View clinical trials related to Endocrine Gland Neoplasms.
Filter by:This phase I trial studies the side effects and best dose of veliparib when given together with capecitabine and temozolomide in treating patients with neuroendocrine tumor that has spread to other places in the body and usually cannot be cured or controlled with treatment, has returned after a period of improvement, and cannot be removed by surgery. Veliparib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Drugs used in chemotherapy, such as capecitabine and temozolomide, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading.
Chromogranin A (CgA) is a glycoprotein with a molecular weight of 49 to 52 kDa produced by chromaffin cells of the adrenal medulla, enterochromaffin-like (ECL) cells, and endocrine cells of the stomach and pancreas, and it is the precursor to several functional peptides including vasostatin and pancreastatin. Importantly, CgA can be measured in the serum or plasma or detected within the secretory vesicles as a general diagnostic biomarker for neuroendocrine tumors (NETs), and plasma CgA levels also provide information regarding tumor burden and response to treatment. It has a sensitivity and specificity between 27% and 81%. Some studies have noted an association between CgA concentrations and tumor location or degree of differentiation. It has also been proposed that plasma CgA levels are more frequently elevated in well-differentiated tumors compared with poorly differentiated tumors of the midgut. Some other clinical series have provided evidence of an association between plasma CgA levels and the extent of disease, tumor burden, or presence of metastases, and high baseline levels of CgA are suggestive of a poor prognosis. However, there exist still controversies the effectiveness of serum CgA levels on diagnostic relevance, treatment response after surgical resection or sandostatin analog, clinicopathologic features of pancreatic neuroendocrine tumors (PNETs). To date, moreover, a precise association between CgA levels and survival has not been clearly demonstrated, although a number of studies suggest that this relationship may exist. There, especially, is no relevant data on value of serum CgA level for clinical usefulness in Korean population.
This is an open label feasibility pilot study of commercially available physical activity monitoring devices in patients receiving systemic therapy at the Harold Simmons Cancer Center, UT Southwestern Medical Center.
A single institutional study of Pancreatic Endocrine Neoplasms over 18 years.
Advances in conventional imaging (abdominal ultrasound, CT scan, MRI) are so great that chance to discover a incidental solid or cystic pancreatic lesion is becoming usual. Endocrine tumors have variable malignant potential depending on their size, some malignancy for lesions larger than 2 cm and indefinite for a smaller size. The branch-duct like IPMN (intraductal papillary mucinous pancreatic tumor) involving the pancreatic secondary ducts represent half of pancreatic cystic tumors and may degenerate into 5 to 10% of cases. Signs and risk of degeneration are the presence of mural nodules greater than 5 mm and size > 3 cm, although the latter criterion is discussed. Mucinous cystadenomas could degenerate between 30 and 50% of cases even though the role of size is much discussed (<4 cm). The follow-up imaging is performed using MRI and endoscopic ultrasonography (EUS). A fine needle aspiration for cytology and histology is possible and determination of biological markers is useful. But cytology is often unprofitable due to the poor cellular profile of the cystic pancreatic tumor. Once the diagnosis of suspected malignancy, the patient should be referred to the surgeon for pancreatic resection more or less extensive. But this attitude is facing a significant operative risk with up to 30% of morbidity and mortality between 1 and 3 % for cephalic resections. Some patients with high post operative risks are inoperable. For these reasons, some teams have proposed the destruction of the walls of the cyst under EUS, US or CT control by washing with absolute alcohol content of cystic tumor. An interesting alternative endoscopic destruction would be the use of radio frequency ablation technique (RFA). RFA is a recognized technique for local tumor destruction by delivering thermal energy to obtain coagulation necrosis of the lesion. Taewong Medical ™ recently developed a radiofrequency needle EUSRA® coupled with a combo VIVA ™ generator for applying RFA sub EUS control. But no prospective study is available at this date regarding the treatment of the cystic or solid tumoral pancreatic lesion with this technique. The primary endpoint of the present study is to investigate the feasibility and safety of this guided radiofrequency probe EUS for the treatment of pancreatic endocrine tumors or inoperable pancreatic cystic tumors. The secondary objective will be the efficiency.
Abnormal PI3K-Akt-mTOR (mammalian target of rapamycin) pathway signaling and autocrine activation of the mTOR pathway, mediated through insulin-like growth factor 1 (IGF1), has been implicated in the proliferation of pNET ( primitive neuroectodermal tumor) cells. Everolimus ,an mTOR inhibitor (a central regulator of growth/proliferation, cellular metabolism and angiogenesis) has shown antitumor benefit in pNETs alone and in combination with Octreotide LAR in RADIANT-1 and RADIANT-3 studies. Despite EVE-based phase II/III trials improve progression-free survival (PFS) for pNETs, they are limited to significantly prolong overall survival (OS). Metformin has recently shown some anti-cancer activity, both in vitro and in vivo studies by antisecretory properties to decrease insulin and IGF1 levels; and by antitumor effect due to AMPK (adenosine monophosphate kinase) activation and consequently inhibition to TSC1(tuberous sclerosis complex 1) -2/mTOR complex, mediated to LKB1 oncogene expression. The investigators retrospective experience, despite in a limited group of pWDNET, highlights the role of MET to improve clinical benefit in diabetic pts receiving EVE-OCT (octreotide) combination. This study will investigate the antiproliferative potential of MET in combination with EVE and OCT in pWDNETs. MetNET1 prospective trial (EudraCT 2014-000888-41) may be helpful to either confirm or discard these preliminary findings. The main objective of this study is to evaluate progression free survival rate at 12 months of treatment. The secondary objectives are safety, overall survival, response rate evaluation. A sub-study analysis will evaluate circulant biomarkers levels (IL 6, IGF1) in blood samples.
Through the investigators involvement in an international consortium, the investigators had the opportunity to acquire a new type of synthetizer for the radiolabelling of such tracers. The investigators propose in this project to develop on their site, the radiosynthesis of 68Ga-DOTATOC and to evaluate prospectively the diagnosis of neuroendocrine tumors, compared with the current imaging OctreoScan®. The objectives of this project are: - to validate the radiosynthesis of 68Ga-DOTATOC on their site with a new synthetizer - and clinically evaluate, through a prospective preliminary study, the diagnostic accuracy of PET-CT with 68Ga-DOTATOC in comparison with other standard imaging examinations.
This phase II trial studies ziv-aflibercept in treating and perfusion computed tomography perfusion imaging in predicting response in patients with pancreatic neuroendocrine tumors that have spread to other parts of the body or cannot be removed by surgery. Ziv-aflibercept may stop the growth of tumor cells by blocking blood flow to the tumor. Diagnostic procedures, such as computed tomography perfusion, imaging may help measure a patient's response to ziv-aflibercept treatment.
The purpose of this study is to compare whether there is a delay or prevention of recurrence or death in participants with surgically removed pancreatic cancer who then take nab-Paclitaxel in combination with gemcitabine compared to those who take gemcitabine alone.
This study is being conducted to identify altered genetic factors that may exist and influence endocrine cancers in unrelated MEN1 families with different cancers. A grading system will be developed for endocrine cancers, including pancreatic cancers, thymus gland cancers, parathyroid disease and MEN1 syndrome as low-risk and high-risk to improve screening and timing of surgery.