Omeprazole and calcium carbonate drug interaction
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Omeprazole and Calcium Carbonate Drug Interaction: Effects on Absorption and Phosphate Binding
Impact of Omeprazole on Calcium Carbonate as a Phosphate Binder in Hemodialysis Patients
Research shows that when omeprazole is taken together with calcium carbonate in hemodialysis patients, the ability of calcium carbonate to act as a phosphate binder is not significantly affected. Studies found no significant increase in blood phosphate levels when omeprazole was added, and the phosphate-binding efficiency of calcium carbonate remained stable. This suggests that omeprazole does not reduce the effectiveness of calcium carbonate in controlling phosphate levels in these patients Aboelyazeed2017Sechet1999Hardy1998.
Omeprazole and Calcium Absorption from Calcium Carbonate
Several studies indicate that omeprazole can reduce the intestinal absorption of calcium from calcium carbonate. In postmenopausal women, the use of omeprazole significantly lowered the rise in blood calcium levels after taking calcium carbonate, compared to when calcium carbonate was taken alone. This means that omeprazole may make calcium carbonate less effective at increasing blood calcium levels, likely due to reduced stomach acid, which is important for dissolving and absorbing calcium carbonate .
Effects in Healthy Individuals
In healthy subjects, the combination of omeprazole and calcium carbonate did not decrease the phosphate-binding capacity of calcium carbonate. In fact, one study found that the combination led to a further reduction in the rise of blood phosphate after a phosphate load, compared to calcium carbonate alone. This suggests that omeprazole does not impair, and may even enhance, the phosphate-binding effect of calcium carbonate in healthy people .
Summary of Key Findings
- In hemodialysis patients, omeprazole does not significantly reduce the phosphate-binding effectiveness of calcium carbonate Aboelyazeed2017Sechet1999Hardy1998.
- Omeprazole can reduce the absorption of calcium from calcium carbonate, leading to lower increases in blood calcium after supplementation, especially in postmenopausal women .
- In healthy individuals, omeprazole does not decrease and may even improve the phosphate-binding effect of calcium carbonate .
Conclusion
Overall, omeprazole does not significantly interfere with the phosphate-binding action of calcium carbonate in patients with kidney disease or in healthy individuals. However, omeprazole can reduce the absorption of calcium from calcium carbonate, which may be important for people who rely on calcium supplements for bone health.
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Most relevant research papers on this topic
[Inhibition of gastric secretion by omeprazole and efficacy of calcium carbonate in the control of hyperphosphatemia in patients on maintenance hemodialysis].
Inhibiting gastric secretion by omeprazole does not decrease calcium carbonate's efficiency as a phosphate binder in patients on maintenance hemodialysis.
Acute Effects Of Oral Calcium Carbonate With And Without The Addition Of Omeprazole And Fiber Enriched Milk On Serum Calcium Concentrations In Postmenopausal Women
Omeprazole significantly reduced the intestinal absorption of calcium carbonate, leading to a lower serum calcium response compared to soluble fiber enriched milk.
Peningkatan Stabilitas Asam dari Omeprazol dengan Teknik Kokristalisasi Menggunakan Koformer Natrium Karbonat
Co-crystallization of omeprazole with sodium carbonate slightly improves its acid stability, despite no molecular compound formation at a mole ratio of 1:1.
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