Reinhard W. Holl’s research while affiliated with Deutsche Gesellschaft für Medizinische Informatik, Biometrie und Epidemiologie e.V. and other places

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Publications (268)


1959-LB: Successful Nationwide Expansion of the Local Stuttgart Ketoacidosis Prevention Campaign in Germany—Which Parameters Are Important for Awareness Campaigns?
  • Article

June 2025

Diabetes

MARTIN HOLDER

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JACQUELINE WEILER

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REINHARD W. HOLL

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STEFAN EHEHALT

Introduction and Objective: Following the successful implementation of the Stuttgart Diabetic Ketoacidosis (DKA) Prevention Campaign at local level, we have extended this proven concept to the Federal State of Baden-Wuerttemberg (BW) in Germany. Methods: All public health departments (PHD) in BW were invited over 3 years to hand out flyers and posters about the typical symptoms of diabetes to parents and caregivers as part of the school entry examination and to provide information about the disease. 14 of 38 PHD (37%) participated in the intervention. During the campaign 55370 information flyers and 2556 posters were distributed. Additional awareness activities were performed by the different PHDs. A comparative analysis of the DKA-incidence at diabetes onset was conducted in participating and non-participating districts, prior (2015-2020) and during the campaign (2021-2023). Results: 3038 children and adolescents were newly diagnosed with type 1 diabetes in BW during the observation period. DKA was present in 990 children (32,6%), severe DKA in 346 (11.4%). DKA rates among children and adolescents increased both in participating districts (29.9 % to 36.3 %) as well as in non-participating districts (27.0 % to 41.0 %; p<0.0001 for time-trend). However, there was a significant interaction between time-interval and the groups of districts (p<0.03) reflecting a significant treatment effect in the intervention group. Conclusion: The expansion of our local Awareness Campaign was possible and successful. The combination of a personal approach and cross-sectoral, interdisciplinary cooperation is an essential factor for the feasibility of prevention campaigns. And awareness campaigns need ongoing efforts to provide continued preventive effects. Disclosure M. Holder: Speaker's Bureau; Medtronic, Sanofi-Aventis Deutschland GmbH. J. Weiler: None. R.W. Holl: None. S. Ehehalt: None.


1220-P: Bridge Into Adulthood—Global Practice on Transitioning Youth with Type 1 Diabetes from Pediatric to Adult Care—Findings from SWEET Database and Center Survey

June 2025

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3 Reads

Diabetes

BARBARA PICCINI

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REINHARD W. HOLL

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FAISAL MALIK

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[...]

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Introduction and Objective: The transition process from pediatric to adult type 1 diabetes (T1D) care is poorly explored. We aimed to assess transition for youth living with T1D worldwide. Methods: SWEET (Better control in Pediatric and Adolescent diabeteS: Working to crEate CEnTers of Reference) database was analyzed (2016-2023, centers >20 patients, > 5-year data). Transfer was assumed in T1D patients 14-24 years with no visits for ≥2 years. Age at transfer was evaluated across regions. A survey developed by pediatric and adult diabetologists was distributed to all SWEET centers. Results: Among 33,418 transferred patients (104 centers, 51% male), age at T1D transfer was 18.7 years in Asia/Middle East/Africa, 18.4 in North America/Canada, 18.0 in Europe, 17.2 in Australia/New Zealand and 17.0 in South America (p <0.0001). Female gender and higher HbA1c were associated with earlier transfer (- 0.1 year, p <0.0002; - 0.08, p <0.0001), longer duration and larger centers with later transfer (p <0.0001). Of 160 surveyed centers, 79 responded: 43 in Europe, 20 Asia/Middle East/Africa, 8 North America, 6 South America, 2 Australia/New Zealand, 87% academic, 74% exclusively pediatric, 57% with age limit for pediatric care reimbursement. Annually, 80% of centers transferred <50 patients; 13% of centers transferred at 20+ years, 41% at 18-20, 27% at 16-18 and 9% at 14-16 years (no transfer: 6%). Structured transition was absent in 34% of centers. Key drivers for transfer included age (83% of centers), reimbursement policies (8%) and patient request (4%). Metabolic control (60%), psychiatric comorbidity (63%) and teen pregnancy (59%) influenced transfer, while technology use and T1D complications did not. Conclusion: This study highlights the global variability in T1D transition and the lack of structured transition in many centers. More efforts are needed to enhance transition preparation and a successful transfer for youth with T1D. Disclosure B. Piccini: Advisory Panel; Sanofi. R.W. Holl: None. F. Malik: None. C. de Beaufort: None. N.S. Elbarbary: None. V. Iotova: Other Relationship; Pfizer Inc, Novo Nordisk, AstraZeneca, Rezolute Bio, Medtronic, Novartis Pharmaceuticals Corporation, Novo Nordisk. C. Kanaka-Gantenbein: Research Support; Abbott, Amgen Inc. Advisory Panel; Kyowa Kirin Co., Ltd. Research Support; Novo Nordisk. Advisory Panel; Pfizer Inc, Sanofi. H. Kim: None. J.M. Leung: None. J. Mirza: None. L. Preechasuk: None. S. Toni: Consultant; Abbott. Advisory Panel; Sanofi.


