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Everaert K, Holm-Larsen T, Bou Kheir G, Rottey S, Weiss JP, Vande Walle J, Kabarriti AE, Dossche L, Hervé F, Spinoit AF, Nørgaard JP, Juul KV. Potential clinical applications of current and future oral forms of desmopressin (Review). Exp Ther Med 2024; 28:303. [PMID: 38873038 PMCID: PMC11170333 DOI: 10.3892/etm.2024.12592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 03/06/2024] [Indexed: 06/15/2024] Open
Abstract
Desmopressin is a synthetic analogue of vasopressin and a selective vasopressin receptor 2 agonist. It was first synthesised in 1967 and utilised for its antidiuretic properties. It is also used in bleeding disorders to enhance clotting. Other potential uses of the drug have been reported. The present review aims to provide a broad overview of the literature on potential further uses of oral forms of desmopressin. Key therapeutic areas of interest were identified based on known physiological activities/targets of desmopressin or reports of an effect of desmopressin in the literature. The feasibility of adequate dosing with oral forms of the drug was also considered. Systematic literature searches were carried out using the silvi.ai software for the identified areas, and summaries of available papers were included in tables and discussed. The results of the searches showed that desmopressin has been investigated for its efficacy in a number of areas, including bleeding control, renal colic, the central nervous system and oncology. Evidence suggests that oral desmopressin may have the potential to be of clinical benefit for renal colic and bleeding control in particular. However, further research is needed to clarify its effect in these areas, including randomised controlled studies and studies specifically of oral formulations (and doses). Further research may also yield findings for cancer, cognition and overactive bladder.
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Affiliation(s)
- Karel Everaert
- Faculty of Medicine and Health Sciences, Department of Human Structure and Repair, Ghent University Hospital, 9000 Ghent, Belgium
| | - Tove Holm-Larsen
- Faculty of Medicine and Health Sciences, Department of Human Structure and Repair, Ghent University Hospital, 9000 Ghent, Belgium
| | - George Bou Kheir
- Department of Urology, Ghent University Hospital, 9000 Ghent, Belgium
| | - Sylvie Rottey
- Drug Research Unit and Department of Medical Oncology, Ghent University Hospital, 9000 Ghent, Belgium
| | - Jeffrey P. Weiss
- Department of Urology, State University of New York Downstate Health Sciences University, New York City, NY 11203, USA
| | - Johan Vande Walle
- Department of Pediatric Nephrology, Ghent University Hospital, 9000 Ghent, Belgium
| | - Abdo E. Kabarriti
- Department of Urology, State University of New York Downstate Health Sciences University, New York City, NY 11203, USA
| | - Lien Dossche
- Faculty of Medicine and Health Sciences, Department of Internal Medicine and Pediatrics, Ghent University Hospital, 9000 Ghent, Belgium
| | - François Hervé
- Department of Urology, Ghent University Hospital, 9000 Ghent, Belgium
| | - Anne-Françoise Spinoit
- Department of Pediatric & Reconstructive Urology, Ghent University Hospital, 9000 Ghent, Belgium
| | - Jens Peter Nørgaard
- Research & Development, Ferring Pharmaceuticals A/S, Ferring International PharmaScience Center, 2770 Copenhagen, Denmark
| | - Kristian Vinter Juul
- Research & Development, Ferring Pharmaceuticals A/S, Ferring International PharmaScience Center, 2770 Copenhagen, Denmark
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Valizadeh M, Rahmani F, Nikoohemmat M, Ramezani Ahmadi A, Hosseinpanah F, Niroomand M, Khameneh Bagheri A, Grossman A, Abiri B. Diagnostic Accuracy of the Desmopressin Stimulation Test in the Comprehensive Assessment of ACTH-Dependent Cushing's Syndrome: A Comparative Analysis with BIPSS and TSS. Endocr Res 2024:1-11. [PMID: 39030706 DOI: 10.1080/07435800.2024.2381720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 07/14/2024] [Indexed: 07/21/2024]
Abstract
BACKGROUND Cushing's syndrome (CS) poses diagnostic challenges, particularly in distinguishing pituitary-dependent Cushing's syndrome, Cushing's disease (CD), from the ectopic ACTH syndrome (EAS). This study evaluated the diagnostic value of the desmopressin stimulation test (DST) in patients with ACTH-dependent CS in helping this discrimination. METHODS Twenty-three ACTH-dependent CS patients underwent sequential DST, bilateral inferior petrosal sinus sampling (BIPSS), and transsphenoidal surgery (TSS). Two definitions of a positive DST results were applied. Diagnostic performance was assessed using sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and likelihood ratios. To avoid bias from predetermined criteria, we generated univariate receiver-operating characteristic (ROC) curves, plotting sensitivity against 1-specificity at various percentage cortisol and ACTH response levels. RESULTS Against BIPSS, DST demonstrated robust sensitivity (Definition 1: 90.0%, Definition 2: 76.2%) and overall accuracy (Definition 1: 87.0%, Definition 2: 73.9%). PPV was high (Definition 1: 95.0%, Definition 2: 94.1%), but NPV indicated potential false negatives. Compared to TSS, DST showed good sensitivity (Definition 1: 90.9-77.3%) and PPV (100.0%) but limited NPV (16.7%). The likelihood ratios emphasized the diagnostic value of the test. Notably, against TSS, DST showed perfect discriminatory power (AUC 1.000 for percent ACTH, 0.983 for percent cortisol). CONCLUSION The desmopressin test shows promise in accurately identifying the underlying cause of ACTH-dependent CS, potentially reducing the reliance on invasive procedures and providing a practical solution for managing complex cases. Further research with larger cohorts is required to validate the utility of the DST in routine clinical practice.
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Affiliation(s)
- Majid Valizadeh
- Obesity Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fatemeh Rahmani
- Clinical Research and Development Center, Shahid Modarres Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Nikoohemmat
- Obesity Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Farhad Hosseinpanah
- Obesity Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahtab Niroomand
- Endocrinology Division, Department of Internal Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Ashley Grossman
- Centre for Endocrinology, Barts and The London School of Medicine, London, UK
- ENETS Centre of Excellence, Royal Free Hospital, London, UK
- Green Templeton College, University of Oxford, Oxford, UK
| | - Behnaz Abiri
- Obesity Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Giampietro RR, Cabral MVG, Pereira EG, Machado MC, Vilar L, Nunes-Nogueira VDS. Accuracy of the 10 μg desmopressin test for differential diagnosis of Cushing syndrome: a systematic review and meta-analysis. Front Endocrinol (Lausanne) 2024; 15:1332120. [PMID: 38352712 PMCID: PMC10861662 DOI: 10.3389/fendo.2024.1332120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 01/09/2024] [Indexed: 02/16/2024] Open
Abstract
We evaluated the accuracy of the 10 μg desmopressin test in differentiating Cushing disease (CD) from non-neoplastic hypercortisolism (NNH) and ectopic ACTH syndrome (EAS). A systematic review of studies on diagnostic test accuracy in patients with CD, NNH, or EAS subjected to the desmopressin test obtained from LILACS, PubMed, EMBASE, and CENTRAL databases was performed. Two reviewers independently selected the studies, assessed the risk of bias, and extracted the data. Hierarchical and bivariate models on Stata software were used for meta-analytical summaries. The certainty of evidence was measured using the GRADE (Grading of Recommendations Assessment, Development, and Evaluation Working Group) approach. In total, 14 studies were included: 3 studies on differentiated CD versus NNH and 11 studies on differentiated CD versus EAS. Considering ΔACTH in 8 studies involving 429 patients, the pooled sensitivity for distinguishing CD from EAS was 0.85 (95% confidence interval [CI]: 0.80-0.89, I2 = 17.6%) and specificity was 0.64 (95% CI: 0.49-0.76, I2 = 9.46%). Regarding Δcortisol in 6 studies involving 233 participants, the sensitivity for distinguishing CD from EAS was 0.81 (95% CI: 0.74-0.87, I2 = 7.98%) and specificity was 0.80 (95% CI: 0.61-0.91, I2 = 12.89%). The sensitivity and specificity of the combination of ΔACTH > 35% and Δcortisol > 20% in 5 studies involving 511 participants were 0.88 (95% CI: 0.79-0.93, I2 = 35%) and 0.74 (95% CI: 0.55-0.87, I2 = 27%), respectively. The pooled sensitivity for distinguishing CD from NNH in 3 studies involving 170 participants was 0.88 (95% CI: 0.79-0.93) and the specificity was 0.94 (95% CI: 0.86-0.97). Based on the desmopressin test for differentiating CD from EAS, considering ΔACTH, Δcortisol, or both percent increments, 15%, 19%, or 20% of patients with CD, respectively, would be incorrectly classified as having EAS. For CD versus NNH, 11% of patients with CD would be falsely diagnosed as having NNH, whereas 7% of patients with NNH would be falsely diagnosed as having CD. However, in all hierarchical plots, the prediction intervals were considerably wider than the confidence intervals. This indicates low confidence in the estimated accuracy, and the true accuracy is likely to be different. Systematic review registration https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=85634, identifier CRD42018085634; https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=68317, identifier CRD42017068317.
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Affiliation(s)
- Rodrigo Rosa Giampietro
- Department of Internal Medicine, Sao Paulo State University/UNESP, Medical School, Sao Paulo, Brazil
| | | | - Elizandra Gomes Pereira
- Department of Internal Medicine, Sao Paulo State University/UNESP, Medical School, Sao Paulo, Brazil
| | - Marcio Carlos Machado
- Neuroendocrine Unit, Division of Endocrinology and Metabolism, Hospital das Clínicas, University of Sao Paulo Medical School, Sao Paulo, Brazil
| | - Lucio Vilar
- Division of Endocrinology, Hospital das Clínicas, Federal University of Pernambuco, Recife, Brazil
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Wright K, van Rossum EFC, Zan E, Werner N, Harris A, Feelders RA, Agrawal N. Emerging diagnostic methods and imaging modalities in cushing's syndrome. Front Endocrinol (Lausanne) 2023; 14:1230447. [PMID: 37560300 PMCID: PMC10407789 DOI: 10.3389/fendo.2023.1230447] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Accepted: 07/05/2023] [Indexed: 08/11/2023] Open
Abstract
Endogenous Cushing's syndrome (CS) is a rare disease characterized by prolonged glucocorticoid excess. Timely diagnosis is critical to allow prompt treatment and limit long-term disease morbidity and risk for mortality. Traditional biochemical diagnostic modalities each have limitations and sensitivities and specificities that vary significantly with diagnostic cutoff values. Biochemical evaluation is particularly complex in patients whose hypercortisolemia fluctuates daily, often requiring repetition of tests to confirm or exclude disease, and when delineating CS from physiologic, nonneoplastic states of hypercortisolism. Lastly, traditional pituitary MRI may be negative in up to 60% of patients with adrenocorticotropic hormone (ACTH)-secreting pituitary adenomas (termed "Cushing's disease" [CD]) whereas false positive pituitary MRI findings may exist in patients with ectopic ACTH secretion. Thus, differentiating CD from ectopic ACTH secretion may necessitate dynamic testing or even invasive procedures such as bilateral inferior petrosal sinus sampling. Newer methods may relieve some of the diagnostic uncertainty in CS, providing a more definitive diagnosis prior to subjecting patients to additional imaging or invasive procedures. For example, a novel method of cortisol measurement in patients with CS is scalp hair analysis, a non-invasive method yielding cortisol and cortisone values representing long-term glucocorticoid exposure of the past months. Hair cortisol and cortisone have both shown to differentiate between CS patients and controls with a high sensitivity and specificity. Moreover, advances in imaging techniques may enhance detection of ACTH-secreting pituitary adenomas. While conventional pituitary MRI may fail to identify microadenomas in patients with CD, high-resolution 3T-MRI with 3D-spoiled gradient-echo sequence has thinner sections and superior soft-tissue contrast that can detect adenomas as small as 2 mm. Similarly, functional imaging may improve the identification of ACTH-secreting adenomas noninvasively; Gallium-68-tagged corticotropin-releasing hormone (CRH) combined with PET-CT can be used to detect CRH receptors, which are upregulated on corticotroph adenomas. This technique can delineate functionality of adenomas in patients with CD from patients with ectopic ACTH secretion and false positive pituitary lesions on MRI. Here, we review emerging methods and imaging modalities for the diagnosis of CS, discussing their diagnostic accuracy, strengths and limitations, and applicability to clinical practice.
