Summary
Nine healthy adults were administered indocyanine green (ICG) 0.5 mg·kg−1 IV alone and after the administration of the following oral drugs: nifedipine 10 mg, propranolol 80 mg, propranolol 80 mg and nifedipine 10 mg, and propranolol 80 mg after nifedipine 10 mg every 8 h for 5 days. Heart rate and mean arterial blood pressure (MAP) were also determined.
Nifedipine increased ICG clearance by 14% and decreased t1/2 by 26%. Propranolol decreased ICG clearance by 21% and increased t1/2 42%. Nifedipine and propranolol given together increased ICG clearance 63% and decreased t1/2 by 19%. All changes were statistically significant. Propranolol given after multiple doses of nifedipine did not change ICG kinetic parameters. Propranolol Cmax, tmax, oral clearance, and t1/2 did not change after nifedipine therapy. However, partial propranolol AUC values between 0–0.33, 0–0.5, 0–1.0 and 0–1.5 h were significantly larger after single and multiple doses of nifedipine indicating higher propranolol concentrations during the absorption phase.
Heart rate and MAP did not change after nifedipine treatment. Similar declines in heart rate and MAP occurred after propranolol alone and propranolol after single and multiple doses of nifedipine.
Similar content being viewed by others
References
McCourty JC, Silas JH, Tucker GT, Lennard MS (1988) The effect of combined therapy on the pharmacokinetics and pharmacodynamics of verapamil and propranolol in patients with angina pectoris. Br J Clin Pharmacol 25: 349–357
Pieper JA, McGaw PJ, Rutledge DR, Mirvis DM (1987) Pharmacokinetic interaction between verapamil and propranolol (Abstract). Drug Intell Clin Pharm 21: 16A
Bauer LA, Stenwall M, Horn JR, Davis R, Opheim K, Greene L (1986) Changes in antipyrine and indocyanine green kinetics during nifedipine, verapamil and diltiazem therapy. Clin Pharmacol Ther 40: 239–242
Nafziger AN, May JJ, Bertino JS (1987) Inhibition of theophylline elimination by diltiazem therapy. J Clin Pharmacol 27: 862–865
Wilkinson GR, Shand DG (1975) A physiological approach to hepatic drug clearance. Clin Pharmacol Ther 18: 377–390
Hamann SR, McAllister RG (1983) Measurement of nifedipine in plasma by gas-liquid chromatography and electroncapture detection. Clin Chem 29: 158–160
El-Yazigi A, Martin CR (1985) Determination of propranolol in plasma by radial compression liquid chromatography with fluorometric detection. Clin Chem 31: 1196–1197
Statistical Consultants, Inc. (1986) PCNONLIN and NONLIN84; software for the statistical analysis of nonlinear models. Am Statist 40: 52–59
Gibaldi M, Perrier D (1982) Pharmacokinetics, 2nd edn. Marcel Dekker, New York, NY, USA
Anon (1988) The coadministration of propranolol and verapamil increases the concentrations of both drugs. Wellcome Trends Hosp Pharm 10: 11–12
Feely J (1984) Nifedipine increases and glyceryl trinitrate decreases apparent liver blood flow in normal subjects. Br J Clin Pharmacol 17: 83–85
Weiss YA, Safar ME, Lehner JP, Levenson JA, Simon A, Alexandre JM (1978) (+)-Propranolol clearance-an estimation of hepatic blood flow in man. Br J Clin Pharmacol 5: 457–460
Levine MAH, Ogilvie RI, Leenen FHH (1988) Pharmacokinetic and pharmacodynamic interactions between nisoldipine and propranolol. Clin Pharmacol Ther 43: 39–48
Pieper JA (1984) Serum protein binding interactions between propranolol and calcium channel blockers (Abstract). Drug Intell Clin Pharm 18: 492
Gutierrez LM, Lesko LJ, Whipps R, Carliner N, Fisher M (1986) Pharmacokinetics and pharmacodynamics of nifedipine in patients at steady-state. J Clin Pharmacol 26: 587–592
McAllister RG (1986) Kinetics and dynamics of nifedipine after oral and sublingual doses. Am J Med 81 [Suppl 6A]: 2–5
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Bauer, L.A., Murray, K., Horn, J.R. et al. Influence of nifedipine therapy on indocyanine green and oral propranolol pharmacokinetics. Eur J Clin Pharmacol 37, 257–260 (1989). https://doi.org/10.1007/BF00679780
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF00679780