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Onset of action of esomeprazole

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Esomeprazole Onset of Action: Immediate-Release, Enteric-Coated, and Novel Formulations

Immediate-Release Esomeprazole: Rapid Onset

Immediate-release (IR) formulations of esomeprazole, which combine esomeprazole with sodium bicarbonate, are designed to overcome the delayed absorption seen with traditional enteric-coated tablets. Studies show that IR esomeprazole reaches peak plasma concentration much faster—within 0.5 to 0.75 hours—compared to 1.25 to 1.5 hours for the standard enteric-coated version. This results in a faster onset of acid suppression, as the IR formulation raises gastric pH more quickly after dosing, while maintaining similar overall acid suppression over 24 hours as the conventional formulation .

Novel Bilayer and Dual-Release Formulations: Enhanced and Sustained Effects

Newer formulations, such as bilayer tablets containing esomeprazole and magnesium hydroxide, have been developed to further speed up the onset of action. In animal studies, these bilayer tablets achieved a significantly faster absorption rate—about 3.5 times quicker than commercial esomeprazole products—while maintaining similar overall drug exposure. This suggests that such formulations can provide more immediate therapeutic effects for patients needing rapid symptom relief .

Dual delayed-release (DR) formulations, like Esomezol DR and YYD601, are designed to prolong the duration of acid suppression rather than to speed up the initial onset. These formulations show a delayed time to peak concentration compared to conventional esomeprazole, but maintain similar or improved acid suppression, especially during the night. The onset of action is not faster than standard formulations, but the effect is more sustained, which may help with symptoms like nocturnal acid breakthrough Lee2022Kim2023.

Conventional Enteric-Coated Esomeprazole: Standard Onset

Traditional enteric-coated esomeprazole tablets are absorbed more slowly due to the need to bypass stomach acid, resulting in a time to peak concentration of about 1.25 to 1.5 hours. While effective for 24-hour acid suppression, these formulations have a slower onset compared to immediate-release or certain novel formulations Kim2019Kim2023.

Conclusion

The onset of action of esomeprazole depends on its formulation. Immediate-release versions act fastest, reaching peak levels in about 0.5 to 0.75 hours and providing quicker acid suppression than standard enteric-coated tablets. Novel bilayer tablets also show a much faster absorption rate. In contrast, dual delayed-release formulations focus on sustaining acid suppression rather than speeding up onset. For patients needing rapid relief, immediate-release or bilayer formulations offer the quickest onset of action, while conventional and dual delayed-release forms provide reliable, sustained acid control Kim2019Kwon2025Lee2022+1 more.

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Most relevant research papers on this topic

The safety, pharmacodynamics, and pharmacokinetics of immediate-release formulation containing esomeprazole 20 mg/sodium bicarbonate 800 mg in healthy adult male

IR-ESO provides rapid, safe, and sustained gastric acid suppression, similar to esomeprazole 20 mg, with a faster onset and no significant differences in adverse events.

RCTA randomized controlled trial is a study where participants are randomly assigned to the control or the experimental group. RCTs are considered the gold-standard for experimental design.Rigorous JournalThis issue is ranked in the top 50% of journals measured by SciScore

2019·

16citations

·Dasohm Kim et al.

Drug Design, Development and Therapy·

DOI

PDF

Novel esomeprazole magnesium bilayer tablet with magnesium hydroxide: enhanced onset time and bioavailability in beagle dogs

The novel esomeprazole magnesium bilayer tablet with magnesium hydroxide offers a rapid onset and improved bioavailability for patients requiring immediate therapeutic effects.

Non-Randomized Exp.A study where researchers assign participants to groups and apply an intervention, but without randomization. Useful when randomizing isn’t practical or ethical, though more prone to selection bias than an RCT.

2025·

1citation

·Taek Kwan Kwon et al.

Journal of Pharmaceutical Investigation·

DOI

Pharmacokinetics and Pharmacodynamics of YYD601, a Dual Delayed-Release Formulation of Esomeprazole, Following Single and Multiple Doses in Healthy Adult Volunteers Under Fasting and Fed Conditions

YYD601 30 mg has a comparable effect on gastric acid inhibition as conventional esomeprazole 40 mg after once daily oral administration, and is safe and well-tolerated in healthy adults.

RCTA randomized controlled trial is a study where participants are randomly assigned to the control or the experimental group. RCTs are considered the gold-standard for experimental design.Rigorous JournalThis issue is ranked in the top 50% of journals measured by SciScore

2022·

3citations

·H. Lee et al.