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Affiliation(s)
- Kyla Wright
- New York University (NYU) Grossman School of Medicine, New York, NY, United States
| | - Elisabeth F. C. van Rossum
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical College (MC), University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Elcin Zan
- Department of Radiology, Weill Cornell Medicine, New York, NY, United States
| | - Nicole Werner
- New York University (NYU) Grossman School of Medicine, New York, NY, United States
| | - Alan Harris
- Department of Medicine, Division of Endocrinology, New York University (NYU) Langone Medical Center, New York, NY, United States
| | - Richard A. Feelders
- Department of Internal Medicine, Division of Endocrinology, Erasmus Medical College (MC), University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Nidhi Agrawal
- Department of Medicine, Division of Endocrinology, New York University (NYU) Langone Medical Center, New York, NY, United States
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Nowak E, Vogel F, Albani A, Braun L, Rubinstein G, Zopp S, Ritzel K, Beuschlein F, Theodoropoulou M, Reincke M. Diagnostic challenges in cyclic Cushing's syndrome: a systematic review. Lancet Diabetes Endocrinol 2023:S2213-8587(23)00150-X. [PMID: 37429301 DOI: 10.1016/s2213-8587(23)00150-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 05/12/2023] [Accepted: 05/12/2023] [Indexed: 07/12/2023]
Abstract
Cyclic Cushing's syndrome is a subentity of Cushing's syndrome in which phases of biochemical hypercortisolism (peaks) are followed by spontaneous periods of physiological or even hypocortisolaemic cortisol secretion (troughs). To identify common features of cyclic Cushing's syndrome, we systematically reviewed single case reports and case series in MEDLINE from database inception to Oct 10, 2022, and identified 707 articles, of which 149 articles were assessed for eligibility and 118 articles (covering 212 cases) were included in the analysis. Pituitary tumours accounted for 67% of cases of cyclic Cushing's syndrome (n=143), ectopic tumours for 17% (n=36), and adrenal tumours for 11% (n=23). Occult tumours accounted for 2% of cases (n=4), and 3% of cases were unclassified (n=6). We compared the clinical symptoms and comorbidities of patients with cyclic Cushing's syndrome with those of patients with non-cyclic Cushing's syndrome and observed no major difference. In adrenocorticotropic hormone (ACTH)-dependent cyclic Cushing's syndrome, bilateral inferior petrosal sinus sampling had a positive (ie, true pituitary) and negative (ie, true ectopic) predictive value of 100% when performed during periods of hypercortisolism, versus a positive predictive value of 73% and a negative predictive value of 86% when performed, irrespective of cortisolaemic status. Overall, 6% of patients (n=12) with cyclic Cushing's syndrome had unnecessary surgery due to misclassification. Remission rates were significantly lower and the time to remission significantly longer in patients with cyclic Cushing's syndrome compared with patients with non-cyclic Cushing's syndrome (p<0·001). Variations in biochemical test results due to unpredictable cycle duration and frequency might cause diagnostic challenges resulting in misdiagnoses and missed diagnoses.
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Affiliation(s)
- Elisabeth Nowak
- Department of Medicine IV, LMU University Hospital, LMU Munich, Munich, Germany.
| | - Frederick Vogel
- Department of Medicine IV, LMU University Hospital, LMU Munich, Munich, Germany
| | - Adriana Albani
- Department of Medicine IV, LMU University Hospital, LMU Munich, Munich, Germany
| | - Leah Braun
- Department of Medicine IV, LMU University Hospital, LMU Munich, Munich, Germany
| | - German Rubinstein
- Department of Medicine IV, LMU University Hospital, LMU Munich, Munich, Germany
| | - Stephanie Zopp
- Department of Medicine IV, LMU University Hospital, LMU Munich, Munich, Germany
| | - Katrin Ritzel
- Department of Medicine IV, LMU University Hospital, LMU Munich, Munich, Germany
| | - Felix Beuschlein
- Department of Medicine IV, LMU University Hospital, LMU Munich, Munich, Germany; Department of Endocrinology, Diabetology, and Clinical Nutrition, University Hospital Zürich, Zürich, Switzerland
| | | | - Martin Reincke
- Department of Medicine IV, LMU University Hospital, LMU Munich, Munich, Germany.
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Findling JW, Raff H. Recognition of Nonneoplastic Hypercortisolism in the Evaluation of Patients With Cushing Syndrome. J Endocr Soc 2023; 7:bvad087. [PMID: 37440963 PMCID: PMC10334485 DOI: 10.1210/jendso/bvad087] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Indexed: 07/15/2023] Open
Abstract
The evaluation of suspected hypercortisolism is one of the most challenging problems in medicine. The signs and symptoms described by Dr Harvey Cushing are common and often create diagnostic confusion to even experienced endocrinologists. Cushing syndrome is classically defined as neoplastic hypercortisolism resulting from an ACTH-secreting tumor or from autonomous secretion of excess cortisol associated with benign or malignant adrenal neoplasia. The increasing recognition of the negative cardiometabolic effects of mild cortisol excess without overt physical signs of Cushing syndrome has led to more screening for endogenous hypercortisolism in patients with adrenal nodular disease, osteoporosis, and the metabolic syndrome. However, sustained or intermittent activation of the dynamic hypothalamic-pituitary-adrenal axis caused by chemical (alcohol), inflammatory (chronic kidney disease), psychologic (major depression), and physical (starvation/chronic intense exercise) stimuli can result in clinical and/or biochemical features indistinguishable from neoplastic hypercortisolism. Nonneoplastic hypercortisolism (formerly known as pseudo-Cushing syndrome) has been recognized for more than 50 years and often causes diagnostic uncertainty. This expert consultation describes two patients with features of Cushing syndrome who were referred for inferior petrosal sinus sampling for the differential diagnosis of ACTH-dependent hypercortisolism. Both patients were discovered to have nonneoplastic hypercortisolism: one from a covert alcohol use disorder and the other to chronic kidney disease. This consultation emphasizes the value of a good history and physical examination, appropriate laboratory testing, and the desmopressin acetate stimulation test to aid in distinguishing neoplastic from nonneoplastic hypercortisolism.
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Affiliation(s)
- James W Findling
- Department of Medicine (Endocrinology and Molecular Medicine), Medical College of Wisconsin, Milwaukee, WI 53226, USA
- Department of Surgery, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Hershel Raff
- Correspondence: Hershel Raff, PhD, Endocrinology Research HRC4150, Medical College of Wisconsin, 8701 Watertown Plank Rd, Milwaukee, WI 53226, USA.
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Raby WN, Heller M, Milliaressis D, Choi CJ, Basaraba C, Levin FR, Church S, Pavlicova M, Nunes EV. Cocaine use disorder patients develop distinct patterns of regulation of acth secretion by a vasopressin agonist and oxytocin: Report on a laboratory study. DRUG AND ALCOHOL DEPENDENCE REPORTS 2023; 7:100158. [PMID: 37397438 PMCID: PMC10311151 DOI: 10.1016/j.dadr.2023.100158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 02/27/2023] [Accepted: 04/05/2023] [Indexed: 07/04/2023]
Abstract
Background : Oxytocin and Vasopressin systems in the brain sustain adaptation to stressors. Cocaine being a stressor, it may alter brain homeostatic function. This dysregulation may entrench cocaine use disorder. Method : This is a human laboratory study of the effects of intranasal desmopressin (a Vasopressin 1b receptor agonist) and oxytocin on ACTH secretion in cocaine use disorder patients versus a control group. It consisted of two endocrine challenges performed on consecutive days. On day 1, the effect of intranasal desmopressin (80 IU) on ACTH secretion was measured. On day 2, a pre-treatment with intranasal oxytocin (24 IU) preceded intranasal desmopressin to monitor its effect on desmopressin-induced ACTH secretion. We hypothesized that the effect of intranasal oxytocin in controls would differ from the effect in cocaine use disorder patients. Results : Forty-three patients were included in this study: 14 controls and 29 cocaine use disorder patients. Significant differences were noted in the direction of change of ACTH secretion between the two groups. In cocaine use disorder patients, overall ACTH secretion was on average 2.7 pg/ml/min higher after intranasal desmopressin than after intranasal oxytocin/desmopressin (t292 = 2.91, p = 0.004). The opposite was observed in controls: overall ACTH secretion averaged 3.3 pg/ml/min less after intranasal desmopressin than after intranasal oxytocin/desmopressin (t292 = -2.35, p = 0.02). Conclusion : Intranasal oxytocin and desmopressin revealed a pattern of ACTH secretion in cocaine use disorder patients that is distinct from a non-addicted control group. (ClinicalTrial.gov00255357, 10/2014).
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Affiliation(s)
- Wilfrid Noël Raby
- Division on Substance Abuse, Department of Psychiatry, Montefiore Medical Center, Albert Einstein College of Medicine, 1510 Waters Place, 2nd Floor, Bronx, NY, 10461
- Division on Substance Use Disorders, Department of Psychiatry, Columbia University Irving Medical Center and the New York State Psychiatric Institute, New York, NY, USA
| | - Matthew Heller
- Division on Substance Use Disorders, Department of Psychiatry, Columbia University Irving Medical Center and the New York State Psychiatric Institute, New York, NY, USA
| | - Demetrios Milliaressis
- Division on Substance Use Disorders, Department of Psychiatry, Columbia University Irving Medical Center and the New York State Psychiatric Institute, New York, NY, USA
| | - C. Jean Choi
- Division of Mental Health Data Science, New York State Psychiatric Institute, New York, NY, USA
| | - Cale Basaraba
- Division of Mental Health Data Science, New York State Psychiatric Institute, New York, NY, USA
| | - Frances R. Levin
- Division on Substance Use Disorders, Department of Psychiatry, Columbia University Irving Medical Center and the New York State Psychiatric Institute, New York, NY, USA
| | - Sarah Church
- Wholeview Wellness Centers, 369 Lexington Avenue, Suite 14A, New York City, NY, 10017, USA
| | - Martina Pavlicova
- Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Edward V. Nunes
- Division on Substance Use Disorders, Department of Psychiatry, Columbia University Irving Medical Center and the New York State Psychiatric Institute, New York, NY, USA
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Ceccato F, Barbot M, Mondin A, Boscaro M, Fleseriu M, Scaroni C. Dynamic testing for differential diagnosis of ACTH-dependent Cushing Syndrome: a systematic review and meta-analysis. J Clin Endocrinol Metab 2022; 108:e178-e188. [PMID: 36453141 DOI: 10.1210/clinem/dgac686] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 11/21/2022] [Accepted: 11/28/2022] [Indexed: 12/03/2022]
Abstract
OBJECTIVE Diagnostic accuracy of testing currently used for the differential diagnosis of Cushing's disease (CD) vs ectopic -ACTH secretion (EAS) is difficult to interpret. The present study aimed to identify and evaluate the diagnostic accuracy of corticotropin-releasing hormone (CRH) test, desmopressin test, and high-dose dexamethasone suppression test (HDDST) when used to establish a CD or EAS diagnosis. DESIGN This study is a systematic review of the literature and meta-analysis. METHODS MEDLINE, OVID, and Web of Science databases were searched for articles published between the years 1990-2021. Articles included described at least one test(s) (CRH, desmopressin, or HDDST) and the diagnostic reference standard(s) (histopathology, petrosal sinus sampling, surgical remission, imaging, and long-term follow-up) used to establish a CD or EAS diagnosis. RESULTS Sixty-two studies were included: 43 reported the use of HDDST, 32 CRH test, and 21 desmopressin test. CRH test was found to have the highest sensitivity in detecting CD (ACTH 86.9%, 95% confidence interval [CI] 82.1-90.6, cortisol 86.2%, 95%CI 78.3-91.5) and the highest specificity in detecting EAS (ACTH 93.9%, 95%CI 87-98.3, cortisol 89.4%, 95%CI 82.8-93.7). This resulted in a high diagnostic odds ratio (58, 95%CI 43.25-77.47), large area under the curve, and a receiver-operating characteristic (ROC) of 0.934. The diagnostic accuracy of HDDST and desmopressin test(s) was lower than that of the CRH test. CONCLUSION The meta-analysis indicates that a patient with a positive ACTH response after a CRH test is highly likely to have CD. Further studies analysing role of dynamic testing in addition to imaging are needed.