Zertifizierung von Adipositas-Therapieeinrichtungen für Kinder und Jugendliche in Deutschland – Aufwand, Nutzen und Optimierungspotenziale

June 2025

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10 Reads

Adipositas - Ursachen Folgeerkrankungen Therapie

Zusammenfassung Um die Qualität von ambulanter Adipositastherapie für Kinder und Jugendliche zu sichern, ist die Überprüfung von Behandlungsstandards durch eine Zertifizierung wesentlich. Für Behandlungszentren ist diese mit Aufwand (z. B. Beschaffung und Aufbereitung von Daten) verbunden. Vor dem Hintergrund des Rückgangs zertifizierter Zentren in Deutschland (2015: 54 vs. 2022: 29) resultiert das Ziel, explorativ die Hintergründe zu erfassen, um Optimierungsempfehlungen abzuleiten. Im Jahr 2022 wurde im zuständigen Fachverband (Arbeitsgemeinschaft Adipositas im Kindes- und Jugendalter (AGA) der Deutschen Adipositas-Gesellschaft) eine explorative Querschnittserhebung unter den 431 Mitgliedern durchgeführt. Der digitale Fragebogen beinhaltete standardisierte offene und geschlossene Fragen zur Zertifizierung sowie persönliche Angaben. Die explorativen Daten von 80 Fragebögen wurden deskriptiv ausgewertet. Gründe für die Ablehnung einer Zertifizierung waren die Kosten und Personalaufwand, die Bereitstellung von qualifiziertem Personal, formale Anforderungen und Abläufe der Zertifizierung und die Notwendigkeit der Generierung eines wirtschaftlichen Mehrwertes durch eine Zertifizierung, wie die Anerkennung der Einrichtung als zertifiziertes Zentrum durch die Kostenträger. Die Ergebnisse deuten zwei Optimierungsempfehlungen an: 1.) verbindliche Regelungen zur Therapiekostenübernahme für zertifizierte Zentren durch Kostenträger, 2.) Reduktion des personellen Aufwandes für die Zertifizierung, die z. B. durch eine Reduktion formaler Anforderungen sowie Digitalisierung möglich erscheint. Künftige Studien sollten die explorativen Ergebnisse validieren.


