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Aims/hypothesisIntra-abdominal or visceral obesity is associated with insulin resistance and an increased risk for cardiovascular disease. This study aimed to compare the effects of semaglutide 1.0 mg and canagliflozin 300 mg on body composition in a subset of participants from the SUSTAIN 8 Phase IIIB, randomised double-blind trial who underwent whole-body dual-energy x-ray absorptiometry (DXA) scanning.MethodsAdults (age ≥18 years) with type 2 diabetes, HbA1c 53–91 mmol/mol (7.0–10.5%), on a stable daily dose of metformin (≥1500 mg or maximum tolerated dose) and with an eGFR ≥60 ml min−1 [1.73 m]−2 were randomised 1:1 to semaglutide 1.0 mg once weekly and canagliflozin placebo once daily, or canagliflozin 300 mg once daily and semaglutide placebo once weekly. Body composition was assessed using whole-body DXA scans. The study participants and investigator remained blinded throughout the trial, and quality of DXA scans was evaluated in a blinded manner. Change from baseline to week 52 in total fat mass (kg) was the confirmatory efficacy endpoint.ResultsA subset of 178 participants (semaglutide, n = 88; canagliflozin, n = 90) underwent DXA scanning at screening and were randomised into the substudy. Of these, 114 (semaglutide, n = 53; canagliflozin, n = 61) participants had observed end-of-treatment data included in the confirmatory efficacy analysis. Of the 178 participants in the substudy, numerical improvements in body composition (including fat mass, lean mass and visceral fat mass) were observed after 52 weeks with both treatments. Total fat mass (baseline 33.2 kg) was reduced by 3.4 kg and 2.6 kg with semaglutide and canagliflozin, respectively (estimated treatment difference: –0.79 [95% CI −2.10, 0.51]). Although total lean mass (baseline 51.3 kg) was also reduced by 2.3 kg and 1.5 kg with semaglutide and canagliflozin, respectively (estimated treatment difference: −0.78 [−1.61, 0.04]), the proportion of lean mass (baseline 59.4%) increased by 1.2%- and 1.1%-point, respectively (estimated treatment difference 0.14 [−0.89, 1.17]). Changes in visceral fat mass and overall changes in body composition (assessed by the fat to lean mass ratio) were comparable between the two treatment groups.Conclusions/interpretationIn individuals with uncontrolled type 2 diabetes on stable-dose metformin therapy, the changes in body composition with semaglutide and canagliflozin were not significantly different. Although numerical improvements in body composition were observed following treatment in both treatment arms, the specific impact of both treatments on body composition in the absence of a placebo arm is speculative at this stage.Trial registrationClinicalTrials.gov NCT03136484.FundingThis trial was supported by Novo Nordisk A/S, Denmark.

Aims/hypothesisThe primary analysis of the Canagliflozin cardioVascular Assessment Study (CANVAS) Program showed canagliflozin to have a beneficial effect on cardiovascular and renal outcomes in people with type 2 diabetes at high cardiovascular risk, but also an unexpected increased risk of major or minor lower extremity amputation. These secondary analyses explore this finding in more detail.MethodsThe effect of canagliflozin on amputation risk in the CANVAS Program was calculated for amputations of different types and proximate aetiologies and different canagliflozin doses. Univariate and multivariate associations of baseline characteristics with amputation risk were determined and proportional and absolute effects of canagliflozin were compared across subgroups.ResultsThere were 187 (1.8%) participants with atraumatic lower extremity amputations (minor 71%, major 29%); as previously published, rates were 6.30 vs 3.37 per 1000 participant-years with canagliflozin vs placebo (HR 1.97 [95% CI 1.41, 2.75]). Risk was similar for ischaemic and infective aetiologies and for 100 mg and 300 mg doses. Overall amputation risk was strongly associated with baseline history of prior amputation (major or minor) (HR 21.31 [95% CI 15.40, 29.49]) and other established risk factors. No interactions between randomised treatment and participant characteristics explained the effect of canagliflozin on amputation risk. For every clinical subgroup studied, numbers of amputation events projected were smaller than numbers of major adverse cardiovascular events averted.Conclusions/interpretationThe CANVAS Program demonstrated that canagliflozin increased the risk of amputation (mainly minor) in this study population. Anticipated risk factors for amputation were identified, such as prior history of amputation, peripheral vascular disease and neuropathy, but no specific aetiological mechanism or at-risk subgroup for canagliflozin was identified.

