View clinical trials related to Thyroid Neoplasms.
Filter by:Although thyroid cancers are low-grade endocrine malignancy, most patients usually received thyroidectomy with ablative radioactive iodine therapy. Such patients were followed with thyroid ultrasonography and serial serum thyroglobulin evaluation. Prior researches indicated that one-third well-differentiated thyroid cancers could transform to poorly-differentiated patterns, even to be anaplastic thyroid cancer (ATC), a fatal malignancy, and no effective therapeutic strategies was noted, including surgical intervention, chemotherapy and radiotherapy. The poorly-differentiated or anaplastic change of thyroid cancer cells proliferates rapidly and always invades local tissues with distant metastasis. Cellular de-differentiation is the most pivotal cause for malignant transformation and invasion. De-differentiation usually in papillary thyroid cancer and follicular thyroid cancer, and definitely in ATC. Therefore, the investigators try to find the biological markers and therapeutic targets via the exosomal expression in urine. On the continuing basis of prior ATC cells culture experiments. Exosomes are nanovesicles secreted into extracellular environments. Cancer cell-derived exosomes could be found in plasma, saliva, urine and other body fluid of patients with cancer. The investigators try to analyze the urinary exosomal proteins, including thyroglobulin and galectin-3, to find the early prognostic biological markers in urine via this prospective study. The investigators expected to enroll 150 post-operative patients with papillary, follicular or anaplastic thyroid cancer, and collect the urine samples in outpatient clinic per year. The investigators will analyze the urine exosomal proteins and probable biological markers, including thyroglobulin and galectin-3. The investigators hope to find the prognostic biological markers via this prospective study. The investigators further hope to find newly therapeutic and follow-up pathway for such patients with well-differentiated or anaplastic thyroid cancer.
The purpose of this study is to test Cerenkov luminescence imaging, which is a different way to take pictures of thyroid cancer and/or any tumors with (existing or suspected) nodal metastases in the neck, supraclavicular, axillary and/or inguinal region.
The present study investigated the effect of routine calcium and vitamin D supplementation and tried to find the predictors for postoperative hypocalcemia in patients with thyroid cancer.
Purpose: Total endoscopic thyroidectomy including oral approach and breast approach has excellent cosmetic and several functional results. Many patients, especially women, undergoing thyroid surgery are concerned about the postoperative cosmetic appearance of the neck. The procedure of total endoscopic thyroidectomy by breast approach only left three incisions, while by oral approach did not leave any incisions in the body surface, which is scarless in the neck, involved with a higher cosmetic result. However, the long-term property evaluation of total endoscopic thyroidectomy was not confirmed. The purpose of our study was to evaluate the surgical results of total endoscopic thyroidectomy (transoral approach and breast approach) versus conventional open thyroidectomy.
Assessment of the efficacy and safety of Regorafenib and Avelumab in patients with advanced or metastatic solid tumors (ten cohorts), once the Recommanded Phase II Dose (RP2D) has been determined (phase I trial). Assessement of the efficacy and safety of a low-dose of regorafenib (80mg/day) with avelumab in patients with advanced or metastatic colorectal tumors.
Almost 50 % of papillary thyroid cancer (PTC) patients have central lymph node metastases (CLNM), which are associated with a high risk of persistent or recurrent disease. However, the practice of performing a prophylactic central lymph node dissection (PCLND) routinely remains controversial. The proponents argue that without a PCLND, PTC patients with positive lymph nodes have an increased risk of local recurrence, and postponed node dissection leads to with 5-6 fold higher risk of morbidity. If performed, PCLND in clinical node negative patients increases staging to pN1 in more than 50% of the cases without increasing survival. The complication rate in PCLND is lower when compared to a technically challenging re-exploration in recurrent disease, with reported incidences of 0.6% and 7.3-20%, respectively. Opponents of routine PCLND point out the lack of randomized clinical trials and object to treatment-induced hypo-parathyroidism and recurrent nerve damage for the N0 patients. Currently, no diagnostic tool is available which reliably identifies these patient categories. Therefore, there is a clear need for novel diagnostic imaging modalities that overcome this issue. Molecular Fluorescence Guided Surgery (MFGS) is potentially such a diagnostic tool. The administration of NIR fluorescent tracers can increase detection accuracy of cancer and nodal metastatic tissue using macroscopic MFGS. Therefore, we aimed to identify a GMP-produced near infrared (NIR) tracer that potentially has a high target-to-background ratio in PTC compared to normal thyroid tissue. Tyrosine-protein kinase Met (c-Met) is significantly upregulated at the protein level in PTC compared to normal thyroid tissue. The investigators therefore hypothesize that the GMP-produced NIR-fluorescent tracer EMI-137 (targeting c-Met, peak emission at 675 nm range) might be useful for intraoperative imaging of PTC and nodal metastases. The investigators' aim is to investigate if the administration of EMI-137 is a feasible approach to detect PTC nodal metastases. Ultimately, this method might be useful to improve patient selection for CLND. Eventually, we might also be able to visualize multifocality, more selective lateral neck dissections and asses residual tissue after thyroidectomy. Ultimately, all of these strategies may reduce overtreatment, morbidity, and costs while maintaining the same or better effectiveness with a lower recurrence rate and improved quality of life.
