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Iron-ovotransferrin preparation does not interfere with ciprofloxacin absorption
F Pazzucconi1, S Barbi, D Baldassarre
1Center E. Grossi Paoletti, Ospedale Niguarda Cà Granda, Italy.
Clinical Pharmacology and Therapeutics
|April 1, 1996
Summary
A novel iron-ovotransferrin complex significantly reduces drug interactions compared to iron gluconate. This new iron supplement formulation minimizes impacts on the absorption of sensitive medications like ciprofloxacin.
Area of Science:
- Biochemistry
- Pharmacology
- Nutritional Science
Background:
- Oral iron supplements are known to interact with and reduce the bioavailability of various medications.
- Common iron salts can significantly impair the absorption of drugs with narrow therapeutic indices, such as fluoroquinolones.
- Developing iron formulations with reduced drug interaction potential is crucial for patient safety and treatment efficacy.
Purpose of the Study:
- To evaluate a new iron-ovotransferrin complex formulation for its potential to minimize drug interactions.
- To compare the effect of iron-ovotransferrin complex versus iron gluconate on the absorption of ciprofloxacin in healthy volunteers.
- To assess the bioavailability of iron from the iron-ovotransferrin complex, even in the presence of food.
Main Methods:
- A randomized controlled study involving healthy volunteers.
- Administration of ciprofloxacin with either an iron-ovotransferrin complex or an iron gluconate formulation.
- Measurement of serum ciprofloxacin concentrations, including peak levels (Cmax) and area under the curve (AUC(0-infinity)).
- Assessment of iron absorption from the iron-ovotransferrin complex formulation with a fatty meal.
Main Results:
- Iron gluconate significantly reduced ciprofloxacin Cmax by approximately 50% and AUC(0-infinity) by nearly 50%.
- The iron-ovotransferrin complex resulted in only minor, non-significant reductions in ciprofloxacin Cmax and AUC(0-infinity).
- Iron absorption from the iron-ovotransferrin complex was not significantly affected by the presence of a fatty meal.
Conclusions:
- The iron-ovotransferrin complex effectively prevents the common drug interactions associated with oral iron preparations.
- This novel formulation offers a safer alternative for patients requiring both iron supplementation and sensitive medications like ciprofloxacin.
- The iron-ovotransferrin complex demonstrates minimal interaction with drug absorption, preserving therapeutic efficacy.