Drug interactions between Adapin and eribulin
| Results for the following 2 drugs: |
|---|
| Adapin (doxepin) |
| eribulin |
Interactions between your selected drugs
doxepin ↔ eribulin
Applies to:Adapin (doxepin) and eribulin
MONITOR: Eribulin may cause prolongation of the QT interval. Theoretically, coadministration with other agents that can prolong the QT interval may result in additive effects and increased risk of ventricular arrhythmias including torsade de pointes and sudden death. In an uncontrolled, open-label electrocardiographic study consisting of 26 patients with solid tumors who received eribulin 1.4 mg/m2 on days 1 and 8 of a 21-day cycle, a delayed QTc prolongation was observed on day 8, independent of eribulin concentration. No QT prolongation was observed on day 1. The maximum mean QTcF change from baseline (95% upper confidence interval) was 11.4 (19.5) ms. In general, the risk of an individual agent or a combination of agents causing ventricular arrhythmia in association with QT prolongation is largely unpredictable but may be increased by certain underlying risk factors such as congenital long QT syndrome, cardiac disease, and electrolyte disturbances (e.g., hypokalemia, hypomagnesemia). In addition, the extent of drug-induced QT prolongation is dependent on the particular drugs involved and dosages of the drugs.
MANAGEMENT: Caution is recommended when eribulin is administered concomitantly with other drugs that can prolong the QT interval. Baseline and periodic monitoring of electrocardiograms and serum electrolytes (potassium, magnesium) should be considered, and hypokalemia or hypomagnesemia corrected prior to initiating treatment with eribulin. Patients should be advised to seek medical attention if they experience symptoms that could indicate the occurrence of torsade de pointes such as dizziness, palpitations, or syncope.
See also...
Drug Interaction Classification
The classifications below are a guideline only. The relevance of a particular drug interaction to a specific patient is difficult to determine using this tool alone given the large number of variables that may apply.
| Major | Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. |
| Moderate | Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. |
| Minor | Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan. |
Do not stop taking any medications without consulting your healthcare provider.
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