View clinical trials related to Pheochromocytoma.
Filter by:This phase II trial tests whether combination of talazoparib and temozolomide works to shrink tumors in patients with rare cancer that may have spread from where it first started to nearby tissue, lymph nodes, or distant parts of the body (advanced). Talazoparib is an inhibitor of poly adenosine diphosphate-ribose polymerase (PARP), an enzyme that helps repair deoxyribonucleic acid (DNA) when it becomes damaged. Blocking PARP may help keep cancer cells from repairing their damaged DNA, causing them to die. PARP inhibitors are a type of targeted therapy. Temozolomide is in a class of medications called alkylating agents. It damages the cell's DNA and may kill cancer cells. Giving talazoparib in combination with temozolomide may help shrink advanced rare cancers or stop them from growing.
This is an open-label phase II study of an investigational drug, anlotinib in participants with advanced malignant paraganglioma or pheochromocytoma. Pheochromocytoma and paraganglioma (PPGL) are tumors originating from the adrenal medulla or adrenal diplomatic sensory chain, respectively, which can synthesize and secrete large amounts of catecholamines. In this study, participants whose disease has advanced or spread despite prior standard therapy, will receive anlotinib for 2-weeks followed by a 1-week rest period, until disease progression (PD) or drug toxicity intolerance. Anlotinib is an investigational drug, which has been shown to shrink tumours in several tumour models. The study will evaluate the efficacy as well as the toxicity profile of anlotinib when used as an alternative treatment for participants with PPGL tumours.
Anesthesia management of pheochromocytoma excision surgery is associated with severe hemodynamic fluctuations.The objective of this study was to compare the hypertensive episodes requiring sodium nitroprusside administration between the group treated with magnesium-dexmedetomidine and conventional group in pheochromocytoma.
PHEOCHROMOCYTOMA (PCC)/ PARAGANGLIOMA are catecholamine secreting tumors with varied manifestations. Besides hypertension, PCC patients may have subclinical to overt cardiac and vascular dysfunction, which are important to recognize to minimize perioperative morbidity and mortality. Cardiovascular (CV) dysfunction can be in the form of hypertension, left ventricular (LV) hypertrophy, heart failure, cardiomyopathy, dysrhythmias, angina and Myocardial infarction. Literature search revealed a few retrospective and a few prospective studies, including one prospective follow up study conducted at SGPGIMS to document CV changes in PCC. Our institutional study was the first to document the nature and extent of CV dysfunction and cardiomyopathy and their reversal after surgical cure. The studies revealed that PCC patients had significantly higher LV mass index, higher LV diastolic dysfunction, subclinical impaired LV systolic function. Earlier studies postulated apparent improvement in various cardiac indices even with selective α-blockade and continued after surgical cure, with near normalization at 3 -6 months postoperatively. Detailed cardiac and vascular evaluation in PCC patients can be of help in preoperative optimization of cardiac risk and may provide prognostic information The literature on PCC-mediated CV dysfunction and catecholamine cardiomyopathy is largely limited to case reports and retrospective studies, with few reports of their reversal after curative PCC operations. Whether the duration of disease influence the function of heart was not apparently addressed in earlier trials. Trials that established the differences in the degree of cardiac dysfunction between normotensive and hypertensive PCC patients involved smaller proportion of study subjects. Sub clinical changes in endomyocardium was presumed but not objectively assessed and hence its reversal after surgical cure is uncertain. The aim of this research is to study the cardiac and vascular changes in Pheochromocytoma/ Paraganglioma patients and their reversal following curative surgery
The aim of this study is to evaluate the diagnostic performance and tumor burden of 18F-metafluorobenzylguanidine (18F-MFBG) positron emission tomography (PET) in patients with neuroendocrine tumors mainly in pheochromocytoma and paraganglioma (PPGL) and neuroblastoma (NB).
Although most patients have essential (unexplained) hypertension, some patients have a treatable underlying condition. One such condition is phaeochromocytoma, a tumour that produces excessive stress hormones. Left undiagnosed, patients may develop a hypertensive crisis that can be fatal. Measurements of stress hormones (both 24-hour urine collection and morning blood tests) are highly sensitive for detecting these tumours. However, these stress hormones may also be elevated in obstructive sleep apnoea (OSA) which affects 1 in 5 adults. The investigators hypothesize that in patients with OSA, blood tests will be better than 24-hr urine tests at ruling out a tumour. If this is confirmed, then OSA patients with suspected phaeochromocytoma could be investigated with a morning blood test instead of a traditional urine test, reducing unnecessary additional tests and patient anxiety. In this single site study, the investigators plan to recruit 70 patients undergoing polysomnography. 24hr urine and bloods will be measured. Patients with elevated hormone levels will undergo imaging to rule out a tumour. The primary outcome will be the accuracy of each test in ruling out a tumour. The secondary outcomes will be the relationship between stress hormone level and severity of OSA, which may help to explain the increased cardiovascular risk in patients with OSA, and the change in stress hormone level with treatment for OSA
This is a study to evaluate the efficacy and safety of belzutifan monotherapy in participants with advanced pheochromocytoma/paraganglioma (PPGL), pancreatic neuroendocrine tumor (pNET), von Hippel-Lindau (VHL) Disease-Associated Tumors, Advanced Gastrointestinal Stromal Tumor (wt GIST), or Advanced Solid Tumors With hypoxia inducible factor-2 alpha (HIF-2α) related genetic alterations. The primary objective of the study is to evaluate the objective response rate (ORR) of belzutifan per Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST 1.1) by blinded independent central review (BICR).
The aim of our study is to compare plasma metanephrines in patients with cyanotic and acyanotic congenital heart disease and possible association with chronic hypoxic stress.
Epidemiologic studies have revealed a tremendous increase in the prevalence of adrenal associated disease and related mortality worldwide. In order to meet all the therapeutic challenges in adrenal disease in China, CASE was founded in 2020. The objective of CASE is to launch an adrenal disease management model based on the Internet health information platform which allows the application and evaluation of adrenal disease treatment strategies at multiple centers. The proprietary electronic medical database will help the dynamic big-data analysis in epidemiology of adrenal disease, diagnosis, and treatment.
This phase II trial studies how well anlotinib hydrochloride works in treating patients with metastatic pheochromocytoma or paraganglioma. Anlotinib hydrochloride may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth and by blocking blood flow to the tumor.