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Affiliation(s)
- Filippo Ceccato
- Department of Medicine DIMED, University of Padova, Padova, Italy
- Endocrine Disease Unit, University-Hospital of Padova, Padova, Italy
| | - Mattia Barbot
- Department of Medicine DIMED, University of Padova, Padova, Italy
- Endocrine Disease Unit, University-Hospital of Padova, Padova, Italy
| | - Alessandro Mondin
- Department of Medicine DIMED, University of Padova, Padova, Italy
- Endocrine Disease Unit, University-Hospital of Padova, Padova, Italy
| | - Marco Boscaro
- Department of Medicine DIMED, University of Padova, Padova, Italy
| | - Maria Fleseriu
- Oregon Health & Science University, Pituitary Center, Department of Medicine, Division of Endocrinology, Diabetes and Clinical Nutrition and Department of Neurological Surgery, Portland, USA
| | - Carla Scaroni
- Department of Medicine DIMED, University of Padova, Padova, Italy
- Endocrine Disease Unit, University-Hospital of Padova, Padova, Italy
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Castinetti F, Lacroix A. Is Desmopressin Useful in the Evaluation of Cushing Syndrome? J Clin Endocrinol Metab 2022; 107:e4295-e4301. [PMID: 36103267 DOI: 10.1210/clinem/dgac533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Indexed: 02/13/2023]
Abstract
The desmopressin test was first described 30 years ago. Based on the differential secretagogue properties of desmopressin on adrenocorticotropin (ACTH) release between normal and corticotroph tumor cells, this test was intended to facilitate the diagnosis of Cushing syndrome (CS). The distinct expression of the various arginine vasopressin receptors between normal pituitary, corticotroph tumors, or neuroendocrine tumors cells secreting ACTH ectopically suggested that this test could facilitate the etiological diagnosis of ACTH-dependent CS. In this review, we analyze the merits and pitfalls of desmopressin use in the diagnostic procedures of CS. Desmopressin response is not able to completely differentiate the various etiologies of CS; its wider availability has allowed its use for inferior petrosal sinus sampling confirmation of a pituitary source of ACTH excess. In addition, desmopressin can be useful to demonstrate adequate corticotroph tumor resection when its stimulatory effect is lost following pituitary surgery of patients with Cushing disease. Desmopressin response can also be a marker of the risk of longer-term postoperative recurrence. However, this review also highlights the lack of consensual criteria of normal or abnormal response to desmopressin in its various uses and requirement for further research on its usefulness.
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Affiliation(s)
- Frederic Castinetti
- Department of Endocrinology, Aix Marseille University, Assistance Publique-Hopitaux de Marseille, INSERM, Marseille Medical Genetics, Marmara Institute, French Reference Center for Rare Pituitary Diseases, Endo-European Reference Network and EURACAN European Expert Center on Rare Pituitary Tumors, La Conception Hospital, 13385 Marseille Cedex 05, France
| | - André Lacroix
- Division of Endocrinology, Department of Medicine Research Center, Centre Hospitalier de l'Université de Montréal (CHUM), H2X 0C1, Montreal, Quebec, Canada
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Tabarin A, Assié G, Barat P, Bonnet F, Bonneville JF, Borson-Chazot F, Bouligand J, Boulin A, Brue T, Caron P, Castinetti F, Chabre O, Chanson P, Corcuff JB, Cortet C, Coutant R, Dohan A, Drui D, Espiard S, Gaye D, Grunenwald S, Guignat L, Hindie E, Illouz F, Kamenicky P, Lefebvre H, Linglart A, Martinerie L, North MO, Raffin-Samson ML, Raingeard I, Raverot G, Raverot V, Reznik Y, Taieb D, Vezzosi D, Young J, Bertherat J. Consensus statement by the French Society of Endocrinology (SFE) and French Society of Pediatric Endocrinology & Diabetology (SFEDP) on diagnosis of Cushing's syndrome. ANNALES D'ENDOCRINOLOGIE 2022; 83:119-141. [PMID: 35192845 DOI: 10.1016/j.ando.2022.02.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Cushing's syndrome is defined by prolonged exposure to glucocorticoids, leading to excess morbidity and mortality. Diagnosis of this rare pathology is difficult due to the low specificity of the clinical signs, the variable severity of the clinical presentation, and the difficulties of interpretation associated with the diagnostic methods. The present consensus paper by 38 experts of the French Society of Endocrinology and the French Society of Pediatric Endocrinology and Diabetology aimed firstly to detail the circumstances suggesting diagnosis and the biologic diagnosis tools and their interpretation for positive diagnosis and for etiologic diagnosis according to ACTH-independent and -dependent mechanisms. Secondly, situations making diagnosis complex (pregnancy, intense hypercortisolism, fluctuating Cushing's syndrome, pediatric forms and genetically determined forms) were detailed. Lastly, methods of surveillance and diagnosis of recurrence were dealt with in the final section.
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Affiliation(s)
- Antoine Tabarin
- Service Endocrinologie, Diabète et Nutrition, Université, Hôpital Haut-Leveque CHU de Bordeaux, 33604 Pessac, France.
| | - Guillaume Assié
- Centre de Référence Maladies Rares de la Surrénale (CRMRS), Service d'Endocrinologie, Hôpital Cochin, AP-HP, Université de Paris, Paris, France
| | - Pascal Barat
- Unité d'Endocrinologie-Diabétologie-Gynécologie-Obésité Pédiatrique, Hôpital des Enfants CHU Bordeaux, Bordeaux, France
| | - Fidéline Bonnet
- UF d'Hormonologie Hôpital Cochin, Université de Paris, Institut Cochin Inserm U1016, CNRS UMR8104, Paris, France
| | | | - Françoise Borson-Chazot
- Fédération d'Endocrinologie, Hôpital Louis-Pradel, Hospices Civils de Lyon, INSERM U1290, Université Lyon1, 69002 Lyon, France
| | - Jérôme Bouligand
- Faculté de Médecine Paris-Saclay, Unité Inserm UMRS1185 Physiologie et Physiopathologie Endocriniennes, Paris, France
| | - Anne Boulin
- Service de Neuroradiologie, Hôpital Foch, 92151 Suresnes, France
| | - Thierry Brue
- Aix-Marseille Université, Institut National de la Recherche Scientifique (INSERM) U1251, Marseille Medical Genetics, Marseille, France; Assistance publique-Hôpitaux de Marseille, Service d'Endocrinologie, Hôpital de la Conception, Centre de Référence Maladies Rares HYPO, 13005 Marseille, France
| | - Philippe Caron
- Service d'Endocrinologie et Maladies Métaboliques, Pôle Cardiovasculaire et Métabolique, CHU Larrey, 24, chemin de Pouvourville, TSA 30030, 31059 Toulouse cedex, France
| | - Frédéric Castinetti
- Aix-Marseille Université, Institut National de la Recherche Scientifique (INSERM) U1251, Marseille Medical Genetics, Marseille, France; Assistance publique-Hôpitaux de Marseille, Service d'Endocrinologie, Hôpital de la Conception, Centre de Référence Maladies Rares HYPO, 13005 Marseille, France
| | - Olivier Chabre
- Université Grenoble Alpes, UMR 1292 INSERM-CEA-UGA, Endocrinologie, CHU Grenoble Alpes, 38000 Grenoble, France
| | - Philippe Chanson
- Université Paris-Saclay, Inserm, Physiologie et Physiopathologie Endocriniennes, Assistance publique-Hôpitaux de Paris, Hôpital Bicêtre, Service d'Endocrinologie et des Maladies de la Reproduction, Centre de Référence des Maladies Rares de l'Hypophyse HYPO, Le Kremlin-Bicêtre, France
| | - Jean Benoit Corcuff
- Laboratoire d'Hormonologie, Service de Médecine Nucléaire, CHU Bordeaux, Laboratoire NutriNeuro, UMR 1286 INRAE, Université de Bordeaux, Bordeaux, France
| | - Christine Cortet
- Service d'Endocrinologie, Diabétologie, Métabolisme et Nutrition, CHU de Lille, Lille, France
| | - Régis Coutant
- Service d'Endocrinologie Pédiatrique, CHU Angers, Centre de Référence, Centre Constitutif des Maladies Rares de l'Hypophyse, CHU Angers, Angers, France
| | - Anthony Dohan
- Department of Radiology A, Hôpital Cochin, AP-HP, 75014 Paris, France
| | - Delphine Drui
- Service Endocrinologie-Diabétologie et Nutrition, l'institut du Thorax, CHU Nantes, 44092 Nantes cedex, France
| | - Stéphanie Espiard
- Service d'Endocrinologie, Diabétologie, Métabolisme et Nutrition, INSERM U1190, Laboratoire de Recherche Translationnelle sur le Diabète, 59000 Lille, France
| | - Delphine Gaye
- Service de Radiologie, Hôpital Haut-Lêveque, CHU de Bordeaux, 33604 Pessac, France
| | - Solenge Grunenwald
- Service d'Endocrinologie, Hôpital Larrey, CHU Toulouse, Toulouse, France
| | - Laurence Guignat
- Centre de Référence Maladies Rares de la Surrénale (CRMRS), Service d'Endocrinologie, Hôpital Cochin, AP-HP, Université de Paris, Paris, France
| | - Elif Hindie
- Service de Médecine Nucléaire, CHU de Bordeaux, Université de Bordeaux, Bordeaux, France
| | - Frédéric Illouz
- Centre de Référence Maladies Rares de la Thyroïde et des Récepteurs Hormonaux, Service Endocrinologie-Diabétologie-Nutrition, CHU Angers, 49933 Angers cedex 9, France
| | - Peter Kamenicky
- Assistance publique-Hôpitaux de Paris, Hôpital Bicêtre, Service d'Endocrinologie et des Maladies de la Reproduction, Centre de Référence des Maladies Rares de l'Hypophyse, 94275 Le Kremlin-Bicêtre, France
| | - Hervé Lefebvre
- Service d'Endocrinologie, Diabète et Maladies Métaboliques, CHU de Rouen, Rouen, France
| | - Agnès Linglart
- Paris-Saclay University, AP-HP, Endocrinology and Diabetes for Children, Reference Center for Rare Disorders of Calcium and Phosphate Metabolism, Filière OSCAR, and Platform of Expertise for Rare Disorders, INSERM, Physiologie et Physiopathologie Endocriniennes, Bicêtre Paris-Saclay Hospital, Le Kremlin-Bicêtre, France
| | - Laetitia Martinerie
- Service d'Endocrinologie Pédiatrique, CHU Robert-Debré, AP-HP, Paris, France; Université de Paris, Paris, France
| | - Marie Odile North
- Service de Génétique et Biologie Moléculaire, Hôpital Cochin, AP-HP, Université de Paris, Paris, France
| | - Marie Laure Raffin-Samson
- Service d'Endocrinologie Nutrition, Hôpital Ambroise-Paré, GHU Paris-Saclay, AP-HP Boulogne, EA4340, Université de Versailles-Saint-Quentin, Paris, France
| | - Isabelle Raingeard
- Maladies Endocriniennes, Hôpital Lapeyronie, CHU Montpellier, Montpellier, France
| | - Gérald Raverot
- Fédération d'Endocrinologie, Centre de Référence Maladies Rares Hypophysaires, "Groupement Hospitalier Est", Hospices Civils de Lyon, Lyon, France
| | - Véronique Raverot
- Hospices Civils de Lyon, LBMMS, Centre de Biologie Est, Service de Biochimie et Biologie Moléculaire, 69677 Bron cedex, France
| | - Yves Reznik
- Department of Endocrinology and Diabetology, CHU Côte-de-Nacre, 14033 Caen cedex, France; University of Caen Basse-Normandie, Medical School, 14032 Caen cedex, France
| | - David Taieb
- Aix-Marseille Université, CHU La Timone, AP-HM, Marseille, France
| | - Delphine Vezzosi
- Service d'Endocrinologie, Hôpital Larrey, CHU Toulouse, Toulouse, France
| | - Jacques Young
- Assistance publique-Hôpitaux de Paris, Hôpital Bicêtre, Service d'Endocrinologie et des Maladies de la Reproduction, Centre de Référence des Maladies Rares de l'Hypophyse, 94275 Le Kremlin-Bicêtre, France
| | - Jérôme Bertherat
- Centre de Référence Maladies Rares de la Surrénale (CRMRS), Service d'Endocrinologie, Hôpital Cochin, AP-HP, Université de Paris, Paris, France
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11
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Pinelli S, Barbot M, Scaroni C, Ceccato F. Second-Line Tests in the Diagnosis of Adrenocorticotropic Hormone-Dependent Hypercortisolism. Ann Lab Med 2021; 41:521-531. [PMID: 34108279 PMCID: PMC8203434 DOI: 10.3343/alm.2021.41.6.521] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 11/17/2020] [Accepted: 05/17/2021] [Indexed: 11/19/2022] Open
Abstract
Cushing’s syndrome (CS) is a rare disease caused by chronic and excessive cortisol secretion. When adrenocorticotropin hormone (ACTH) is measurable, autonomous adrenal cortisol secretion could be reasonably ruled out in a differential diagnosis of CS. ACTH-dependent CS accounts for 80%–85% of cases and involves cortisol production stimulated by uncontrolled pituitary or ectopic ACTH secretion. Pituitary adenoma is not detected in up to one-third of cases with pituitary ACTH secretion, whereas cases of CS due to ectopic ACTH secretion may be associated with either malignant neoplasia (such as small cell lung carcinoma) or less aggressive neuroendocrine tumors, exhibiting only the typical symptoms and signs of CS. Since the differential diagnosis of ACTH-dependent CS may be a challenge, many strategies have been proposed. Since none of the available tests show 100% diagnostic accuracy, a step-by-step approach combining several diagnostic tools and a multidisciplinary evaluation in a referral center is suggested. In this review, we present a clinical case to demonstrate the diagnostic work-up of ACTH-dependent CS. We describe the most commonly used dynamic tests, as well as the applications of conventional or nuclear imaging and invasive procedures.
