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Table 1 Demographic characteristics of the included studies

From: Comparison of the effects of fibrates versus statins on plasma lipoprotein(a) concentrations: a systematic review and meta-analysis of head-to-head randomized controlled trials

Author

Study design

Target Population

Treatment duration

n

Study groups

Age, years

Female, n (%)

BMI, kg/m2

Total cholesterol, mg/dL

LDL-C, mg/dL

HDL-C, mg/dL

Triglycerides, mg/dL

Lp(a), mg/dL

Lp(a) change, mg/dL

Athyros et al. (2002) [52]

Randomized, open-label trial

Type 2 diabetes and combined hyperlipidemia

24 weeks

40

40

40

Atorvastatin 20 mg/day

Fenofibrate 200 mg/day

Atorvastatin 20 mg/day + fenofibrate 200 mg/day

57 (44–67)a

58 (48–69)a

58 (50–68)a

17 (42.5)

18 (45.0)

17 (42.5)

ND

ND

ND

252 ± 17

253 ± 17

255 ± 19

161 ± 15

163 ± 15

163 ± 16

34.6 ± 3.2

34.8 ± 3.4

35.1 ± 3.5

278 ± 24

281 ± 24

278 ± 23

18.4 ± 3.7

20.1 ± 5.2

19.2 ± 4.1

2.0

–4.0

1.0

Bredie et al. (1996) [55]

Randomized, double-blind, placebo-controlled trial

Familial combined hyperlipidemia

12 weeks

41

40

Simvastatin 20 mg/day Gemfibrozil 1200 mg/day

50.4 ± 10.8

53.4 ± 9.4

9 (21.9)

14 (35.0)

26.6 ± 2.7

27.2 ± 3.0

282.2 ± 37.1

290.0 ± 37.8

149.6 ± 37.8

157.7 ± 38.2

32.4 ± 7.3

35.1 ± 7.7

283.4 ± 106.2

285.2 ± 108.0

19.6b

18.0b

6.5

2.7

Hansen et al. (1994) [60]

Randomized, cross-over trial

Familial defective apolipoprotein

B-100

8 weeks

17

13

Pravastatin 40 mg/day

Gemfibrozil 1200 mg/day

45.8 ± 17.1

40.8 ± 12.3

12 (70.5)

7 (53.8)

ND

ND

320.9 ± 58.0

320.9 ± 46.4

247.4 ± 54.1

235.8 ± 42.5

46.4 ± 7.7

50.2 ± 19.3

115.1 (79.7–168.2)a

141.7 (106.2–230.2)a

10.5 (3.5–16.7)a

8.3 (3.4–12.9)a

0.9

1.1

Perez-Jimenez et al. (1995)

[61]

Randomized, cross-over trial

Patients with heart transplant

8 weeks

18

18

Lovastatin 10 mg/day

Bezafibrate 400 mg/day

54 ± 2

2 (11.1)

ND

302 ± 7

307 ± 5

213 ± 5

212 ± 5

54 ± 3

51 ± 4

170 ± 15

201 ± 17

34 ± 9

37 ± 9

5.0

–13.0

Melenovsky et al. (2002)

[51]

Randomized, open-label, cross-over trial

Combined hyperlipidemia

10 weeks

15

14

Fenofibrate 200 mg/day

Atorvastatin 10 mg/day

48.0 ± 6.9

46.4 ± 8.9

ND

ND

27.7 ± 2.3

27.9 ± 3.2

300.0 ± 56.4

283.0 ± 35.9

174.7 ± 46.4

165.8 ± 23.2

49.4 ± 8.8

47.9 ± 15.8

492.4 ± 440.2

465.0 ± 372.8

24 ± 29

17 ± 23

2.8

1.8

Ohrvall et al. (1995) [54]

Randomized, double-blind, cross-over trial

Diabetes and hyperlipo-proteinemia

4 months

25

24

Gemfibrozil 1200 mg/day

Simvastatin 10 mg/day

63.7 (48–78)a

9 (31.0)

ND

232.0 ± 40.2

152.7 ± 43.3

36.7 ± 6.9

116.0 ± 52.5

37.77 ± 54.75

–7.0

–2.4

Ramires et al. (1995) [62]

Randomized clinical trial

Hyperlipidemia and hyperlipo-proteinemia

12 weeks

14

13

Gemfibrozil 1200 mg/day

Lovastatin 40-80 mg/day

54 ± 7

55 ± 9

5 (55.5)

3 (30.0)

ND

ND

298.9 ± 12.3

299.3 ± 11.2

209.9 ± 20.8

208.0 ± 11.9

31.7 ± 7.3

34.4 ± 6.1

295.8 ± 23.0

281.6 ± 20.3

29.8 ± 5.7

27.8 ± 4.1

–7.5

1.4

Bairaktari et al. (1999) [50]

Open-label trial

Mixed hyperlipidemia

16 weeks

45

46

Atorvastatin 10 mg/day

Fenofibrate 200 mg/day

49 ± 8

46 ± 10

16 (35.5)

15 (32.6)