Aims/hypothesis Canagliflozin, a sodium glucose co-transporter 2 inhibitor, reduces HbA 1c , body weight and systolic BP (SBP) in patients with type 2 diabetes. As weight loss is known to reduce both HbA 1c and SBP, these analyses were performed to evaluate the contribution of weight loss resulting from treatment with canagliflozin to HbA 1c and SBP reductions in patients with type 2 diabetes. Methods Pooled data from four placebo-controlled Phase 3 studies ( N  = 2,250) in patients with type 2 diabetes were used in the analyses. In each study, patients were treated with placebo, canagliflozin 100 mg or canagliflozin 300 mg, once daily for 26 weeks. Changes from baseline in body weight, HbA 1c and SBP were measured at week 26, and the contribution of weight loss to the lowering of HbA 1c and SBP was obtained using ANCOVA. Results Canagliflozin 100 and 300 mg reduced mean body weight, HbA 1c and SBP compared with placebo ( p  < 0.001 for each), and more patients had body-weight reductions >0%, ≥5% and ≥10% with canagliflozin treatment than with placebo. Weight-loss-independent and weight-loss-associated mechanisms contributed to HbA 1c and SBP lowering with canagliflozin: ~85% of HbA 1c lowering and ~60% of SBP lowering was independent of weight loss. Conclusions/interpretation In patients with type 2 diabetes, canagliflozin provided clinically meaningful body-weight reductions, and the weight loss contributed to reductions in HbA 1c and SBP. Trial registration : ClinicalTrials.gov NCT01081834; NCT01106625; NCT01106677; and NCT01106690

BackgroundWe aimed to investigate the efficacy of canagliflozin (based on its effect on liver function and blood glucose levels) and its safety in high alanine aminotransferase (ALT) patients (ALT >30 U/L).MethodsThis post hoc analysis of canagliflozin in type 2 diabetes mellitus (T2DM) patients was divided into Study 1 (pooled analysis of 12- and 24-week placebo-controlled, monotherapy studies) and Study 2 (52-week monotherapy/combination therapy study). The canagliflozin 100 mg group data were compared with placebo or baseline ALT subgroup (baseline ALT >30 or ≤30 U/L) data. The primary endpoint was change in ALT level from baseline. Secondary endpoints were changes in efficacy-related parameters. Adverse events (AEs) were evaluated.ResultsThe mean ALT change at 12 weeks was −10.3 ± 11.7 and −3.2 ± 17.6 U/L in the canagliflozin vs. placebo group in the high ALT subgroup (P = 0.0206); no significant difference was shown in the low ALT subgroup (Study 1). In both ALT subgroups, glycosylated hemoglobin (HbA1c) and body weight were significantly reduced in the canagliflozin vs. placebo group (all P < 0.0001). The mean change in ALT at 52 weeks was −16.0 ± 18.8 U/L in the high ALT subgroup (P < 0.0001, Study 2). The incidence of AEs or serious AEs in the high ALT subgroup in the canagliflozin group was similar to that in the placebo group (Study 1) or low ALT subgroup (Studies 1 and 2).ConclusionsIn T2DM patients with impaired liver function, canagliflozin may improve liver function, reduce HbA1c and body weight, and be well tolerated.

