» Articles » PMID: 11136300

Decreased Dromotropic Response to Verapamil Despite Pronounced Increased Drug Concentration in Rheumatoid Arthritis

Overview
Specialty Pharmacology
Date 2001 Jan 3
PMID 11136300
Citations 30
Authors
Affiliations
Soon will be listed here.
Abstract

Aims: Inflammation reduces hepatic clearance of many drugs with unknown therapeutic consequences. This study was carried out to examine the effect of rheumatoid arthritis (RA) on the pharmacokinetics and pharmacodynamics of verapamil.

Methods: Eight RA patients were age- and sex-matched with eight healthy volunteers. The disease severity was assessed, and ECG, blood pressure and verapamil enantiomers concentrations were measured for 12 h post 80 mg oral verapamil. Serum interleukin-6 (IL-6) and nitrite (NO2-) were measured in predose samples.

Results: IL-6 and NO2- concentrations were significantly increased in parallel with disease severity. Oral clearance of both S- and R-verapamil was significantly decreased by RA. While the unbound fraction of S- and R-verapamil decreased by 5 and 7-fold, respectively, the unbound AUC remained unchanged for the more potent enantiomer, S-verapamil. AUC of norverapamil enantiomers was increased 2-3-fold. Despite elevated serum drug concentrations in RA, the potential to prolong the PR-interval was significantly reduced by one fold and the effect on the heart rate and blood pressure did not increase.

Conclusions: RA results in increased verapamil concentrations due likely to changes in protein binding, decreased clearance and/or altered hepatic blood flow. A significant decrease in dromotropic effect, despite increased serum drug concentrations, may be attributed to receptor down regulation caused by pro-inflammatory cytokines and/or NO.

Citing Articles

Evaluation of the Effect of Risankizumab on the Pharmacokinetics of Cytochrome P450 Substrates in Patients with Moderately to Severely Active Ulcerative Colitis or Crohn's Disease.

DCunha R, Azam T, Kalabic J, Anschutz T, Lahat A, Pang Y Clin Pharmacokinet. 2024; 64(1):143-154.

PMID: 39707077 PMC: 11762434. DOI: 10.1007/s40262-024-01462-4.


Applications of the Cholesterol Metabolite, 4β-Hydroxycholesterol, as a Sensitive Endogenous Biomarker for Hepatic CYP3A Activity Evaluated within a PBPK Framework.

Karkhanis A, Harwood M, Stader F, Bois F, Neuhoff S Pharmaceutics. 2024; 16(10).

PMID: 39458613 PMC: 11510160. DOI: 10.3390/pharmaceutics16101284.


The Impact of Paediatric Obesity on Drug Pharmacokinetics: A Virtual Clinical Trials Case Study with Amlodipine.

Burhanuddin K, Mohammed A, Badhan R Pharmaceutics. 2024; 16(4).

PMID: 38675150 PMC: 11053426. DOI: 10.3390/pharmaceutics16040489.


Drug-disease interaction: Clinical consequences of inflammation on drugs action and disposition.

Abdallah Y, Chahal S, Jamali F, Mahmoud S J Pharm Pharm Sci. 2023; 26:11137.

PMID: 36942294 PMC: 9990632. DOI: 10.3389/jpps.2023.11137.


Advancing personalized medicine for tuberculosis through the application of immune profiling.

Thu V, Dat L, Jayanti R, Trinh H, Hung T, Cho Y Front Cell Infect Microbiol. 2023; 13:1108155.

PMID: 36844400 PMC: 9950414. DOI: 10.3389/fcimb.2023.1108155.


References
1.
Arend W, Dayer J . Cytokines and cytokine inhibitors or antagonists in rheumatoid arthritis. Arthritis Rheum. 1990; 33(3):305-15. DOI: 10.1002/art.1780330302. View

2.
Houston M . Nonsteroidal anti-inflammatory drugs and antihypertensives. Am J Med. 1991; 90(5A):42S-47S. DOI: 10.1016/0002-9343(91)90485-g. View

3.
Johnson K, Balderston S, Pieper J, Mann D, Reiter M . Electrophysiologic effects of verapamil metabolites in the isolated heart. J Cardiovasc Pharmacol. 1991; 17(5):830-7. DOI: 10.1097/00005344-199105000-00020. View

4.
Shibukawa A, Wainer I . Simultaneous direct determination of the enantiomers of verapamil and norverapamil in plasma using a derivatized amylose high-performance liquid chromatographic chiral stationary phase. J Chromatogr. 1992; 574(1):85-92. DOI: 10.1016/0378-4347(92)80101-u. View

5.
Baerwald C, Graefe C, von Wichert P, Krause A . Decreased density of beta-adrenergic receptors on peripheral blood mononuclear cells in patients with rheumatoid arthritis. J Rheumatol. 1992; 19(2):204-10. View