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Affiliation(s)
- Silvia Pinelli
- Endocrinology Unit, Department of Medicine (DIMED), University-Hospital of Padova, Padova, Italy
| | - Mattia Barbot
- Endocrinology Unit, Department of Medicine (DIMED), University-Hospital of Padova, Padova, Italy
| | - Carla Scaroni
- Endocrinology Unit, Department of Medicine (DIMED), University-Hospital of Padova, Padova, Italy
| | - Filippo Ceccato
- Endocrinology Unit, Department of Medicine (DIMED), University-Hospital of Padova, Padova, Italy.,Department of Neuroscience DNS, University of Padova, Padova, Italy
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12
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Świątkowska-Stodulska R, Berlińska A, Stefańska K, Kłosowski P, Sworczak K. Cyclic Cushing's Syndrome - A Diagnostic Challenge. Front Endocrinol (Lausanne) 2021; 12:658429. [PMID: 33967962 PMCID: PMC8101412 DOI: 10.3389/fendo.2021.658429] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 03/17/2021] [Indexed: 11/13/2022] Open
Abstract
Cyclic Cushing's syndrome (also known as intermittent or periodic) is a disease characterized by periods of transient hypercortisolemia shifting into periods of normo- and/or hypocortisolemia. Diagnosis of cyclic Cushing's syndrome is based on at least three periods of confirmed hypercortisolemia interspersed by two periods of normocortisolemia. Cyclic Cushing's syndrome is one of the greatest challenges in modern endocrinology due to its diverse clinical picture, unpredictable duration and frequency of phases, and various etiologies. We discuss a diagnostic algorithm for periodic hypercortisolemia with special regard to hair cortisol analysis and desmopressin stimulation test which both seem to be helpful in finding the correct answer.
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Affiliation(s)
- Renata Świątkowska-Stodulska
- Department of Endocrinology and Internal Medicine, Faculty of Medicine, Medical University of Gdańsk, Gdańsk, Poland
| | - Agata Berlińska
- Department of Endocrinology and Internal Medicine, Faculty of Medicine, Medical University of Gdańsk, Gdańsk, Poland
| | - Katarzyna Stefańska
- Department of Obstetrics, Faculty of Medicine, Medical University of Gdańsk, Gdańsk, Poland
| | - Przemysław Kłosowski
- Department of Endocrinology and Internal Medicine, Faculty of Medicine, Medical University of Gdańsk, Gdańsk, Poland
| | - Krzysztof Sworczak
- Department of Endocrinology and Internal Medicine, Faculty of Medicine, Medical University of Gdańsk, Gdańsk, Poland
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13
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Frete C, Corcuff JB, Kuhn E, Salenave S, Gaye D, Young J, Chanson P, Tabarin A. Non-invasive Diagnostic Strategy in ACTH-dependent Cushing's Syndrome. J Clin Endocrinol Metab 2020; 105:5864157. [PMID: 32594169 DOI: 10.1210/clinem/dgaa409] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Accepted: 06/22/2020] [Indexed: 01/29/2023]
Abstract
CONTEXT Inferior petrosal sinus sampling (IPSS) is used to diagnose Cushing's disease (CD) when dexamethasone-suppression and CRH tests, and pituitary magnetic resonance imaging (MRI), are negative or give discordant results. However, IPSS is an invasive procedure and its availability is limited. OBJECTIVE To test a noninvasive diagnostic strategy associated with 100% positive predictive value (PPV) for CD. DESIGN Retrospective study. SETTING Two university hospitals. PATIENTS A total of 167 patients with CD and 27 patients with ectopic ACTH-syndrome investigated between 2001 and 2016. MAIN OUTCOME MEASURE(S) Performance of a strategy involving the CRH and desmopressin tests with pituitary MRI followed by thin-slice whole-body computed tomography (CT) scan in patients with inconclusive results. RESULTS Using thresholds of a cortisol increase > 17% with an ACTH increase > 37% during the CRH test and a cortisol increase > 18% with an ACTH increase > 33% during the desmopressin test, the combination of both tests gave 73% sensitivity and 98% PPV of CD. The sensitivity and PPV for pituitary MRI were 71% and 99%, respectively. CT scan identified 67% EAS at presentation with no false-positives. The PPV for CD was 100% in patients with positive responses to both tests, with negative pituitary MRI and CT scan. The Negative Predictive Value was 100% in patients with negative responses to both tests, with negative pituitary MRI and positive CT scan. Using this strategy, IPPS could have been avoided in 47% of patients in whom it is currently recommended. CONCLUSIONS In conjunction with expert radiologic interpretation, the non-invasive algorithm studied significantly reduces the need for IPSS in the investigation of ACTH-dependent Cushing's syndrome.
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Affiliation(s)
- Caroline Frete
- Department of Endocrinology, Diabetes and Nutrition, University Hospital of Bordeaux, Pessac, France
| | - Jean-Benoît Corcuff
- Department of Nuclear Medicine, University Hospital of Bordeaux, Pessac, France
- Nutrition et Neurobiologie Intégrée, UMR 1286, University of Bordeaux, Bordeaux, France
| | - Emmanuelle Kuhn
- Assistance Publique-Hôpitaux de Paris, Hôpital Bicêtre, Service d'Endocrinologie et des Maladies de la Reproduction, Centre de Référence des Maladies Rares de l'Hypophyse, Le Kremlin-Bicêtre, France
| | - Sylvie Salenave
- Assistance Publique-Hôpitaux de Paris, Hôpital Bicêtre, Service d'Endocrinologie et des Maladies de la Reproduction, Centre de Référence des Maladies Rares de l'Hypophyse, Le Kremlin-Bicêtre, France
| | - Delphine Gaye
- Department of Radiology, University Hospital of Bordeaux, Pessac, France
| | - Jacques Young
- Assistance Publique-Hôpitaux de Paris, Hôpital Bicêtre, Service d'Endocrinologie et des Maladies de la Reproduction, Centre de Référence des Maladies Rares de l'Hypophyse, Le Kremlin-Bicêtre, France
- Université Paris-Sud, Inserm, Signalisation Hormonale, Physiopathologie Endocrinienne et Métabolique, Le Kremlin-Bicêtre, France
| | - Philippe Chanson
- Assistance Publique-Hôpitaux de Paris, Hôpital Bicêtre, Service d'Endocrinologie et des Maladies de la Reproduction, Centre de Référence des Maladies Rares de l'Hypophyse, Le Kremlin-Bicêtre, France
- Université Paris-Sud, Inserm, Signalisation Hormonale, Physiopathologie Endocrinienne et Métabolique, Le Kremlin-Bicêtre, France
| | - Antoine Tabarin
- Department of Endocrinology, Diabetes and Nutrition, University Hospital of Bordeaux, Pessac, France
- Physiopathologie de la Plasticité Neuronale, INSERM U1215, Neurocentre Magendie, Bordeaux, France
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Vassiliadi DA, Tsagarakis S. DIAGNOSIS OF ENDOCRINE DISEASE: The role of the desmopressin test in the diagnosis and follow-up of Cushing's syndrome. Eur J Endocrinol 2018; 178:R201-R214. [PMID: 29472379 DOI: 10.1530/eje-18-0007] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Accepted: 02/19/2018] [Indexed: 11/08/2022]
Abstract
Desmopressin is a vasopressin analogue selective for type 2 vasopressin receptors that mediate renal water retention. In contrast to the native hormone arginine vasopressin, a well-known ACTH secretagogue, desmopressin, exerts minimal or no activity on ACTH excretion. However, in a substantial proportion of patients with ACTH-dependent Cushing's syndrome (CS), desmopressin elicits an ACTH and cortisol response, which contrasts with the minimal responses obtained in healthy subjects. The mechanism underlying this paradoxical response involves upregulation of vasopressin type 3 and/or the aberrant expression of type 2 receptors by neoplastic ACTH-producing cells. This makes desmopressin administration a suitable test enabling the distinction between neoplastic from functional (formerly termed 'pseudo-Cushing syndrome') ACTH-dependent cortisol excess. Several studies have now established an adjunctive role of desmopressin in the initial diagnostic workup of CS. Despite some early data indicating that this test may also have a role in distinguishing between Cushing's disease (CD) and ectopic ACTH secretion, subsequent studies failed to confirm this observation. The ability of the paradoxical response to desmopressin to depict the presence of neoplastic ACTH-secreting cells was also exploited in the follow-up of patients with CD undergoing surgery. Loss of the desmopressin response, performed in the early postoperative period, was a good predictor for a favorable long-term outcome. Moreover, during follow-up, reappearance of desmopressin paradoxical response was an early indicator for recurrence. In conclusion, the desmopressin test is a valid tool in both the diagnosis and follow-up of patients with CD and should be more widely applied in the workup of these patients.
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Ambrogio AG, Andrioli M, De Martin M, Cavagnini F, Pecori Giraldi F. Usefulness of desmopressin testing to predict relapse during long-term follow-up in patients in remission from Cushing's disease. Endocr Connect 2017; 6:791-799. [PMID: 29018154 PMCID: PMC5682421 DOI: 10.1530/ec-17-0292] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 10/10/2017] [Indexed: 11/08/2022]
Abstract
Recurrence of Cushing's disease after successful transsphenoidal surgery occurs in some 30% of the patients and the response to desmopressin shortly after surgery has been proposed as a marker for disease recurrence. The aim of the present study was to evaluate the response to desmopressin over time after surgery. We tested 56 patients with Cushing's disease in remission after transsphenoidal surgery with desmopressin for up to 20 years after surgery. The ACTH and cortisol response to desmopressin over time was evaluated in patients on long-term remission or undergoing relapse; an increase by at least 27 pg/mL in ACTH levels identified responders. The vast majority of patients who underwent successful adenomectomy failed to respond to desmopressin after surgery and this response pattern was maintained over time in patients on long-term remission. Conversely, a response to desmopressin reappeared in patients who subsequently developed a recurrence of Cushing's disease, even years prior to frank hypercortisolism. It appears therefore that a change in the response pattern to desmopressin proves predictive of recurrence of Cushing's disease and may indicate which patients require close monitoring.
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Affiliation(s)
| | - Massimiliano Andrioli
- Neuroendocrinology Research LaboratoryIstituto Auxologico Italiano IRCCS, Milan, Italy
| | - Martina De Martin
- Neuroendocrinology Research LaboratoryIstituto Auxologico Italiano IRCCS, Milan, Italy
| | - Francesco Cavagnini
- Neuroendocrinology Research LaboratoryIstituto Auxologico Italiano IRCCS, Milan, Italy
| | - Francesca Pecori Giraldi
- Neuroendocrinology Research LaboratoryIstituto Auxologico Italiano IRCCS, Milan, Italy
- Department of Clinical Sciences and Community HealthUniversity of Milan, Milan, Italy
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Rotondo F, Butz H, Syro LV, Yousef GM, Di Ieva A, Restrepo LM, Quintanar-Stephano A, Berczi I, Kovacs K. Arginine vasopressin (AVP): a review of its historical perspectives, current research and multifunctional role in the hypothalamo-hypophysial system. Pituitary 2016; 19:345-55. [PMID: 26762848 DOI: 10.1007/s11102-015-0703-0] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
INTRODUCTION This publication reviews the function of arginine vasopressin and focuses on the morphologic and functional correlation between the hormone and its effect on stress, the hypophysial-adrenocortical axis, neuroimmune responses, renal function and corticotroph pituitary tumors. MATERIALS AND METHODS A literature review was performed using various search engines for information regarding the morphology and the multifunctional role of arginine vasopressin. RESULTS Although a large number of studies were published discussing these interactions, there are several important areas that are still obscure. CONCLUSION The questions of how does arginine vasopressin affect the morphology and function of these various areas, and how does the secretion of ACTH and adrenocortical hormones influence the morphology of arginine vasopressin-producing cells and their hormone secretion requires further investigation.
