Completed NA INTERVENTIONAL 2-arm NCT05028335

Effect of 1.5% Potassium Oxalate on the Control of Tooth Sensitivity and Color Change After Home Bleaching

Effect of 1.5% Potassium Oxalate on the Control of Tooth Sensitivity and Color Change After Home Bleaching: a Randomized, Placebo-controlled Clinical Study

Sponsor: Universidade Federal do Para

Conditions Dentin Sensitivity

Interventions Carbamide Peroxide (PC) 22%) + Potassium Oxalate gel 1.5% Carbamide Peroxide (PC) 22%) + placebo gel

Updated 4 times since 2021 Last updated: Dec 5, 2024 Started: Dec 7, 2020 Primary completion: Apr 15, 2021 Completion: Jun 5, 2021

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

Listed as NCT05028335, this NA trial focuses on Dentin Sensitivity and remains completed. Sponsored by Universidade Federal do Para, it has been updated 4 times since 2020, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

Change History

4 versions recorded

Jan 2025 — Present [monthly]

Completed NA
Sep 2024 — Jan 2025 [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
Sep 2021 — Jul 2024 [monthly]

Completed NA

First recorded

Dec 2020

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Universidade Federal do Para

Data source: Universidade Federal do Para

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

Study Locations

• Belém, Brazil