898-P: SGLT2 Inhibitors or GLP-1 Receptor Agonists? Development of a Personalized Treatment Algorithm for Individuals with Type 2 Diabetes

June 2025

Diabetes

Introduction and Objective: Guidelines recommend GLP-1 receptor agonists (GLP-1-RA) and SGLT2 inhibitors (SGLT2i) for individuals with type 2 diabetes (T2D) at high risk of atherosclerotic cardiovascular disease (ASCVD). We aimed to develop a personalized treatment algorithm to guide the initial decision between these therapies. Methods: Using data from the Diabetes Prospective Follow-up registry (Germany/Austria) we studied individuals with T2D who initiated GLP-1-RA (n=823) or SGLT2i (n=1,566) in a multicenter, real-world setting. Dual users were excluded. Baseline characteristics included age, sex, BMI, eGFR, HbA1c, diabetes duration, and history of ASCVD. Non-fatal ASCVD events (MI, angina, revascularization, stroke, TIA, PAD) were analyzed using dynamic weighted survival modeling to predict the optimal treatment for each individual. Results: Based on a linear decision rule (Figure), the algorithm predicted 48% of individuals to have better ASCVD outcomes with GLP-1-RA and 52% with SGLT2i. GLP-1-RA-optimal individuals had on average a higher BMI (37 vs 31 kg/m²), lower eGFR (71 vs 93 ml/min per 1.73 m2) and less history of ASCVD (9 vs 18%) compared to SGLT2i-optimal individuals. Conclusion: Simple clinical features (BMI, eGFR, history of ASCVD) can guide personalized treatment recommendations to prevent non-fatal ASCVD complications in T2D. Disclosure T. Mori: None. O. Kuss: None. J.K. Mader: Advisory Panel; Abbott. Speaker's Bureau; Abbott. Advisory Panel; Eli Lilly and Company. Speaker's Bureau; Eli Lilly and Company. Stock/Shareholder; elyte Diagnostics. Advisory Panel; embecta. Speaker's Bureau; embecta, Menarini. Advisory Panel; Medtronic. Speaker's Bureau; Dexcom, Inc. Advisory Panel; Dexcom, Inc., Novo Nordisk A/S. Speaker's Bureau; Novo Nordisk A/S. Advisory Panel; Roche Diabetes Care. Speaker's Bureau; Roche Diabetes Care. Advisory Panel; Sanofi. Speaker's Bureau; Sanofi. Advisory Panel; Biomea Fusion, PharmaSens, Tingo Medical. Stock/Shareholder; decide Clinical Software. J. Seufert: Speaker's Bureau; Sanofi-Aventis Deutschland GmbH. Advisory Panel; Boehringer-Ingelheim. Speaker's Bureau; Boehringer-Ingelheim. Research Support; Boehringer-Ingelheim. Advisory Panel; Lilly Diabetes. Speaker's Bureau; Lilly Diabetes. Research Support; Lilly Diabetes. Advisory Panel; Novo Nordisk. Speaker's Bureau; Novo Nordisk. Research Support; Novo Nordisk. R.W. Holl: None. S. Lanzinger: None. J.M. Grimsmann: None.








Citations (38)


... 84 DKA at diagnosis is associated with higher blood glucose and insulin requirements two years after diagnosis, both of which directly impact long-term complications. 86 As such, avoidance of an initial DKA episode can potentially lower the risk of DKA in the future. The use of CGM has been shown to lower rates of DKA 87 ; however, studies of hybrid closed-loop systems have shown higher ketoacidosis risk, 78 which may be related to insufficient insulin delivery due to technical issues but requires further research. ...

Reference:

The Changing Epidemiology of Type 1 Diabetes: A Global Perspective
Association of Diabetic Ketoacidosis at Onset, Diabetes Technology Uptake, and Clinical Outcomes After 1 and 2 Years of Follow-up: A Collaborative Analysis of Pediatric Registries Involving 9,269 Children With Type 1 Diabetes From Nine Countries
  • Citing Article
  • Full-text available
  • February 2025

Diabetes Care

... The geographic groups were north-western Europe, north-eastern Europe, south-western Europe, south-eastern Europe, Middle East/North Africa, Hong Kong/Taiwan, Australia/New Zealand. Incidence data from the COVID-19 pandemic years 2020-22 were excluded from the incidence over time model as a number of studies have shown marked temporal variations in incidence during this period [24,25]. To date there are very limited incidence trend data available from 2023 onwards. ...

