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A prospective, observational, comparative study with no intervention.The objective of the study to compare the efficiency of detecting glycemic abnormalities using Continuous Glucose Monitoring (CGMs) versus Oral Glucose Tolerance Test (OGTT) and HbA1C (Glycated Hemoglobin) and their relation to iron overload detected by T2* MRI of the pancreas in high-risk patients due to insulin deficiency (potential beta cell injury) and those with insulin resistance and to study the different factors that may affect the glycemic control in these patients in relation to their results like the Dose of corticosteroids and chemotherapy in ALL and Hemoglobinopathies, Liver function in ALL and Hemoglobinopathies, and Serum ferritin in Hemoglobinopathies and their transfusion status. Using Validated Tools with Permission, the participants will be selected through probability (random) sampling method with expected subjects numbers ALL/L: 30-50, Thalassemia Major: 20, Sickle cell disease: 20.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| High-Risk Group | The objective of the study to compare the efficiency of detecting glycemic abnormalities using Continuous Glucose Monitoring (CGMs) versus Oral Glucose Tolerance Test (OGTT) and HbA1C. versus T2* MRI of the pancreas (T2* MRI of the Pancreas) in high-risk patients due to insulin deficiency (potential beta cell injury) and those with insulin resistance and to study the different factors that may affect the glycemic control in these patients in relation to their results like the Dose of corticosteroids and chemotherapy in ALL and Hemoglobinopathies,Liver function in ALL and Hemoglobinopathies, and Serum ferritin in Hemoglobinopathies and their transfusion status. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Continuous Glucose Monitoring (CGM) | Diagnostic Test | Where a pager-sized device fixed to the patient's forearm by a diabetic educator and it will connect to his/her body with the sensor, which measures blood glucose for three days. Patients' may experience little pain from needle prick when a sensor is introduced. |
| Measure | Description | Time Frame |
|---|---|---|
| Efficiency of continuous glucose monitoring compared to oral glucose tolerance and MRI of the Pancreas | Compare the efficiency of detecting glycemic abnormalities using CGMS versus OGTT vs HbA1C. in high-risk patients due to insulin deficiency (potential beta cell injury) and those with insulin resistance. Detect the prevalence of glycemic abnormalities detected in the same group of patients (high-risk patients) using three different modalities of testing (CGMS, OGTT, HbA1C)and T2*MRI for pancreas | 12 Months |
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Inclusion Criteria:
This study will include participants who are High-risk patients to develop glycemic abnormalities:
Exclusion Criteria:
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The targeted sample size is up to 100 patients (we aim to recruit approximately 70-100 cases based on the statistics from the outpatient clinics at NCCCR and the cancer registry data; over a period of 3 years). All cases of ALL, Lymphoma, Thalassemia and sickle cell disease diagnosed in HMC will be identified as subjects and they will be recruited based on informed consent and IRB approval.
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| Name | Affiliation | Role |
|---|---|---|
| Mohamed Yassin | Hamad Medical Corporation | Principal Investigator |
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| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 11467320 | Background | Gross TM, Bode BW, Einhorn D, Kayne DM, Reed JH, White NH, Mastrototaro JJ. Performance evaluation of the MiniMed continuous glucose monitoring system during patient home use. Diabetes Technol Ther. 2000 Spring;2(1):49-56. doi: 10.1089/152091500316737. | |
| 11921430 | Background | Potts RO, Tamada JA, Tierney MJ. Glucose monitoring by reverse iontophoresis. Diabetes Metab Res Rev. 2002 Jan-Feb;18 Suppl 1:S49-53. doi: 10.1002/dmrr.210. |
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| Oral Glucose Tolerance Test (OGTT) | Diagnostic Test | Oral glucose tolerance test requires the patient to be fasting and checking of blood sugar after 8 to 10 hours overnight fasting the blood sugar will be checked three times When you arrive to the lab then twice one hour, apart you can have pain due to needle prick or little bleeding at the puncture site. |
|
| T2* MRI of the Pancreas | Diagnostic Test | MRI [Magnetic resonance imaging] of the pancreas which is safe and takes around 30 minutes. |
|
