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A new photodynamic therapy protocol for nodular basal cell carcinoma treatment: Effectiveness and long-term follow-up. | LitMetric

A new photodynamic therapy protocol for nodular basal cell carcinoma treatment: Effectiveness and long-term follow-up.

Photodiagnosis Photodyn Ther

São Carlos Institute of Physics, University of São Paulo, São Carlos, São Paulo, Brazil; Hagler Fellow, Texas A&M University, College Station Texas, United States of America.

Published: March 2022

AI Article Synopsis

Article Abstract

Background: Photodynamic therapy (PDT) has been reported as an excellent option for the treatment of small nodular basal cell carcinomas (nBCC). The standard protocol consists of two sessions, one week apart. Sometimes, returning to the hospital after one week can be impractical for elderly patients, due to comorbidities and mobility issues. Therefore, a new technique performed in one day could be superior for those patients.

Objective: Evaluate the effectiveness of a PDT Single-visit protocol comparing to the standard protocol, as well as pain and long-term recurrence-free follow-up for nBCC.

Methods: A total of 120 nBCC were treated through a Standard PDT protocol(two sessions, one week apart), and 120 nBCC were treated through a Single-visit PDT(two sessions in one day). A 30-day-after biopsy was performed in order to evaluate the results after the treatment. The lesions that had successful treatment were clinically and dermoscopically evaluated every 6 months up to 60 months. The pain score was compared between the groups(assessed every 3 min during PDT).

Results: A complete response at 30-days-after PDT biopsy was observed in 85% of Standard PDT and in 93.3% of Single-visit PDT. Regarding the pain during the illumination, less pain was observed during the second session of the Single-visit PDT. The recurrence-free follow up showed, after 60 months, an 69.0% cumulative probability of recurrence-free for Standard PDT and 80.6% for Single-visit PDT.

Conclusions: The suggested Single-visit PDT protocol resulted in better outcomes at 30-day-after PDT biopsy and in lower recurrence rates than the Standard PDT protocol. A more comfortable and more efficient treatment was offered for the patients, with lower pain.

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Source
http://dx.doi.org/10.1016/j.pdpdt.2021.102668DOI Listing

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