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1.
Chinese Journal of Radiation Oncology ; (6): 749-752, 2018.
Article in Chinese | WPRIM | ID: wpr-807141

ABSTRACT

Objective@#To evaluate the clinical efficacy and side effects of cyberknife therapy in the treatment of retroperitoneal lymph node metastatic tumor.@*Methods@#Among the 81 patients presenting with postoperative retroperitoneal lymph node metastases, 33 cases suffered from abdominal pain or low back pain, 7 had unilateral hydronephrosis and ureteral dilatation, and 8 developed unilateral or bilateral lower limb swelling. Using stereotactic radiotherapy with a cyberknife, DT was delivered at 33-45 Gy/3-6 F. The improvement of symptoms, objective tumor response rate, and irradiation-induced side effects were observed.@*Results@#At 4 weeks after treatment, pain and swelling of the lower extremities were completely mitigated, and hydronephrosis was fully healed in all patients. Enhanced CT or MRI was performed every 2 to 3 months. After 6-month follow-up, the complete response (CR) rate was calculated as 77%(62/81), 21%(17/81) for the partial response (PR) rate, 3%(2/81) for the stable disease (SD) rate and the effective rate (CR+ PR) was 98%.No case progressed. The main side effect was intestinal injury, including grade 1 in 16%(13/81), grade 2 in 9%(7/81). Multivariate analysis demonstrated the CR rate was not correlated with the type of the primary tumor or the size of the tumor (P>0.05), but was significantly associated with the distance of>0.5 cm between the tumor and intestine and the BED (α/β=10)>70 Gy of the tumor irradiation (P<0.01). The incidence of irradiation-related side effects was correlated with the maximum diameter of tumor>5 cm and the distance of<0.5 cm between the tumor and intestine (P<0.01).@*Conclusion@#Cyberknife is an efficacious and safe approach in the treatment of retroperitoneal lymph node metastatic tumors.

2.
Tianjin Medical Journal ; (12): 309-311,401, 2014.
Article in Chinese | WPRIM | ID: wpr-602009

ABSTRACT

Objective To investigate the effects of MTA1 knock down on migration and invasion of NPC cell 5-8F in vitro. Methods RNAi (Si-MTA1-01 and Si-MTA1-02) that can transiently silenced MTA1 was designed, synthesized and transfected into 5-8F cells by lipofectamine 2000. Control group (transfection with nonsense sequence) was also estab-lished. The efficiency of MTA1 depletion was determined by q-PCR and Western blot. Wound-healing assay ,Matrigel inva-sion assay and thesolid-phase adhesion assay were performed to investigate the effect of MTA1 knockdown on 5-8F cell me-tastasis. Results Transiently knock down of MTA1 decreased MTA1 transcription and expression in 5-8F cells compared to shRNA-con cells, showing by Real-time PCR and western blot. The invasion and migration of the cells transfected with siRNA-MTA1 were much weaker than the control group (P<0.05). Conclusion silencing MTA 1 gene can effectively in-hibit the migration and invasion of nasopharyngeal carcinoma cell, and might be a promising target for NPC treatment.

3.
Chinese Journal of Lung Cancer ; (12): 74-77, 2006.
Article in Chinese | WPRIM | ID: wpr-313286

ABSTRACT

<p><b>BACKGROUND</b>Chemotherapy is a common way to treat advanced non-small cell lung cancer (NSCLC). The response rate of chemotherapy is only 20%-50%, and the side effects are serious. To improve efficacy and quality of life and to reduce side effects of chemotherapy become main tasks of clinical researches. The aim of this study is to evaluate GP regimen alone and GP regimen combined with Kanglaite on the efficacy, side effects and the improvement of quality of life in the treatment of advanced NSCLC.</p><p><b>METHODS</b>Randomly fifty patients with NSCLC in stage III and IV were treated by GP regimen combining with Kanglaite, and fifty patients were treated with GP regimen alone. Kanglaite was used on the first day of each chemotherapy cycle for consecutive 10 days, and the dosage was 200ml/d. GP regimen included gemcitabine 1000mg/m² on 1st and 8th days and cisplatin 80mg/m² on 2nd day. The treatment was repeated every three weeks. The efficacy, side effect and quality of life were compared after two cycles of chemotherapy.</p><p><b>RESULTS</b>Response rate was 52% in combining group and 32% in control group. The rates were different between the two groups (Chi-square=4.04, P < 0.05). Quality of life in combining group was significantly higher than that in control group after treatment (t=2.8, P < 0.05). The incidence of side effects in combining group was lower than that in control group, and the degree was also slighter.</p><p><b>CONCLUSIONS</b>Kanglaite in combination with GP regimen can be used for the treatment of advanced NSCLC. It can improve efficacy and the quality of life, and reduce the side effect of chemotherapy.</p>

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