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. 2019 Dec 26;156(2):131–143. doi: 10.1001/jamadermatol.2019.3617

Table 2. Dupilumab Efficacy.

End Point Placebo (n = 83) Dupilumab, 300 mg
Every 8 wk (n = 84) Every 4 wk (n = 86) Weekly or Every 2 wk (n = 169)
Coprimary end points
Percent change in EASI score from SOLO baseline: difference between SOLO-CONTINUE baseline and week 36, LS mean (SE) −21.67 (3.13) −6.84 (2.43)a −3.84 (2.28)a −0.06 (1.74)a
Patients with EASI-75 at week 36 among patients with EASI-75 at SOLO-CONTINUE baseline, No./total No. (%) 24/79 (30.4) 45/82 (54.9)b 49/84 (58.3)a 116/162 (71.6)a
Key secondary end points
Among patients with IGA score of 0 or 1 at SOLO-CONTINUE baseline, No./total No. (%)
Patients with IGA score maintained within 1 point of baseline at week 36 18/63 (28.6) 32/64 (50.0)c 41/66 (62.1)a 89/126 (70.6)a
Patients with IGA score of 0 or 1 at week 36 9/63 (14.3) 21/64 (32.8)c 29/66 (43.9)a 68/126 (54.0)a
Patients with increase of ≥3 in Peak Pruritus NRS score from SOLO-CONTINUE baseline to week 35 among patients with SOLO-CONTINUE baseline score ≤7, No./total No. (%) 56/80 (70.0) 45/81 (55.6) 41/83 (49.4)c 57/168 (33.9)a
Other secondary end pointsd
Percent change in EASI scores from SOLO-CONTINUE baseline, LS mean (SE) −6.61 (0.80) −1.75 (0.74)a −1.37 (0.74)a −0.09 (0.51)a
Patients with EASI-50 at week 36 among patients with EASI-50 at SOLO-CONTINUE baseline, No./total No. (%) 33/83 (39.8) 46/84 (54.8) 52/86 (60.5)c 124/169 (73.4)a
Percent change in Peak Pruritus NRS score from SOLO baseline: difference between SOLO-CONTINUE baseline and week 35, LS mean (SE) −35.6 (4.3) −16.7 (4.1)a −8.6 (4.0)a 0.1 (3.1)a
Time to first event of IGA score ≥2 among patients with IGA score of 0 or 1 at SOLO-CONTINUE baseline
No. of patients with an event 60 52 50 85
No. of patients censored 3 12 16 41
No. of days
Mean (SD) 76.0 (62.02) 112.2 (85.98) 105.0 (89.14) 139.7 (99.95)
Median (95% CI) 57 (56-58) 85 (59-113) 80 (55-85) 114 (85-169)
Hazard ratio vs placebo (95% CI) NA 0.63 (0.43 to 0.92) 0.71 (0.49 to 1.05) 0.45 (0.32 to 0.64)
Patients with IGA scores increased to 3 or 4 at week 36 among patients with IGA score of 0 or 1 at SOLO-CONTINUE baseline, No./total No. (%) 42/63 (66.7) 31/64 (48.4)e 23/66 (34.8)a 33/126 (26.2)a
Percent change in SCORAD from SOLO baseline: difference between SOLO-CONTINUE baseline and week 36, LS mean (SE) −28.97 (3.68) −10.42 (2.99)a −2.21 (2.74)a −0.33 (2.09)a
Percent BSA affected: change from SOLO-CONTINUE baseline, LS mean (SE) −9.16 (1.64) −2.74 (1.53)f −1.74 (1.46)a 1.27 (1.04)a
Change from SOLO-CONTINUE baseline, LS mean (SE)
POEM −7.0 (0.90) −2.8 (0.78)a −0.8 (0.73)a 0.3 (0.56)a
DLQI −3.1 (0.52) −1.5 (0.46)c −0.3 (0.48)a 0.2 (0.33)a
HADS −0.8 (0.60) −0.7 (0.52) −0.2 (0.54) 0.8 (0.39)c
Annualized event rate of flares from SOLO-CONTINUE baseline through week 36g,h
Total No. of flares 62 46 38 36
Total patient-years followed 54.7 56.9 58.2 112.1
Adjusted annualized rate (95% CI) 0.75 (0.47-1.21) 0.59 (0.36-0.96) 0.44 (0.26-0.73) 0.21 (0.13-0.35)
Relative risk vs placebo (95% CI) NA 0.78 (0.45 to 1.36) 0.58 (0.33 to 1.03) 0.28 (0.17 to 0.49)a
Well-controlled weeks before rescue medication use, mean (SD), %i 40.9 (30.35) 53.2 (32.95) 53.3 (35.86) 63.0 (32.36)
Annualized event rate of skin infection treatment-emergent adverse events (excluding herpetic infections) through week 36
Total No. of events 10 7 1 4
Total patient-years of follow up 54.7 56.9 58.2 112.1
Adjusted annualized rate (95% CI) 0.12 (0.04-0.33) 0.09 (0.03-0.25) 0.01 (0.001-0.097) 0.02 (0.007-0.083)
Relative risk vs placebo (95% CI) NA 0.71 (0.23-2.23) 0.10 (0.01-0.83)c 0.20 (0.06-0.72)c
Post hoc end pointsd
Percent change in EASI score from SOLO baseline to SOLO-CONTINUE week 36, subgroups by original dose regimen in SOLO, LS mean (SE)
Originally taking dupilumab, 300 mg, every 2 wk
No. 39 39 41 80
LS mean (SE), % −72.73 (5.68) −82.80 (4.12) −85.35 (4.08) −90.75 (2.96)j
Originally taking dupilumab, 300 mg, weekly
No. 44 45 45 89
LS mean (SE), % −69.32 (3.38) −87.04 (3.24)a −88.70 (3.00)a −91.88 (2.13)a
Percent change in EASI score from SOLO baseline to SOLO-CONTINUE week 36, subgroups by SOLO-CONTINUE baseline IGA and EASI, LS mean (SE)
Subgroup with IGA score >1 at week 36, among patients with IGA score of 0 or 1 at SOLO-CONTINUE baseline
No. 53 36 32 50
LS mean (SE), % −63.7 (8.08) −76.1 (9.14) −76.3 (8.12) −79.7 (7.60)c
Subgroup with <75% improvement in EASI score from SOLO baseline at week 36, among patients with EASI-75 at baseline
No. 34 14 19 17
LS mean (SE), % −43.9 (4.81) −47.4 (6.96) −57.8 (6.39)c −58.6 (6.68)c
Patients who achieved EASI-90 at week 36 among patients with EASI-90 at SOLO-CONTINUE baseline, No./total No. (%) 10/55 (18.2) 16/49 (32.7) 33/56 (58.9)a 75/116 (64.7)a
Percent change in Peak Pruritus NRS score from SOLO baseline to SOLO-CONTINUE week 35, subgroups by original dose regimen in SOLO (weekly or every 2 wk), LS mean (SE)
Originally taking dupilumab, 300 mg, every 2 wk
No. 39 39 41 80
LS mean (SE), % −27.05 (7.57) −50.93 (6.41)c −51.61 (6.31)k −60.91 (4.75)a
Originally taking dupilumab, 300 mg, weekly
No. 44 45 45 89
LS mean (SE), % −33.32 (7.29) −38.68 (6.97) −50.64 (7.14) −59.59 (5.35)a
Patients with improvement in Peak Pruritus NRS score from SOLO baseline to SOLO-CONTINUE week 35, No./total No. (%)
≥4 Pointsl 10/78 (12.8) 21/79 (26.6)c 27/82 (32.9)m 78/159 (49.1)a
≥3 Pointsn 15/82 (18.3) 28/82 (34.1)c 34/84 (40.5)j 95/166 (57.2)a
Patients who reported no sleep disturbance in the past 7 d at week 36 (POEM item 2), No. (%) 18 (21.7) 30 (35.7) 41 (47.7)a 103 (60.9)a
SCORAD Sleep Loss (scale, 0-10): change from SOLO baseline to SOLO-CONTINUE week 36, LS mean (SE) −2.7 (0.3) −3.3 (0.3) −4.2 (0.2)a −4.3 (0.2)a
Patients who reported no pain or discomfort, EQ-5D item, at week 36 among patients who reported moderate or severe pain or discomfort at SOLO baseline, No./total No. (%) 13/63 (20.6) 25/64 (39.1)c 30/72 (41.7)c 78/138 (56.5)a