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Affiliation(s)
- Fabio Rotondo
- Division of Pathology, Department of Laboratory Medicine, Keenan Research Centre for Biomedical Science, Li Ka Shing Knowledge Institute, St. Michael's Hospital, 209 Victoria Street, Toronto, ON, M5B 1T8, Canada.
| | - Henriett Butz
- Division of Pathology, Department of Laboratory Medicine, Keenan Research Centre for Biomedical Science, Li Ka Shing Knowledge Institute, St. Michael's Hospital, 209 Victoria Street, Toronto, ON, M5B 1T8, Canada
| | - Luis V Syro
- Department of Neurosurgery, Hospital Pablo Tobon Uribe and Clinica Medellin, Medellín, Colombia
| | - George M Yousef
- Division of Pathology, Department of Laboratory Medicine, Keenan Research Centre for Biomedical Science, Li Ka Shing Knowledge Institute, St. Michael's Hospital, 209 Victoria Street, Toronto, ON, M5B 1T8, Canada
| | - Antonio Di Ieva
- Department of Neurosurgery, Macquarie University Hospital, Sydney, Australia
| | - Lina M Restrepo
- Division of Endocrinology, Clinica Medellin, Medellín, Colombia
| | - Andres Quintanar-Stephano
- Departamento de Fisiología y Farmacología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, Mexico
| | - Istvan Berczi
- Department of Immunology, Faculty of Medicine, University of Manitoba, Winnipeg, Canada
| | - Kalman Kovacs
- Division of Pathology, Department of Laboratory Medicine, Keenan Research Centre for Biomedical Science, Li Ka Shing Knowledge Institute, St. Michael's Hospital, 209 Victoria Street, Toronto, ON, M5B 1T8, Canada
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Rollin GAF, Costenaro F, Gerchman F, Rodrigues TC, Czepielewski MA. Evaluation of the DDAVP test in the diagnosis of Cushing's Disease. Clin Endocrinol (Oxf) 2015; 82:793-800. [PMID: 25376361 DOI: 10.1111/cen.12661] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2014] [Revised: 10/03/2014] [Accepted: 10/31/2014] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To analyse the performance of the desmopressin (DDAVP) test in the diagnosis of Cushing's disease (CD). METHODS This was a prospective cohort study of 124 patients with suspected hypercortisolism who were recruited from an outpatient endocrinology clinic and investigated for Cushing's syndrome (CS). The ACTH and cortisol responses to the DDAVP test were assessed to determine patient diagnosis and test the procedure's diagnostic accuracy. RESULTS A total of 68 patients had CD, while 56 had suspected CS. According to ROC analysis, an ACTH peak of 71·8 pg/ml (15·8 pmol/l) following DDAVP administration was able to diagnose CD with a specificity of 94·6% and a sensitivity of 90·8%, a negative predictive value (NPV) of 89·9% and a positive predictive value (PPV) of 95·3%. An absolute ACTH increment ≥37 pg/ml (8·1 pmol/l) over baseline had a sensitivity of 88·0%, specificity of 96·4%, NPV of 87·0% and PPV of 95·3% in diagnosing CD. Only 2 of 56 cases without CD had an absolute ACTH increment ≥37 pg/ml (8·1 pmol/l) over baseline. The DDAVP test was superior to other clinical instruments in diagnosing CS. CONCLUSIONS The DDAVP test could be a useful additional tool to diagnose CD in patients with suspected CS.
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Affiliation(s)
- Guilherme A F Rollin
- Graduate Program in Medical Sciences: Endocrinology, Faculty of Medicine, Porto Alegre, RS, Brazil
| | - Fabiola Costenaro
- Division of Endocrinology, Hospital de Clinicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Fernando Gerchman
- Graduate Program in Medical Sciences: Endocrinology, Faculty of Medicine, Porto Alegre, RS, Brazil
- Division of Endocrinology, Hospital de Clinicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Ticiana C Rodrigues
- Graduate Program in Medical Sciences: Endocrinology, Faculty of Medicine, Porto Alegre, RS, Brazil
- Division of Endocrinology, Hospital de Clinicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Mauro A Czepielewski
- Graduate Program in Medical Sciences: Endocrinology, Faculty of Medicine, Porto Alegre, RS, Brazil
- Division of Endocrinology, Hospital de Clinicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
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Arai K, Kashiwazaki A, Fujiwara Y, Tsuchiya H, Sakai N, Shibata K, Koshimizu TA. Pharmacological lineage analysis revealed the binding affinity of broad-spectrum substance P antagonists to receptors for gonadotropin-releasing peptide. Eur J Pharmacol 2015; 749:98-106. [PMID: 25592317 DOI: 10.1016/j.ejphar.2015.01.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Revised: 12/25/2014] [Accepted: 01/06/2015] [Indexed: 01/13/2023]
Abstract
A group of synthetic substance P (SP) antagonists, such as [Arg(6),D-Trp(7,9),N(Me)Phe(8)]-substance P(6-11) and [D-Arg(1),D-Phe(5),D-Trp(7,9),Leu(11)]-substance P, bind to a range of distinct G-protein-coupled receptor (GPCR) family members, including V1a vasopressin receptors, and they competitively inhibit agonist binding. This extended accessibility enabled us to identify a GPCR subset with a partially conserved binding site structure. By combining pharmacological data and amino acid sequence homology matrices, a pharmacological lineage of GPCRs that are sensitive to these two SP antagonists was constructed. We found that sensitivity to the SP antagonists was not limited to the Gq-protein-coupled V1a and V1b receptors; Gs-coupled V2 receptors and oxytocin receptors, which couple with both Gq and Gi, also demonstrated sensitivity. Unexpectedly, a dendrogram based on the amino acid sequences of 222 known GPCRs showed that a group of receptors sensitive to the SP antagonists are located in close proximity to vasopressin/oxytocin receptors. Gonadotropin-releasing peptide receptors, located near the vasopressin receptors in the dendrogram, were also sensitive to the SP analogs, whereas α1B adrenergic receptors, located more distantly from the vasopressin receptors, were not sensitive. Our finding suggests that pharmacological lineage analysis is useful in selecting subsets of candidate receptors that contain a conserved binding site for a ligand with broad-spectrum binding abilities. The knowledge that the binding site of the two broad-spectrum SP analogs partially overlaps with that of distinct peptide agonists is valuable for understanding the specificity/broadness of peptide ligands.
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Affiliation(s)
- Kazune Arai
- Division of Molecular Pharmacology, Department of Pharmacology, Jichi Medical University, Tochigi 329-0498, Japan
| | - Aki Kashiwazaki
- Division of Molecular Pharmacology, Department of Pharmacology, Jichi Medical University, Tochigi 329-0498, Japan
| | - Yoko Fujiwara
- Division of Molecular Pharmacology, Department of Pharmacology, Jichi Medical University, Tochigi 329-0498, Japan
| | - Hiroyoshi Tsuchiya
- Division of Molecular Pharmacology, Department of Pharmacology, Jichi Medical University, Tochigi 329-0498, Japan
| | - Nobuya Sakai
- Department of Functional Genomics, Graduate School of Pharmaceutical Sciences, Himeji Dokkyo University, Hyogo 670-8524, Japan
| | - Katsushi Shibata
- Department of Functional Genomics, Graduate School of Pharmaceutical Sciences, Himeji Dokkyo University, Hyogo 670-8524, Japan
| | - Taka-aki Koshimizu
- Division of Molecular Pharmacology, Department of Pharmacology, Jichi Medical University, Tochigi 329-0498, Japan.
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Sekiguchi Y, Miyamoto Y, Kasahara I, Hara Y, Tani Y, Doi M, Hirata Y. Ectopic ACTH syndrome caused by desmopressin-responsive thymic neuroendocrine tumor. Endocr J 2015; 62:441-7. [PMID: 25819222 DOI: 10.1507/endocrj.ej14-0455] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
A 32-year-old Chinese woman with rapid weight gain and progressive edema was found to have typical Cushingoid features. Her endocrine data were consistent with a diagnosis of ACTH-dependent Cushing's syndrome. To differentiate ectopic ACTH syndrome (EAS) from Cushing's disease (CD), various dynamic endocrine and imaging tests were performed. Her ACTH response was negative to corticotropin-releasing hormone (CRH) and positive to desmopressin. Magnetic resonance imaging of the pituitary showed no mass lesion. Computed tomography scan of the chest revealed a large mass (21 × 15 mm) in the anterior mediastinum, where positron emission tomography showed accumulation of [(18)F] fluorodeoxyglucose. Selective venous sampling showed marked step-up in ACTH level in the internal thoracic vein but not in the cavernous sinus after CRH stimulation. These data are compatible with the diagnosis of EAS. The resected tumor was pathologically consistent with thymic neuroendocrine tumor (NET) positive for ACTH by immunohistochemistry and abundant V1b receptor gene expression by RT-PCR. Postoperatively, her circulating ACTH/cortisol levels became normalized, and responded to stimulation with CRH but not with desmopressin. Her Cushingoid appearance gradually disappeared, and she was free from recurrence 5 years after surgery. This is a rare case of desmopressin-responsive EAS caused by thymic NET with predominant V1b gene expression, which was successfully localized by imaging modalities combined with selective venous sampling.
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Affiliation(s)
- Yoshihiro Sekiguchi
- Division of Endocrinology and Diabetology, Ohme Municipal General Hospital, Ohme 198-0042, Japan
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Alwani RA, Schmit Jongbloed LW, de Jong FH, van der Lely AJ, de Herder WW, Feelders RA. Differentiating between Cushing's disease and pseudo-Cushing's syndrome: comparison of four tests. Eur J Endocrinol 2014; 170:477-86. [PMID: 24394725 DOI: 10.1530/eje-13-0702] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
OBJECTIVE To evaluate the diagnostic performance of four different tests in order to differentiate between Cushing's disease (CD) and pseudo-Cushing's syndrome (PCS). METHODS In this prospective study, a total of 73 patients with clinical features of hypercortisolism and insufficient suppression of serum cortisol after 1 mg overnight dexamethasone and/or an elevated excretion of cortisol in 24-h urine samples were included. The circadian rhythm of serum cortisol levels as well as midnight serum cortisol (MserC) levels were assessed in all 73 patients. Late-night salivary cortisol (LNSC) concentrations were obtained in 44 patients. The dexamethasone-CRH (Dex-CRH) test was performed in 54 patients. RESULTS FIFTY-THREE PATIENTS WERE DIAGNOSED WITH CD AND SUBSEQUENTLY TREATED. TWENTY PATIENTS WERE CLASSIFIED AS HAVING PSC. SERUM CORTISOL CIRCADIAN RHYTHM: the diurnal rhythmicity of cortisol secretion was retained in PCS. A cortisol midnight:morning ratio of >0.67 is highly suggestive of CD (positive predictive value (PPV) 100% and negative predictive value (NPV) 73%). MserC concentration >243 nmol/l has a PPV of 98% in predicting true CD (NPV 95%). LNSC level >9.3 nmol/l predicted CD in 94% of patients (NPV 100%). Dex-CRH test: after 2 days of dexamethasone suppression, a CRH-stimulated cortisol level >87 nmol/l (T=15 min) resulted in a PPV of 100% and an NPV of 90%. CONCLUSION The Dex-CRH test as well as a single measurement of cortisol in serum or saliva at late (mid-) night demonstrated high diagnostic accuracy in differentiating PCS from true CD.
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Affiliation(s)
- R A Alwani
- Division of Endocrinology, Room H555, Department of Internal Medicine, Erasmus Medical Centre, PO Box 2040, 3000 CA Rotterdam, The Netherlands
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Kikuchi H, Yoshimoto T, Tanaka H, Tsujimoto K, Yamamura C, Arai Y, Hirasawa S, Aki S, Inaba N, Aoyagi M, Ogawa Y, Tamura T. Periodic hypokalemia associated with cyclic Cushing's syndrome. CEN Case Rep 2013; 3:80-85. [PMID: 28509248 DOI: 10.1007/s13730-013-0090-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2013] [Accepted: 07/08/2013] [Indexed: 11/26/2022] Open
Abstract
A 69-year-old woman presented with periodic hypertension, edema, and hypokalemia that occurred within an interval of a few weeks. Her laboratory test values showed autonomously elevated plasma adrenocorticotropic hormone (ACTH) and cortisol concentrations. The patient's Cushingoid features were not evident on first admission. Several weeks later, in spite of constant oral potassium supplementation, severe hypokalemia recurred with Cushingoid features and worsening symptoms of leg edema and pigmentation, which spontaneously disappeared within a few days. Her periodic symptoms occurred in parallel with fluctuations of plasma ACTH and cortisol concentrations. A series of endocrinological and pituitary imaging findings led to a tentative diagnosis of cyclic Cushing's syndrome caused by ectopic ACTH secretion. However, chest and abdominal computed tomography did not reveal any candidate lesion. The patient's periodic hypercortisolemia and symptoms were well controlled after treatment with metyrapone plus dexamethasone. This is a very rare case of periodic hypokalemia and hypertension caused by cyclic Cushing's syndrome.
