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Glycemic variability in chronic calcific pancreatitis with diabetes mellitus and its possible determinants

To study glycemic patterns and variability in patients with pancreatic diabetes or type 3c Diabetes mellitus (DM) due to chronic pancreatitis and its subtypes and assess the role of pancreatic enzyme replacement therapy (ERT) in modulating glycemic variability. Patients having type 3c DM due to chro...

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Published in:Diabetes & metabolic syndrome clinical research & reviews 2024-08, Vol.18 (8), p.103100, Article 103100
Main Authors: Chowdhury, Amarta Shankar, Palui, Rajan, Pramanik, Subhodip, Mondal, Sunetra
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Palui, Rajan
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Mondal, Sunetra
description To study glycemic patterns and variability in patients with pancreatic diabetes or type 3c Diabetes mellitus (DM) due to chronic pancreatitis and its subtypes and assess the role of pancreatic enzyme replacement therapy (ERT) in modulating glycemic variability. Patients having type 3c DM due to chronic pancreatitis, and on insulin underwent Flash continuous-glucose-monitoring (CGM) for 14 days. Parameters were compared between patients with fibrocalculous pancreatic diabetes (FCPD) and non-FCPD-chronic calcific pancreatitis (non-FCPD) and between the recipients and non-recipients of pancreatic enzyme-replacement-therapy (ERT). Out of 54 patients with pancreatic diabetes, 35 patients had chronic calcific pancreatitis. They underwent CGM, median HbA1c 9.20 % (77 mmol/mol) and mean Time-In-Range (TIR) being 41.21 % (23.48). Only 5 (15.2 %) patients achieved target TIR>70 % while 16 (48.5 %) patients had high glycemic-variability [Coefficient-of-variation (CV) > 36 %]. Patients with FCPD (n = 14) had higher hypoglycemia-indices like Time-Below-Range (18.92 % vs 8.20 %; p = 0.03) and Low-Blood-Glucose-Index (18.14 % vs 6.04 %; p = 0.02) compared to non-FCPD (n = 21). HbA1c% and hyperglycemic excursions were similar in both groups. Recipients of ERT (n = 20) had lower glycemic-variability [Standard Deviation (SD) 52.15 % vs 68.14 % and CV 32.59 % vs 41.79 %, p 
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Patients having type 3c DM due to chronic pancreatitis, and on insulin underwent Flash continuous-glucose-monitoring (CGM) for 14 days. Parameters were compared between patients with fibrocalculous pancreatic diabetes (FCPD) and non-FCPD-chronic calcific pancreatitis (non-FCPD) and between the recipients and non-recipients of pancreatic enzyme-replacement-therapy (ERT). Out of 54 patients with pancreatic diabetes, 35 patients had chronic calcific pancreatitis. They underwent CGM, median HbA1c 9.20 % (77 mmol/mol) and mean Time-In-Range (TIR) being 41.21 % (23.48). Only 5 (15.2 %) patients achieved target TIR&gt;70 % while 16 (48.5 %) patients had high glycemic-variability [Coefficient-of-variation (CV) &gt; 36 %]. Patients with FCPD (n = 14) had higher hypoglycemia-indices like Time-Below-Range (18.92 % vs 8.20 %; p = 0.03) and Low-Blood-Glucose-Index (18.14 % vs 6.04 %; p = 0.02) compared to non-FCPD (n = 21). HbA1c% and hyperglycemic excursions were similar in both groups. Recipients of ERT (n = 20) had lower glycemic-variability [Standard Deviation (SD) 52.15 % vs 68.14 % and CV 32.59 % vs 41.79 %, p &lt; 0.05 for both) than non-recipients. ERT-recipients had no serious hypoglycemia within the 14 days. On subgroup analysis, lower glycemic-variability and hypoglycemia with ERT were seen only in FCPD but not in non-FCPD subgroup (50.13 vs 77.91, 30.09 vs 48.36 for SD and CV respectively, p &lt; 0.05). Patients with type 3c DM due to chronic pancreatitis have high frequency of hyperglycemic and hypoglycemic excursions, with those with FCPD having a particularly higher risk of hypoglycemia and glycemic-variability. Those receiving pancreatic ERT had lesser glycemic variability and hypoglycemia. 