Cardiology Research, ISSN 1923-2829 print, 1923-2837 online, Open Access
Article copyright, the authors; Journal compilation copyright, Cardiol Res and Elmer Press Inc
Journal website http://www.cardiologyres.org

Original Article

Volume 9, Number 6, December 2018, pages 364-369


Pharmacokinetic Study of Sirolimus-Eluting BioResorbable Vascular Scaffold System for Treatment of De Novo Native Coronary Lesions: A Sub-Study of MeRes-1 Trial

Figure

Figure 1.
Figure 1. Pharmacokinetic profiles (concentration versus time profile) of sirolimus over 90 days after implantation of sirolimus-eluting MeRes100 BRS.

Tables

Table 1. Baseline Demographics and Clinical Presentation
 
LVEF: left ventricular ejection fraction.
Patient characteristicN = 10 Subjects
Age (mean ± SD) , years49.07 ± 8.95
Gender, n (%)
  Male7 (70%)
  Female3 (30%)
BMI (mean ± SD)25.05 ± 3.91
Smokers, n (%)2 (20%)
Diabetes mellitus, n (%)4 (40%)
Hypertension, n (%)3 (30%)
Other illness, n (%)1 (10%)
Previous myocardial infarction, n (%)3 (30%)
Clinical presentation, n (%)
  Stable angina5 (50%)
  Unstable angina5 (50%)
LVEF, (mean ± SD)59.5 ± 3.02
Diseased vessel, n (%)
  Single vessel7 (70%)
  Double vessel3 (30%)
Total number of lesions13
Total number of treatable lesions12
Lesion per patient1.2

 

Table 2. Corresponding Loading Dose of Sirolimus Received by Each Patient
 
Size of MeRes100 BRS (diameter × length, mm)Loading dose ±10% (µg)Subject ID
Subject ID 5 and 22 were received two BRS.
3.5 × 192471, 2
3.0 × 242383, 7, 18, 20
3.0 × 24, 2.75 × 24238, 229 (467)5
3.0 × 19, 2.75 × 19189, 184 (373)22
3.5 × 2430619, 21

 

Table 3. Individual and Mean Pharmacokinetic Parameters of Sirolimus
 
ID no.No. of stentsTmax (h)Cmax (ng/mL)t1/2 (h)AUC0-t (h·ng/mL)AUC0-∞ (h·ng/mL)AUC_%Extrap_obs (%)Kel (h-1)CL (L/h)Vd (L)
Tmax: time to reach peak concentration; Cmax: peak concentration; t1/2: half-life; AUC: area under the concentration time curve; kel: elimination rate constant; CL: clearance; Vd: volume of distribution.
111.007.38119.16433.91494.1412.190.0060.5085.93
211.004.3074.63343.33363.015.420.0090.6873.26
313.005.4687.59292.79317.997.920.0080.7594.58
711.004.9876.31243.48258.325.750.0090.92101.44
1811.009.5877.04402.37419.774.140.0090.5763.02
1911.0010.20185.34777.05814.174.560.0040.38100.50
2010.509.4879.98325.95341.704.610.0090.7080.37
2113.003.8885.92334.82356.636.120.0080.86106.35
520.508.72104.08622.30691.8610.050.0070.67101.35
2223.0010.7195.84588.54635.757.430.0070.5981.12
1 BRS
  Mean1.4386.90698.247394.214420.7176.3390.00770.66888.181
  SD0.97972.580638.0034165.6125173.53442.64390.001940.18215.215
  SEM0.34640.912213.436758.552561.35430.93510.00060.06395.3792
  N888888888
2 BRS
  Mean1.7509.71599.959605.419663.8058.7400.00690.63191.237
  SD1.76781.40725.826923.867539.67251.85860.000400.06214.306
  SEM1.25000.99504.120016.880028.05501.31000.00000.040010.1150
  N222222222
All patients
  Mean1.5007.46898.589436.455469.3346.8190.00750.66188.792
  SD1.05412.608233.5798171.2486184.66812.61650.001750.162514.2984
  SEM0.33330.824510.618954.153658.39720.82740.00060.05144.5216
  N101010101010101010