Research Article

COlchicine to Prevent PeriprocEdural Myocardial Injury in Percutaneous Coronary Intervention (COPE-PCI): Coronary Microvascular Physiology Pilot Substudy

Table 3

Combined pre-PCI, post-PCI, and change in invasive coronary physiological and laboratory measurements, by study drug randomization.

Colchicine (n = 24)Placebo (n = 26) value

Invasive coronary physiological measurements
 FFR
  Pre-PCI0.65 (0.47–0.79)0.72 (0.52–0.80)0.42
  Post-PCI0.88 (0.83–0.93)0.90 (0.81–0.93)0.79
  Change0.19 (0.09–0.38)0.13 (0.07–0.33)0.45
  Tmn rest
  Pre-PCI0.82 (0.57–1.55)1.19 (0.54–1.59)0.73
  Post-PCI0.89 (0.52–1.44)0.64 (0.39–1.09)0.16
  Change0.01 (−0.30–0.23)−0.31 (−0.80–0.01)0.03
 Tmn hyperaemia
  Pre-PCI0.38 (0.31–0.69)0.45 (0.20–0.78)0.87
  Post-PCI0.26 (0.14–0.45)0.26 (0.16–0.46)0.57
  Change−0.12 (−0.43–0.11)−0.12 (−0.43–0.04)0.84
 CFR
  Pre-PCI2.10 (1.40–2.70)1.95 (1.38–3.30)0.92‡
  Post-PCI3.25 (2.08–4.40)2.00 (1.48–3.30)0.03
  Change1.20 (−0.30–2.10)0.10 (−0.70–0.63)0.03
 BRI
  Pre-PCI54.40 (21.83–96.63)47.65 (26.63–106.00)0.79
  Post-PCI73.55 (44.05–122.67)54.37 (30.73–95.52)0.25
  Change15.86 (−1.53–40.29)−5.16 (−41.10–17.76)0.052
 IMR
  Pre-PCI21.30 (11.50–26.80)18.05 (9.95–32.28)0.97
  Post-PCI17.02 (10.40–31.43)19.92 (14.30–34.18)0.27
  Change0.91 (−6.88–12.37)4.90 (−11.34–11.66)0.58
 RRR
  Pre-PCI3.26 (1.86–4.15)2.75 (2.04–4.31)0.94
  Post-PCI4.25 (2.45–5.24)2.75 (1.67–3.44)<0.01
  Change1.05 (−0.91–2.64)−0.09 (−1.34–0.88)0.054
Laboratory results
 hs-troponin-I (ng/L)
  Pre-PCI9 (3–769)13 (3–93)0.88
  Post-PCI184 (60–643)259 (139–779)0.55
  Absolute change46 (1–154)152 (48–633)0.01
 WBC count
  Pre-PCI6.7 ± 1.37.7 ± 1.50.02
  Post-PCI7.6 ± 1.68.5 ± 1.70.06
  Change0.9 ± 1.60.8 ± 1.00.84
 Neutrophil count
  Pre-PCI4.0 ± 1.14.7 ± 1.30.06
  Post-PCI4.7 ± 1.15.6 ± 1.40.02
  Change0.6 ± 1.30.9 ± 1.00.48
 hsCRP (mg/L)
  Pre-PCI1.1 (0.5–5.7)1.1 (0.6–4.3)0.78
  Post-PCI1.0 (0.5–5.9)1.7 (0.8–2.7)0.97
  Change0.0 (−0.1–0.1)0.2 (0.0–0.4)0.21

Values are mean ± SD or median (LQ-UQ), denotes comparison between colchicine vs placebo group, † denotes independent-samples t-test, and ‡ denotes Mann–Whitney U test.