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Affiliation(s)
- Hiroaki Kikuchi
- Department of Nephrology, Yokosuka Kyosai Hospital, 1-16 Yonegahamadori, Yokosuka, Kanagawa, 238-8558, Japan.
| | - Takanobu Yoshimoto
- Department of Molecular Endocrinology and Metabolism, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hiroyuki Tanaka
- Department of Nephrology, Yokosuka Kyosai Hospital, 1-16 Yonegahamadori, Yokosuka, Kanagawa, 238-8558, Japan
| | - Kazutaka Tsujimoto
- Department of Molecular Endocrinology and Metabolism, Tokyo Medical and Dental University, Tokyo, Japan
| | - Chisato Yamamura
- Department of Nephrology, Yokosuka Kyosai Hospital, 1-16 Yonegahamadori, Yokosuka, Kanagawa, 238-8558, Japan
| | - Yohei Arai
- Department of Nephrology, Yokosuka Kyosai Hospital, 1-16 Yonegahamadori, Yokosuka, Kanagawa, 238-8558, Japan
| | - Suguru Hirasawa
- Department of Nephrology, Yokosuka Kyosai Hospital, 1-16 Yonegahamadori, Yokosuka, Kanagawa, 238-8558, Japan
| | - Shota Aki
- Department of Nephrology, Yokosuka Kyosai Hospital, 1-16 Yonegahamadori, Yokosuka, Kanagawa, 238-8558, Japan
| | - Naoto Inaba
- Department of Nephrology, Yokosuka Kyosai Hospital, 1-16 Yonegahamadori, Yokosuka, Kanagawa, 238-8558, Japan
| | - Makoto Aoyagi
- Department of Nephrology, Yokosuka Kyosai Hospital, 1-16 Yonegahamadori, Yokosuka, Kanagawa, 238-8558, Japan
| | - Yoshihiro Ogawa
- Department of Molecular Endocrinology and Metabolism, Tokyo Medical and Dental University, Tokyo, Japan
| | - Teiichi Tamura
- Department of Nephrology, Yokosuka Kyosai Hospital, 1-16 Yonegahamadori, Yokosuka, Kanagawa, 238-8558, Japan
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Kageyama K, Oki Y, Sakihara S, Nigawara T, Terui K, Suda T. Evaluation of the diagnostic criteria for Cushing's disease in Japan. Endocr J 2013; 60:127-35. [PMID: 23171704 DOI: 10.1507/endocrj.ej12-0299] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Adrenocorticotropic hormone (ACTH)-dependent Cushing's syndrome is caused by an ACTH-producing tumor, as is the case with Cushing's disease and ectopic ACTH syndrome (EAS). Diagnosis and differential diagnosis of Cushing's disease from EAS in ACTH-dependent Cushing's syndrome are thus challenging problems in clinical endocrinology. The diagnostic criteria for Cushing's disease in Japan, established by the working group of the Japan Ministry of Health, Labour and Welfare, were originally reported in 2003 and revised in 2007 and 2010. In addition, criteria for subclinical Cushing's disease were established in Japan in 2010. In this review, we evaluate the usefulness and accuracy of the most recent diagnostic criteria. Previous data suggest that as an initial test of Cushing's syndrome, 0.5 mg dexamethasone is more sensitive than 1 mg in the overnight dexamethasone suppression test (DST). Here, we recommend 0.5 mg plus a plasma cortisol cut-off level of 3 µg/dL as a suitable low-dose overnight DST for screening of all cases of ACTH-dependent Cushing's syndrome in Japan. Recently, standardization of cortisol measurements by the ID-LC/MS/MS method using seven assay kits with standard plasma material containing synthetic hydrocortisone-d4 was carried out in Japan. The resulting relative standard deviation was within 10%. The cut-off value remains valid even after standardization of plasma cortisol measurements. Although the recent diagnostic criteria achieve higher diagnostic specificity, care should be taken since data for Cushing's disease partially overlaps with some cases of EAS. Overall, therefore, this review suggests that the accuracy of each diagnostic test should be considered.
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Affiliation(s)
- Kazunori Kageyama
- Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan.
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Wang FF, Tang KT, Yen YS, Ho DMT, Yang AH, Huang CI, Lin HD, Won JGS. Plasma corticotrophin response to desmopressin in patients with Cushing's disease correlates with the expression of vasopressin receptor 2, but not with that of vasopressin receptor 1 or 3, in their pituitary tumours. Clin Endocrinol (Oxf) 2012; 76:253-63. [PMID: 21781143 DOI: 10.1111/j.1365-2265.2011.04179.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVES Most patients with Cushing's disease (CD) respond to corticotrophin-releasing hormone (CRH) or desmopressin with increased corticotrophin (ACTH) and cortisol levels. Although the vasopressin receptor subtype located on normal corticotrophs is the V3 receptor (V3R), desmopressin is a selective V2 receptor (V2R) agonist and it is unclear whether corticotrophinomas exhibit aberrant V2R expression. Furthermore, no studies have determined the relationship between the in vivo response of CD patients to desmopressin and vasopressin receptor expression, or between the response to CRH and CRH receptor (CRHR) expression. Therefore, the aim of this study was to investigate the expression of vasopressin receptors (V1R, V2R, and V3R) and CRHR on corticotroph tumours and its possible relation to the in vivo response. DESIGNS A prospective study of 29 patients with CD. METHODS Patients underwent desmopressin and CRH stimulation tests before surgery. The expression of vasopressin receptors and CRHR on corticotrophinomas was determined by immunocytochemistry. RESULTS Most of the corticotrophinomas exhibited abundant expression of V1R, V3R, and CRHR, whereas the expression of V2R varied greatly and was lower in macroadenomas than in microadenomas. Both the percentage increment of ACTH and net area under the curve (AUC) of ACTH in the desmopressin stimulation test were found to be correlated with tumour volume. After adjustment for tumour volume, a positive correlation was found between the percentage increment of ACTH and the degree of V2R expression, but not between that of V1R or V3R. No relationship between the level of expression of CRHR on tumour tissues and the percentage increment or netAUC of ACTH to CRH was observed in CD patients. CONCLUSIONS We concluded that V2R was expressed on corticotrophinomas and that the level of its expression correlated well with the ACTH response to desmopressin in CD patients, although abundant expression of V1R and V3R was also found in almost all corticotroph tumours. Further studies are needed to elucidate the role of these receptors in the pathogenesis of CD.
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Affiliation(s)
- Fan-Fen Wang
- Department of Medicine, Yangming Branch, Taipei City Hospital, Taipei, Taiwan, Republic of China
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24
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Arihara Z, Sakurai K, Osaki Y, Fukazawa H, Yamada S, Inoshita N, Murakami O, Ohba K, Takahashi K. ACTH response to desmopressin in a patient with acromegaly; expression of corticotropin-releasing factor, urocortins and vasopressin V1b receptor in GH-producing pituitary adenoma. Endocr J 2011; 58:1029-36. [PMID: 21908929 DOI: 10.1507/endocrj.ej11-0038] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
GH-producing pituitary adenomas frequently co-produce other certain anterior pituitary hormones, such as prolactin (PRL). In contrast, GH-producing adenomas which express all of corticotropin-releasing factor (CRF), urocorin1 (Ucn1) and urocortin3 (Ucn3) have not been reported. A 39-year-old woman was admitted for evaluation of the pituitary tumor. The diagnosis of acromegaly was confirmed by elevated serum GH and IGF-I levels, and the absence of GH suppression by oral glucose tolerance test. ACTH response to desmopressin (DDAVP) was observed (plasma ACTH levels increased from 13.9 to 50.4 pg/ml at 90 min). Although it is known that ACTH response to DDAVP is considerably useful for the diagnosis of ACTH-dependent Cushing's syndrome, the diagnosis of Cushing's disease was not supported by the criteria. The patient underwent transsphenoidal resection of the pituitary tumor. Immunohistological examination confirmed a GH- and PRL-producing adenoma, whereas ACTH was negative. ACTH response to DDAVP disappeared after tumor removal. To determine the cause of preoperative ACTH response to DDAVP, we examined expression of CRF family peptides and vasopressin V1b receptor in the pituitary adenoma by immunohistochemistry. Immunohistochemistry revealed positive immunostaining for CRF, Ucn1, Ucn3 and vasopressin V1b receptor in the adenoma. These observations raised the possibility that DDAVP caused an ACTH response, perhaps via the paracrine effects of tumor-derived CRF and Ucn1. When ACTH response to DDAVP is observed in patients with pituitary tumor, not only the direct effect of DDAVP on ACTH secretion, but also a possible involvement of CRF and/or urocortins expressed in the pituitary adenoma, should be considered.
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Affiliation(s)
- Zenei Arihara
- Department of Endocrinology and Metabolism, Suifu Hospital, Mito 311-4141, Japan.
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Sakihara S, Kageyama K, Oki Y, Doi M, Iwasaki Y, Takayasu S, Moriyama T, Terui K, Nigawara T, Hirata Y, Hashimoto K, Suda T. Evaluation of plasma, salivary, and urinary cortisol levels for diagnosis of Cushing's syndrome. Endocr J 2010; 57:331-7. [PMID: 20139634 DOI: 10.1507/endocrj.k09e-340] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
As a screening test for Cushing's syndrome, the evaluation of late-night cortisol levels is indispensable. We evaluated the usefulness and accuracy of plasma, urinary, and salivary cortisol levels measured late at night for the diagnosis of Cushing's syndrome. High cortisol levels (> 5 microg/dL) during the night are indicative of Cushing's syndrome, although night plasma cortisol levels are not readily reproducible because of the stressful situation. There was no correlation between plasma and urinary cortisol levels late at night, and late-night urinary cortisol levels provided weak information for the diagnosis of Cushing's syndrome. By contrast, late-night plasma and salivary cortisol levels showed a positive correlation, and salivary cortisol sampling was found to be useful for the diagnosis of Cushing's syndrome, because more than 0.4 microg/dL of late-night salivary cortisol levels gave a sensitivity of 86% and a specificity of 100% in our hospital. This method is also useful for the diagnosis of early or mild stage Cushing's syndrome, so-called subclinical Cushing's syndrome. Inherent differences between assays make it difficult to define optimal diagnostic criteria. However, the relative levels of salivary cortisol ratio, which is presented as a relative level, compared with the mean levels of healthy subjects in each institute, is useful for the screening of Cushing's syndrome as the cut-off level of 1.5 shows both high sensitivity and specificity in subclinical and overt Cushing's syndrome. Late-night salivary cortisol measurement is therefore a primary method of choice in the screening of patients suspected of having Cushing's syndrome.
