Long-acting glucagon-like peptide 1 receptor agonists boost erectile function in men with type 2 diabetes mellitus complaining of erectile dysfunction : A retrospective cohort study
© 2023 The Authors. Andrology published by Wiley Periodicals LLC on behalf of American Society of Andrology and European Academy of Andrology..
INTRODUCTION: The pharmacological management of erectile dysfunction (ED) in type 2 diabetes (T2D) is challenging as ED has a multifactorial etiology. The therapeutic potential of certain antihyperglycemic medications, such as glucagon-like peptide 1 receptor agonists (GLP-1RAs), has yet to be entirely studied in this setting.
MATERIAL AND METHODS: A retrospective cohort study was conducted on 108 outpatients (median age 60 [56, 65] years) with T2D complaining of ED. Data were extracted from a database referring to patients with a 1-year follow-up on stable treatment with metformin alone (n = 45) and GLP-1RAs as an add-on to metformin (n = 63). Erectile function was assessed by the 5-item International Index of Erectile Function (IIEF5) at baseline and after 1 year of stable treatment . Values were compared between baseline (T0) and after 12 months of treatment (T12).
RESULTS: ED was confirmed in all at baseline, with an IIEF5 score range between 13 and 19 points. After 12 months of treatment, glucose management was better in patients treated with GLP-1RAs plus metformin (HbA1c T0: 8.3 ± 0.2 vs. HbA1c T12: 7% ± 0.3%, p < 0.0001) than in those on metformin alone (HbA1c T0: 7 ± 0.5 vs. HbA1c T12: 7.3 ± 0.4, p = 0.0007). GLP-1RAs plus metformin over metformin alone resulted in a significant weight loss (-5.82 ± 0.69 kg, p < 0.0001), reduction in waist circumference (-4.99 ± 0.6 cm, p < 0.0001), improvement in HbA1c (-0.56% ± 0.13%, p < 0.0001), and fasting plasma glucose (-25.54 ± 3.09 mg/dL, p < 0.0001), increase in total (+41.41 ± 6.11 ng/dL, p < 0.0001) and free (0.44 ± 0.09 ng/dL, p < 0.0001) testosterone levels, and gain in self-reported erectile function (IIEF5 score: +2.26 ± 0.26, p < 0.0001). The gain in the IIEF5 score was more relevant in patients with higher baseline IIEF5 score (estimated coefficient: 0.16 ± 0.08, p = 0.045), those having carotid stenosis (0.50 ± 0.24, p = 0.045), and showing weight loss from baseline (-0.08 ± 0.03, p = 0.013). The leading determinant of the final IIEF5 score was a 1-year treatment with GLP-1RAs plus metformin over metformin alone (2.74 ± 0.53, p < 0.0001).
DISCUSSION: GLP-1RAs plus metformin over metformin alone improved ED regardless of different background characteristics of patients and partially irrespective of therapeutic targets achieved after 12 months of treatment. GLP-1RAs may have induced positive vasculature effects, resulting in improved erectile function in T2D.
CONCLUSION: Due to the retrospective nature of the study, a potential cause-effect relationship between the use of GLP-1RAs plus metformin over metformin alone in improving ED cannot be verified and confirmed. Randomized clinical trials are needed to provide evidence supporting the use of GLP-1RAs for treating ED in T2D.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:12 |
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| Enthalten in: |
Andrology - 12(2024), 3 vom: 01. Feb., Seite 633-642 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Lisco, Giuseppe [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 14.02.2024 Date Revised 14.02.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1111/andr.13519 |
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| Förderinstitution / Projekttitel: |
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NLM361137451 |
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| 245 | 1 | 0 | |a Long-acting glucagon-like peptide 1 receptor agonists boost erectile function in men with type 2 diabetes mellitus complaining of erectile dysfunction |b A retrospective cohort study |
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| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2023 The Authors. Andrology published by Wiley Periodicals LLC on behalf of American Society of Andrology and European Academy of Andrology. | ||
| 520 | |a INTRODUCTION: The pharmacological management of erectile dysfunction (ED) in type 2 diabetes (T2D) is challenging as ED has a multifactorial etiology. The therapeutic potential of certain antihyperglycemic medications, such as glucagon-like peptide 1 receptor agonists (GLP-1RAs), has yet to be entirely studied in this setting | ||
| 520 | |a MATERIAL AND METHODS: A retrospective cohort study was conducted on 108 outpatients (median age 60 [56, 65] years) with T2D complaining of ED. Data were extracted from a database referring to patients with a 1-year follow-up on stable treatment with metformin alone (n = 45) and GLP-1RAs as an add-on to metformin (n = 63). Erectile function was assessed by the 5-item International Index of Erectile Function (IIEF5) at baseline and after 1 year of stable treatment . Values were compared between baseline (T0) and after 12 months of treatment (T12) | ||
| 520 | |a RESULTS: ED was confirmed in all at baseline, with an IIEF5 score range between 13 and 19 points. After 12 months of treatment, glucose management was better in patients treated with GLP-1RAs plus metformin (HbA1c T0: 8.3 ± 0.2 vs. HbA1c T12: 7% ± 0.3%, p < 0.0001) than in those on metformin alone (HbA1c T0: 7 ± 0.5 vs. HbA1c T12: 7.3 ± 0.4, p = 0.0007). GLP-1RAs plus metformin over metformin alone resulted in a significant weight loss (-5.82 ± 0.69 kg, p < 0.0001), reduction in waist circumference (-4.99 ± 0.6 cm, p < 0.0001), improvement in HbA1c (-0.56% ± 0.13%, p < 0.0001), and fasting plasma glucose (-25.54 ± 3.09 mg/dL, p < 0.0001), increase in total (+41.41 ± 6.11 ng/dL, p < 0.0001) and free (0.44 ± 0.09 ng/dL, p < 0.0001) testosterone levels, and gain in self-reported erectile function (IIEF5 score: +2.26 ± 0.26, p < 0.0001). The gain in the IIEF5 score was more relevant in patients with higher baseline IIEF5 score (estimated coefficient: 0.16 ± 0.08, p = 0.045), those having carotid stenosis (0.50 ± 0.24, p = 0.045), and showing weight loss from baseline (-0.08 ± 0.03, p = 0.013). The leading determinant of the final IIEF5 score was a 1-year treatment with GLP-1RAs plus metformin over metformin alone (2.74 ± 0.53, p < 0.0001) | ||
| 520 | |a DISCUSSION: GLP-1RAs plus metformin over metformin alone improved ED regardless of different background characteristics of patients and partially irrespective of therapeutic targets achieved after 12 months of treatment. GLP-1RAs may have induced positive vasculature effects, resulting in improved erectile function in T2D | ||
| 520 | |a CONCLUSION: Due to the retrospective nature of the study, a potential cause-effect relationship between the use of GLP-1RAs plus metformin over metformin alone in improving ED cannot be verified and confirmed. Randomized clinical trials are needed to provide evidence supporting the use of GLP-1RAs for treating ED in T2D | ||
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| 700 | 1 | |a Triggiani, Vincenzo |e verfasserin |4 aut | |
| 700 | 1 | |a Giagulli, Vito Angelo |e verfasserin |4 aut | |
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