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Table 2 Changes from baseline in cholesterol content of LDL subfractions

From: Effect of alirocumab on specific lipoprotein non-high-density lipoprotein cholesterol and subfractions as measured by the vertical auto profile method: analysis of 3 randomized trials versus placebo

 

Study 565

Study 566a

Study 1003

Placebo

Alirocumab 150 mg Q2W

Placebo + ATV 80 mg

Alirocumab 150 mg Q2W + ATV 10 mg

Alirocumab 150 mg Q2W + ATV 80 mg

Placebo

Alirocumab 150 mg Q2W

n = 31

n = 29

n = 26

n = 26

n = 29

n = 14

n = 16

Total LDL-C

       

 Baseline

115.2 (27.3)

109.6 (24.8)

120.1 (24.4)

123.0 (24.0)

122.1 (33.4)

141.4 (34.1)

135.7 (28.2)

 Post-treatmentb

111.1 (25.1)

34.5 (14.9)

97.7 (37.7)

43.5 (15.3)

44.6 (25.5)

130.4 (32.0)

53.4 (34.2)

 % change from baseline

−1.1 (21.3)

−67.5 (13.6)**

−17.3 (29.9)

−64.6 (11.9)**

−62.2 (22.5)**

−6.9 (13.7)

−60.3 (25.8)**

LDLr-C

       

 Baseline

90.5 (25.0)

85.6 (22.5)

95.0 (22.3)

96.9 (21.7)

96.0 (29.2)

110.3 (28.9)

103.6 (24.1)

 Post-treatmentb

87.2 (21.6)

21.5 (12.5)

75.9 (32.4)

27.7 (12.6)

29.6 (22.5)

100.6 (24.4)

36.8 (29.9)

 % change from baseline

0.1 (24.6)

−74.9 (14.4)**

−18.6 (32.5)

−71.6 (11.5)**

−68.7 (22.9)**

−7.1 (15.5)

−64.7 (28.6)**

LDL1-C

       

 Baseline

18.7 (6.3)

16.2 (5.6)

19.8 (7.0)

19.2 (7.7)

19.7 (9.2)

23.3 (10.2)

25.9 (9.9)

 Post-treatmentb

17.0 (6.9)

3.6 (2.8)

14.7 (9.2)

5.3 (3.5)

4.9 (4.9)

21.9 (10.8)

6.8 (6.2)

 % change from baseline

−7.5 (24.4)

−76.9 (20.8)**

−18.4 (59.4)

−72.5 (16.4)

−40.7 (201.0)

1.0 (39.1)

−68.9 (41.3)**

LDL2-C

       

 Baseline

22.3 (11.7)

20.3 (10.9)

29.4 (13.8)

24.5 (12.3)

27.6 (15.6)

30.7 (17.5)

31.5 (17.1)

 Post-treatmentb

17.8 (12.5)

3.0 (4.4)

21.5 (16.1)

4.5 (4.9)

5.5 (8.4)

27.5 (13.7)

7.8 (11.9)

 % change from baseline

2.9 (140.9)

−84.2 (26.2)*

−24.7 (48.5)

−83.7 (13.0)**

−83.4 (20.0)**

−2.6 (39.1)

−77.9 (26.1)**

LDL3-C

       

 Baseline

39.1 (15.2)

37.1 (13.5)

37.6 (14.8)

40.6 (14.0)

37.2 (16.4)

43.7 (13.2)

36.6 (12.5)

 Post-treatmentb

38.2 (12.2)

9.1 (6.6)

30.5 (13.2)

11.0 (6.3)

11.7 (10.1)

39.9 (12.0)

15.2 (12.8)

 % change from baseline

4.7 (31.6)

−74.8 (20.4)**

−5.5 (63.5)

−71.5 (18.0)**

−64.9 (29.7)**

−5.0 (25.9)

−58.1 (33.9)**

LDL4-C

       

 Baseline

10.4 (7.1)

12.1 (9.0)

8.3 (6.4)

12.7 (8.5)

11.6 (11.6)

12.7 (9.7)

9.7 (11.4)

 Post-treatmentb

14.2 (9.2)

5.8 (2.5)

9.2 (5.0)

7.0 (3.1)

7.5 (4.0)

11.2 (6.7)

7.1 (3.5)

 Absolute change from baseline

3.9 (8.5)

−6.2 (8.4)**

0.9 (4.7)

−5.7 (6.5)*

−4.1 (9.3)*

−1.4 (7.5)

−2.6 (9.7)*

 % change from baseline

84.7 (164.0)

−28.6 (56.4)*

106.2 (236.9)

−5.6 (133.5)

51.3 (352.1)

12.8 (67.4)

53.7 (156.8)

LDL1+2-C

       

 Baseline

40.9 (16.6)

36.5 (13.9)

49.1 (17.5)

43.6 (17.9)

47.2 (21.5)

54.0 (25.2)

57.4 (24.9)

 Post-treatmentb

34.8 (17.8)

6.6 (6.2)

36.2 (24.2)

9.8 (7.9)

10.4 (12.0)

49.4 (21.5)

14.7 (17.6)

 % change from baseline

−10.3 (41.2)

−81.0 (18.9)**

−22.6 (51.5)

−78.8 (13.1)

−22.4 (312.6)

−1.8 (28.9)

−74.2 (30.6)**

LDL3+4-C

       

 Baseline

49.5 (18.1)

49.2 (19.6)

45.9 (18.0)

53.2 (18.0)

48.8 (26.1)

56.4 (19.9)

46.3 (22.7)

 Post-treatmentb

52.4 (15.8)

14.9 (8.1)

39.7 (14.1)

18.0 (7.8)

19.2 (13.4)

51.1 (16.1)

22.3 (14.5)

 % change from baseline

15.0 (41.4)

−68.5 (18.0)**

−0.9 (57.9)

−64.1 (18.8)**

−55.2 (30.8)**

−4.5 (27.3)

−48.8 (31.2)**

  1. Values are mean (SD). Units are mg/dL. *p < 0.05; **p < 0.0001. aPatients in study 566 were randomised to one of three arms and received either (1) placebo with increase in ATV dose from 10 mg to 80 mg at start of randomised treatment period, (2) alirocumab plus ATV 10 mg, or (3) alirocumab with increase in ATV dose from 10 mg to 80 mg at start of randomised treatment period. bMeasurements occurred on Week 12 in Study 565, Week 8 in study 566 and Week 6 in study 1003. Q2W every 2 weeks, ATV atorvastatin, IDL intermediate-density lipoprotein, LDL-C low density lipoprotein cholesterol, LDLr “LDL real” [i.e. total LDL fraction minus Lp(a) and IDL], Lp(a) lipoprotein (a), SD, standard deviation