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Tian T, Aaron RE, Huang J, Yeung AM, Svensson J, Gentile S, Forbes A, Heinemann L, Seley JJ, Kerr D, Klonoff DC. Lipohypertrophy and Insulin: An Update From the Diabetes Technology Society. J Diabetes Sci Technol 2023; 17:1711-1721. [PMID: 37555266 PMCID: PMC10658672 DOI: 10.1177/19322968231187661] [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] [Indexed: 08/10/2023]
Abstract
Lipohypertrophy is a common skin complication associated with insulin-treated diabetes. The impact of lipohypertrophy as a contributing factor to suboptimal glycemic control, glucose variability, and hypoglycemia is often under-recognized by health care professionals. In a recent Webinar on April 26, 2023, Diabetes Technology Society asked international experts to provide updates on the latest knowledge related to lipohypertrophy for practicing clinicians and educators, researchers, and industries involved in insulin delivery. A recording of the Webinar is freely available on the Diabetes Technology Society Web site (https://www.diabetestechnology.org/).
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Affiliation(s)
- Tiffany Tian
- Diabetes Technology Society, Burlingame, CA, USA
| | | | | | | | - Jannet Svensson
- Steno Diabetes Center Copenhagen, Herlev, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Sandro Gentile
- Department of Internal Medicine, Campania University “Luigi Vanvitelli,” Naples, Italy
- Diabetes Unit AID Stabia, Nefrocenter Research and Nyx Start-Up, Naples, Italy
| | - Angus Forbes
- Division of Care in Long-term Conditions, King’s College London, London, UK
| | | | - Jane Jeffrie Seley
- Division of Endocrinology, Diabetes & Metabolism, Weill Cornell Medicine, New York, NY, USA
| | - David Kerr
- Diabetes Technology Society, Burlingame, CA, USA
| | - David C. Klonoff
- Diabetes Research Institute, Mills-Peninsula Medical Center, San Mateo, CA, USA
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Fröhlich-Reiterer E, Elbarbary NS, Simmons K, Buckingham B, Humayun KN, Johannsen J, Holl RW, Betz S, Mahmud FH. ISPAD Clinical Practice Consensus Guidelines 2022: Other complications and associated conditions in children and adolescents with type 1 diabetes. Pediatr Diabetes 2022; 23:1451-1467. [PMID: 36537532 DOI: 10.1111/pedi.13445] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Affiliation(s)
- Elke Fröhlich-Reiterer
- Department of Pediatrics and Adolescent Medicine, Medical University of Graz, Graz, Austria
| | | | - Kimber Simmons
- Barbara Davis Center for Diabetes, University of Colorado, Denver, Colorado, USA
| | - Bruce Buckingham
- Division of Endocrinology and Diabetes, Department of Pediatrics, Stanford University Medical Center, Stanford, California, USA
| | - Khadija N Humayun
- Department of Pediatrics and Child Health, Aga Khan University, Karachi, Pakistan
| | - Jesper Johannsen
- Department of Pediatrics and Adolescent Medicine, Copenhagen University Hospital, Herlev and Steno Diabetes Center Copenhagen, Copenhagen, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Reinhard W Holl
- Institute of Epidemiology and Medical Biometry, ZIBMT, University of Ulm, Ulm, Germany
| | - Shana Betz
- Parent/Advocate for people with diabetes, Markham, Canada
| | - Farid H Mahmud
- Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
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Xue Y, Chen C, Tan R, Zhang J, Fang Q, Jin R, Mi X, Sun D, Xue Y, Wang Y, Xiong R, Lu H, Tan W. Artificial Intelligence-Assisted Bioinformatics, Microneedle, and Diabetic Wound Healing: A "New Deal" of an Old Drug. ACS APPLIED MATERIALS & INTERFACES 2022; 14:37396-37409. [PMID: 35913266 DOI: 10.1021/acsami.2c08994] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Diabetic wounds severely influence life, facing grand challenges in clinical treatments. The demand for better treatment is growing dramatically. Diabetic wound healing is challenging because of inflammation, angiogenesis disruptions, and tissue remodeling. Based on sequencing results of diabetic patients' skins and artificial intelligence (AI)-assisted bioinformatics, we excavate a potential therapeutic agent Trichostatin A (TSA) and a potential target histone deacetylase 4 (HDAC4) for diabetic wound healing. The molecular docking simulation reveals the favorable interaction between TSA and HDAC4. Taking advantage of the microneedle (MN) minimally invasive way to pierce the skin barrier for drug administration, we develop a swelling modified MN-mediated patch loaded with TSA to reduce the probability of injection-caused iatrogenic secondary damage. The MN-mediated TSA patch has been demonstrated to reduce inflammation, promote tissue regeneration, and inhibit HDAC4, which provides superior results in diabetic wound healing. We envisage that our explored specific drug TSA and the related MN-mediated drug delivery system can provide an innovative approach for diabetic wound treatment with simple, effective, and safe features and find a broad spectrum of applications in related biomedical fields.