Objective To investigate the effects of canagliflozin combined with metformin on insulin sensitivity in patients with type 2 diabetes mellitus (T2DM). Methods Patients with T2DM who were treated in the outpatient department of the hospital between May 2023 and May 2024 were selected. Based on different treatment approaches, the patients were divided into a control group (80 cases) and an observation group (80 cases). The control group received metformin treatment, while the observation group was treated with a combination of canagliflozin and metformin. All patients underwent a six-month course of drug treatment. Indicators related to blood glucose control, such as fasting blood glucose (FBG), 2 h postprandial blood glucose (2hPG), and glycosylated hemoglobin (HbA1c), were measured before and after treatment. Pancreatic function indicators, including fasting insulin (FINS), homeostasis model assessment of insulin resistance (HOMA-IR), beta-cell function (HOMA-β), and insulin sensitivity (HOMA-ISI), were also evaluated. Changes in total cholesterol (TC), triglycerides (TG), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), waist circumference, and body mass index (BMI) before and after treatment were compared between the two groups. Adverse reactions during the treatment period were recorded for both groups. Results After treatment, HbA1c, FPG, and 2hPG levels in both groups were lower than their respective pre-treatment levels, with the observation group showing significantly lower levels than the control group ( P  < 0.05). Post-treatment FINS, HOMA-β, and HOMA-ISI levels in both groups were higher than pre-treatment levels, with the observation group exhibiting significantly higher levels than the control group ( P  < 0.05). HOMA-IR levels in both groups decreased compared to pre-treatment levels, with the observation group demonstrating significantly lower levels than the control group ( P  < 0.05). Total cholesterol (TC), triglycerides (TG), LDL-C, BMI, and waist circumference in both groups decreased after treatment, with the observation group displaying greater reductions than the control group ( P  < 0.05). HDL-C levels increased in both groups after treatment, with the observation group achieving higher levels than the control group ( P  < 0.05). The extent of improvement in patients' HbA1c, TC, BMI, and waist circumference was significantly correlated with changes in HOMA-IR ( P  < 0.05). Additionally, improvements in HbA1c, BMI, and waist circumference were significantly associated with changes in HOMA-β ( P  < 0.05). No significant difference was observed in the overall incidence of adverse reactions between the two groups (10.00% vs. 15.00%, P  > 0.05). Conclusion The combination of canagliflozin and metformin in the treatment of T2DM not only effectively reduces blood glucose levels but also significantly improves insulin sensitivity and pancreatic function, with good safety profiles. For T2DM patients with obesity or insulin resistance, the combination therapy may offer additional benefits in terms of weight management and enhanced insulin sensitivity.

DJT1116PG, which selectively inhibits renal glucose reabsorption by inhibiting sodium-glucose cotransporter type 2, was developed as an insulin-independent treatment for type 2 diabetes mellitus. This Phase I trial evaluated the pharmacokinetic and pharmacodynamic properties of DJT1116PG at steady state in healthy Chinese individuals. This was a multiple ascending dose study of DJT1116PG (20, 50, and 100 mg once daily for 7 days) that included 36 healthy individuals. There were no serious adverse events or deaths in these studies, and no adverse event led to study discontinuation. Oral DJT1116PG was rapidly absorbed with a Tmax of 0.75–1.5 h and a t½ of 12–16.2 h. Systemic exposure (Cmax and AUC) of DJT1116PG and its inactive metabolites (T1444, T1454, and T1830) increased in a dose-dependent manner. Urinary glucose excretion (UGE) plateaued at 50 mg of DJT1116PG in a previous single ascending dose study and on day 1 of this study. UGE plateaued at 20 mg of DJT1116PG on day 7 of this study. Serum glucose parameters were similar in individuals who received DJT1116PG or placebo. DJT1116PG was well tolerated in healthy Chinese individuals. At steady state, UGE plateaued at 20 mg of DJT1116PG in these individuals. These findings will inform the selection of doses for further early-stage clinical trials of DJT1116PG. Chinese Drug Trial Identifier: CTR20160986.

