Related Experiment Video
Updated: Aug 12, 2026

Testing the Efficacy of Pharmacological Agents in a Pericardial Target Delivery Model in the Swine
Published on: July 7, 2016
Comparison of target concentration intervention strategy with conventional dosing of digoxin
S D Rajendran1, Y Madhusudan Rao, S Thanikachalam
1Department of Pharmacy Practice, JSS College of Pharmacy, Ootacamund 643 001. sdrajendran@rediffmail.com
Insights
Continuous digoxin dosing improved quality of life for congestive heart failure patients. Maintaining target serum digoxin concentrations with 7/7 therapy showed significant benefits over 5/7 therapy.
Area of Science:
- Cardiology
- Pharmacology
- Clinical Medicine
Background:
- Digoxin is a common medication for patients diagnosed with congestive heart failure.
- Optimizing digoxin dosage is crucial for managing heart failure symptoms and improving patient outcomes.
Purpose of the Study:
- To compare the quality of life in congestive heart failure patients using two different digoxin dosing regimens: 5/7 therapy versus 7/7 therapy.
- To determine if continuous digoxin dosing, maintaining target serum concentrations, impacts patient quality of life over a one-year period.
Main Methods:
- A one-year follow-up study comparing two digoxin dosing strategies (5/7 and 7/7 therapy).
- Serum digoxin concentrations were monitored to ensure target levels were maintained in both groups.
- Quality of life assessments were conducted for all participating patients.
Main Results:
- Patients in the intervention group (7/7 therapy) demonstrated a significant improvement in their quality of life.
- The continuous dosing regimen (7/7 therapy) was associated with enhanced patient well-being compared to the intermittent regimen (5/7 therapy).
Conclusions:
- Continuous digoxin dosing, guided by target serum concentrations, is essential for improving the quality of life in congestive heart failure patients.
- The 7/7 digoxin therapy regimen offers superior benefits for patient quality of life compared to the 5/7 regimen.
Abstract:
Digoxin is a widely used drug in patients with congestive heart failure. The present study compared the quality of life of congestive heart failure patients on one year follow-up period with two different dosing of digoxin (5/7 therapy and 7/7 therapy in whom the target serum digoxin concentration is maintained). Quality of life significantly improved in intervention group thus emphasizing the need for continuous dosing of digoxin based on target concentration.
Related Concept Videos
Rational Dosage Regimen: Maintenance Dose and Loading Dose
In most cases, drugs are administered repetitively or infused continuously to maintain a steady-state concentration in the body. At a steady state,...
Heart Failure Drugs: Inotropic Agents
Dosage Regimens: Designs and Approaches
Drug Accumulation During Multiple Dosing: Intermittent IV Infusions
Determination of Multiple Dosing Parameters: Steady-State, Minimum and Maximum Concentrations
Determination of Multiple Dosing Parameters: Loading and Maintenance Doses

