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- Title
Local efficacy and survival outcome of salvage endoscopic therapy for local recurrent lesions after definitive chemoradiotherapy for esophageal cancer.
- Authors
Ken Hatogai; Tomonori Yano; Takashi Kojima; Masakatsu Onozawa; Satoshi Fujii; Hiroyuki Daiko; Yusuke Yoda; Takuya Hombu; Toshihiko Doi; Kazuhiro Kaneko; Atsushi Ohtsu; Hatogai, Ken; Yano, Tomonori; Kojima, Takashi; Onozawa, Masakatsu; Fujii, Satoshi; Daiko, Hiroyuki; Yoda, Yusuke; Hombu, Takuya; Doi, Toshihiko
- Abstract
<bold>Background: </bold>Salvage endoscopic therapy (SET), such as endoscopic mucosal resection (EMR) and photodynamic therapy (PDT), is a less-invasive treatment for local failure at the primary site after chemoradiotherapy (CRT) for esophageal squamous cell carcinoma (ESCC). We conducted this retrospective study to clarify the risk factors for local recurrence along with the long term results after SET for recurrent lesions after definitive CRT for ESCC.<bold>Methods: </bold>We enrolled 77 consecutive patients who underwent EMR or PDT for local recurrence without any metastasis after definitive CRT at our institution. We evaluated the local efficacy, local recurrence-free survival (LRFS), and overall survival (OS), and investigated the risk factors associated with survival outcome using a multivariate analysis.<bold>Results: </bold>The complete resection rate of EMR was 84.6 % (33/39), and the complete response rate for PDT was 65.8 % (25/38). Twenty-two patients (28.6 %) exhibited local recurrence without metastasis. Thirty-four patients (44.2 %) were alive at 5 years after undergoing only initial SET or with repeated SET. The 5-year LRFS rate was 59.6 %, and the presence of lesions occupying an esophageal circumference of 1/4 or larger was the only significant risk factor (HR: 3.10, 95 % CI: 1.35-7.15, P = 0.008). The 5-year OS rate was 48.4 %, and an advanced T factor before CRT was marginally associated with a poor OS (HR: 1.96, 95 % CI: 0.98-3.92, P = 0.055).<bold>Conclusions: </bold>SET enabled a preferable local control and survival outcome for patients with local recurrence after definitive CRT for ESCC. Careful endoscopic follow-up is needed for patients with a large lesion before SET and those with an advanced T factor before CRT.
- Subjects
TREATMENT of esophageal cancer; SALVAGE therapy; CHEMORADIOTHERAPY; HEALTH outcome assessment; SQUAMOUS cell carcinoma; CANCER relapse; BIOPSY; ENDOSCOPY; ESOPHAGEAL tumors; LONGITUDINAL method; METASTASIS; MULTIVARIATE analysis; PHOTOCHEMOTHERAPY; TREATMENT effectiveness; PROPORTIONAL hazards models; TUMOR treatment; CANCER treatment
- Publication
Radiation Oncology, 2016, Vol 11, p1
- ISSN
1748-717X
- Publication type
journal article
- DOI
10.1186/s13014-016-0604-z