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Patients having type 3c DM due to chronic pancreatitis, and on insulin underwent Flash continuous-glucose-monitoring (CGM) for 14 days. Parameters were compared between patients with fibrocalculous pancreatic diabetes (FCPD) and non-FCPD-chronic calcific pancreatitis (non-FCPD) and between the recipients and non-recipients of pancreatic enzyme-replacement-therapy (ERT). Out of 54 patients with pancreatic diabetes, 35 patients had chronic calcific pancreatitis. They underwent CGM, median HbA1c 9.20 % (77 mmol/mol) and mean Time-In-Range (TIR) being 41.21 % (23.48). Only 5 (15.2 %) patients achieved target TIR&gt;70 % while 16 (48.5 %) patients had high glycemic-variability [Coefficient-of-variation (CV) &gt; 36 %]. Patients with FCPD (n = 14) had higher hypoglycemia-indices like Time-Below-Range (18.92 % vs 8.20 %; p = 0.03) and Low-Blood-Glucose-Index (18.14 % vs 6.04 %; p = 0.02) compared to non-FCPD (n = 21). HbA1c% and hyperglycemic excursions were similar in both groups. Recipients of ERT (n = 20) had lower glycemic-variability [Standard Deviation (SD) 52.15 % vs 68.14 % and CV 32.59 % vs 41.79 %, p &lt; 0.05 for both) than non-recipients. ERT-recipients had no serious hypoglycemia within the 14 days. On subgroup analysis, lower glycemic-variability and hypoglycemia with ERT were seen only in FCPD but not in non-FCPD subgroup (50.13 vs 77.91, 30.09 vs 48.36 for SD and CV respectively, p &lt; 0.05). Patients with type 3c DM due to chronic pancreatitis have high frequency of hyperglycemic and hypoglycemic excursions, with those with FCPD having a particularly higher risk of hypoglycemia and glycemic-variability. Those receiving pancreatic ERT had lesser glycemic variability and hypoglycemia. The small sample size and lack of objective markers of documentation of exocrine pancreatic insufficiency like fecal elastase highlight the need for further larger studies in this field. •Patients with pancreatic DM/type 3cDM due to chronic pancreatitis have high glycemic variability (GV).•GV &amp; hypoglycemia risk is more in fibrocalculous pancreatopathic DM(FCPD) than non-FCPD chronic pancreatitis.•Patients with type 3c DM receiving pancreatic enzyme-replacement-therapy (PERT) have lower glycemic variability.•Improvement of glycemic variability with is seen mainly in those with FCPD.•Small sample, lack of controls and of objective exocrine-insufficiency like fecal elastase are limitations of the study.</description><subject>Adult</subject><subject>Biomarkers - analysis</subject><subject>Biomarkers - blood</subject><subject>Blood Glucose - analysis</subject><subject>CGM</subject><subject>Diabetes Mellitus - blood</subject><subject>Enzyme Replacement Therapy</subject><subject>Female</subject><subject>Fibrocalculous pancreatic diabetes</subject><subject>Follow-Up Studies</subject><subject>Glycated Hemoglobin - analysis</subject><subject>Glycemic variability</subject><subject>Humans</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Pancreatic diabetes</subject><subject>Pancreatitis, Chronic - blood</subject><subject>Pancreatitis, Chronic - complications</subject><subject>Prognosis</subject><issn>1871-4021</issn><issn>1878-0334</issn><issn>1878-0334</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp9kMtuFDEQRS0EIiHwAWwiL9n04LLb022xQlESkCKxgbXlLlcrNerHxPYE5u9xmMCSVT187lX5CvEe1AYUbD_uNjH_2mil2zobUOqFOIe-6xtlTPvyTw9NqzSciTc575Sy1mn3WpwZB61WTp-L3e10RJoZ5WNIHAaeuBwlLxLv07rUNYYJeazNPiyYKBQunOVPLvcyVp4KZTnTVGWHLMMSJZcs92vOPEwkY31PMy9hKfmteDWGKdO753ohftxcf7_60tx9u_169fmuQW1saToclbYttqAVglXjOPadNXoga2BLahwCKteDM23ou-BiHOzgdGhRD9ogmAvx4eS7T-vDgXLxM2esJ4aF1kP2RjkDHWydrSicUEz14kSj3yeeQzp6UP4pYr_zNWL_FLE_RVw1l8_2h2Gm-E_xN9MKfDoBVD_5yJR8RqYFKXIiLD6u_B_73yC3jc0</recordid><startdate>202408</startdate><enddate>202408</enddate><creator>Chowdhury, Amarta