Clinical trials: Hypothalamus
Hypopituitarism
Stimulation Test With Intranasal Glucagon for Corticotroph, Somatotroph and Antidiuretic Axes
The diagnosis of secondary hypoadrenalism and GH deficiency (GHD) often requires the performance of a dynamic test. The glucagon stimulation test (GST) is one of the options for evaluating hypothalamic-pituitary function…
- Trial name
- NCT05206149
- Testing
- Intranasal glugagon
- Where
- Italy
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- A.O.U. Città della Salute e della Scienza
Prolactinoma, Insulin Resistance
Insulin Resistance in Women With Prolactinoma
Prolactin is suggested to influence insulin resistance, but scarce data is available on the metabolic profile of patients with prolactinoma.
- Conditions
- Prolactinoma, Insulin Resistance, Hyperlipidemia
- Trial name
- NCT00481299
- Where
- Brazil
- Volunteers
- 2,004 people, healthy volunteers welcome
- Sponsor
- Universidade Federal do Rio de Janeiro
Growth Hormone Deficiency, Idiopathic Short Stature
Skeletal Muscle Effects of GH in Boys
The purpose of the study is to measure the functional effects of recombinant GH in skeletal muscle, in addition to growth promotion, in short prepubertal boys with either growth hormone deficiency or idiopathic short stature.
- Trial name
- NCT04020913
- Testing
- Somatropin injection
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Nemours Children's Clinic
Obstructive Sleep Apnea
Unveiling the Neural Mechanisms of 5-HT7 in Sleep Apnea Induced by Arousal Dysregulation
Obstructive sleep apnea (OSA), recognized as a highly prevalent sleep breathing disorder with severe complications, features a complex etiology.
- Trial name
- NCT06608888
- Testing
- MRI
- Where
- China
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Beijing Tsinghua Chang Gung Hospital
GH Deficiency (GHD), Growth Retardation
Evaluation of Pharmacokinetic and Pharmacodynamic Parameters of Somatropin Produced by Laboratory Blausiegel Indústria e Comércio Ltda., Compared to Saizen® From Laboratory Merck Serono S.A.
The primary objective of this study is to compare the pharmacokinetic and pharmacodynamic effect between two preparations of somatropin (T and C) after a single administration of 5 mg in healthy subjects by altering serum…
- Trial name
- NCT01494779
- Testing
- Somatropin
- Where
- Brazil
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Azidus Brasil
Obesity
Deep Brain Stimulation for Human Morbid Obesity
The burden of morbid obesity to the circulatory, endocrine, and locomotor systems, as well as the psychological effects and related health-care costs, are well established in the medical literature.
- Trial name
- BLESS (NCT02232919)
- Testing
- Deep Brain Stimulation
- Where
- Brazil
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Hospital do Coracao
Pituitary Adenoma
Detection of Functioning Pituitary Microadenoma: PET/MRI Versus PET/CT
This is a prospective case-control study to compare the usefulness of 18F-FDG PET/MRI with that of 18F-FDG PET/CT in detection of functioning pituitary microadenomas.A single dose of 370 Mega-Becquerel (MBq) 18F-FDG will be…
- Trial name
- NCT03404414
- Testing
- 18F-FDG
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Peking Union Medical College Hospital
Inappropriate ADH Syndrome
Effects of Empagliflozin an SGLT2-Inhibitor on Healthy Volunteers With Induced Hypotonic Hyponatremia - the DIVE Study
Empagliflozin (Jardiance)® is a sodium glucose co-transporter 2 (SGLT2)-Inhibitor, which is a new treatment option developed for patients with diabetes mellitus type 2.
- Trial name
- DIVE (NCT02729766)
- Testing
- Induced hypotonic hyponatremia - SIAD model, Empagliflozin 25mg Tbl
- Where
- Switzerland
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Growth Hormone Deficiency
Reference Values for Body Composition Parameters and IGF-I in the Adult NordiNet® International Outcome Study
The treatment of Growth Hormone deficiency (GHD) patients with GH, often induce fluid retention; this effect is dose dependent and temporary. The symptoms are swelling of soft tissue and joint stiffness.
- Trial name
- NCT01120977
- Where
- Denmark
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Hypopituitarism, Pituitary Tumors
Effect of 5 Years of GH Replacement on Atherosclerosis
Adult patients with hypopituitarism under adequate conventional hormone replacement therapy have reduced life expectancy due to excess vascular events (1-4).
