Research Article

Polyethylene Glycol 3350 in the Treatment of Chronic Idiopathic Constipation: Post hoc Analysis Using FDA Endpoints

Table 2

Change in BM-related symptoms per week over the 24-week study period.

BM-related symptomMean (SD) weekly change from baselineP value
PEG 3350 (N = 204)Placebo (N = 100)

Hard/lumpy–2.1 (3.06)–0.9 (2.49)0.0014
Straining–1.4 (3.63)–0.8 (2.38)0.0799
Cramping–0.3 (0.62)–0.1 (0.59)0.0272
Gas–0.1 (0.78)–0.1 (0.62)0.5949

Abbreviations: BM, bowel movement; PEG, polyethylene glycol; SD, standard deviation. †Mean change in the number of BMs/week with symptom. ‡Mean change in subject-assessed symptom score (0–4 scale).