Drug Design, Development and Therapy·

DOI

PDF

Effect of High‐Dose Esomeprazole on CYP1A2, CYP2C19, and CYP3A4 Activities in Humans: Evidence for Substantial and Long‐lasting Inhibition of CYP2C19

High-dose esomeprazole can cause strong inhibition of CYP2C19, but weakly inhibits CYP3A4, and CYP2C19 activity recovers gradually in 3-4 days after discontinuing treatment.

In Vitro Exp.An experiment performed on cells, tissues, or biological molecules outside a living organism. Findings are foundational but may not translate directly to humans or animals.Rigorous JournalThis issue is ranked in the top 50% of journals measured by SciScore

2020·

33citations

·A. Tornio et al.

Clinical Pharmacology & Therapeutics·

DOI

PDF

Pharmacokinetics and Pharmacodynamics of Esomezol DR, a New Dual Delayed-Release Formulation of Esomeprazole 20 Mg or 40 Mg, in Healthy Subjects

The dual delayed-release formulation of esomeprazole (Esomezol DR) provides longer and higher gastric acid inhibition compared to the conventional enteric-coated formulation, potentially relieving nocturnal acid-related symptoms.

RCTA randomized controlled trial is a study where participants are randomly assigned to the control or the experimental group. RCTs are considered the gold-standard for experimental design.Rigorous JournalThis issue is ranked in the top 50% of journals measured by SciScore

2023·

12citations

·Hyun Chul Kim et al.

Drug Design, Development and Therapy·

DOI

PDF

Pharmacokinetics and Pharmacodynamics of Esomeprazole/Sodium Bicarbonate Immediate-Release Capsules in Healthy Chinese Volunteers: A Cross-Over, Randomized Controlled Trial

Immediate-release capsules containing esomeprazole 20 mg and sodium bicarbonate 1100 mg effectively inhibit gastric acid secretion, with pharmacokinetics and pharmacodynamics influenced by CYP2C19 genotypes.

RCTA randomized controlled trial is a study where participants are randomly assigned to the control or the experimental group. RCTs are considered the gold-standard for experimental design.Rigorous JournalThis issue is ranked in the top 50% of journals measured by SciScore

2021·

6citations

·Shan Jing et al.

Advances in Therapy·

DOI

The effect of esomeprazole on the upper GI tract release and systemic absorption of mesalazine from colon targeted formulations.

Pre-treatment with esomeprazole accelerates mesalazine absorption in the upper GI tract and increases systemic exposure, potentially reducing its ability to reach the colon.

Non-Randomized Exp.A study where researchers assign participants to groups and apply an intervention, but without randomization. Useful when randomizing isn’t practical or ethical, though more prone to selection bias than an RCT.

2022·

12citations

·Arno Van Camp et al.

International journal of pharmaceutics·

DOI

PDF

Esomeprazole immediate release tablets: Gastric mucosa ex vivo permeation, absorption and antisecretory activity in conscious rats.

Esomeprazole immediate release tablets with sodium carbonate show superior absorption and antisecretory activity, potentially benefiting on-demand treatment of acid-related disorders like gastro-esophageal reflux disease.

Non-Randomized Exp.A study where researchers assign participants to groups and apply an intervention, but without randomization. Useful when randomizing isn’t practical or ethical, though more prone to selection bias than an RCT.AnimalAn animal study is research on animal subjects rather than humans. Its findings may not apply to people.

2016·

17citations

·C. Benetti et al.

Journal of controlled release : official journal of the Controlled Release Society·

DOI

Pharmacokinetics of Esomeprazole in Critically Ill Patients

Esomeprazole has unique pharmacokinetic parameters in critically ill patients compared to healthy volunteers.

2022·

3citations

·Yan-Yan Xu et al.

Frontiers in Medicine·

DOI

PDF

High dose esomeprazole as an anti-inflammatory agent in sepsis: Protocol for a randomized controlled trial.

High dose esomeprazole may reduce organ dysfunction in patients with sepsis or septic shock by regulating immune responses and improving clinical outcomes.

RCTA randomized controlled trial is a study where participants are randomly assigned to the control or the experimental group. RCTs are considered the gold-standard for experimental design.Large Human TrialWe detected that this paper: Tested an experimental intervention, Had human subjects, Had sample size >= 300. The conclusions may be broadly applicable to relevant human populations.Rigorous JournalThis issue is ranked in the top 50% of journals measured by SciScore

2023·

7citations

·G. Monti et al.

Contemporary clinical trials·

DOI

PDF

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