concerns they have about its side effects…
- Trial name
- NCT04813770
- Testing
- Theory-based messages, General messages
- Where
- United Kingdom
- Volunteers
- 1,113 people, healthy volunteers welcome
- Sponsor
- University of Glasgow
Vaccine Hesitancy
Culturally and Linguistically Appropriate Vaccine Education
The goal of this clinical trial is to test the effectiveness of culturally tailored social media campaigns and WhatsApp-based vaccine training for healthcare workers in increasing childhood routine and HPV vaccine confidence and…
- Trial name
- CLAVE (NCT06186206)
- Testing
- Social media interventions for vaccine uptake
- Where
- Guatemala
- Volunteers
- 900 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Vaccine-Preventable Diseases, Vaccine Refusal
Volatility and Heterogeneity of Vaccine Sentiments Means Continuous Monitoring is Needed When Measuring Message Effectiveness
The success of vaccination programs often depends on the effectiveness of the vaccine messages, particularly during emergencies such as the COVID-19 pandemic.
- Trial name
- NCT05499299
- Testing
- Google ads
- Where
- Hong Kong
- Volunteers
- 127,000 people, healthy volunteers welcome
- Sponsor
- The University of Hong Kong
Vaccination Refusal, COVID-19
Digital Applications to Monitor Novel Coronavirus Disease and Response in Colombia - Syndromic and Vaccination Surveillance
Brief Summary: The main objective of this activity is to assess the effectiveness of different messaging strategies (factual, narrative, mixed and a control) to promote COVID-19 adult vaccination.
- Trial name
- DIAMOND-R (NCT05764174)
- Testing
- Factual messages, Narrative message, Mixed message
- Where
- United States
- Volunteers
- 2,409 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins Bloomberg School of Public Health
Vaccine Uptake
Boosting COVID-19 Vaccination Uptake Using Wastewater Surveillance
Vaccinations are among the most successful and critical public health interventions. Despite the enormous protection that vaccines provide to public health, both delays and refusals of vaccines (vaccine hesitancy) are on the…
- Trial name
- NCT06698497
- Testing
- Communication Campaign
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Syracuse University
Vaccine Hesitancy, Vaccine Acceptance
Development and Evaluation of a Digital Educational Intervention to Improve Vaccine Confidence and Communication Among Registered Nurses: Protocol for a Randomized Controlled Trial (VaxNurse-RCT).
Nurses play an important role in providing vaccine information and supporting informed vaccination decisions. This study will evaluate a digital educational intervention designed for registered nurses in Quebec.
- Trial name
- VaxNurse-RCT (NCT07859579)
- Testing
- Digital educational intervention
- Where
- Canada
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Universite du Quebec en Outaouais
Vaccination Refusal, Communication
Emails Promoting COVID-19 Vaccination Among Healthcare Workers
In this evaluation, two versions of emails will be sent to Geisinger employees who have not been vaccinated against COVID-19. A delayed-contact control group will be emailed after a delay of at least two days.
- Trial name
- NCT04728594
- Testing
- Social Proof, Reframing, Scarcity Message
- Where
- United States
- Volunteers
- 9,566 people, healthy volunteers welcome
- Sponsor
- Geisinger Clinic
Covid19, Vaccine Refusal
VEText Message Framing and Covid-19 Vaccine Uptake Among at Risk Veterans
This is a prospective, randomized controlled trial that will evaluate the effectiveness of two different targeted outreach interventions aimed at increasing Covid-19 vaccine uptake.
