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-PCI
0.65 (0.47–0.79)
0.72 (0.52–0.80)
0.42‡
Post-PCI
0.88 (0.83–0.93)
0.90 (0.81–0.93)
0.79‡
Change
0.19 (0.09–0.38)
0.13 (0.07–0.33)
0.45‡
Tmn rest
Pre-PCI
0.82 (0.57–1.55)
1.19 (0.54–1.59)
0.73‡
Post-PCI
0.89 (0.52–1.44)
0.64 (0.39–1.09)
0.16‡
Change
0.01 (−0.30–0.23)
−0.31 (−0.80–0.01)
0.03‡
Tmn hyperaemia
Pre-PCI
0.38 (0.31–0.69)
0.45 (0.20–0.78)
0.87‡
Post-PCI
0.26 (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-PCI
2.10 (1.40–2.70)
1.95 (1.38–3.30)
0.92‡
Post-PCI
3.25 (2.08–4.40)
2.00 (1.48–3.30)
0.03‡
Change
1.20 (−0.30–2.10)
0.10 (−0.70–0.63)
0.03‡
BRI
Pre-PCI
54.40 (21.83–96.63)
47.65 (26.63–106.00)
0.79‡
Post-PCI
73.55 (44.05–122.67)
54.37 (30.73–95.52)
0.25‡
Change
15.86 (−1.53–40.29)
−5.16 (−41.10–17.76)
0.052‡
IMR
Pre-PCI
21.30 (11.50–26.80)
18.05 (9.95–32.28)
0.97‡
Post-PCI
17.02 (10.40–31.43)
19.92 (14.30–34.18)
0.27‡
Change
0.91 (−6.88–12.37)
4.90 (−11.34–11.66)
0.58‡
RRR
Pre-PCI
3.26 (1.86–4.15)
2.75 (2.04–4.31)
0.94‡
Post-PCI
4.25 (2.45–5.24)
2.75 (1.67–3.44)
<0.01‡
Change
1.05 (−0.91–2.64)
−0.09 (−1.34–0.88)
0.054‡
Laboratory results
hs-troponin-I (ng/L)
Pre-PCI
9 (3–769)
13 (3–93)
0.88‡
Post-PCI
184 (60–643)
259 (139–779)
0.55‡
Absolute change
46 (1–154)
152 (48–633)
0.01‡
WBC count
Pre-PCI
6.7 ± 1.3
7.7 ± 1.5
0.02†
Post-PCI
7.6 ± 1.6
8.5 ± 1.7
0.06†
Change
0.9 ± 1.6
0.8 ± 1.0
0.84†
Neutrophil count
Pre-PCI
4.0 ± 1.1
4.7 ± 1.3
0.06†
Post-PCI
4.7 ± 1.1
5.6 ± 1.4
0.02†
Change
0.6 ± 1.3
0.9 ± 1.0
0.48†
hsCRP (mg/L)
Pre-PCI
1.1 (0.5–5.7)
1.1 (0.6–4.3)
0.78‡
Post-PCI
1.0 (0.5–5.9)
1.7 (0.8–2.7)
0.97‡
Change
0.0 (−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.