View clinical trials related to Radiotherapy.
Filter by:At present, concurrent chemoradiotherapy (cCRT) with platin-based dual-drug regimen is the standard treatment for inoperable, locally advanced esophageal cancer in patients with a good performance status. However, cCRT has substantial toxic effects, and a large number of patients with older age, malnutrition and other morbidities, cannot tolerate cCRT. Several phase II trials showed combining PD-1 inhibitor with definitive cCRT provided encouraging activity and acceptable toxicity in patients with locally advanced esophageal squamous cell carcinoma (LA-ESCC). Therefore, this single-arm, multicenter, phase II trial aims to assess the efficacy and safety of immunotherapy plus radiotherapy with immunonutrition support in patients with LA-ESCC and positive PD-L1 expression who are intolerant to cCRT.
The goal of this observational study is to study the efficacy and safety of stereotactic body radiotherapy (SBRT) with different fractionation modes for early lung cancer. The main questions it aims to answer are: How effective are different regimens of SBRT for early lung cancer? How safe are different regimens of SBRT of SBRT for early lung cancer?
Comparison on radiotherapy skin set-up markings with lancets versus Comfort Marker 2.0®
This is a single-arm, open-label study performed at our hospital, patients with progression hepatocellular carcinoma (HCC) met inclusion criteria will be enrolled. Patients received oral lenvatinib 12mg/day (for patients≥60 kg) or 8 mg/day (for patients<60kg ) before local radiotherapy 8 weeks, large lesions were treated with IMRT for 40-60gy / 20-30f. Combined therapy will be taken until unacceptable treatment-related toxicities occurred or disease progression.
To evaluate the long-term locoregional control, survival rate, late toxicity and quality of life after reducing the target volume in patients with locoregionally advanced nasopharyngeal carcinoma patients treated with induction chemotherapy plus concurrent chemoradiotherapy.
Hepatic metastases are common in solid cancers (up to 30% of patients with colorectal cancer and up to 50% of patients during their follow-up). The incidence of primary liver cancer increases due to the increase in chronic liver diseases induced by excessive alcohol consumption, hepatitis B and C viruses, and excess fat in the liver. Surgical excision of these liver lesions is the reference treatment but it cannot always be realised. Stereotactic radiotherapy is a recent technique proposed to hepatic metastases treatment from solid cancers and primary hepatic lesions (HCC or cholangiocarcinomas); it is possible to deliver high doses of radiation in the most conformational way possible in order to limit the irradiation of the non-tumor liver. The results of this stereotactic radiotherapy are currently very good with control rates of 75 to 80% at 1 and 2 years with acceptable rates of severe toxicities of 10%. However, the fear of hepatic, digestive (colon, esophagus, stomach) or even cardiac toxicities limits its using to the majority of patients because coupled with a conventional scanner it do not allow direct visualization of the lesion. Due to its non-irradiating nature, MRI guided stereotactic radiotherapy can generate continuous imaging, during the irradiation session, offering " in live " a visualization of the tumor target and organs at risk of proximity. In increasing the precision and safety in the delivery of irradiation, it allows to hope for several areas for improvement of treatment: - reduced uncertainty margins - an increase in the dose delivered - the accessibility of tumor lesions near sensitive organs (esophagus, stomach, heart chambers, intestines, duodenum, right kidney). More, this accelerator allows a re-optimization of the initial dosimetric plan to the anatomical changes of the day to allow an MRI guided adaptive radiotherapy.
This is a open-label, single-arm study to investigate the safety and efficacy of consolidative chemotherapy with camrelizumab, an anti-PD-1 antibody drug following short course radiotherapy and subsequent surgical therapy in patients with locally advanced resectable rectal cancer.
Approximately 3.5% to 6% of newly diagnosed breast cancer patients are stage IV metastatic. De novo metastatic breast cancer accounts for 20% to 25% of these cases. Despite a decrease in mortality in Europe and North America due to early detection and access to treatment, breast cancer remains the 2ⁿᵈ leading cause of cancer deaths in developed countries after lung cancer and the world's leading cause. In the ESME French national retrospective cohort (NCT03275311), the newly diagnosed estrogen receptor (ER)-positive and HER2-negative (luminal) metastatic patients had a 59.1 months overall survival (OS) for pre-menopausal women and 44.7 months for postmenopausal women. In the same cohort, the median OS was 47.4 months for de novo metastatic patients with hormone receptor (HR)-positive / HER2-negative breast cancer. The most important current treatment for metastatic breast cancer remains systemic therapy. Surgery and radiation are mainly used to treat symptoms. However, more than 15 retrospective studies have assessed the impact of locoregional treatment on relapse and OS. These studies suggested an improvement of the OS in patients with de novo metastatic breast cancer thanks to the addition of locoregional treatment to systemic therapy. Recent data from the ESME cohort suggest that patients with de novo luminal or HER2-positive metastatic breast cancer may benefit from local treatment of the primary tumor. Several prospective trials have attempted to demonstrate the benefit of locoregional treatment with mixed results. This can be explained by a limited power of statistical analysis, on the recruitment of patients with breast cancer of all types, and on a limited access to effective systemic therapies in some cases and all before the area of anti CD4/6 which is the current standard treatment in patients with HR-positive / HER2-negative luminal metastatic disease. However, guidelines indicate that a "multimodal approach, including curative locoregional treatments, should be considered". As a result, many clinicians offer locoregional treatment of the primary tumor, especially if there is a good response to the first line of systematic treatment. Taken together, these data underscore the need for an evaluation of the value of combined therapy - endocrine therapy - CDK4/6 inhibitor and locoregional treatment - in this population of patients with newly diagnosed HR-positive / HER2-negative breast cancer.
Aims: 1. Evaluate changes in lung function before and after radiotherapy for patients with NSCLC in stage I-III receiving curatively intended radiotherapy 2. To assess the predictive value of pulmonary function tests for the development of radiation pneumonitis after curative radiotherapy 3. To assess biomarkers in blood samples before, during, and after radiotherapy and correlate to the development of radiation pneumonitis 4. Investigate survival