Omeprazole, a commonly used medication for acid reflux and stomach ulcers, can have its effectiveness and side effects influenced by certain genetic factors. These genetic influences can affect how an individual metabolizes the drug, which in turn can impact the drug's efficacy and the individual's susceptibility to side effects. It's important to note that while these genetic factors can influence how omeprazole works, they do not determine with certainty an individual's response to the drug. The following are some of the key genes that have been found to influence how omeprazole works:
CYP2C19: This gene plays a crucial role in the metabolism of omeprazole. Variations in this gene can lead to differences in how quickly the body breaks down the drug. Individuals with certain variants may metabolize omeprazole more slowly, potentially leading to increased drug effectiveness but also a higher risk of side effects.
ABCB1: This gene is involved in the transport of various substances across cell membranes, including omeprazole. Certain variants may affect the distribution of omeprazole in the body, which could influence the drug's effectiveness and the occurrence of side effects.
rs16944
Genotype
Impacts
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Drug Effect
Side Effects
Dosage
Summary
No summary available.
Level of evidence
More info
Genotype
Impacts
Breakdown
Drug Effect
Side Effects
Dosage
Summary
No summary available.
Level of evidence
More info
Genotype
Impacts
Breakdown
Drug Effect
Side Effects
Dosage
Summary
No summary available.
Level of evidence
More info
Legend:
Increased
Decreased
No known effect
rs1045642
located on ABCB1 gene
Genotype
Impacts
Breakdown
Drug Effect
Side Effects
Dosage
Summary
Individuals with the genotype A/A have increased Drug Effect to OMEPRAZOLE.
Level of evidence
More info
Genotype
Impacts
Breakdown
Drug Effect
Side Effects
Dosage
Summary
Individuals with the genotype A/G have decreased Drug Effect to OMEPRAZOLE.
Level of evidence
More info
Genotype
Impacts
Breakdown
Drug Effect
Side Effects
Dosage
Summary
Individuals with the genotype G/G have decreased Drug Effect to OMEPRAZOLE.
Level of evidence
More info
Legend:
Increased
Decreased
No known effect
rs16944
Genotype
Level of evidence
Effect
Summary
Breakdown
Drug Effect
Side Effects
Dosage
No summary available.
more info
Breakdown
Drug Effect
Side Effects
Dosage
No summary available.
more info
Breakdown
Drug Effect
Side Effects
Dosage
No summary available.
more info
Legend:
Increased
Decreased
No known effect
rs1045642
located on ABCB1 gene
Genotype
Level of evidence
Effect
Summary
Breakdown
Drug Effect
Side Effects
Dosage
Individuals with the genotype A/A have increased Drug Effect to OMEPRAZOLE.
more info
Breakdown
Drug Effect
Side Effects
Dosage
Individuals with the genotype A/G have decreased Drug Effect to OMEPRAZOLE.
more info
Breakdown
Drug Effect
Side Effects
Dosage
Individuals with the genotype G/G have decreased Drug Effect to OMEPRAZOLE.
more info
Legend:
Increased
Decreased
No known effect
It is essential for healthcare providers to consider individual patient factors and understand their specific genetic profiles to make personalized treatment decisions with OMEPRAZOLE