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Affiliation(s)
- Satoru Sakihara
- Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine, Aomori, Japan
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26
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SAKIHARA S, KAGEYAMA K, MATSUMOTO A, IKEDA H, TSUSHIMA Y, NARAOKA M, TERUI K, NIGAWARA T, SUDA T. Exaggerated Response of Adrenocorticotropic Hormone to Growth Hormone-Releasing Peptide-2 Test in Cushing's Disease -Case Report-. Neurol Med Chir (Tokyo) 2009; 49:365-9. [DOI: 10.2176/nmc.49.365] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Satoru SAKIHARA
- Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine
| | - Kazunori KAGEYAMA
- Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine
| | - Atsufumi MATSUMOTO
- Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine
| | - Hidetoshi IKEDA
- Research Institute for Pituitary Diseases, Southern Tohoku General Hospital
| | - Yuko TSUSHIMA
- Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine
| | - Maki NARAOKA
- Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine
| | - Ken TERUI
- Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine
| | - Takeshi NIGAWARA
- Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine
| | - Toshihiro SUDA
- Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine
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27
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Suda T, Kageyama K, Nigawara T, Sakihara S. Evaluation of diagnostic tests for ACTH-dependent Cushing's syndrome. Endocr J 2009; 56:469-76. [PMID: 19225213 DOI: 10.1507/endocrj.k08e-353] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
We evaluated the usefulness and accuracy of diagnostic tests for adrenocorticotropic hormone (ACTH)- dependent Cushing's syndrome, based on our experience of 88 cases, including 73 cases with Cushing's disease, and 15 cases with ectopic ACTH syndrome (EAS). In our study, 0.5 mg of dexamethasone failed to suppress the morning cortisol secretion in 100% of cases with Cushing's disease and EAS. Plasma ACTH levels were significantly increased by desmopressin (DDAVP) in 86% of cases with Cushing's disease, especially in microadenomas (90%), while these levels were not affected in normal subjects. In EAS, 44% responded to DDAVP. Plasma ACTH levels were increased in response to the human corticotropin-releasing hormone (CRH) test in 100% of microadenomas and 73% of macroadenomas with Cushing's disease, but only in 27% of cases with EAS. A high dose (8 mg) of dexamethasone suppressed the morning cortisol secretion in 89% of microadenomas with Cushing's disease, and in 82% of all cases with Cushing's disease, while it did in only 20% of cases with EAS. Taken together, the 0.5 mg dexamethasone suppression test (DST) and DDAVP test are considerably useful for the screening of ACTH-dependent Cushing's syndrome. The CRH test and 8 mg DST would be effective for the diagnosis of Cushing's diseases, because our study shows a sensitivity of 81% in cases with Cushing's disease when these tests are considered together. These data were submitted to prepare the diagnostic criteria for Cushing's disease, suggested by the working group of the Ministry of Health, Labour, and Welfare of Japan.
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Affiliation(s)
- Toshihiro Suda
- Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine, Aomori, Japan
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28
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Oki Y, Hashimoto K, Hirata Y, Iwasaki Y, Nigawara T, Doi M, Sakihara S, Kageyama K, Suda T. Development and validation of a 0.5 mg dexamethasone suppression test as an initial screening test for the diagnosis of ACTH-dependent Cushing's syndrome. Endocr J 2009; 56:897-904. [PMID: 19706991 DOI: 10.1507/endocrj.k09e-194] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
For the diagnosis of Cushing' s syndrome (CS), the overnight 1 mg dexamethasone suppression test (DST) has been widely used as a standard low-dose DST. However, it is evident that 1 mg DST may not be sensitive enough to detect CS when the cortisol cut-off concentration is 5 microg/dL. Therefore, we developed and validated 0.5 mg DST as a new screening method for diagnosis of ACTH-dependent CS. To compare 0.5 mg DST with 1 mg DST, 110 patients with ACTH-dependent CS were enrolled, including 88 with Cushing' s disease (CD), 8 with subclinical CD and 14 with ectopic ACTH syndrome, as well as 134 control subjects. Subjects were given either 0.5 mg or 1 mg dexamethasone orally at 23:00 on different days, with blood samples collected the following morning between 8:00 and 9:00 to determine plasma cortisol concentration. The area under the receiver operator characteristics curve observing the 0.5 mg DST was higher than that of the 1 mg DST. The most sensitive and specific cut-off value of plasma cortisol concentration using 0.5 mg DST was found to be 3.05 microg/dL with 99.1% sensitivity and 98.4% specificity, identical to the 3 microg/dL cut-off currently used in the Japanese guideline for diagnosis of subclinical CD. In conclusion, 0.5 mg DST is a sensitive and specific screening test for diagnosis of ACTH-dependent CS. We recommend 0.5 mg DST with a cortisol cut-off concentration of 3 microg/dL to be used as the initial step in diagnosing ACTH-dependent CS.
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Affiliation(s)
- Yutaka Oki
- Second Division, Department of Medicine, Hamamatsu University School of Medicine, Shizuoka, Japan.
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29
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Kageyama K, Ikeda H, Nigawara T, Sakihara S, Suda T. Expression of adrenocorticotropic hormone, prolactin and transcriptional factors in clinically nonfunctioning pituitary adenoma. Endocr J 2007; 54:961-8. [PMID: 18079591 DOI: 10.1507/endocrj.k07e-030] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
We describe here a case of a clinically nonfunctioning pituitary adenoma, but with expression of ACTH and PRL. A 42-year-old woman was referred to our department for further evaluation of pituitary tumor. She had no acromegaloid features, and no typical Cushingoid features. She had no galactorrhea, and had regular menses. GH, IGF-I, LH, FSH, TSH, ACTH and cortisol levels in blood were all within the normal ranges, while PRL levels were mildly elevated. Both ACTH and cortisol levels were adequately increased in response to CRH, and both were suppressed by a small dose of dexamethasone. Plasma ACTH and cortisol levels were decreased at night, suggesting the circadian rhythms for plasma ACTH levels were undisturbed. Based on these findings we did not clinically suspect ACTH-producing tumor, however immunohistochemistry revealed ACTH immunoreactivity in the pituitary adenoma. Therefore, the tumor was considered a silent corticotroph adenoma. PRL was co-expressed in a significant subpopulation of ACTH-immunoreactive tumor cells. Ptx1, Neuro D1, and T pit were densely expressed and Pit-1 was sparsely expressed in the nuclei of adenoma cells. It is therefore possible that a tumor originating in an immature or uncommited adenohypophysial stem cell may later differentiate into different cell types due to a combination of certain specific transcriptional factors.
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Affiliation(s)
- Kazunori Kageyama
- Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine, Aomori, Japan
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30
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Ohmori N, Nomura K, Ohmori K, Takano K. Preclinical Cushing's disease characterized by massive adrenal hyperplasia and hormonal changes after three years of metyrapone therapy. Endocr J 2007; 54:391-7. [PMID: 17446657 DOI: 10.1507/endocrj.k05-154] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
A 66-year-old woman had massive bilateral adrenal macronodular hyperplasia, found incidentally on an abdominal ultrasonogram. Her plasma ACTH and serum cortisol levels were normal, but they were not suppressed by low-dose dexamethasone. The patient did not exhibit any typical signs or symptoms of Cushing's disease. MRI showed no evidence of a tumor in the pituitary gland. A diagnosis of preclinical Cushing's disease was made, and she was treated with 11-hydroxylase inhibitor metyrapone. As the dose of metyrapone was increased, plasma ACTH levels gradually increased. After three years of treatment, she developed moon-face. Her plasma ACTH and serum cortisol concentrations were at their highest levels. A pituitary microadenoma was detected by MRI, whose source of ACTH was demonstrated by the definite step-up of central/peripheral ratio of ACTH obtained by cavernous sinus sampling. Overt Cushing's disease was diagnosed, and a pituitary tumor was removed by transsphenoidal surgery. In conclusion, the clinically and endocrinologically overt Cushing's disease characterized by macronodular adrenal hyperplasia was converted from a preclinical form. This case offers some insight into the clinical and biological features of preclinical Cushing's disease.
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Affiliation(s)
- Nariko Ohmori
- Department of Medicine, Institute of Clinical Endocrinology, Tokyo, Japan
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Kageyama K, Moriyama T, Sakihara S, Kawashima S, Suda T. A case of preclinical Cushing's disease, accompanied with thyroid papillary carcinoma and adrenal incidentaloma. Endocr J 2003; 50:325-31. [PMID: 12940462 DOI: 10.1507/endocrj.50.325] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
A 75-year-old woman had tumors in her pituitary, thyroid and left adrenal gland. Plasma ACTH and cortisol levels were both mildly elevated. Both plasma ACTH and cortisol concentrations were partially suppressed by 1 mg of overnight dexamethasone suppression test, while both were inhibited with a dosage of 8 mg dexamethasone. Plasma ACTH and cortisol levels were increased in response to human CRH and desmopressin. Together with the observation of pituitary microadenoma, the patient had a pituitary ACTH-producing tumor. The patient, however, had no typical Cushingoid features, hypertension, or impaired glucose tolerance, suggesting that the tumor had an autonomic ACTH secretion that was insufficient for expressing clinical symptoms, the so-called preclinical Cushing's disease. A case of preclinical Cushing's disease is extremely rare. Further, the patient had thyroid papillary carcinoma and non-functioning adrenal tumor. Molecular genetic analysis demonstrated a polymorphism of the menin gene in the patient. Even without Cushingoid features in pituitary incidentaloma, we concluded that the elevated ACTH and cortisol levels should be followed up by CRH, desmopressin and dexamethasone suppression tests. This patient with preclinical Cushing's disease would be observed whether the physical conditions in the patient develop to overt Cushing's disease.
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Affiliation(s)
- Kazunori Kageyama
- The Third Department of Internal Medicine, Hirosaki University School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan
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Tsagarakis S, Tsigos C, Vasiliou V, Tsiotra P, Kaskarelis J, Sotiropoulou C, Raptis SA, Thalassinos N. The desmopressin and combined CRH-desmopressin tests in the differential diagnosis of ACTH-dependent Cushing's syndrome: constraints imposed by the expression of V2 vasopressin receptors in tumors with ectopic ACTH secretion. J Clin Endocrinol Metab 2002; 87:1646-53. [PMID: 11932296 DOI: 10.1210/jcem.87.4.8358] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The role of desmopressin, alone or in combination with CRH, in the differential diagnosis between Cushing's disease (CD) and ectopic ACTH secretion (EAS) still remains uncertain. Based on existing data, the desmopressin test is regarded as an alternative to the CRH stimulation test and, when given in combination with CRH, it has been suggested to completely discriminate between patients with CD and EAS. However, assessment of these tests has been limited in only a small number of patients with EAS. Desmopressin is a relatively specific V2 vasopressin receptor (V2R) agonist. Although expression of V3 vasopressin receptor (V3R) is common in tumors with EAS, the expression of V2R has not been extensively investigated. In the present study, we report our findings of the desmopressin and the combined CRH-desmopressin test in a series of patients with CD and EAS; also, the expression of V2R and V3R was investigated in tumors with EAS by a RT-PCR method. We assessed a cohort of 31 patients with ACTH-dependent Cushing's syndrome, including 26 patients with CD and five cases with histologically confirmed EAS. To avoid bias of predetermined criteria, univariate curves of the receiver operating characteristics (ROC) were constructed by plotting the sensitivity against 1-specificity at each level of the percent cortisol (F) and ACTH responses to these tests. Following desmopressin administration there was an overlap of the percent F and ACTH responses among patients with CD and EAS, and the area under the ROC curve for both these responses was not significantly different than that occurring by chance. This was also true for the percent F response following the combined CRH-desmopressin test. However, the area under the ROC curve for the percent ACTH rise following the combined test was significantly different; the point of the ROC curve closest to 1 corresponded to a percent ACTH rise of 218% (88% sensitivity and 80% specificity). Expression of V2R and V3R mRNA was investigated in four of the five excised tumors with EAS and revealed the presence of the V2R in all, whereas the V3R mRNA was expressed in three of these cases. In conclusion, in this series the desmopressin test produced a significant overlap of responses between CD and patients with EAS and, therefore, is of limited value in the differential diagnosis of the ACTH-dependent Cushing's syndrome. This is most probably due to the expression of the V2R in tumors with EAS. Moreover, following the combined CRH-desmopressin test only the ACTH but not the F responses were diagnostically useful, but still far from completely discriminating patients with CD and EAS.
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Affiliation(s)
- S Tsagarakis
- Department of Endocrinology, Diabetes and Metabolism, Evangelismos Hospital, Athens, Greece.