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Affiliation(s)
- Yanan Xue
- State Key Laboratory of Industrial Control and Technology, Zhejiang University, Hangzhou 310027, China
- Institute of Cyber-Systems and Control, the Department of Control Science and Engineering, Zhejiang University, Hangzhou 310027, China
- Department of Plastic Surgery, Sir Run Run Shaw Hospital, Zhejiang University of Medicine, Hangzhou 310016, China
| | - Cheng Chen
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310000, China
| | - Rong Tan
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong 999077, China
| | - Jingyu Zhang
- State Key Laboratory of Industrial Control and Technology, Zhejiang University, Hangzhou 310027, China
- Institute of Cyber-Systems and Control, the Department of Control Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Qin Fang
- State Key Laboratory of Industrial Control and Technology, Zhejiang University, Hangzhou 310027, China
- Institute of Cyber-Systems and Control, the Department of Control Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Rui Jin
- State Key Laboratory of Industrial Control and Technology, Zhejiang University, Hangzhou 310027, China
- Institute of Cyber-Systems and Control, the Department of Control Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Xiangyu Mi
- State Key Laboratory of Industrial Control and Technology, Zhejiang University, Hangzhou 310027, China
- Institute of Cyber-Systems and Control, the Department of Control Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Danying Sun
- State Key Laboratory of Industrial Control and Technology, Zhejiang University, Hangzhou 310027, China
- Institute of Cyber-Systems and Control, the Department of Control Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Yinan Xue
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Yue Wang
- State Key Laboratory of Industrial Control and Technology, Zhejiang University, Hangzhou 310027, China
- Institute of Cyber-Systems and Control, the Department of Control Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Rong Xiong
- State Key Laboratory of Industrial Control and Technology, Zhejiang University, Hangzhou 310027, China
- Institute of Cyber-Systems and Control, the Department of Control Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Haojian Lu
- State Key Laboratory of Industrial Control and Technology, Zhejiang University, Hangzhou 310027, China
- Institute of Cyber-Systems and Control, the Department of Control Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Weiqiang Tan
- Department of Plastic Surgery, Sir Run Run Shaw Hospital, Zhejiang University of Medicine, Hangzhou 310016, China
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Peng S, Xu M, Zhao H, Yang H, Zhang L, Hu S, Liu H, She Y, Lee M, Li H. Gender Differences in Prevalence and Clinical Correlates of Lipohypertrophy in Insulin-Exposed Patients with Diabetes Mellitus. Diabetes Metab Syndr Obes 2022; 15:3871-3887. [PMID: 36540349 PMCID: PMC9760066 DOI: 10.2147/dmso.s392324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 11/26/2022] [Indexed: 12/15/2022] Open
Abstract
PURPOSE The purpose of this systematic review was to assess potential gender differences in prevalence and clinical relevance of insulin-related lipohypertrophy (LH). PATIENTS AND METHODS Five electronic databases (PubMed, Embase, CNKI, Wanfang and VIP) were systematically searched for studies, from inception to 1st Sep 2022, on the prevalence of insulin-related LH. The eligibility of articles was independently screened, and the included studies were evaluated using standardized quality assessment tools. RESULTS A total of 22 studies mentioned the LH prevalence in different genders, of which two are about gestational diabetes; therefore, 20 studies were eventually included, providing data on 6238 patients. The prevalence of LH varied from 30.26% to 72.54%. Ten studies (4392 patients) were conducted with the adult diabetes patients of different genders over the age of 18, the total prevalence rate of LH was 51.73%, the LH prevalence in male gender was from 41.94% to 68.57% and the rate of the total population was 54.89% (2046 patients); The LH prevalence in female gender was from 33.18% to 70% and the rate of the total population was 48.98% (2346 patients), and the prevalence of LH was significantly different between male and female gender (P<0.001). Interestingly, only one study (n=1227) showed that there were dramatic differences between different genders (P<0.001), the subjects were T2DM patients, the LH prevalence rate of male vs female was 70.52% (299/424) VS 52.18% (419/803), while the other studies either only include T1DM or both T1DM and T2DM. CONCLUSION The evidence shows that the results of gender differences in the LH prevalence are inconsistent with different types of DM. Probably, there is no gender differences in the LH prevalence in adult patients with T1DM, but it has a gender difference between male and female in T2DM. More strictly designed clinical studies are needed to further verify and reveal the underlying mechanisms.