- Conditions
- Hypopituitarism, Pituitary Tumors, Growth Hormone Deficiency
- Trial name
- 5yrGH (NCT00462475)
- Testing
- Recombinant Growth Hormone, Genotropin (Pfizer)
- Where
- Italy
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Federico II University
Pituitary, Aging
Age-related Differences in Response to Pituitary Stimulation Tests
The purpose of this study to age-related differences to the response of a combined pituitary stimulation test with TRH, LHRH and ACTH.
- Trial name
- NCT04572139
- Testing
- Pituitary stimulation test
- Where
- Denmark
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Aalborg University Hospital
Depression, Psychotic Disorders
Clinical and Biological Characteristics of Psychotic Depression
The primary objective of this study is to investigate the relationships among findings in structural and functional neuroimaging, cognitive testing and HPA (hypothalamic-pituitary-adrenal) axis dysregulation in psychotic…
- Conditions
- Depression, Psychotic Disorders, Depressive Disorder, Major
- Trial name
- NCT00576095
- Where
- United States
- Volunteers
- 73 people, healthy volunteers welcome
- Sponsor
- Stanford University
Schizophrenia
Effects of Hyperprolactinemia Induced by Antipsychotic Drugs on Bone Metabolism
The study is aimed to assess the severities of hyperprolactinemia caused by antipsychotic drugs and the effects of the duration of hyperprolactinemia on bone metabolism in schizophrenia patients.
- Trial name
- NCT03675750
- Where
- China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Shanghai Mental Health Center
Prolactinoma
Exercise Capacity and Physical Activity Level in Prolactinoma Patients
Prolactinoma, one of the most common pituitary adenomas, is an adenoma that causes excessive prolactin (PRL) secretion. An increase in prolactin level can cause weakness, decrease in muscle mass and fatigue.
- Trial name
- NCT05236829
- Where
- Turkey (Türkiye)
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Obese
Monounsaturated Fatty Acids and Brown/Beige Adipose Tissue in Humans
Considering the high prevalence of obesity its comorbidities in Brazil and in the world, different therapeutic measures have been suggested.
- Trial name
- NCT03024359
- Testing
- Extra virgin olive oil
- Where
- Brazil
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- University of Campinas, Brazil
Cushing Syndrome, Acromegaly
Muscle in Acromegaly and Cushing's Syndrome
Cushing's syndrome (CS) and acromegaly determine myopathy and muscle weakness which persist long-term after control of hormone excess.
- Trial name
- MAC (NCT03673761)
- Testing
- MRI, dual-energy, x-ray absorptiometry, muscle ultrasounds, blood testing
- Where
- Spain
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau
Stress, Sympathetic Nervous System
Glucose Levels as a Biomarker for Stress in Firefighters
Stress is known to cause physical structures in the brain to dysregulate, resulting in health problems like cancer, cardiac disease, metabolic disorders (obesity), and depression.
- Conditions
- Stress, Sympathetic Nervous System, Hypothalamic Pituitary Adrenal
- Trial name
- NCT06899373
- Testing
- Continuous glucometer
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Utah
Brain and Central Nervous System Tumors
Tumor Tissue, Blood Samples, and Family History in Predicting Tumor Development and Response to Treatment in Young Patients With Low-Grade Glioma
RATIONALE: Studying samples of tumor tissue and blood in the laboratory may help doctors learn more about changes that occur in DNA and identify biomarkers related to cancer.
- Trial name
- NCT00891722
- Testing
- biologic sample preservation procedure, laboratory biomarker analysis, questionnaire administration
- Where
- United Kingdom
- Volunteers
- 900 people, healthy volunteers welcome
- Sponsor
- Children's Cancer and Leukaemia Group
Growth Hormone Deficiency
Diagnosing Adult Growth Hormone Deficiency
The purpose of this study was to validate the growth hormone releasing hormone (GHRH) plus arginine (GHRH+arg) stimulation test and it´s cut-off limits for diagnosis of adult growth hormone deficiency using the growth hormone…
- Trial name
- NCT03018886
- Testing
- GHRH plus arginine test
- Where
- Finland
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Helsinki University Central Hospital
Acromegaly, Pituitary Tumor
The Observational Study of Growth Hormone-secreting Pituitary Tumors
The major purpose of this study is to evaluate the changes of multiple organs in patients with growth hormone-secreting pituitary tumors before and after surgery.
- Trial name
- NCT01368133
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Huashan Hospital