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Drug Interactions between thalidomide and vadadustat

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Major

thalidomide vadadustat

Applies to: thalidomide and vadadustat

Consumer information for this interaction is not currently available.

MONITOR CLOSELY: Concomitant treatment with agents that can cause thrombosis such as erythropoiesis- or thrombopoiesis-stimulating agents, oestrogens, selective estrogen receptor modulators, or C1 esterase inhibitors may potentiate the risk of venous thromboembolic events associated with the use of thalidomide. When used in multiple myeloma, there is an increased risk of venous thromboembolism such as deep venous thrombosis and pulmonary embolism. This risk increases significantly when thalidomide is combined with standard chemotherapeutic agents and/or steroids. In one controlled trial, the rate of venous thromboembolism was 22.5% in patients receiving thalidomide with dexamethasone versus 4.9% in patients receiving dexamethasone alone. Arterial thromboembolism such as myocardial infarction and cerebrovascular event may also occur. The risk of thromboembolism appears to be greatest during the first five months of therapy.

MANAGEMENT: Agents that are known to cause thrombosis should be used with caution in multiple myeloma patients receiving thalidomide with standard chemotherapeutic agents and/or steroids. Patients should be advised to seek medical attention if they develop potential signs and symptoms of thromboembolism such as chest pain; shortness of breath; rapid pulse; pain, swelling, and/or discoloration in an arm or leg; and numbness or weakness on one side of the body. Prophylaxis with anticoagulants such as low-molecular weight heparins or warfarin may be appropriate, but the decision to take thromboprophylactic measures should be made after careful assessment of underlying risk factors. If a thromboembolic event occurs during therapy with thalidomide, treatment must be discontinued and standard anticoagulation therapy initiated. Once anticoagulation is stabilized and complications of the thromboembolic event under control, thalidomide may be restarted at the original dose if benefit is deemed to outweigh the risks. Anticoagulation therapy should be continued during the remaining course of thalidomide treatment.

Drug and food interactions

Moderate

thalidomide food

Applies to: thalidomide

Alcohol can increase the nervous system side effects of thalidomide such as dizziness, drowsiness, and difficulty concentrating. Some people may also experience impairment in thinking and judgment. You should avoid or limit the use of alcohol while being treated with thalidomide. Do not use more than the recommended dose of thalidomide, and avoid activities requiring mental alertness such as driving or operating hazardous machinery until you know how the medication affects you. Talk to your doctor or pharmacist if you have any questions or concerns.

Moderate

vadadustat food

Applies to: vadadustat

Consumer information for this interaction is not currently available.

MONITOR: Smoking and alcohol consumption during therapy with vadadustat may increase the risk of gastrointestinal erosions. Serious erosions, including gastrointestinal bleeding and the need for red blood cell transfusions, have been reported during vadadustat clinical trials. Patients with a history of gastrointestinal erosion, peptic ulcer disease, and current tobacco smokers and alcohol drinkers may be at higher risk of gastrointestinal injury.

MANAGEMENT: Caution is advised if vadadustat is prescribed to current tobacco smokers or alcohol drinkers. Patients should be advised to contact their physician if they develop potential signs and symptoms of gastrointestinal injury such as abdominal pain, hematemesis, trouble swallowing, chest or throat pain, and/or black, tarry stools.

Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.


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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
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.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.