Research Article

A Multicenter, Double-Blind, Randomized, Placebo-Controlled Trial to Evaluate the Efficacy and Safety of Duliang Soft Capsule in Patients with Chronic Daily Headache

Table 1

Baseline characteristics of patients receiving Duliang soft capsules (DSC) and placebo (intent-to-treat population).

CharacteristicsDSC ()Placebo () values

Age (years)43.64 ± 11.3844.56 ± 11.360.46
Height (cm)162.12 ± 7.17163.93 ± 7.110.05
Weight (kg)60.61 ± 11.0662.05 ± 150.28
Body temperature (°C)36.57 ± 0.2736.61 ± 0.270.18
Pulsation (bpm)72.78 ± 7.4774.17 ± 8.430.10
Systolic blood pressure (mmHg)120.75 ± 10.32120.46 ± 11.80.81
Diastolic blood pressure (mmHg)76.43 ± 7.6274.98 ± 9.050.10
Breathing (bpm)18.44 ± 1.518.39 ± 1.40.74
BMI (kg/m2)23.03 ± 3.7423 ± 5.070.95
VAS score, (%)
 Mild (0–3)75 (22.19%)33 (29.73%)0.69
 Moderate (4–6)146 (43.2%)37 (33.33%)0.08
 Severe (7–10)117 (34.62%)41 (36.94%)0.76
Site of headache, (%)
 Unilateral102 (30.18%)40 (36.04%) 0.06
 Bilateral195 (57.69%)59 (53.15%)0.19
 Others41 (12.13%)12 (10.81%)0.45
Use of analgesic, (%)0.34
 Yes333 (98.52%)111 (100%)
 No5 (1.48%)0 (0)
Headache duration per day, (%)0.88
 ≥4 h235 (69.53%)78 (70.27%)
 <4 h103 (30.47%)33 (29.73%)
Headache type at screening
  Migraine72 (21.30%)23 (20.72%)0.79
  Tension-type headache84 (24.85%)29 (26.13%)0.60
  Both migraine and TTH149 (44.08%)48 (43.24%)0.75
  Others 33 (9.76%)11 (9.91%)0.93