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. 2023 Jun 20;30(8):839–848. doi: 10.1097/GME.0000000000002209

TABLE 2.

Summary of sleep diary endpoints in female participants 40-58 years of age

Placebo
(n = 90)
LEM5
(n = 82)
LEM10
(n = 108)
sSOL, min n Median (1st and 3rd quartiles) n Median (1st and 3rd quartiles) n Median (1st and 3rd quartiles)
Baseline 90 57.5 (35.7, 79.6) 82 51.1 (31.4, 73.6) 105 54.0 (37.9, 80.8)
Week 1 89 49.3 (28.8, 74.5) 80 33.3 (20.4, 59.9) 107 37.9 (22.9, 61.6)
 Change from baseline at week 1 89 −5.7 (−21.4, 4.1) 80 −11.1 (−26.4, 0.0) 104 −12.9 (−30.0, −0.6)
Month 3 82 29.5 (15.7, 57.0) 67 20.7 (14.3, 40.0) 92 24.1 (13.6, 39.8)
 Change from baseline at month 3 82 −17.6 (−32.1, −3.0) 67 −18.6 (−41.6, −6.7) 90 −29.3 (−49.9, −13.3)
Month 6 71 24.3 (14.0, 51.4) 63 20.7 (11.7, 33.6) 77 20.0 (10.0, 32.1)
 Change from baseline at month 6 71 −17.9 (−40.0, −2.9) 63 −20.7 (−39.1, −10.3) 76 −30.4 (−55.0, −17.6)
 LSGM treatment ratio: LEM/PBO (95% CI) 0.87 (0.65 to 1.16) 0.74 (0.57 to 0.97)
  P 0.3464 0.0310
Month 9 57 20.0 (10.0, 34.2) 73 19.2 (10.0, 40.7)
 Change from baseline at month 6 57 −23.6 (−46.4, −10.7) 72 −32.8 (−52.8, −21.2)
Month 12 49 19.2 (10.7, 29.4) 73 15.8 (10.0, 34.3)
 Change from baseline at month 6 49 −27.7 (−46.4, −13.3) 72 −33.9 (−55.7, −19.7)
sSE, % n Mean (SD) n Mean (SD) n Mean (SD)
Baseline 88 59.9 (16.7) 80 60.7 (20.0) 102 61.2 (17.5)
Week 1 85 63.4 (18.0) 79 67.9 (20.3) 105 68.8 (17.8)
 Change from baseline at week 1 85 3.0 (11.8) 78 6.9 (10.5) 101 7.4 (10.3)
Month 3 80 74.0 (16.7) 65 77.9 (16.0) 91 75.1 (17.4)
 Change from baseline at month 3 79 13.0 (14.3) 65 15.1 (15.8) 86 14.3 (13.5)
Month 6 71 72.8 (19.3) 63 78.3 (16.3) 77 78.0 (17.8)
 Change from baseline at month 6 70 12.5 (15.0) 62 15.9 (17.0) 73 17.2 (14.7)
 LSM treatment difference: LEM-PBO (95% CI) 2.19 (−2.36 to 6.74) 3.28 (−1.11 to 7.67)
  P 0.3463 0.1428
Month 9 57 78.6 (17.7) 73 78.9 (16.9)
 Change from baseline at month 6 56 16.1 (19.5) 69 17.9 (15.6)
Month 12 49 82.1 (11.2) 73 79.8 (16.7)
 Change from baseline at month 6 49 17.6 (18.2) 69 19.1 (14.8)
sWASO, min n Mean (SD) n Mean (SD) n Mean (SD)
Baseline 90 134.9 (70.8) 82 142.4 (86.5) 105 136.5 (84.4)
Week 1 89 135.5 (90.2) 80 120.7 (90.1) 107 117.7 (82.8)
 Change from baseline at week 1 89 0.7 (56.3) 80 −21.4 (43.7) 104 −17.9 (44.5)
Month 3 82 97.2 (83.4) 67 87.5 (80.6) 92 96.9 (86.9)
 Change from baseline at month 3 82 −37.3 (60.3) 67 −49.7 (67.7) 90 −38.6 (66.0)
Month 6 71 95.0 (74.8) 63 83.8 (73.4) 77 83.1 (79.7)
 Change from baseline at month 6 71 −37.0 (59.6) 63 −50.1 (74.5) 76 −54.5 (65.4)
 LSM treatment difference: LEM-PBO (95% CI) −12.43 (−31.95 to 7.09) −9.94 (−28.18 to 8.30)
  P 0.2119 0.2853
Month 9 57 79.7 (78.9) 73 77.3 (73.9)
 Change from baseline at month 6 57 −54.7 (86.9) 72 −59.5 (74.6)
Month 12 49 65.8 (52.5) 73 73.9 (69.7)
 Change from baseline at month 6 49 −59.1 (76.7) 72 −66.2 (64.9)
sTST, min n Mean (SD) n Mean (SD) n Mean (SD)
Baseline 88 294.9 (83.9) 80 300.6 (101.5) 102 302.6 (90.5)
Week 1 85 316.5 (89.8) 79 338.9 (103.2) 105 343.8 (92.8)
 Change from baseline at week 1 85 19.2 (60.4) 78 35.9 (53.0) 101 40.0 (55.1)
Month 3 80 369.0 (94.8) 65 386.7 (85.2) 91 374.8 (93.9)
 Change from baseline at month 3 79 68.9 (88.7) 65 76.2 (80.2) 86 74.3 (72.8)
Month 6 71 354.0 (97.5) 63 389.6 (83.4) 77 391.0 (97.5)
 Change from baseline at month 6 70 59.9 (80.4) 62 80.6 (87.9) 73 90.6 (80.1)
 LSM treatment difference: LEM-PBO (95% CI) 11.23 (−14.42 to 36.87) 24.07 (−0.33 to 48.47)
  P 0.3892 0.0531
Month 9 57 384.2 (92.3) 73 389.8 (88.8)
 Change from baseline at month 6 56 73.9 (98.5) 69 86.3 (79.0)
Month 12 49 398.8 (58.2) 73 391.5 (90.5)
 Change from baseline at month 6 49 78.1 (93.6) 69 91.6 (77.3)

CI, confidence interval; LEM5, lemborexant 5 mg; LEM10, lemborexant 10 mg; LSGM, least squares geometric mean; LSM, least squares mean; PBO, placebo, sSE, subjective sleep efficiency; sSOL, subjective sleep-onset latency; sTST, subjective total sleep time; sWASO, subjective wake after sleep onset.