Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.
NCT03835299 · ClinicalTrials.gov registry record · NA
Addressing Fear and Risk of Vasovagal Reactions Among High School Donors
A NA study, sponsored by Ohio University.
- Completed
- Registry status
- NA
- Development phase
- 4,035
- Enrollment target
NCT03835299: Completed NA study, sponsored by Ohio University.
NCT03835299 is a NA study that has completed, run by Ohio University. The registered enrollment target is 4,035 participants, above the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (187% higher). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT03835299, a NA study, has completed, sponsored by Ohio University.
- COMPLETED
- Registry status
- NA
- Development phase
- 4,035 participants
- Enrollment target
Study Summary
In this study, high school donors will be asked about their blood donation-related fears prior to their donation. Half of the donors reporting fear will be assigned to a brief coping skills intervention.
Primary Outcome
Donor records will be used to track subsequent donation attempts during the follow-up.
Interventions
- BEHAVIORAL Fear Intervention
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 4,035 participants |
| Start Date | 2019-02-15 |
| Est. Completion | 2020-01-15 |
| Phase | NA |
What the finished NCT03835299 record still lists
NCT03835299 is an interventional study that assigns participants to a tested intervention. Its 4,035 participants enrollment target places it among the larger protocols in the corpus, above the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (187% higher).
The record links to 0 conditions, and to 1 intervention - of which Fear Intervention is the first listed.
NCT03835299 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT03835299 about?
NCT03835299 is a clinical study titled "Addressing Fear and Risk of Vasovagal Reactions Among High School Donors". In this study, high school donors will be asked about their blood donation-related fears prior to their donation. Half of the donors reporting fear will be assigned to a brief coping skills intervention.
What is the current status of trial NCT03835299?
This trial is currently completed. It is a NA study. The enrollment target is 4,035 participants. The study started on 2019-02-15. Estimated completion is 2020-01-15.
What interventions are being tested in trial NCT03835299?
The interventions under investigation include: Fear Intervention (BEHAVIORAL).
Who is sponsoring clinical trial NCT03835299?
This trial is sponsored by Ohio University, which has 51 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT03835299's enrollment target sits among peer trials
4,035 32nd of 2000 higher than 1,969 of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
Nationwide trials with similar profiles
Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.
Similar enrollment target
- NCT00227253 · 4,000 participants
Chromosome 18 Clinical Research Center
- NCT00811148 · 4,000 participants
Florida Center for Brain Tumor Research
- NCT00897117 · 4,000 participants
Collecting and Analyzing Tissue Samples From Patients Undergoing Surgery for Non-Small Cell Lung Cancer
- NCT00899301 · 4,000 participants
Collecting and Storing Tissue Samples From Women With or Without Breast Cancer
Similar registry start date
- NCT05962346 · started 2026-12 · NA
Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia
- NCT07125183 · started 2026-12 · Phase 2
Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma
- NCT07292298 · started 2026-11 · Phase 2
Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates
- NCT04263285 · started 2026-10 · NA
Treatment of Depression Post-SCI