International journal of clinical and experimental medicine · 2015
Prevention of radiation esophagitis by polaprezinc (zinc L-carnosine) in patients with non-small cell lung cancer who received chemoradiotherapy.
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Yanase Komei, Funaguchi Norihiko, Iihara Hirotoshi, Yamada Maya, Kaito Daizo, Endo Junki, Ito Fumitaka, Ohno Yasushi, Tanaka Hidekazu, Itoh Yoshinori, Minatoguchi Shinya
Аннотация
BACKGROUND: Concurrent chemoradiotherapy (CCRT) plays an important role in multimodality therapy for non-small cell lung cancer. However, esophagitis often develops as a complication of CCRT, causing treatment delays and reducing the patient's quality of life. We examined the efficacy of polaprezinc (PZ), zinc L-carnosine used for the therapy of gastric ulcer, against the onset of esophagitis caused by CCRT for lung cancer.
PATIENTS AND METHODS: Patients who concurrently underwent chemotherapy with carboplatin and paclitaxel and thoracic radiotherapy at Gifu University Hospital during a period of January 2011 and May 2015 were the subjects of the present study. Patients received a mixture of sodium alginate solution and aluminum-magnesium hydroxide gel with (PZ group) or without (control group) PZ for prevention of radiation esophagitis.
RESULTS: PZ significantly inhibited the development of grade ≥2 radiation esophagitis (HR 0.397, 95% confidence interval, 0.160-0.990; P=0.047). In addition, PZ lowered the incidence of grade ≥2 esophagitis at the time point of 40 Gy irradiation (26.3% versus 63.2%, P=0.05). However, there were no significant differences in the incident rates of other adverse events associated with chemoradiotherapy between the PZ group and control group. Moreover, PZ had no significant influence on the tumor response rate.
CONCLUSION: PZ significantly retarded the development as well as the incidence of grade ≥2 esophagitis without affecting the tumor response.
PATIENTS AND METHODS: Patients who concurrently underwent chemotherapy with carboplatin and paclitaxel and thoracic radiotherapy at Gifu University Hospital during a period of January 2011 and May 2015 were the subjects of the present study. Patients received a mixture of sodium alginate solution and aluminum-magnesium hydroxide gel with (PZ group) or without (control group) PZ for prevention of radiation esophagitis.
RESULTS: PZ significantly inhibited the development of grade ≥2 radiation esophagitis (HR 0.397, 95% confidence interval, 0.160-0.990; P=0.047). In addition, PZ lowered the incidence of grade ≥2 esophagitis at the time point of 40 Gy irradiation (26.3% versus 63.2%, P=0.05). However, there were no significant differences in the incident rates of other adverse events associated with chemoradiotherapy between the PZ group and control group. Moreover, PZ had no significant influence on the tumor response rate.
CONCLUSION: PZ significantly retarded the development as well as the incidence of grade ≥2 esophagitis without affecting the tumor response.