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  • 1
    In: Diabetes Care, American Diabetes Association, Vol. 33, No. 11 ( 2010-11-01), p. 2399-2405
    Abstract: The expression of vascular endothelial growth factor (VEGF) is elevated in diabetic macular edema (DME). Ranibizumab binds to and inhibits multiple VEGF variants. We investigated the safety and efficacy of ranibizumab in DME involving the foveal center. RESEARCH DESIGN AND METHODS This was a 12-month, multicenter, sham-controlled, double-masked study with eyes (age & gt;18 years, type 1 or 2 diabetes, central retinal thickness [CRT] ≥300 μm, and best corrected visual acuity [BCVA] of 73–39 ETDRS letters [Early Treatment Diabetic Retinopathy Study]) randomly assigned to intravitreal ranibizumab (0.3 or 0.5 mg; n = 51 each) or sham (n = 49). The treatment schedule comprised three monthly injections, after which treatment could be stopped/reinitiated with an opportunity for rescue laser photocoagulation (protocol-defined criteria). After month 1, dose-doubling was permitted (protocol-defined criteria, injection volume increased from 0.05 to 0.1 ml and remained at 0.1 ml thereafter). Efficacy (BCVA and CRT) and safety were compared between pooled ranibizumab and sham arms using the full analysis set (n = 151, patients receiving ≥1 injection). RESULTS At month 12, mean ± SD BCVA improved from baseline by 10.3 ± 9.1 letters with ranibizumab and declined by 1.4 ± 14.2 letters with sham (P & lt; 0.0001). Mean CRT reduction was 194.2 ± 135.1 μm with ranibizumab and 48.4 ± 153.4 μm with sham (P & lt; 0.0001). Gain of ≥10 letters BCVA from baseline occurred in 60.8% of ranibizumab and 18.4% of sham eyes (P & lt; 0.0001). Safety data were consistent with previous studies of intravitreal ranibizumab. CONCLUSIONS Ranibizumab is effective in improving BCVA and is well tolerated in DME. Future clinical trials are required to confirm its long-term efficacy and safety.
    Type of Medium: Online Resource
    ISSN: 0149-5992 , 1935-5548
    Language: English
    Publisher: American Diabetes Association
    Publication Date: 2010
    detail.hit.zdb_id: 1490520-6
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  • 2
    In: Diabetes, American Diabetes Association, Vol. 69, No. Supplement_1 ( 2020-06-01)
    Abstract: Background and Aims: Cotadutide, a dual receptor agonist with glucagon-like peptide-1 (GLP-1) and glucagon activity, is being researched for the potential treatment of nonalcoholic steatohepatitis. Given the known effects of glucagon on hepatic glycogen and lipid metabolism, the aim of this phase 2a study was to investigate the effect of cotadutide on hepatic glycogen. Methods: In this double-blind, placebo-controlled study, 21 overweight or obese adults with type 2 diabetes mellitus (HbA1c ≤ 8%) were randomized to receive once-daily subcutaneous cotadutide (n = 12) or placebo (n = 9) for 28 days. Following 48 hours of standardized meals, serial magnetic resonance spectroscopy scans relying on signals from naturally abundant 13C were performed to measure glycogen, and liver fat was also estimated. Fasting amino acid and ketone levels were also assessed. Results: Significant reductions from baseline in postprandial hepatic glycogen content were observed with cotadutide (-100.2 mmol/L; 90% CI: -150.2, -50.1) vs. placebo (+5.5 mmol/L; 90% CI: -47.2, 58.3; P = 0.023). Statistically significant reductions in hepatic glycogen content were observed across serial measures and after a 14-hour fast (P & lt; 0.05), with an overall change in glycogen AUC24h of -27.3% (P = 0.003) vs. placebo. In addition, a relative reduction in liver fat of 33.2% vs. placebo was reported (P = 0.006), and significant reductions in fasting alanine, glutamate, glycine, lysine, and threonine levels were also observed with cotadutide vs. placebo (all P ≤ 0.05). Beta-hydroxybutyrate and acetoacetate levels were not significantly different between the two arms. Conclusions: Cotadutide promoted a generalized reduction in hepatic glycogen and selected amino acid levels. Substantial reductions in liver fat were also observed with cotadutide, suggesting glucagon receptor engagement. Disclosure D. Robertson: Employee; Self; AstraZeneca. Stock/Shareholder; Self; AstraZeneca. L. Hansen: Employee; Self; AstraZeneca. P. Ambery: Employee; Self; AstraZeneca. R.L. Esterline: Employee; Self; AstraZeneca. L. Jermutus: Employee; Self; AstraZeneca. Stock/Shareholder; Self; AstraZeneca. Y. Chang: None. M. Petrone: Employee; Self; AstraZeneca. E. Johansson: None. L. Johansson: Employee; Self; Antaros Medical AB. Stock/Shareholder; Self; Antaros Medical AB. F.B. Sjöberg: None. V. Parker: None. Funding AstraZeneca