Thyroid cancer is the most prevalent endocrine malignancy.Papillary thyroid carcinomas and follicular thyroid carcinomas account for 95% of all thyroid cancer cases. They are clinically classified as well-differentiated thyroid carcinomas due to their biological behavior resembling normal follicular cells and good responsiveness to surgery and radioiodine therapy . However, they are usually curable when discovered at early stages, but survival rates may be reduced from 100% in stages I and II to 50% at stage IV So,early detection is the key for successful treatment and reduction of mortality. pathological analysis by fine-needle aspiration biopsies has some limitations including difficulty in sampling small tumors, inconclusive diagnosis in up to 35% of patients and bleeding. Thus, biomarkers for diagnosis are needed.
This research is being done to better understand and test if the investigators can minimize narcotic medication for controlling pain after thyroid or parathyroid surgery. This research will be performed at Doctors Hospital At Renaissance in the investigators clinic and the perioperative area. Participants will be randomly chosen to receive one of two options for pain management that the investigators are already using in the care of patients after surgery. One option includes a narcotic medication and one option includes a non-narcotic and a narcotic as needed. Participants will be asked to complete a form about the level of pain and how much pain medication was needed after surgery in the hospital and while at home. Participants will not have to do any additional visits to participate in this study. The investigators will obtain the research materials at the same time as the usual care visits around the participants' surgery.
Thyroid cancers that have spread beyond the neck are not curable. About 30,000 people worldwide die from thyroid cancer every year. Usually, thyroid cancers get worse because the cancer cells become more and more abnormal through a process that is called dedifferentiation. Radioactive iodine is a standard treatment for this type of thyroid cancer. Patients will usually receive multiple dose of radioactive iodine over the course of their cancer journey. Thyroid cancers lose sensitivity to radioactive iodine as the cancer progresses/worsens with the process of dedifferentiation. When this occurs, the radioactive iodine treatments no longer work against the cancer and the cancer grows. Radioactive iodine enters cancer cells through transporter proteins on the outside of the cancer cell. The transporter proteins that are the most important are the sodium iodide symporters. As thyroid cancers dedifferentiate, these symporters stop working as well as they once did. The radioactive iodine can therefore not get into the cancer cells to cause cancer cell death. Laboratory research has shown that in thyroid cancer, a protein on the cell called platelet derived growth factor receptor alpha (PDGFRα) is an important for tumour growth and thyroid cancer dedifferentiation. PDGFRα helps cancer progression and lowers the ability of sodium iodine symporters to move radioiodine into cells where it would normal act to kill the cancer cells. PDGFRα therefore makes thyroid cells resistant to radioactive iodine. Imatinib is an anti-cancer drug that blocks PDGFRα function. It has been used for many years to treat other cancers such as leukemia. The investigators who wrote this study believe that, base on laboratory testing, if thyroid cancer patients are given imatinib whenafter their cancers have become resistant to radioactive iodine, the imatinib will block PDGFRα. This will let the sodium iodine symporters work again and move the radioactive iodine into the cancer cells. This should shrink the tumours. Imatinib would then make the thyroid cancer cell sensitive to radioactive iodine again. This should shrink the tumours and would mean longer control of the cancer, helping people with this disease live longer.
This pilot clinical trial studies how well Gallium-68 prostate specific membrane antigen positron emission tomography (PET) work in diagnosing patients with thyroid cancer. Diagnostic procedures, such as 68Ga-PSMA PET, may more accurately diagnose thyroid cancer and find out how far the disease has spread.