Abbreviations: DLQI, Dermatology Life Quality Index; EASI, Eczema Area and Severity Index; EASI-50, proportion of patients with 50% or greater improvement in EASI from SOLO baseline; EASI-75, proportion of patients with 75% or greater improvement in EASI from SOLO baseline; EASI-90, proportion of patients with 90% or greater improvement in EASI from SOLO baseline; EQ-5D, EuroQol 5-Dimensional Scale; HADS, Hospital Anxiety and Depression Score; IGA, Investigator’s Global Assessment; SOLO-CONTINUE, Study to Confirm the Efficacy and Safety of Different Dupilumab Dose Regimens in Adults With Atopic Dermatitis; LS, least squares; NA, not applicable; NRS, Numerical Rating Scale; POEM, Patient-Oriented Eczema Measure; SCORAD, Scoring Atopic Dermatitis.

a

P < .001 vs placebo.

b

P = .004 vs placebo.

c

P < .05 vs placebo.

d

P values are nominal for all endpoints other than coprimary or key secondary.

e

P = .009 vs placebo.

f

P = .002 vs placebo.

g

Safety analysis set: placebo, n = 82; dupilumab every 8 weeks, n = 84; dupilumab every 4 weeks, n = 87; dupilumab weekly or every 2 weeks, n = 167.

h

Flares were defined as worsening of disease requiring initiation or escalation of rescue treatment.

i

Defined as the proportion of patients who responded “yes” to the question: “Has your eczema been well-controlled over the last week?” and for whom no rescue treatment was administered during that week.

j

P ≤ .003 vs placebo.

k

P = .006 vs placebo.

l

Patients with Peak Pruritus NRS scores of 4 or greater at SOLO baseline.

m

P = .005 vs placebo.

n

Patients with Peak Pruritus NRS scores of 3 or greater at SOLO baseline.