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Diabetes Metab. 2019 Apr;45(2):175-183. doi: 10.1016/j.diabet.2018.03.007. Epub 2018 Apr 6.

Impact of sex and glucose-lowering treatments on hypoglycaemic symptoms in people with type 2 diabetes and chronic kidney disease. The French Chronic Kidney Disease - Renal Epidemiology and Information Network (CKD-REIN) Study.

Author information

1
CESP Centre for Research in Epidemiology and Population Health, Univ Paris-Saclay, Univ Paris Sud, UVSQ, UMRS 1018, Villejuif, France.
2
Diabetology, CHU Pitié-Salpétrière, APHP, Paris, France.
3
Lorraine Univ, Paris-Descartes Univ, Apemac, EA 4360, Nancy, France; Nephrology Department, CHU de Nancy, Vandoeuvre-lès-Nancy, France.
4
Service de Néphrologie Transplantation Dialyse Aphérèse, Centre Hospitalier Universitaire de Bordeaux, Bordeaux, France; Inserm, U1026, Univ Bordeaux Segalen, Bordeaux, France.
5
Department of Nephrology, Centre Hospitalier Lyon Sud, Univ Lyon, UCBL, Carmen, Pierre-Bénite, France.
6
CESP Centre for Research in Epidemiology and Population Health, Univ Paris-Saclay, Univ Paris Sud, UVSQ, UMRS 1018, Villejuif, France; Agence de la Biomédecine, Saint-Denis, France.
7
Inserm CIC-1433, CHRU Nancy, Clinical Epidemiology, Vandoeuvre-lès-Nancy, France.
8
CESP Centre for Research in Epidemiology and Population Health, Univ Paris-Saclay, Univ Paris Sud, UVSQ, UMRS 1018, Villejuif, France; Nephrology Department, CHU Ambroise Paré, Boulogne, France.
9
Arbor Research Collaborative for Health, Ann Arbor, MI, United States.
10
CESP Centre for Research in Epidemiology and Population Health, Univ Paris-Saclay, Univ Paris Sud, UVSQ, UMRS 1018, Villejuif, France. Electronic address: benedicte.stengel@inserm.fr.

Abstract

AIM:

To describe current practices of glucose-lowering treatments in people with diabetes and chronic kidney disease (CKD), the associated glucose control and hypoglycaemic symptoms, with an emphasis on sex differences.

METHODS:

Among the 3033 patients with CKD stages 3-5 recruited into the French CKD-REIN study, 645 men and 288 women had type 2 diabetes and were treated by glucose-lowering drugs.

RESULTS:

Overall, 31% were treated only with insulin, 28% with combinations of insulin and another drug, 42% with non-insulin glucose-lowering drugs. In CKD stage 3, 40% of patients used metformin, 12% at stages 4&5, similar for men and women; in CKD stage 3, 53% used insulin, similar for men and women, but at stages 4&5, 59% of men and 77% of women used insulin. Patients were reasonably well controlled, with a median HbA1c of 7.1% (54mmol/mol) in men, 7.4% (57mmol/mol) in women (P=0.0003). Hypoglycaemic symptoms were reported by 40% of men and 59% of women; they were not associated with the estimated glomerular filtration rate, nor with albuminuria or with HbA1c in multivariable analyses, but they were more frequent in people treated with insulin, particularly with fast-acting and pre-mixed insulins.

CONCLUSION:

Glucose-lowering treatment, HbA1c and hypoglycaemic symptoms were sex dependent. Metformin use was similar in men and women, but unexpectedly low in CKD stage 3; its use could be encouraged rather than resorting to insulin. Hypoglycaemic symptoms were frequent and need to be more closely monitored, with appropriate patient-education, especially in women.

KEYWORDS:

Chronic kidney disease; Epidemiology; Glucose lowering treatments; Hypoglycaemia; Sex; Type 2 diabetes

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