Shankar</creator><creator>Palui, Rajan</creator><creator>Pramanik, Subhodip</creator><creator>Mondal, Sunetra</creator><general>Elsevier Ltd</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0003-3064-466X</orcidid></search><sort><creationdate>202408</creationdate><title>Glycemic variability in chronic calcific pancreatitis with diabetes mellitus and its possible determinants</title><author>Chowdhury, Amarta Shankar ; 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Patients having type 3c DM due to chronic pancreatitis, and on insulin underwent Flash continuous-glucose-monitoring (CGM) for 14 days. Parameters were compared between patients with fibrocalculous pancreatic diabetes (FCPD) and non-FCPD-chronic calcific pancreatitis (non-FCPD) and between the recipients and non-recipients of pancreatic enzyme-replacement-therapy (ERT). Out of 54 patients with pancreatic diabetes, 35 patients had chronic calcific pancreatitis. They underwent CGM, median HbA1c 9.20 % (77 mmol/mol) and mean Time-In-Range (TIR) being 41.21 % (23.48). Only 5 (15.2 %) patients achieved target TIR&gt;70 % while 16 (48.5 %) patients had high glycemic-variability [Coefficient-of-variation (CV) &gt; 36 %]. Patients with FCPD (n = 14) had higher hypoglycemia-indices like Time-Below-Range (18.92 % vs 8.20 %; p = 0.03) and Low-Blood-Glucose-Index (18.14 % vs 6.04 %; p = 0.02) compared to non-FCPD (n = 21). HbA1c% and hyperglycemic excursions were similar in both groups. Recipients of ERT (n = 20) had lower glycemic-variability [Standard Deviation (SD) 52.15 % vs 68.14 % and CV 32.59 % vs 41.79 %, p &lt; 0.05 for both) than non-recipients. ERT-recipients had no serious hypoglycemia within the 14 days. On subgroup analysis, lower glycemic-variability and hypoglycemia with ERT were seen only in FCPD but not in non-FCPD subgroup (50.13 vs 77.91, 30.09 vs 48.36 for SD and CV respectively, p &lt; 0.05). Patients with type 3c DM due to chronic pancreatitis have high frequency of hyperglycemic and hypoglycemic excursions, with those with FCPD having a particularly higher risk of hypoglycemia and glycemic-variability. Those receiving pancreatic ERT had lesser glycemic variability and hypoglycemia. The small sample size and lack of objective markers of documentation of exocrine pancreatic insufficiency like fecal elastase highlight the need for further larger studies in this field. •Patients with pancreatic DM/type 3cDM due to chronic pancreatitis have high glycemic variability (GV).•GV &amp; hypoglycemia risk is more in fibrocalculous pancreatopathic DM(FCPD) than non-FCPD chronic pancreatitis.•Patients with type 3c DM receiving pancreatic enzyme-replacement-therapy (PERT) have lower glycemic variability.•Improvement of glycemic variability with is seen mainly in those with FCPD.•Small sample, lack of controls and of objective exocrine-insufficiency like fecal elastase are limitations of the study.</abstract><cop>Netherlands</cop><pub>Elsevier Ltd</pub><pmid>39142092</pmid><doi>10.1016/j.dsx.2024.103100</doi><orcidid>https://orcid.org/0000-0003-3064-466X</orcidid></addata></record>
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identifier ISSN: 1871-4021
ispartof Diabetes & metabolic syndrome clinical research & reviews, 2024-08, Vol.18 (8), p.103100, Article 103100
issn 1871-4021
1878-0334
1878-0334
language eng
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source ScienceDirect Freedom Collection 2022-2024
subjects Adult
Biomarkers - analysis
Biomarkers - blood
Blood Glucose - analysis
CGM
Diabetes Mellitus - blood
Enzyme Replacement Therapy
Female
Fibrocalculous pancreatic diabetes
Follow-Up Studies
Glycated Hemoglobin - analysis
Glycemic variability
Humans
Male
Middle Aged
Pancreatic diabetes
Pancreatitis, Chronic - blood
Pancreatitis, Chronic - complications
Prognosis
title Glycemic variability in chronic calcific pancreatitis with diabetes mellitus and its possible determinants
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