| 15117576 | Background | Bode B, Gross K, Rikalo N, Schwartz S, Wahl T, Page C, Gross T, Mastrototaro J. Alarms based on real-time sensor glucose values alert patients to hypo- and hyperglycemia: the guardian continuous monitoring system. Diabetes Technol Ther. 2004 Apr;6(2):105-13. doi: 10.1089/152091504773731285. |
| 15975099 | Background | Hoi-Hansen T, Pedersen-Bjergaard U, Thorsteinsson B. Reproducibility and reliability of hypoglycaemic episodes recorded with Continuous Glucose Monitoring System (CGMS) in daily life. Diabet Med. 2005 Jul;22(7):858-62. doi: 10.1111/j.1464-5491.2005.01552.x. |
| 15855600 | Background | Klonoff DC. Continuous glucose monitoring: roadmap for 21st century diabetes therapy. Diabetes Care. 2005 May;28(5):1231-9. doi: 10.2337/diacare.28.5.1231. No abstract available. |
| 17259486 | Background | Nichols GA, Hillier TA, Brown JB. Progression from newly acquired impaired fasting glusose to type 2 diabetes. Diabetes Care. 2007 Feb;30(2):228-33. doi: 10.2337/dc06-1392. |
| 17576864 | Background | Barr EL, Zimmet PZ, Welborn TA, Jolley D, Magliano DJ, Dunstan DW, Cameron AJ, Dwyer T, Taylor HR, Tonkin AM, Wong TY, McNeil J, Shaw JE. Risk of cardiovascular and all-cause mortality in individuals with diabetes mellitus, impaired fasting glucose, and impaired glucose tolerance: the Australian Diabetes, Obesity, and Lifestyle Study (AusDiab). Circulation. 2007 Jul 10;116(2):151-7. doi: 10.1161/CIRCULATIONAHA.106.685628. Epub 2007 Jun 18. |
| 9686693 | Background | Alberti KG, Zimmet PZ. Definition, diagnosis and classification of diabetes mellitus and its complications. Part 1: diagnosis and classification of diabetes mellitus provisional report of a WHO consultation. Diabet Med. 1998 Jul;15(7):539-53. doi: 10.1002/(SICI)1096-9136(199807)15:73.0.CO;2-S. |
| 15618111 | Background | American Diabetes Association. Diagnosis and classification of diabetes mellitus. Diabetes Care. 2005 Jan;28 Suppl 1:S37-42. doi: 10.2337/diacare.28.suppl_1.s37. No abstract available. |
| 24944918 | Background | Soliman A, DeSanctis V, Yassin M, Elalaily R, Eldarsy NE. Continuous glucose monitoring system and new era of early diagnosis of diabetes in high risk groups. Indian J Endocrinol Metab. 2014 May;18(3):274-82. doi: 10.4103/2230-8210.131130. |
| 21764709 | Background | Chen Z, Shen J, Xu LL, Fu XJ, Li JM, Ma YY. [Accuracy of a continuous glucose monitoring system in detection of blood glucose during oral glucose tolerance test]. Nan Fang Yi Ke Da Xue Xue Bao. 2011 Jun;31(7):1256-8. Chinese. |
| 24376762 | Background | Zhou J, Mo Y, Li H, Ran X, Yang W, Li Q, Peng Y, Li Y, Gao X, Luan X, Wang W, Xie Y, Jia W. Relationship between HbA1c and continuous glucose monitoring in Chinese population: a multicenter study. PLoS One. 2013 Dec 23;8(12):e83827. doi: 10.1371/journal.pone.0083827. eCollection 2013. |
| 19764578 | Background | He LP, Wang C, Zhong L, Yang YZ, Long Y, Zhang XX, Shu SQ, Yu HL, Yu TT, Wang WP, Wang Y, Ran XW. [Glycemic excursions in people with normal glucose tolerance in Chengdu]. Sichuan Da Xue Xue Bao Yi Xue Ban. 2009 Jul;40(4):704-7. Chinese. |
| 23876034 | Background | Chen T, Xu F, Su JB, Wang XQ, Chen JF, Wu G, Jin Y, Wang XH. Glycemic variability in relation to oral disposition index in the subjects with different stages of glucose tolerance. Diabetol Metab Syndr. 2013 Jul 23;5:38. doi: 10.1186/1758-5996-5-38. eCollection 2013. |
| ID | Term |
|---|---|
| D019190 | Iron Overload |
| D006453 | Hemoglobinopathies |
| D008223 | Lymphoma |
| D054198 | Precursor Cell Lymphoblastic Leukemia-Lymphoma |
| ID | Term |
|---|---|
| D019189 | Iron Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
| D006402 | Hematologic Diseases |
| D006425 | Hemic and Lymphatic Diseases |
| D030342 | Genetic Diseases, Inborn |
| D009358 | Congenital, Hereditary, and Neonatal Diseases and Abnormalities |
| D009370 | Neoplasms by Histologic Type |
| D009369 | Neoplasms |
| D008232 | Lymphoproliferative Disorders |
| D008206 | Lymphatic Diseases |
| D007160 | Immunoproliferative Disorders |
| D007154 | Immune System Diseases |
| D007945 | Leukemia, Lymphoid |
| D007938 | Leukemia |
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| ID | Term |
|---|---|
| D000095583 | Continuous Glucose Monitoring |
| D005951 | Glucose Tolerance Test |
| ID | Term |
|---|---|
| D001774 | Blood Chemical Analysis |
| D019963 | Clinical Chemistry Tests |
| D019411 | Clinical Laboratory Techniques |
| D019937 | Diagnostic Techniques and Procedures |
| D003933 | Diagnosis |
| D003940 | Diagnostic Techniques, Endocrine |
| D008991 | Monitoring, Physiologic |
| D008919 | Investigative Techniques |
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