Clinical Study

Treatment with α-Lipoic Acid over 16 Weeks in Type 2 Diabetic Patients with Symptomatic Polyneuropathy Who Responded to Initial 4-Week High-Dose Loading

Table 3

Percentages (95% CI) of patients with reduced sensation to monofilament and vibration and decreased/absent ankle reflex at 4 weeks and study end (Phase 2).

-Lipoic acid treatment-Lipoic acid withdrawal value
% (95% CI)% (95% CI)

Monofilament
 Randomization62.5% (39.1–82.2)58.8% (36.4–78.8)
 Study end68.8% (45.2–86.8)64.7% (42.0–83.4)
value
VPT hallux right
 Randomization18.8% (5.3–41.7)52.9% (31.1–74.0)
 Study end18.8% (5.3–41.7)35.3% (16.6–58.0)
value
VPT hallux left
 Randomization31.3% (13.2–54.8)47.1% (26.0–68.9)
 Study end25.0% (9.0–48.4)35.3% (16.6–58.0)
value
Ankle reflex right
 Randomization43.8% (22.7–66.7)52.9% (31.1–74.0)
 Study end25.0% (9.0–48.4)52.9% (31.1–74.0)
value
Ankle reflex left
 Randomization62.5% (39.1–82.2)58.8% (36.4–78.8)
 Study end37.5% (17.8–60.9)41.2 (21.2–63.6)
value

VPT: vibration perception threshold.