- Trial name
- VEText (NCT04805931)
- Testing
- Behavioral economics
- Where
- United States
- Volunteers
- 4,311 people, healthy volunteers welcome
- Sponsor
- VA Puget Sound Health Care System
Vaccination, Hygiene
Microbe-Literacy Germ-Watching Workshops for Hygiene and Vaccine Acceptance in Sargodha, Pakistan
This cluster randomized controlled trial evaluated whether a single microscope-based "germ-watching" workshop, delivered by Lady Health Workers (LHWs) to mothers and female caregivers of children under three years, improves…
- Conditions
- Vaccination, Hygiene, Vaccine Hesitancy, Health Knowledge Attitudes and Practice
- Trial name
- MLI-Sargodha (NCT07771738)
- Testing
- Microbe-literacy germ-watching workshop
- Where
- Pakistan
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- Development Synergies International (Private) Limited
Evaluating Impact of PACV on Vaccine Hesitancy Among Parents of Newborns
Impact of PACV Administration on Vaccine Hesitancy
Our objective is to assess the impact of administering the PACV to parents of newborns. We also sought to assess the prevalence of vaccine hesitancy among parents of newborns in Houston, TX and to characterize the demographics of…
- Trial name
- NCT04450940
- Testing
- PACV survey
- Volunteers
- 1,705 people, healthy volunteers welcome
- Sponsor
- Baylor College of Medicine
Vaccine Hesitancy
COVIDVaxStories: Randomized Trial to Reduce COVID-19 Vaccine Hesitancy in Populations of Color
Pilot randomized controlled trial testing the investigator's previously developed storytelling method to create an interactive, multi-media storytelling intervention to address community-identified reasons for vaccine hesitancy…
- Trial name
- NCT06297876
- Testing
- Storytelling, Learn More (Active Comparator)
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Massachusetts, Worcester
Vaccine Hesitancy
Chatbot-based Intervention to Promote Vaccine Acceptance in Varansi, India
The goal of this clinical trial is to learn compare the efficacy Chatbot messaging directed to parents of infants and children living in unstable urban housing (UUH) in Varansi, India.
- Trial name
- NCT05994820
- Testing
- Happy Baby Programme -Vaccine Campaign, Happy Baby Programme- Vaccine ++ Campaign
- Where
- India
- Volunteers
- 2,058 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins Bloomberg School of Public Health
Vaccination Refusal
An Adaptive Prenatal Intervention to Increase Childhood Vaccinations
This study will test whether proactively connecting expectant parents with factual vaccination information during pregnancy can build confidence in vaccinations and lead to timely vaccinations during pregnancy and once their…
- Trial name
- ADEPT (NCT05795855)
- Testing
- ADEPT
- Where
- United States
- Volunteers
- 770 people, healthy volunteers welcome
- Sponsor
- Emory University
COVID-19, Vaccine Hesitancy
Online Games to Help Canadian and U.S. Adults Identify COVID-19 and Vaccine Misinformation: Three Sequential Randomized Studies
COVID-19 misinformation contributed to vaccine hesitancy and preventable illness. This record covers three sequential randomized studies (conducted in Canada and the United States, November-December 2020) testing whether a brief…
- Conditions
- COVID-19, Vaccine Hesitancy, Health Misinformation, Communication
- Trial name
- NCT07758309
- Testing
- Gamified misinformation refutation quiz, Refutational text (active control)
- Where
- United States
- Volunteers
- 3,637 people, healthy volunteers welcome
- Sponsor
- University of South Carolina
Vaccine Refusal
Understanding and Overcoming the Racial/Ethnic Inequalities in COVID-19 Vaccination Acceptance
With the constant threat of new epidemic waves and the emergence of variants, COVID-19 resilience can only be attained when a sufficient level of immunity is achieved.
- Trial name
- NCT05238428
- Testing
- Trust boost
- Where
- United Kingdom
- Volunteers
- 4,039 people, healthy volunteers welcome
- Sponsor
- University of Essex
HPV Vaccination, Vaccine; Uptake
PREVENT HPV-Related Cancers - BootCamp Translation
This study will serve as one of the first to develop and test the effectiveness of strategies to promote HPV vaccination among diverse rural parents and caregivers of children ages 9-17 years in the Mountain West.
- Conditions
- HPV Vaccination, Vaccine; Uptake, Vaccination; Series Completion
- Trial name
- PREVENT (NCT06290206)
- Testing
- PREVENT - BCT
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of Utah