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Affiliation(s)
- Siping Peng
- The Fourth Clinical Medical College, Guangzhou University of Chinese Medicine, Shenzhen, People’s Republic of China
- Department of Endocrinology, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, People’s Republic of China
| | - Mingming Xu
- Department of Endocrinology, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, People’s Republic of China
| | - Hengxia Zhao
- The Fourth Clinical Medical College, Guangzhou University of Chinese Medicine, Shenzhen, People’s Republic of China
- Department of Endocrinology, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, People’s Republic of China
| | - Haiyan Yang
- Department of Endocrinology, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, People’s Republic of China
| | - Linlin Zhang
- Department of Endocrinology, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, People’s Republic of China
| | - Shuqiao Hu
- Department of Endocrinology, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, People’s Republic of China
| | - Huiling Liu
- Department of Endocrinology, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, People’s Republic of China
| | - Yuqin She
- Department of Endocrinology, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, People’s Republic of China
| | - Maosheng Lee
- The Fourth Clinical Medical College, Guangzhou University of Chinese Medicine, Shenzhen, People’s Republic of China
- Department of Endocrinology, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, People’s Republic of China
- Correspondence: Maosheng Lee; Huilin Li, Tel +86 15521083565, Fax +86 0755-8839368, Email ;
| | - Huilin Li
- The Fourth Clinical Medical College, Guangzhou University of Chinese Medicine, Shenzhen, People’s Republic of China
- Department of Endocrinology, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, People’s Republic of China
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Pan Q, Zhang L, Gu A, Yu D, Wang X, Zhou Y, Guo L. The Absorption of Needle-Free Insulin Aspart Through Jet Injector in Different Body Parts of Healthy Individuals. Front Endocrinol (Lausanne) 2022; 13:832726. [PMID: 35574009 PMCID: PMC9099202 DOI: 10.3389/fendo.2022.832726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 03/28/2022] [Indexed: 12/03/2022] Open
Abstract
The absorption of needle-free fast-acting insulin injected into different body parts of healthy male subjects was studied in an attempt to provide clinical guidance for diabetic patients who take needle-free insulin injections in terms of providing reference in the clinical guidance regarding the correct use of needle-free insulin injections among diabetic patients. This randomized, open-label, cross-over trial was conducted on eight healthy adult male volunteers, in which the skin thickness at three injection sites (abdomen, upper arm, and thigh), the time to peak, peak rate, and area under the glucose infusion rate (GIR) curve of plasma insulin were measured through the hyperinsulin-normal glucose clamp test after the injection of insulin aspart with a needle-free syringe at three different sites to analyze the correlation between insulin absorption index at different injection sites and skin thickness. The values of the skin thickness of the abdomen, upper arm, and thigh measured by ultrasonic wave were 2.45 ± 0.34 mm, 2.18 ± 0.50 mm, and 1.93 ± 0.55 mm, respectively. There was a significant difference in the skin thickness of the abdomen and thigh (P = 0.014). The hyperinsulin-normal glucose clamp model was successfully established for each subject. Approximately 0-2 h after injection of insulin aspart with needle-free syringes, the area under the GIR-time curve of the abdomen, upper arm, and thigh was 29,400.75 ± 2,645.00 ml, 30,230.50 ± 4,937.87 ml, and 30,179.63 ± 6,188.57 ml, respectively. There was no significant difference in the area under the GIR curve between any two injection sites (P >0.05). The time to peak of GIR at different injection sites was 38.68 ± 13.57 min in the abdomen, 40.86 ± 12.70 min in the upper arm, and 37.03 ± 13.29 min in the thigh, respectively, in which no significant difference was found between each of them (P >0.05). The GIR curve after injection at the three different sites was consistent with each other. There was no significant difference in insulin absorption after the injection of insulin aspartate into the abdomen, upper arm, and thigh with a needleless syringe in healthy male adult volunteers, and there was no correlation between skin thickness at the injection site and insulin absorption. Injection sites did not affect the absorption of insulin in needle-free injections.