Our aim was to investigate the long-term efficacy and safety of canagliflozin, a sodium−glucose co-transporter 2 inhibitor, added to background sulfonylurea (SU) monotherapy for patients with type 2 diabetes mellitus. The CANagliflozin cardioVascularAssessment Study (CANVAS) was a double-blind, placebo-controlled cardiovascular outcomes study that randomly assigned participants to receive placebo or canagliflozin 100 or 300 mg once daily in addition to routine therapy. CANVAS included a prespecified SU substudy of patients taking background doses of SU monotherapy; data from the primary efficacy evaluation at 18 weeks have been published previously. We performed a retrospective analysis of the SU substudy at 52 weeks to measure long-term efficacy and safety of canagliflozin used with an SU. The primary objective of the long-term extension was to assess the change from baseline to 52 weeks in glycosylated hemoglobin (HbA1c). A total of 215 patients were included in the 52-week extension study. Patients receiving both 100-mg and 300-mg doses of canagliflozin achieved a sustained reduction in HbA1c relative to patients receiving placebo (−0.61% [95% CI, −0.941% to −0.282%] and −0.66% [95% CI, −0.993% to −0.332%], respectively), regardless of baseline HbA1c, duration of diabetes, SU dose, estimated glomerular filtration rate, or body mass index. A sustained reduction in fasting plasma glucose was also found in both 100-mg and 300-mg groups, relative to the placebo group (−2.04 mmol/L [95% CI, −2.778 to −1.299 mmol/L] and −1.88 mmol/L [95% CI, −2.623 to −1.146 mmol/L], respectively). Weight was reduced significantly at 52 weeks in both 100-mg and 300-mg groups, relative to placebo (−1.9% [95% CI, −3.2% to −0.7%] and −2.0% [95% CI, −3.2% to –0.7%], respectively). Reduction in systolic blood pressure was also reported for both dose groups relative to the placebo group, but there was no clear difference in HDL-C, LDL-C, or triglyceride levels. Canagliflozin was generally well tolerated. While documented hypoglycemia occurred in 14% of patients on placebo, the frequency of hypoglycemia with the addition of canagliflozin was similar. There was an increased frequency of genital mycotic infections in both men (5.1%) and women (10.4%) in both canagliflozin groups combined, relative to the placebo group (0%), and their frequency increased in the higher-dose group. There was a slightly higher rate of renal impairment in those treated with canagliflozin versus placebo (2.1% vs 0%). After 52 weeks, patients receiving canagliflozin added to background SU had sustained reductions in HbA1c and fasting plasma glucose, without increasing hypoglycemia and body weight; safety findings were generally consistent with the known safety profile of the drug. ClinicalTrials.gov identifier: NCT01032629.

Canagliflozin, an orally active sodium–glucose cotransporter 2 inhibitor, is approved in many countries as an adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus. The recommended dose of canagliflozin is 100 or 300 mg once daily. This Phase I study was conducted to evaluate the pharmacokinetics, pharmacodynamics, and safety profile of canagliflozin in healthy Chinese subjects. In this double-blind, single-dose, 3-way crossover study, 15 healthy subjects were randomized (1:1:1) to receive single oral doses of canagliflozin 100 mg, canagliflozin 300 mg, or placebo. Pharmacokinetic, pharmacodynamic, and safety assessments were made at prespecified time points. All participants are healthy Chinese adults. Mean AUC and Cmax of canagliflozin increased in a dose-dependent manner after single-dose administration (AUC0–∞, 10,521 ng · h/mL for 100 mg, 33,583 ng · h/mL for 300 mg; Cmax, 1178 ng/mL for 100 mg, 4113 ng/mL for 300 mg). The mean apparent t½ and the median Tmax of canagliflozin were independent of dose (t½, 16.0 hours for 100 mg, 16.2 hours for 300 mg; Tmax, ~1 hour). Mean CL/F and renal clearance of canagliflozin were comparable between the 2 doses. Mean plasma metabolite to parent molar ratios for Cmax and AUC0–∞ were similar with both doses. Canagliflozin decreased the 24-hour mean renal threshold for glucose, calculated by using measured creatinine clearance to estimate the glomerular filtration rate (67.9 and 60.7 mg/dL for canagliflozin 100 and 300 mg, respectively) and 24-hour increased urinary glucose excretion (33.8 and 42.9 g for canagliflozin 100 and 300 mg, respectively) in a dose-dependent manner; the 24-hour plasma glucose profile remained largely unchanged. No deaths, hypoglycemic events, or discontinuations due to adverse events were observed. Pharmacokinetics (AUC and Cmax) of canagliflozin increased in a dose-dependent manner after single oral doses of canagliflozin (100 and 300 mg) in these healthy Chinese subjects. Tmax and t½ of canagliflozin were independent of the dose. Canagliflozin decreased the 24-hour mean renal threshold for glucose and increased urinary glucose excretion in a dose-dependent manner; these results are consistent with those observed in other patient populations. Canagliflozin was generally safe and well tolerated in these healthy Chinese subjects. ClinicalTrials.gov identifier: NCT01707316.

