Table 1: Baseline characteristics of studied subjects.

Group 1 placebo 𝑛 = 2 0 Group 2 Praziquantel 𝑛 = 2 5 𝑃 value

Gender 𝑛
 Male 𝑛 (%)10 (50)8 (32)>0.05
 Female 𝑛 (%)10 (50)17 (68)
Age group 𝑛 (%)
 Child/teenagers (6–20 years old) 12 (65) 18 (72) >0.05
 Adult (21–50 years old) 8 (35) 7 (28) >0.05
Rhinitis 𝑛 (%)10 (50) 18 (72) >0.05
Smoking 𝑛 (%)
 Active 6 (30) 7 (28) >0.05
 Passive 18 (90) 9 (36) <0.005
Positive SPT response 𝑛 (%)
Dermatophagoides pteronyssinus 2 (10) 5 (20) >0.05
D. farinae 2 (10) 5 (20)>0.05
Blomia tropicalis 4 (20) 7 (28) >0.05
Periplaneta americana 1 (5) 3 (12) >0.05
Blatella germanica 2 (10) 3 (12) >0.05
 Positive total9 (45) 9 (36) >0.05
Current helminth infections 𝑛 (%)
Schistosoma mansoni 16 (80)19 (76)>0.05
Ascaris lumbricoides 10 (50)14 (56)>0.05
 Hookworm7 (35)10 (40)>0.05
Trichuris trichiura 10 (50)13 (52)>0.05
 Coinfection (S. mansoni /1 or + helminths)14 (90)19 (100)>0.05