Wave in Pediatric Type 1 Diabetes Incidence After the Emergence of COVID-19: Peak and Trough Patterns in German Youth—A Population-Based Study From the Prospective Multicenter DPV Registry
  • Citing Article
  • January 2025

Diabetes Care

... The overall age-adjusted incidence rates of T1D varied from 0.1/ 100,000 in Zunyi, PR China, to 36.5/100,000 (34) or 40.9/ 100,000 (32) in Finland, with variations by age and sex, showing slightly higher in boys than in girls and lowest in children aged 0-4 yr and highest in youths aged 10-14 yr. Similarly, the T1D incidence of children of 0-14 of age from 1996 to 2022 demonstrated an increasing trend as 26.1/ 100,000 in a separate Germany study (35) with the similar variations of age and sex to those in Finland (32,34). ...

Type 1 diabetes incidence curves differ by age for girls and boys between 1996 and 2022: Results from the North Rhine-Westphalia Diabetes Registry, Germany

Diabetes Research and Clinical Practice

... Based on a literature search, we identified 15 retrospective studies reporting the change in glycaemic and extra-glycaemic endpoints after adding SGLT2i to insulin therapy in people with T1D [10][11][12][13][14][15][16][17][18][19][20][21][22][23][24]. Data are summarized in Table 3. ...

Effectiveness of add‐on therapy with SGLT2 inhibitors or GLP‐1 receptor agonists in adults with type 1 diabetes: A prospective DPV registry study

... The severe DKA group experienced significantly more subsequent DKA episodes than the other groups, suggesting socioeconomic factors might possibly persist and create an environment more prone to DKA repetition (28,29). This should be addressed, as any single DKA episode has an impact on further development, including neurocognitive functions (30) and AID could be the means to reduce its occurrence. ...

Regional Deprivation and Diabetic Ketoacidosis at Type 1 Diabetes Diagnosis in Children and Adolescents: International Comparison among 6 Countries
  • Citing Article
  • December 2024

Hormone Research in Paediatrics

... Strongly associated with World Bank income classification, mortality rates for both the general and T1D affected populations have recently been reported as falling in some highincome countries [13], most likely due to ongoing advances in health care, including diabetes-related technology and therapies in these populations. The differences in access to advanced technologies is likely to increase the life-expectancy gap even more given the marked improvement in clinical outcomes observed in countries with access to these technologies [38]. ...

Treatment regimens and glycaemic outcomes in more than 100 000 children with type 1 diabetes (2013–22): a longitudinal analysis of data from paediatric diabetes registries
  • Citing Article
  • November 2024

The Lancet Diabetes & Endocrinology

... Consequently, individuals with T1D require progressively higher doses of insulin over time [2,3]. This condition is the most prevalent form of diabetes in children and adolescents, affecting at least 85% of individuals under 20 years of age globally [4]. ...

Evaluation of spatiotemporal associations between COVID-19 pandemic waves and the incidence of pediatric type 1 diabetes in Germany considering time lags: A register-based ecological study
  • Citing Article
  • November 2024

Diabetes Research and Clinical Practice

... LADA patients also have a higher risk of cardiovascular complications. Studies from Germany and Austria found signi cantly higher rates of hypertension (77.7%) and dyslipidemia (90.6%) in LADA patients compared to T2DM and T1DM (5). A Swedish study showed a 67% increased risk of cardiovascular disease in high autoimmune LADA patients (6). ...

Increased cardiovascular risk in people with LADA in comparison to type 1 diabetes and type 2 diabetes: Findings from the DPV registry in Germany and Austria

... Data are pseudonymised and transferred biannually to Ulm University, Germany, where incomplete or implausible data are verified with the respective centres [8,9]. The DPV registry is representative of pediatric diabetes care and adults with diabetes treated in diabetes-specialised practices in the four participating European countries [10]. Race and ethnicity are not well documented in the DPV registry for the participant group included and were therefore not analysed in this study. ...

Clinical characteristics, treatment, and treatment switch after molecular‐genetic classification in individuals with maturity‐onset diabetes of the young: Insights from the multicenter real‐world DPV registry