26.8 ± 4

27.4 ± 3

278 ± 34

282 ± 37

198 ± 29

199 ± 36

40 ± 11

36 ± 16

271 ± 59

269 ± 60

14 ± 12

11.8 ± 10.5

1.2

–1.8

Davidson et al. (2009) [53]

Randomized, double-blind trial

Dyslipidemia

12 weeks

74

73

73

Atorvastatin 40 mg/day

Fenofibrate 145 mg/day

Atorvastatin 40 mg/day + fenofibrate 100 mg/day

56.3 ± 9.8

56.4 ± 10.5

54.9 ± 10.7

39 (52.7)

33 (45.2)

33 (45.2)

ND

ND

ND

254.4 ± 44.2

251.9 ± 47.5

252.0 ± 40.1

165.0 ± 37.7

166.6 ± 46.7

156.2 ± 33.6

42.7b

41.2b

43.3b

265.1b

227.3b

270.2b

69.0 ± 67.5

66.0 ± 65.3

76.8 ± 74.5

9.3

5.1

6.9

Greten et al. (1994) [64]

Randomized, double-blind trial

Primary hypercholesterolemia

12 weeks

64

67

Fluvastatin 40 mg/day

Bezafibrate 400 mg/day

53.0 (18–75)a

51.8 (22–70)a

37 (57.8)

37 (55.2)

24.6 (18.6–31.2)a

24.7 (16.9–31.6)a

352.7 ± 89.4

340.3 ± 76.7

268.9 ± 88.5

257.4 ± 75.6

55.2 ± 12.2

55.2 ± 12.6

143.2 ± 48.0

138.0 ± 59.4

12.0 ± 16.5

14.0 ± 30.0

1.0

0.4

Kehely et al. (1995) [56]

Randomized, double-blind trial

Mixed hyperlipidemia

3 months

53

27

26

Placebo

Simvastatin 20 mg/day

Bezafibrate 400 mg/day

ND

52 ± 9

49 ± 10

ND

11 (40.7)

4 (15.3)

ND

ND

ND

298.5 ± 51.8

189.0 ± 54.9

42.5 ± 8.1

286.9 ± 122.2

19.8 ± 2.8

5.7

–2.5

May et al. (2008) [57]

Randomized, double-blind, placebo-controlled trial

Diabetes and mixed dyslipidemia

12 weeks

100

100

100

Fenofibrate 160 mg/day

Simvastatin 20 mg/day

Fenofibrate 160 mg/day +

Simvastatin 20 mg/day

61.6 ± 11.5

135 (45.0)

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

4.0 (2.0–6.0)a

4.0 (2.0–6.0)a

5.0 (3.0–9.0)a

1.0

1.0

0.0

Ramires et al. (1997) [63]

Randomized clinical trial

Hypercholesterolemia and hyperlipoproteinemia

12 weeks

14

13

Gemfibrozil 1200 mg/day

Lovastatin 40-80 mg/day

54 ± 7

55 ± 9

5 (36.0)

6 (59.0)

ND

ND

306 ± 13

307 ± 11

215 ± 21

213 ± 12

33 ± 7

35 ± 6

294 ± 23

280 ± 20

51 ± 10

48 ± 7

–13.0

–2.0

Saougos et al. (2007) [65]

Clinical trial

Hyperlipidemia

2 months

50

50

Rosuvastatin 10 mg/day

Fenofibrate 200 mg/day

54.6 ± 14.6

55.9 ± 11

31 (62.0)

30 (60.0)

25.8 ± 4.2

34.3 ± 7

297.7 ± 50.2

235.8 ± 34.8

208.8 ± 42.5

146.9 ± 34.8

58.0 ± 11.6

50.2 ± 11.6

141.7 ± 53.1

239.1 ± 53.1

4.0 (2.0–7.4)a

3.8 (2.0–7.9)a

0.0

0.1

Vigna et al. (1999) [58]

Randomized, double-blind trial

Men with mixed hyperlipidemia

2 months

15

15

Gemfibrozil 1200 mg/day

Simvastatin 20 mg/day

53.6 ± 11.7

50.9 ± 9.9

0 (0.0)

0 (0.0)

26.7 ± 1.9

25.0 ± 2.5

280.2 ± 30.1

281.2 ± 38.8

208.5 ± 30.1

206.7 ± 37.8

46.1 ± 9.9

44.4 ± 8.2

46.1 ± 9.9

44.4 ± 8.2

25.7 ± 22.6

9.2 ± 11.8

–4.3

2.1

de Lorgeril et al. (1999) [59]

Randomized, double-blind trial

Dyslipidemic coronary patients

12 weeks

32

32

Fenofibrate 200 mg/day

Simvastatin 20 mg/day

ND

ND

ND

278.4 ± 27.0

278.4 ± 27.0

193.3 ± 27.0

197.2 ± 23.2

46.4 ± 11.6

46.4 ± 7.7

186.0 ± 79.7

168.2 ± 88.5

34 ± 62

32 ± 39

–6.0

–2.0

  1. Values are expressed as mean ± SD
  2. aMedian (interquartile range)
  3. bMean only
  4. BMI body mass index, ND no data