View clinical trials related to Carcinoma, Squamous Cell.
Filter by:Lung cancer is one of the leading causes of cancer-related death in Taiwan. Recently, there are more treatment methods available which result in increased patient survival. Although adenocarcinoma and squamous cell carcinoma were both categorized as non-small cell lung cancer (NSCLC), the recent advancement of target therapy implied that these two histologies behave differently (Shah NT, et al. 2005; Sandler A, et al. 2006). Radiation therapy is an important method for locally advanced non-resectable non-small cell lung cancer (NSCLC). Computed tomography (CT) is the mainstay for evaluating lung cancer. The advance of multi-row detector CT (MDCT) provides volumetric acquisition within a breath hold, and enables detailed evaluation of tissue and organ perfusion with excellent resolution. Using this new technique with image post processing, excellent spatial resolution and functional perfusion information can be obtained simultaneously. Therefore, the purpose of this study is to explore not only the longitudinal change of lung cancer eligible for radiation therapy (including concurrent, sequential chemoradiotherapy and high-dose radiation therapy) but also comparison of adenocarcinoma and squamous cell lung cancers using perfusion MDCT. Total twenty patients with histopathologically proved adenocarcinoma or squamous cell carcinoma will be enrolled in this study and receive longitudinal study for perfusion MDCT evaluation before, during radiation therapy and in early and late phases after complete radiation therapy. Dynamic perfusion will be used for processing the image data, and quantitative parameters such as tumor blood volume and permeability etc will be derived. From this study, we expect to understand the change of tumor vascularity after radiation therapy and characters of treatment response of adenocarcinoma and squamous cell carcinoma in addition to the change of tumor size.
Squamous Cell Carcinoma of the Head and Neck (SCCHN) effects 43,000 individuals in the United States annually with an estimated overall survival of 50%. For some patients who develop local or distant metastases following primary therapy, surgery is not an option. This study is being done to test the safety of experimental cancer vaccines made of MAGE-A3 and HPV-16 antigens. We also hope to learn what doses of the vaccine will best stimulate the immune system. There will be 2 cohorts in this study, based on the results of tumor testing: Cohort 1: Patients with tumor that is HPV 16 positive Cohort 2: Patients with tumor that is MAGE-A3 positive The doses of vaccine in both cohorts will be 500, 1000, or 1500 micrograms depending on when the patient is enrolled in the trial. Each vaccine treatment is every 2 weeks for 8 weeks, for a total of 4 vaccines doses.
This multicentered clinical trial is going to find out the radio-sensitization action of sodium glycididazole in radiochemotherapy for esophageal cancer.
Patients with advanced head and neck squamous cell carcinoma (HNSCC) may benefit from organ-preservation treatment based on combination of chemotherapy and radiotherapy without compromising disease-free and overall survival. In patients with initially advanced regional disease, there is controversy about the place of routine planned lymph node neck dissection after chemoradiotherapy, especially in responding patients without clinically invaded residual lymph nodes. There is uncertainty about the lymph nodes status after chemoradiation because the structural imaging modalities (CT, MRI) lack sensitivity and specificity : small positive lymph nodes are not detected, and residual large lymph nodes can be sterilized ( " ghosts nodes " with no sign of viable tumor cells at histopathology). Despite the absence of evidence based on prospective study, in numerous institutions currently, head and neck surgeons are quite reluctant to operate on for neck dissection patients with a complete clinical and radiological response following chemoradiation. Metabolic imaging of tumors using PET and the glucose analog FDG has proven effective in head and neck SCC, especially after treatment to differentiate disease progression from radiation-induced inflammation.1 Several studies have shown that the metabolic response could predict the presence or absence of residual tumor cells in the primary tumor as well as the probability of relapse .2-4 Conflicting results have been reported on the use of PET to predict the pathological nodal status after chemoradiation, with negative predictive values ranging from 14 % to 100 %.5,6 Discrepancies observed might be due to the fact that PET was performed at variable time points after the end of radiotherapy. Ideally, PET should be performed as late as possible so that tumor regrowth can begin and become detectable, increasing the sensitivity of the procedure.
Angiogenesis, the formation of new blood vessel from existing vessels, is essential for tumor growth and metastasis. Antiangiogenic therapies inhibit the growth of genetically stable endothelial cells, and most tumors should starve to death with little acquired resistance. Endostatin has been shown to block endothelial cell proliferation, survival, and migration. Antitumor activity of endostatin protein has been demonstrated in various murine and human tumors in animal model studies without any detectable toxicity. Endostatin gene therapy could directly express the highly bioactive protein in vivo by means of the mechanism of eukaryotic expression system as post-translational modification and folding, as well as overcoming the challenge of the long-term storage and the cumbersome daily administration of endostatin protein. E10A is a replication-deficient recombinant adenovirus containing a wild-type human endostatin transgene constructed from serotype 5 adenovirus (Ad5). Preclinical studies demonstrated that intratumoral injection of E10A provided significant tumor growth inhibition and sustained elevation of endostatin in blood and tumor tissue in hepatocellular carcinoma, nasopharyngeal carcinoma, and tongue cancer animal models. A Phase I clinical trial of E10A we conducted showed that repetitive intratumoral injection of E10A resulted in a small and sustained elevation of endostatin in blood and had a mild antitumor activities with very limited toxicity. The major toxicity was transient and manageable fever. A randomized Phase III trial in nonsmall-cell lung cancer showed endostatin improved response rate and time to tumor progression in combination to chemotherapy. Therefore, we designed a randomized phase II trial to explore the safety and effectiveness of E10A combined with chemotherapy in the treatment of patients with head and neck cancer.
Study comparing level of free radicals in tumor tissue, blood serum and saliva in patients with Squamous Cell Carcinoma of tongue and mouth floor. Patients with benign fibroma of oral cavity and normal gingiva around extracted lower wisdom tooth are used for control
The purpose of this study is to determine the 1-year rate of locoregional disease control in the experimental arm, using a control arm to avoid selection bias.
There is a need for more treatment options for patients with recurrent squamous cell cancer of the head and neck (SCCHN). These tumors usually have a variety of genetic defects that include disruption of the p53 pathway, a pathway that would ordinarily work to prevent the development of tumors. In this study the transfer of the p53 gene to tumor cells using a modified adenovirus (INGN 201) in combination with chemotherapy (cisplatin and fluorouracil) will be compared to chemotherapy with cisplatin and fluorouracil in patients who have failed surgery and radiotherapy.
There is a need for more treatment options for patients with recurrent squamous cell cancer of the head and neck (SCCHN). These tumors usually have a variety of genetic defects that include disruption of the p53 pathway, a pathway that would ordinarily work to prevent the development of tumors. In this study the transfer of the p53 gene to tumor cells using a modified adenovirus (INGN 201) will be compared to methotrexate in patients who have failed surgery, radiotherapy and chemotherapy with platinum or taxanes.
RATIONALE: Interleukin-2 may stimulate a person's white blood cells to kill cancer cells of the mouth or oropharynx. Radiation therapy uses high-energy x-rays to damage tumor cells. It is not known whether giving interleukin-2 with surgery and radiation therapy is more effective than surgery and radiation therapy alone. PURPOSE: This randomized phase III trial is studying surgery and radiation therapy alone to see how well they work compared to surgery, radiation therapy, and interleukin-2 in treating patients with cancer of the mouth or oropharynx.