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. 2019 Jan 9;11:561–571. doi: 10.2147/CMAR.S180261

Table 1.

RCTs reporting incidence of recurrent colorectal adenomas

Reference year Study name Design Treatment duration (years) Follow-up colonoscopy Subjects Study group (n originally randomized) Efficacy outcomes (n/N) Safety outcomes (n/N) High CV risk, n (%)a
Advanced adenomas Any adenomas CRC Mortality (any causes) Serious adverse events Renal-hypertensive disorders Serious CV eventsa
Arber et al, 200623 PreSAP Multicenter, double-blind, placebo-controlled, RCT, parallel two-arm 3 At year 1, year 3, or both Median age 61; 66% males Celecoxib 400 mg once daily (n=933) 42/840 270/840 6/933 11/933 186/933 193/933 23/933 575 (37)
Placebo (n=628) 56/557 264/557 1/628 7/628 106/628 96/628 12/628
Bertagnolli et al, 200624 APC Multicenter, double-blind, placebo-controlled, RCT, parallel three-arm 3 At year 1, year 3, or both Median age 59; 68% males Celecoxib 200 mg twice daily (n=685) 44/613 252/613 0/685 8/685 139/685 164/685 20/685 962 (47)
Celecoxib 400 mg twice daily (n=671) 35/601 213/601 4/671 10/671 154/671 141/671 27/671
Placebo (n=679) 99/608 354/608 3/679 6/679 127/679 130/679 8/679
Thompson et al, 201641 Sel/Cel Multicenter, double-blind, placebo-controlled, RCT, 2×2 factorial 1b Within 1 year of discontinuing interventionc Mean age 63; 68% males Celecoxib 400 mg once daily (n=414) 3/119d 34/123 NA NA 104/414 55/414 35/414 418 (51)
Placebo (n=410) 12/119d 50/121 NA NA 93/410 43/410 38/410

Notes:

a

Adjudicated data from Solomon et al.;19

b

Study reported the median time for taking placebo and intervention, respectively, was 13.6 and 14.2 months;

c

Efficacy outcomes at different time intervals were reported after discontinuing intervention; as per our protocol, we have used data from subjects undergoing colonoscopy within 1 year of discontinuing intervention;

d

Advanced status uncertain for six participants. n= number of events; N= number of participants.

Abbreviations: APC, Adenoma Prevention with Celecoxib trial; CRC, colorectal cancer; CV, cardiovascular; PreSAP, Prevention of Colorectal Sporadic Adenomatous Polyps Study; RCT, randomized controlled trial; Sel/Cel, Selenium and Celecoxib (Sel/Cel) Trial; NA, not available.