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Clinical Trial Summary

Actinic cheilitis is a major potentially carcinogenic disorder of the lower lip and several reports of clinical cases with excellent results for the treatment of this lesion that can differentiate to squamous cell carcinoma of the lip. However, clinical trials are lacking to define the optimal dosage of the drug for a therapeutic modality and to define its true efficacy in controlled studies of this pre-malignant labial lesion.


Clinical Trial Description

Squamous cell carcinoma is the most common malignant neoplasm in the head and neck region, and when present in the lower lip, it is usually associated with prolonged exposure to UV radiation of lip vermilion surface especially in white patients (patients with genodermatosis such as xeroderma pigmentosum have extreme sensitivity to UV radiation, characterized by an even higher risk and patients presenting radiodermatites that can evolve to squamous cell carcinoma). Ingenol mebutate is a natural medicine derived from the sap of the pepense euphoria and much used for its medicinal properties.

The objective of this study was to determine the toxicity profile and the maximum tolerated dose (MTD) of ingenol mebutate for treatment of actinic cheilitis in patients of the Oncology Dermatology Session of the National Cancer Institute of Brazil (INCA) through a phase 1 clinical trial of type 3 + 3 and to determine the therapeutic response with a dose below the maximum tolerated dose (MTD) of metamato of ingenuity, for the treatment of aortic cheilitis in patients of the Oncology Dermatology Session of the National Cancer Institute (INCA) through a prospective clinical trial and phase randomized trial (phase 2).

Actinic cheilitis is a major potentially carcinogenic disorder of the lower lip and several reports of clinical cases with excellent results for the treatment of this lesion that can differentiate to squamous cell carcinoma of the lip. However, clinical trials are lacking to define the optimal dosage of the drug for a therapeutic modality and to define its true efficacy in controlled studies of this pre-malignant labial lesion. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03452566
Study type Interventional
Source Instituto Nacional de Cancer, Brazil
Contact
Status Withdrawn
Phase Phase 1/Phase 2
Start date February 2020
Completion date April 2022

See also
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Completed NCT02198469 - Study of Methyl Aminolaevulinate Photodynamic Therapy With and Without Er:YAG Laser in Actinic Cheilitis Phase 1
Completed NCT02409732 - Photodynamic Therapy (PDT) With Levulan and Blue Light for the Treatment of Actinic Cheilitis Phase 4