Table 1

Characteristics of long-term randomised controlled trials of thiazolidinedione use included in the analysis of pneumonia and lower respiratory tract infection adverse events

SourceLocationParticipantsInclusionsExclusionsDuration (years)Drug and daily doseMale (%)Age, mean (SD) (years)Median HbA1C, (SD)
Rosiglitazone
Kahn et al (2006)17 GSK 49653/04818Multicentre, North America and EuropeType 2 diabetesDiagnosed in last 3 years and treated with diet and exerciseHepatic disease, renal impairment, anaemia, lactic acidosis or UA or CHF, uncontrolled HTN, requiring steroid4Rosiglitazone 8 mg55.756.3 (10)7.36 (0.92)
Glibenclamide 15 mg58.056.4 (10.2)7.36 (0.93)
Metformin 2000 mg59.456.9 (9.9)7.35 (0.93)
Gerstein et al (2010)19 GSK AVD 10052120Multicentre, Europe, Asia and AmericaType 2 diabetes>1 atherosclerotic plaque with 1–2 OHAsMI, CABG, CHF, renal and liver disease1.5Rosiglitazone 4 mg70.461.8 (8.38)7.10 (0.84)
Glipizide 5 mg65.660.2 (9.05)7.20 (0.91)
GSK 049653/020 (2004)21Multicentre, EuropeType 2 diabetesC- peptide level>0.80 ng/ml and FPG>126 mg/dl and <270 mg/dlDiabetic complications, serious renal, hepatic or haematological impairment1Rosiglitazone 4 mg68.260.4 (8.23)8.07 (1.29)
Rosiglitazone 8 mg57.760.6 (9.27)8.21 (1.44)
Glibenclamide70.460.1 (8.34)8.15 (1.26)
Dargie et al (2007)22 GSK 49653/21123Multicentre, EuropeType 2 diabetesSymptomatic CHF and FPG>126 mg/dl or <216 mg/dlBMI>35 kg/m2, significant hepatic, renal disease or anaemia1Rosiglitazone 4 mg84.364.3 (8.8)7.7 (1.3)
Placebo7963.9 (8.6)7.8 (1.3)
Hedblad et al (2007)24 GSK 49653/33425Single centre, SwedenType2 diabetes insulin resistanceHOMA IR>1.80 for women and >2.12 for menUA, CHF, required insulin, history of ketoacidosis, 2 or more OHAs1Rosiglitazone 4 mg44.867.7 (5.3)6.31 (0.76)
Placebo47.667.3 (6.3)6.28 (0.78)
GSK 049653/35126Single centre, UKType 2 diabetesHBAIC <10%, treated with OHA, vascular disease2 or more OHAs or required insulin1Rosiglitazone 8 mg77.862.2 (8.2)NA
Placebo79.365.6 (6.1)NA
GSK AVM 100264 (2006)27Multicentre, Europe, MexicoType 2 diabetesHBAIC >7 and <10 on MetOHAs other than metformin, renal, hepatic disease or CHF NYHA I–IV1Rosiglitazone 4–8 mg52.758.5 (9.6)8.04 (0.89)
Sulfonylurea52.559.3 (9.2)7.99 (0.96)
Home et al (2009)6364 centres in Europe and AustralasiaType 2 diabetesBMI>25 kg/m2 on Met or SU with HBAIC 7–9%Hospitalisation for major CV event 3 months prior, planned intervention, CHF5.5Rosiglitazone 4–8 mg (+Met)53.857.0 (8.0)7.8 (0.7)
Rosiglitazone 4–8 mg (+SU)4959.8 (8.3)8.0(0.7)
Metformin 2550 mg (+SU)52.957.2 (8.1)7.8 (0.7)
Glibenclamide 15 mg (+Met)50.659.7 (8.2)8.0 (0.7)
Pioglitazone
Dormandy et al (2005)11MulticentreType 2 diabetesHBAIC>6.5% treated with diet or oral agents and extensive macrovascular diseaseType 1 diabetes, coronary or peripheral revascularisation, NHYA II and above CHF, haemodialysis or elevated liver enzymes3.5Pioglitazone15–45 mg6761.9 (7.6)7.8 (NA)
Placebo6661.6 (7.8)7.9 (NA)
Schernthaner et al (2004)29 *167 centres in 12 European countriesType 2 diabetesPoorly controlled type 2 diabetes with HBAIC between 7.5% and 11%, age >65Type 1 diabetes, ketoacidosis, MI, TIA or stroke in last 6 months, NYHA I–IV CHF, cancer or substance abuse1Pioglitazone 30–45 mg52.169.5 (2.93)8.58 (0.93)
Metformin 850 mg once a day to three times a day44.769.1 (2.92)8.83 (1.01)
Charbonnel et al (2005)30 *206 centres in EuropeType 2 diabetesPoorly controlled type 2 diabetes with HBAIC between 7.5% and 11%, age >65Type 1 diabetes, ketoacidosis, MI, TIA or stroke in last 6 months, NYHA I–IV CHF, cancer or substance abuse1Pioglitazone 30–45 mg52.169.5 (2.93)8.58 (0.95)
Gliclazide 80–160 mg twice a day56.369.5 (2.85)8.58 (0.95)
Hanefeld et al (2004)31 *91 centres in Europe and CanadaType 2 diabetesPoorly controlled type 2 diabetes with HBAIC between 7.5% and 11%, age >65Type 1 diabetes, ketoacidosis, MI, TIA or stroke in last 6 months, NYHA I–IV CHF cancer or substance abuse1Pioglitazone 14–45 mg53.369.8 (2.7)8.79 (0.79)
Metformin 850 mg once a day to three times a day49.569.3 (3.12)8.75 (1.01)
Matthews et al (2005)32 *75 centres in Europe and AustraliaType 2 diabetesPoorly controlled type 2 diabetes with glycated haemoglobin between 7.5% and 11%, age >65Type 1 diabetes, ketoacidosis, MI, TIA or stroke in last 6 months, NYHA I–IV CHF, cancer or substance abuse1Pioglitazone 15–45 mg50.869.5 (2.79)8.58 (0.97)
Gliclazide 80–160 mg twice a day33.369.3 (2.75)8.50 (0.82)
  • * Post hoc pooled safety analysis on a subgroup of older participants from four randomised controlled trials (Rajagopalan et al 2006).28

  • BMI, body mass index; CABG, coronary artery bypass graft; CHF, congestive heart failure; CV, cardiovascular; FPG, fasting plasma glucose; GSK, GlaxoSmithKline; HOMA IR, homeostatic model assessment insulin resistance; HBAIC, glycated haemoglobin; HTN, hypertension; Met, metformin; MI, myocardial infarction; NA, not available; NYHA, New York Heart Association; OHA, oral hypoglycemic agents; TIA, transient ischaemic attack; UA, unstable angina; SU, sulfonylurea.