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Losa M, Mortini P, Dylgjeri S, Barzaghi R, Franzin A, Mandelli C, Giovanelli M. Desmopressin stimulation test before and after pituitary surgery in patients with Cushing's disease. Clin Endocrinol (Oxf) 2001; 55:61-8. [PMID: 11453953 DOI: 10.1046/j.1365-2265.2001.01324.x] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE The desmopressin test has been proposed as a useful tool for the differential diagnosis of Cushing's disease. The aim of our study was to investigate, in a large series of patients with Cushing's disease, the incidence of a positive ACTH and cortisol response to desmopressin. Moreover, we repeated the test soon after surgery to verify its usefulness in the assessment of early and late surgical results. PATIENTS AND METHODS One hundred and seven consecutive patients with Cushing's disease, 89 female and 18 male patients, with a mean age of 37.2 +/- 1.3 years, were studied. All patients, except three, repeated the test 5-6 days after surgery. Desmopressin (10 microg) was injected i.v. and blood samples were drawn 15, 30, 45 and 60 minutes thereafter. Plasma ACTH and serum cortisol were measured in duplicate by commercially available immunoassays. A positive response to desmopressin was considered to be a plasma ACTH and serum cortisol increment of at least 30% and 20% above baseline, respectively. RESULTS Mean basal plasma ACTH level was 17.3 +/- 1.7 pmol/l and rose to a peak level of 42.7 +/- 4.9 pmol/l at 15 minutes Mean basal serum cortisol level was 574 +/- 19 nmol/l and rose to a peak level of 814 +/- 28 nmol/l at 45 minutes. ACTH and cortisol incremental changes were inversely correlated with their respective basal levels. Ninety patients (84.1%) had an ACTH and 84 patients (78.5%) had a cortisol response to desmopressin. Several clinical and demographic characteristics were not significantly different among desmopressin responders and non responders, except that basal ACTH and cortisol levels were significantly higher in desmopressin non responders (27.2 +/- 8.3 pmol/l, 781 +/- 86 nmol/l) than in desmopressin responders (15.4 +/- 1.2 pmol/l, 535 +/- 14 nmol/l). Disappearance of the ACTH and cortisol response to desmopressin after surgery occurred in 50 of 87 (57%) ACTH responders and in 57 of 81 (70.4%) cortisol responders, respectively. However, concordance between the desmopressin test and surgical outcome was not complete. Indeed, 18 patients considered in remission still showed an ACTH increase after desmopressin and, on the contrary, four patients with disappearance of the ACTH response had persistence of hypercortisolism. During follow-up monitoring, three patients, who had persistence of the ACTH response to desmopressin, relapsed 24, 38 and 54 months after surgery. CONCLUSIONS Desmopressin administration elicits a significant rise in ACTH and cortisol levels in the majority but not all patients with Cushing's disease. There is a good, but not complete, concordance between the response to the desmopressin test and the surgical outcome. Our preliminary data show that persistence of the ACTH response to desmopressin in the early postoperative period might be associated with a higher risk of late relapse.
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Affiliation(s)
- M Losa
- Pituitary Unit, Department of Neurosurgery, Istituto di Ricovero e Cura a Carattere Scientifico San Raffaele, University Vita-Salute, Via Olgettina 60, 20132 Milan, Italy.
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Terzolo M, Reimondo G, Alì A, Borretta G, Cesario F, Pia A, Paccotti P, Angeli A. The limited value of the desmopressin test in the diagnostic approach to Cushing's syndrome. Clin Endocrinol (Oxf) 2001; 54:609-16. [PMID: 11380491 DOI: 10.1046/j.1365-2265.2001.01260.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
OBJECTIVE The desmopressin test is generally regarded as an alternative to the CRH test but it is unclear whether desmopressin is as effective as CRH in the differential diagnosis of ACTH-dependent Cushing's syndrome. However, a precise assessment of the operating characteristics of the desmopressin test in comparison with the CRH test has not been reported. The aim of the present study was to make a comparative evaluation of desmopressin and CRH tests in a consecutive cohort of patients with ACTH-dependent Cushing's syndrome and in a group of healthy subjects. DESIGN AND SUBJECTS We studied 34 patients with Cushing's disease (CD) and nine patients with ectopic ACTH syndrome (EAS). The control group included 30 healthy subjects. Estimates of sensitivity and specificity were determined for a value of ACTH percent increment (Delta%) > 35% and for a Delta % > 50%, following either desmopressin or CRH, to differentiate CD from EAS. The sensitivity and specificity of a composite rule requiring an ACTH net increment (Delta) > 4.5 pmol/l at both values of Delta % was also calculated. When evaluating cortisol responses, the criteria were Delta % > 20% and Delta > 193 nmol/l. Moreover, to allow comparison of individual end points of the desmopressin and CRH tests at multiple levels of Delta % or Delta either for ACTH or cortisol without the bias of predetermined criteria, univariate curves of the receiver operating characteristics (ROC) were constructed by plotting the sensitivity against 1 - specificity at each level. RESULTS In the patients with CD, the frequency of ACTH response was of 90% after both tests while the figures for cortisol were 73% after CRH and 77% after desmopressin, respectively. In the 15 patients who underwent both tests the magnitude of ACTH and cortisol responses induced by the 2 stimuli were fully comparable. In the patients with EAS a (false) positive ACTH response was found in 2/9 cases (22%) after the CRH test and in 2/5 patients (40%) after the desmopressin test. In the healthy subjects the CRH test was performed in 25 cases and the desmopressin test in 15 cases. The frequency of ACTH response was 52% following CRH and 13% following desmopressin. In the 10 healthy subjects who underwent both tests the ACTH response was significantly greater after CRH than desmopressin. The area under the ROC curve for the ACTH Delta % was significantly different than that occurring by chance following CRH but not desmopressin. The point on the ROC curve closest to 1 corresponded to an ACTH Delta % of 47% (sensitivity 87% and specificity 89%). However, a criterion of 100 % specificity would require an increase in the threshold for the ACTH Delta % to 259%. ROC analysis validated also the use of the ACTH Delta as a method to assess the response to CRH, but not after desmopressin. However, the diagnostic performance of this parameter was reduced in comparison to that of the ACTH Delta %, since the best cut-off for the Delta (6.2 pmol/l) had inferior specificity (79%). The operating characteristics of CRH and desmopressin were worse when considering cortisol responses. CONCLUSIONS The present data suggest that the CRH test is more reliable than the desmopressin test in determining the aetiology of Cushing's syndrome. The desmopressin test resulted in a high frequency of false positive results in patients with ectopic ACTH secondary to carcinoid tumours. This finding may be due to the capability of these tumours to express the V3 vasopressin receptor through which desmopressin acts. However, the clinical endocrinologist may be confronted with some disturbing cases which are misdiagnosed because it is almost impossible to set a diagnostic criterion providing complete specificity in the differentiation of (occult) ectopic Cushing's syndrome using either CRH or desmopressin tests.
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Affiliation(s)
- M Terzolo
- Dipartimento di Scienze Cliniche e Biologiche, Medicina Interna I, A.S.O. San Luigi, Università di Torino, Italy.
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Abstract
The mechanism by which cortisol is produced in adrenal Cushing's syndrome, when ACTH is suppressed, was previously unknown and was referred to as being "autonomous." More recently, several investigators have shown that some cortisol and other steroid-producing adrenal tumors or hyperplasias are under the control of ectopic (or aberrant, illicit, inappropriate) membrane hormone receptors. These include ectopic receptors for gastric inhibitory polypeptide (GIP), beta-adrenergic agonists, or LH/hCG; a similar outcome can result from altered activity of eutopic receptors, such as those for vasopressin (V1-AVPR), serotonin (5-HT4), or possibly leptin. The presence of aberrant receptors places adrenal cells under stimulation by a trophic factor not negatively regulated by glucocorticoids, leading to increased steroidogenesis and possibly to the proliferative phenotype. The molecular mechanisms responsible for the abnormal expression and function of membrane hormone receptors are still largely unknown. Identification of the presence of these illicit receptors can eventually lead to new pharmacological therapies as alternatives to adrenalectomy, now demonstrated by the long-term control of ectopic P-AR- and LH/hCGR-dependent Cushing's syndrome by propanolol and leuprolide acetate. Further studies will potentially identify a larger diversity of hormone receptors capable of coupling to G proteins, adenylyl cyclase, and steroidogenesis in functional adrenal tumors and probably in other endocrine and nonendocrine tumors.
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Affiliation(s)
- A Lacroix
- Department of Medicine, Research Center, H tel du Centre Hospitalier de l'Université de Montréal, Quebec, Canada.
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Moro M, Putignano P, Losa M, Invitti C, Maraschini C, Cavagnini F. The desmopressin test in the differential diagnosis between Cushing's disease and pseudo-Cushing states. J Clin Endocrinol Metab 2000; 85:3569-74. [PMID: 11061503 DOI: 10.1210/jcem.85.10.6862] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Differentiating Cushing's disease (CD) from pseudo-Cushing (PC) states may still be difficult in current practice. Because desmopressin (1-deamino-8D-arginine vasopressin, DDAVP), a vasopressin analogue, stimulates ACTH release in patients with CD but not in the majority of normal, obese, and depressed subjects, we investigated its ability to discriminate CD from PC states. One hundred seventy-three subjects (76 with active CD, 30 with PC, 36 with simple obesity, and 31 healthy volunteers) were tested with an iv bolus of 10 microg DDAVP. Sixty-one of these subjects also underwent a control study with saline. DDAVP induced marked ACTH and cortisol rises in CD (P < 0.005 vs. saline, for both ACTH and cortisol) but not in PC. A significant ACTH elevation occurred upon DDAVP administration also in normal and obese subjects, but it was much smaller than that observed in patients with CD (P < 0.0001). A peak absolute ACTH increase (> or =6 pmol/L), after DDAVP, allowed us to recognize 66 of 76 patients with CD and 88 of 97 subjects of the other groups. The same criterion correctly identified 18 of 20 patients with mild CD (24-h urinary free cortisol < or = 690 nmol/day) and 29 of 30 PC, resulting in a diagnostic accuracy of 94%, which was definitely higher than that displayed by urinary free cortisol, overnight 1-mg dexamethasone suppression test, and midnight plasma cortisol. In conclusion, the DDAVP test seems to be a useful adjunctive tool for the evaluation of hypercortisolemic patients chiefly because of its ability to differentiate mild CD from PC states.
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Affiliation(s)
- M Moro
- University of Milan, Istituto Scientifico Ospedale San Luca, Italy
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Ecelbarger CA, Kim GH, Terris J, Masilamani S, Mitchell C, Reyes I, Verbalis JG, Knepper MA. Vasopressin-mediated regulation of epithelial sodium channel abundance in rat kidney. Am J Physiol Renal Physiol 2000; 279:F46-53. [PMID: 10894786 DOI: 10.1152/ajprenal.2000.279.1.f46] [Citation(s) in RCA: 179] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Sodium transport is increased by vasopressin in the cortical collecting ducts of rats and rabbits. Here we investigate, by quantitative immunoblotting, the effects of vasopressin on abundances of the epithelial sodium channel (ENaC) subunits (alpha, beta, and gamma) in rat kidney. Seven-day infusion of 1-deamino-[8-D-arginine]-vasopressin (dDAVP) to Brattleboro rats markedly increased whole kidney abundances of beta- and gamma-ENaC (to 238% and 288% of vehicle, respectively), whereas alpha-ENaC was more modestly, yet significantly, increased (to 142% of vehicle). Similarly, 7-day water restriction in Sprague-Dawley rats resulted in significantly increased abundances of beta- and gamma- but no significant change in alpha-ENaC. Acute administration of dDAVP (2 nmol) to Brattleboro rats resulted in modest, but significant, increases in abundance for all ENaC subunits, within 1 h. In conclusion, all three subunits of ENaC are upregulated by vasopressin with temporal and regional differences. These changes are too slow to play a major role in the short-term action of vasopressin to stimulate sodium reabsorption in the collecting duct. Long-term increases in ENaC abundance should add to the short-term regulatory mechanisms (undefined in this study) to enhance sodium transport in the renal collecting duct.
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Affiliation(s)
- C A Ecelbarger
- Division of Endocrinology, Georgetown University, Washington, District of Columbia 20007, USA.
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Findling JW, Raff H. Newer diagnostic techniques and problems in Cushing's disease. Endocrinol Metab Clin North Am 1999; 28:191-210. [PMID: 10207691 DOI: 10.1016/s0889-8529(05)70063-3] [Citation(s) in RCA: 60] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
The best diagnostic approach to patients with suspected Cushing's disease continues to evolve. The introduction of transsphenoidal pituitary surgery as the treatment of choice for Cushing's disease as well as the absence of any pituitary imaging abnormalities in many patients with Cushing's disease has made accurate diagnosis and differential diagnosis essential. In the authors' opinion, two or three late night (11 PM) salivary cortisol determinations and the measurement of 24-hour UFC are the best and simplest means to evaluate patients with suspected hypercortisolism. L-DST can no longer be recommended to exclude the diagnosis of Cushing's disease, particularly if the hypercortisolism is mild. The combination of L-DST and CRH stimulation is a new and apparently sensitive means to establish the presence or absence of pathologic hypercortisolism in equivocal cases. In the absence of an overt pituitary tumor on MR imaging, inferior petrosal sinus sampling with CRH stimulation should be performed to secure the diagnosis of Cushing's disease as well as identify the probable location of the corticotroph adenoma.
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Affiliation(s)
- J W Findling
- Endocrine-Diabetes Center, St. Luke's Medical Center, Medical College of Wisconsin, Milwaukee, USA
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