# Improving Physician Vaccine Recommendation Using Social Norms, Trust, and Presumptive Language

> **NCT05957393** · NA · COMPLETED · sponsor: **Duke University** · enrollment: 447 (actual)

## Conditions studied

- Healthy

## Interventions

- **OTHER:** Quantity of vaccination recommendations
- **OTHER:** Quality of vaccination recommendations
- **OTHER:** Control

## Key facts

- **NCT ID:** NCT05957393
- **Lead sponsor:** Duke University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2023-09-21
- **Primary completion:** 2024-04-24
- **Final completion:** 2024-04-24
- **Target enrollment:** 447 (ACTUAL)
- **Last updated:** 2024-05-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05957393

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05957393, "Improving Physician Vaccine Recommendation Using Social Norms, Trust, and Presumptive Language". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT05957393. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
