View clinical trials related to Papillary Thyroid Cancer.
Filter by:The incidence of papillary thyroid cancer (PTC) has been on the rise in recent years, and 20%-50% of PTC patients will have lymph node metastasis. Lymph node involvement in PTC patients is usually related to the recurrence of PTC after surgery, and 30% of patients recur without lymph node dissection, with the risk of central cervical lymph node metastasis being the greatest, so it seems to be a good choice to perform lymph node dissection on patients after thyroidectomy, but in fact, there are controversies at home and abroad as to whether to perform lymph node dissection or not. The 2021 Chinese Society of Clinical Oncology (CSCO) guidelines for the diagnosis and treatment of differentiated thyroid cancer state that prophylactic central lymph node dissection (PCND) may increase the incidence of postoperative complications, but due to the high metastatic rate of PTC and the ability of PCND to effectively prevent recurrence and reoperation, countries in the East Asian region perform prophylactic lymph node dissection on almost all patients with PTC. However, for more countries in Europe and the United States, performing PCND has become a non-essential, individualized option. The aim of this study is to collect multifactorial data from more than 1,000 patients who have undergone previous thyroidectomy from 2021 to 2023, and to develop a novel scoring scale that can be used to individualize patients' scores based on a variety of factors prior to surgery, so that patients can be more accurately predicted to have lymph node metastasis and need prophylactic lymph node dissection prior to surgery, and patients who do not need dissection can avoid surgery. For patients who do not need lymph node dissection, complications caused by surgery can be avoided, while for patients who do have lymph node metastasis, recurrence of their cancer can be prevented. This will change the status quo of not being able to accurately determine the actual situation through simple preoperative examination or performing prophylactic lymph node dissection for all PTC patients.
Ideal surgical extent for differentiated thyroid cancer remains unclear. Routine use of molecular analysis in biopsy-proven thyroid cancer could provide important prognostic information to help guide extent of surgery - thyroid lobectomy versus total thyroidectomy. This is a pilot feasibility study for the use of routine molecular analysis in Bethesda V and VI thyroid cancers, with randomization of the intermediate-molecular risk subgroup to thyroid lobectomy and total thyroidectomy. The investigators hypothesize that patients will 1) agree to preoperative molecular analysis, and 2) 50% of intermediate-risk patients will agree to and follow through with randomization. This will be a pilot study for a future randomized controlled trial (RTC) to compare between the two surgical approaches in intermediate-molecular risk thyroid cancer.
Somatic mutations in the MAP (mitogen-activated protein) kinase pathway have been found in about 80% of papillary thyroid tumors (PTCs). The evaluation of the PTC mutational profile is crucial for the definition of the prognosis and for predicting the effects of targeted and personalized therapies. Molecular characterization by mass spectrometry (Mass ARRAY) allows the search for multiple mutations in a single experiment, in a sensitive, fast and economic way. A Mass ARRAY platform (PTC-MA) was developed, capable of identifying the presence of the most common somatic point mutations and rearrangements in PTC (Pesenti et al., Endocrine 2017). The aim of the study is to characterize the mutational profile of a large series of papillary thyroid carcinomas (PTC). Tumor samples will be analyzed using our PTC-MA platform. The molecular profile of PTCs will be correlated with the clinical and prognostic characteristics of the patients.
Oxidative stress (OS) could be involved in the progression of papillary thyroid cancer (PTC). Indeed, thyroid differentiation genes are silenced by a mechanism controlled by NOX4-derived OS. On the other hand, TERT contributes to mitochondrial OS protection, which could increase the resistance of cancer cells to therapeutic agents. The investigators aim to address the role of OS and mitochondrial TERT in the progression and therapeutic resistance of PTC. OS and TERT subcellular localization will be investigated in 150 PTCs and correlated to the genetic and expression profile of the tumors and to the clinical and prognostic features of the patients. Mechanisms implicated in TERT mitochondrial migration and the contribution of mitochondrial TERT to tumor progression will be investigated in cancer cell lines and primary cell cultures. This study will allow to identify OS as a marker of therapeutic resistance in PTC and will open new opportunities for the development of novel treatments targeting ROS generation/TERT nuclear export.
This research is being done to determine the efficacy of selpercatinib to restore radioactive iodine (I-131) uptake and allow for I-131 treatment in people with RET fusion-positive radioiodine-refractory thyroid cancer. This research study involves the study drug selpercatinib in combination with standard of care treatments, I-131 and thyrotropin alfa (rhTSH).
To evaluate the feasibility and safety of gasless transaxillary posterior endoscopic thyroidectomy (Resection of thyroid lobe and isthmus, lymph node dissection in the central area of the affected side) and open radical thyroidectomy (Resection of thyroid lobe and isthmus, lymph node dissection in the central area of the affected side) as the current standard surgical treatment mode in terms of feasibility and safety of radical thyroidectomy.
A Phase 1B/2A study will be conducted to establish safety and dose level of AMXT 1501 dicaprate in combination with IV DFMO, in cancer patients.
Papillary thyroid cancer (PTC) is a common type of differentiated thyroid cancer (DTC) in children and represents the second most common cancer in adolescent females. Recently targeted drugs that block many of the genetic drivers of DTC have become available. While Investigators know that these drugs shrink DTC tumors in many cases, the impact on radioactive iodine (RAI) avidity has not been systematically studied.
Now, the investigators carried out a prospective study enrolling patients with thyroid cancer, who had received ablative thyroidectomy and /or radioactive iodine therapy for two more years. The investigators' study already enrolled seventy-three patients with thyroid cancer, and the investigators plan to enroll 30 new patients in this consecutive research study. All patients received total thyroidectomy under clinically surgical judgement in initial therapeutic option. The investigators also further found some difference between papillary thyroid cancer and follicular thyroid cancer, and the investigators will continue annually to closely monitor the change of U-Ex Tg and urinary exosomal galectin-3 between differently cellular types of thyroid cancers.
This is a prospective, observational, multi-center study examining the long-term outcomes of patients with small, low risk papillary thyroid cancer who offered the choice of active surveillance (close follow-up to monitor for potential disease progression) or immediate surgery.