Completed NA INTERVENTIONAL 2-arm NCT04653974

Pain Perception of Needle-free System

Comparative Evaluation of Pain Perception With a New Needle-Free System and Dental Injection in Children: A Randomized Clinical Trial

Sponsor: Tokat Gaziosmanpasa University

Conditions Anxiety Dental Fear Local Anesthesia Needle Phobia Pain

Interventions Needle-free injection

Updated 4 times since 2021 Last updated: Dec 20, 2020 Started: Mar 11, 2019 Primary completion: Aug 5, 2019 Completion: Aug 5, 2019

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT04653974, this NA trial focuses on Anxiety and Dental Fear and remains completed. Sponsored by Tokat Gaziosmanpasa University, it has been updated 4 times since 2019, reflecting limited change activity. Mental health research at this phase helps define safety and dosing parameters for future study.

Status Flow

Change History

4 versions recorded

Sep 2025 — Present [monthly]

Completed NA
Sep 2024 — Sep 2025 [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
Jan 2021 — Jul 2024 [monthly]

Completed NA

First recorded

Mar 2019

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Tokat Gaziosmanpasa University

Data source: Tokat Gaziosmanpasa University

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Tokat Province, Turkey (Türkiye)