Background. SGLT-2 (sodium-glucose cotransporter-2) inhibitors are a novel class of oral hypoglycemic agents for the management of type 2 diabetes mellitus (T2DM). Herein, we aimed to assess the long-term effectiveness and safety of SGLT-2 inhibitors in a Southern Italy population of subjects affected by T2DM. Patients and Methods. 408 diabetic patients treated with one of the three SGLT-2 inhibitors currently available in Italy (dapagliflozin, empagliflozin, and canagliflozin), either alone or in combination with other antidiabetic drugs, were retrospectively assessed at baseline, during, and after 18 months of continuous therapy. Results. Treatment with SGLT-2 inhibitors resulted in a median decrease in HbA1c of 0.9%, with a percentage of decrement of 12 in relation to the baseline value, followed by a significant reduction (P<0.001) in fasting plasma glucose. Variations in HbA1c occurred independently of the baseline clinical or biochemical characteristics. In addition, treatment with SGLT-2 inhibitors reduced body weight (P<0.008) and decreased diastolic blood pressure (P=0.004). With regard to safety outcomes, 66 patients out of 91 stopped SGLT-2 inhibitors during follow-up because of chronic or recurring genital infections, while the rest experienced other adverse events, such as urinary tract infections, polyuria, nausea, hypotension, dizziness, acute coronary event, worsening of glycemic control status, and rapid deterioration of renal function. Conclusion. In our patients’ population, the glycometabolic effects of SGLT-2 inhibitors were durable and comparable to those observed in multicenter randomized controlled trials. This notwithstanding safety concerns must be raised regarding the frequent occurrence of genitourinary infections and the risk of a rapid decline of renal function in patients with evidence of volume depletion and/or receiving other medications which can adversely affect kidney function.

Abstract Aim To examine the effect of combination therapy with canagliflozin plus liraglutide versus each agent alone on beta cell function in type 2 diabetes mellitus (T2DM) patients. Research Design and Methods A total of 45 poorly controlled (HbA1c = 7%-11%) T2DM patients received an oral glucose tolerance test (OGTT) before and after 16 weeks of treatment with: (i) liraglutide (LIRA); (ii) canagliflozin (CANA); (iii) liraglutide plus canagliflozin (CANA/LIRA). Results Both liraglutide and canagliflozin significantly lowered HbA1c with no significant additive effect of the combination on HbA1c (0.89%, 1.43%, and 1.67% respectively). Insulin secretion during the OGTT, measured with (∆C-Pep/∆G)0-120, increased in the 3 groups (from 0.30 ± 0.06 to 0.48 ± 0.10; 0.29 ± 0.05 to 0.98 ± 0.23; and 0.24 ± 0.06 to 1.09 ± 0.12 in subjects receiving CANA, LIRA and CANA/LIRA respectively; P = 0.02 for CANA vs LIRA, P < 0.0001, CANA/LIRA vs CANA), and the increase in insulin secretion was associated with an increase in beta cell glucose sensitivity (29 ± 5 to 55 ± 11; 33 ± 6 to 101 ± 16; and 28 ± 6 to 112 ± 12, respectively; P = 0.01 for CANA vs LIRA, P < 0.0001, CANA/LIRA vs CANA). No significant difference in the increase in insulin secretion or beta cell glucose sensitivity was observed between subjects in LIRA or CANA/LIRA groups. The decrease in HbA1c strongly and inversely correlated with the increase in beta cell glucose sensitivity (r = 0.71, P < 0.001). In multivariate regression model, improved beta cell glucose sensitivity was the strongest predictor of HbA1c decrease with each therapy. Conclusion Improved beta cell glucose sensitivity with canagliflozin monotherapy and liraglutide monotherapy or in combination is major factor responsible for the HbA1c decrease. Canagliflozin failed to produce an additive effect to improve beta cell glucose sensitivity above that observed with liraglutide.