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Photodynamic therapy for esophageal malignancy: a prospective twelve-year study
J S McCaughan1, E C Ellison, J T Guy
1Grant Medical Center, Columbus, Ohio, USA.
The Annals of Thoracic Surgery
|October 1, 1996
Summary
Photodynamic therapy (PDT) offers a safe alternative for esophageal cancer, with survival dependent on clinical stage. PDT showed minimal complications and can be effective for early-stage disease or high-risk patients.
Area of Science:
- Oncology
- Gastroenterology
- Medical Technology
Background:
- Esophageal cancer treatment options are limited for patients ineligible for surgery, radiation, or chemotherapy.
- Photodynamic therapy (PDT) is an emerging treatment modality for various cancers.
Purpose of the Study:
- To evaluate the efficacy and safety of photodynamic therapy (PDT) for esophageal carcinoma.
- To identify factors influencing survival and complications in patients undergoing PDT.
Main Methods:
- Photodynamic therapy (PDT) was administered to 77 patients with esophageal carcinoma between 1982 and 1994.
- Patient survival and complications were assessed, with a focus on clinical stage and performance status.
Main Results:
- Clinical stage was the sole significant predictor of survival after PDT.
- Median survival varied by stage: Stage I (not reached), Stage II (12 months), Stage III (6.3 months), Stage IV (3.5 months).
- Karnofsky performance status (≥70) significantly impacted survival in Stages III and IV.
Conclusions:
- Photodynamic therapy (PDT) for esophageal cancer resulted in minimal complications and no procedure-related deaths.
- PDT is a viable alternative for high-risk Stage I esophageal cancer patients and those with Barrett's esophagus and severe dysplasia.
- The palliative benefits of PDT were comparable or superior to other historical treatments.