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Hashem R, Mulnier H, Abu Ghazaleh H, Halson-Brown S, Duaso M, Rogers R, Karalliedde J, Forbes A. Characteristics and morphology of lipohypertrophic lesions in adults with type 1 diabetes with ultrasound screening: an exploratory observational study. BMJ Open Diabetes Res Care 2021; 9:9/2/e002553. [PMID: 34876413 PMCID: PMC8655520 DOI: 10.1136/bmjdrc-2021-002553] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 11/14/2021] [Indexed: 11/29/2022] Open
Abstract
INTRODUCTION Lipohypertrophy is a common complication of exposure to insulin therapy. Despite the prevalence of lipohypertrophy and its potentially hazardous effects on glucose regulation, it remains a relatively understudied problem in diabetes. The objective of this study was to characterize lipohypertrophic tissue using ultrasound in adults with type 1 diabetes. RESEARCH DESIGN AND METHODS An observational study of 74 people with type 1 diabetes from a diabetes center in South East London. Participants' insulin exposed areas were scanned with ultrasound, with a high-frequency linear probe (6-13 MHz). The observed tissue changes were described, measured and graded according to nodule size and thickness of the dermal layer. RESULTS Participants mean age and diabetes duration were 40.6 (±14.2) and 18.3 (±10.9) years, respectively, and 60% (n=44) were male. A total of 740 lipohypertrophic nodules were observed, ranging from 1.8 mm to 40 mm in width. The mean (SD/range) number of nodules per participants was 10.4 (±6.2/1-29). Delineation between the dermal layers was disrupted in all current injection sites. In 52 participants (70%), there was a 30% increase in dermal thickness compared with local none injected tissue, and in 36 participants (48%) the increase was 50%. The level of thickness was >3 mm in the abdominal areas of 22 (40%) of these participants and in thighs of eight participants (17.8%). Hypoechogenic areas suggestive of necrotic tissue were observed within the lipohypertrophic nodules of 22 (30%) participants. Needle length and nodule depth were correlated (r=0.69, p<0.001). A conceptual model of the insulin exposed tissue changes observed was constructed. CONCLUSIONS The study confirms that insulin-exposed tissue changes are heterogenous and has provided conceptual and grading frameworks for classifying these changes. Further studies are required to establish the clinical implications of these classifications, in relation to glucose regulation and other clinical parameters.
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Affiliation(s)
- Rabab Hashem
- Division of Care in Long-term Conditions, King's College London, London, UK
| | - Henrietta Mulnier
- Division of Care in Long-term Conditions, King's College London, London, UK
| | - Haya Abu Ghazaleh
- Division of Care in Long-term Conditions, King's College London, London, UK
| | - Susan Halson-Brown
- Department of Women & Children's Health, King's College London, London, UK
| | - Maria Duaso
- Division of Care in Long-term Conditions, King's College London, London, UK
| | - Rebecca Rogers
- Division of Care in Long-term Conditions, King's College London, London, UK
| | | | - Angus Forbes
- Division of Care in Long-term Conditions, King's College London, London, UK
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