    Type of Medium: Online Resource
    ISSN: 0012-1797 , 1939-327X
    Language: English
    Publisher: American Diabetes Association
    Publication Date: 2020
    detail.hit.zdb_id: 1501252-9
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  • 3
    In: Diabetes, American Diabetes Association, Vol. 70, No. Supplement_1 ( 2021-06-01)
    Abstract: Background: Cotadutide, a dual glucagon-like peptide (GLP-1) and glucagon receptor agonist, is in development for NASH and T2DM with DKD. GLP-1 receptor agonists have been shown to delay the onset of macroalbuminuria in DKD. The glycemic and renal effects of cotadutide were assessed in a phase 2a, randomized, controlled trial (NCT03550378). Methods: The trial enrolled 41 patients with T2DM (HbA1c 6.5-10.5%) and CKD stage 3 (eGFR 30-59 mL/min/1.73 m2), on insulin and/or oral glucose-lowering therapy and BMI 25-45 kg/m2. Patients were randomized to once-daily subcutaneous cotadutide (n = 21) titrated up to 300 µg or placebo (PBO; n = 20) for 32 days. Endpoints included glucose response during a mixed meal tolerance test (MMTT), time spent within a target glucose range over a 7-day period on continuous glucose monitoring (CGM) and body weight. Exploratory measures included eGFR, UACR, C-peptide and NT-proBNP. Results: After 32 days, cotadutide compared with PBO reduced MMTT glucose AUC (-26.7%; 90% CI -34.6% to -18.8%; 7-day mean glucose -47.9 mg/dL vs. PBO) and increased CGM time spent in target range over 32 days by 36.0% vs. PBO to 78.7% (both p ≤ 0.003). Cotadutide was associated with 35.2% reduction in insulin dose, 0.88 µg/L increase in C-peptide and 3.7% reduction in body weight (all p ≤ 0.012). There was no change in eGFR. In patients with baseline micro- or macroalbuminuria (n = 18), UACR was reduced by 50.6% (p = 0.0504 vs. PBO). In addition, NT-proBNP level was reduced with cotadutide vs. PBO (-79.7 ng/L vs. -9.42 ng/L, p = 0.040). Safety and tolerability findings were consistent with the known mechanism of action of GLP-1 receptor agonists. There were no episodes of severe hypoglycemia, and CGM time & lt; 54 mg/dL was 1.65% with cotadutide vs. 0.82% with PBO. Conclusion: In patients with T2DM and DKD, short term treatment with cotadutide had robust effects on glucose lowering. The reduction in albuminuria suggests that cotadutide has renoprotective potential in DKD, but further evaluation is warranted. Disclosure V. E. Parker: Employee; Self; AstraZeneca, Stock/Shareholder; Self; AstraZeneca. P. Ambery: Employee; Self; AstraZeneca. H. L. Heerspink: Consultant; Self; AbbVie Inc., Astellas Pharma Inc., AstraZeneca, Bayer AG, Boehringer Ingelheim International GmbH, Chinook, CSL Behring, Fresenius Medical Care, Gilead Sciences, Inc., Janssen Research & Development, LLC, Merck & Co., Inc., Mitsubishi Corporation Life Sciences Limited, Mundipharma International, Novo Nordisk, Retrophin, Inc., Research Support; Self; AbbVie Inc., AstraZeneca, Boehringer Ingelheim International GmbH, Janssen Research & Development, LLC. R. J. Mccrimmon: Advisory Panel; Self; Novo Nordisk Inc., Sanofi-Aventis, Board Member; Self; Novo Nordisk Foundation, Research Support; Self; AstraZeneca. L. Jermutus: Employee; Self; AstraZeneca, Stock/Shareholder; Self; AstraZeneca. T. Hoang: None. H. Schlichthaar: Advisory Panel; Self; AstraZeneca, Eli Lilly and Company, Novo Nordisk. F. W. Gibb: Speaker’s Bureau; Self; Abbott Diabetes. B. Wenzel: None. M. G. Posch: None. Y. Chang: None. M. Petrone: None. L. Hansen: Employee; Self; AstraZeneca.
    Type of Medium: Online Resource
    ISSN: 0012-1797 , 1939-327X
    Language: English
    Publisher: American Diabetes Association
    Publication Date: 2021
    detail.hit.zdb_id: 1501252-9
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