Searchable abstracts of presentations at key conferences in endocrinology

ea0090p403 | Pituitary and Neuroendocrinology | ECE2023

Bilateral Inferior Petrosal Sinus Sampling and Utility of Maximum Stimulated Petrosal Sinus ACTH to Baseline ACTH ratio in Adrenocorticotropin-dependent Cushing’s Syndrome

Maldar Aasim , Chauhan Phulrenu , Kulkarni Aniruddha , Misra B. K. , Shah N. F. , Chadha Manoj

Methods: The diagnosis of Cushing’s Syndrome (CS) was made as per the prevalent endocrine society guidelines. CS patients with serum ACTH>15 pg/ml were considered as ACTH-dependent CS. Baseline ACTH (both inferior petrosal sinuses and peripheral) values were obtained, and since 2014, stimulated ACTH values (5 and 10 minutes post one unit iv vasopressin) were obtained as standard protocol. Prolactin corrected ACTH ratios were additionally being calculated since 2016. The h...

ea0090ep144 | Calcium and Bone | ECE2023

Differences in the clinical, laboratory, and operative variables between pre-menopausal and post-menopausal primary hyperparathyroid women: a single-center experience

Chauhan Phulrenu , Maldar Aasim , Lala Murad , Shah N. F. , Chadha Manoj

Introduction: Primary hyperparathyroidism (PHPT) is an endocrine disorder wherein enlargement of one or more of the parathyroid glands causes autonomous overproduction of the parathyroid hormone (PTH), which leads to high serum calcium levels.Objective: Comparison of clinical, laboratory, and operative variables between premenopausal (pre-M) and postmenopausal (post-M) women with PHPT.Materials and Methods: A retrospective analysis...

ea0066oc5.8 | Oral Communications 5 | BSPED2019

TSH-Receptor testing in pregnancy allows stratification of risk of neonatal thyrotoxicosis and promotes earlier discharge

Law James , Chauhan Hemma , Wynn-Davies Anneli

Background: Local guidelines for infants born to mothers with a history of thyrotoxicosis previously recommended that infants were observed in hospital until thyroid function tests were checked on day 4, with follow up on day 10, causing inconvenience to families and unnecessary cost to services. Following a literature search, our revised local guidelines recommend low-risk infants can be discharged on day 0 without follow up, stratified using maternal TSH-receptor antibody (T...

ea0089b5 | Basic Science | NANETS2022

Oncolytic Seneca Valley Virus (SVV-001) Overcomes Checkpoint Inhibitor Resistance and Demonstrates a Systemic Anti-tumor Response in a Syngeneic Tumor Model

Hallenbeck Paul L. , Chada Sunil , Sankar Neil , Chauhan Aman

Background: Oncolytic viruses (OV) hold potential for not only delivering durable anti-tumor responses but also converting immunologically “cold” tumors to “hot” tumors. Seneca Valley Virus (SVV-001) is a naturally occurring oncolytic picornavirus found to have selectivity for tumor cells with neuroendocrine (NE) properties. Because of the paucity of syngeneic murine NE tumor models, we evaluated the efficacy of Seneca Valley Virus (SVV), in combination wit...

ea0060p02 | (1) | UKINETS2018

Overview of neuroendocrine patient demographics and outcomes in the Leicestershire region

de Groot Emily , Chauhan Meera , Porter Sarah , Iwuji Chinenye

Neuroendocrine tumours (NETs) are rare cancers originating from neuroendocrine cells. The estimated prevalence is 35 per 100,000 people per year. A comparative review was conducted at the University Hospitals of Leicester (UHL) to determine the outcomes of treated neuroendocrine patients.Methods: Patients were identified via pharmacy records of Lanreotide, from April 2009 – March 2018. Clinical data was obtained from hospital notes and histopatholog...

ea0089c41 | Clinical – Surgery/Applied Pathology | NANETS2022

SSTR-2 Expression in Solid Tumors: An Immunohistochemistry Analysis

Chauhan Aman , Arnold Susanne , Bocklage Therese , Yan Donglin , Li Ning , Anthony Lowell , Allison Derek

Background: Somatostatin receptor (SSTR) expression has been characterized in well-differentiated neuroendocrine tumors (NET). However, the understanding of receptor expression in various non-neuroendocrine solid tumors is limited. This study was performed to evaluate SSTR-2 in various cancers to provide a rational basis for SSTR-2 targeted anti-cancer therapies.Methods: Formalin-fixed paraffin, paraffin-embedded tissue was obtained from pathology archiv...

ea0089t8 | Trials In Progress | NANETS2022

Phase II Trial Evaluating [177Lu]Lu-DOTA-TATE in Adolescents with Somatostatin Receptor (SSTR)-positive Gastroenteropancreatic Neuroendocrine Tumors (GEP-NETs), Pheochromocytomas and Paragangliomas (PPGLs)

Chauhan Aman , Sue O'Dorisio M. , Gaze Mark , Sabado Constantino , Brouri Fazia , Xu Lingfei

Background: GEP-NETS and PPGLs in pediatric patients are rare; however, recognition of these diseases has increased recently. 10–20% of pediatric patients with GEP-NETs and up to 47% of pediatric patients with PPGLs present with metastatic disease at diagnosis. The disease is often unresectable with poor prognosis, and very few non-surgical therapies are approved for these patients. Due to paucity of data surrounding treatments for pediatric patients with advanced GEP-NET...

ea0065p31 | Adrenal and Cardiovascular | SFEBES2019

The PASS score is not a reliable measure of predicting aggressive potential in phaeochromocytoma – experience over 14 years at our University Teaching Hospital

Gohil Shailesh , Seehra Jaspreet , Chauhan Vishnusai , Richards Catherine , Lloyd David , Bhake Ragini , Bhardwaj Neil , Levy Miles

Background: The phaeochromocytoma of the adrenal gland scaled score (PASS) is used for histological reporting of phaeochromocytomas as a surrogate marker of malignant potential. A PASS score of ≥4 (of a maximum of 20) suggests an aggressive tumour and hence the importance of lifelong careful follow-up. However, the utility of the PASS score has been questioned recently due to the discordance between PASS score and clinical outcomes.Aim: To review t...

ea0035p335 | Developmental Endocrinology | ECE2014

Clinical and molecular profile of patients with gonadal dysgenesis attending tertiary care hospital.

Chauhan Vasundhera , Khurana Madan Lal , Gupta Poonam , Sabir Iram , Ammini A.C

Introduction: Gonadal dysgenesis (GD) is a congenital disorder which results in defective development of gonads. GD may be due to mutation(s) in any of the genes involved in gonadal development and differentiation. Here we present clinical and molecular profile (SRY and SOX9 gene) of patients with GD at our hospital.Methodology: Detailed clinical examination, karyotyping and molecular analysis of patients was done for SRY and SOX9 gene....

ea0098c38 | Clinical – Nuclear Medicine/Interventional Radiology/Imaging | NANETS2023

Are there any clinical factors associated with PRRT-refractoriness in NET patients?

Gupta Garima , Yadav Rina , Yan Donglin , Anthony Lowell , Ramirez Robert , Chauhan Aman

Background: Peptide receptor radionuclide therapy (PRRT) with Lutetium-177 DOTATATE (LUTATHERA) is an effective treatment option for somatostatin receptor (SSTR) positive metastatic gastroenteropancreatic neuroendocrine tumors (NETs) and has also demonstrated antitumor activity in SSTR positive NETs from other primary sites. While the median progression free survival (mPFS) is around 29 months, there is a subset of patients who are refractory to PRRT and demonstrate progressio...