Generic Dexlansoprazole

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Dexlansoprazole (30 mg, 60 mg): Comprehensive Patient Information for Canada

Basic Product Information

Mechanism of Action

In simple terms: Dexlansoprazole is a proton pump inhibitor (PPI) that reduces the amount of acid your stomach produces. It works by blocking the tiny pumps in the stomach cells that release acid. By lowering acid levels, it helps heal damage to the food pipe (esophagus) caused by acid reflux and relieves heartburn. Dexlansoprazole uses a special dual-release technology that delivers the medication in two phases, providing longer-lasting acid suppression throughout the day and night compared with some other PPIs.

For specialists: Dexlansoprazole is the R-enantiomer of lansoprazole and belongs to the class of substituted benzimidazoles. It suppresses gastric acid secretion by specific inhibition of the (H+, K+)-ATPase enzyme system at the secretory surface of the gastric parietal cell. This enzyme system is regarded as the acid (proton) pump within the gastric mucosa. Dexlansoprazole is a dual delayed-release (DDR) formulation that produces a dual-peak pharmacokinetic profile. The first peak occurs approximately 1 to 2 hours after administration, and the second, larger peak occurs approximately 5 to 6 hours after dosing because the pH coating is designed to disintegrate at a higher pH level normally present farther down the intestinal tract. This dual-release design maintains therapeutic plasma drug concentrations longer than lansoprazole, which has a single-peak profile. Dexlansoprazole is extensively metabolized in the liver by oxidation, reduction, and subsequent formation of sulfate, glucuronide, and glutathione conjugates to inactive metabolites. It is the major circulating component in plasma regardless of CYP2C19 metabolizer status.

Pharmacokinetics

• Absorption: Dexlansoprazole is rapidly absorbed after oral administration, with a dual-peak plasma concentration profile. The first peak occurs approximately 1 to 2 hours after dosing, and the second, larger peak occurs approximately 5 to 6 hours after dosing. The pharmacokinetics are not significantly affected by food, and it can be taken without regard to meals.
• Metabolism: Dexlansoprazole is extensively metabolized in the liver by oxidation, reduction, and subsequent formation of sulfate, glucuronide, and glutathione conjugates to inactive metabolites. At least 19 metabolites have been identified in plasma, urine, and feces. CYP2C19 and CYP3A4 are involved in its metabolism.
• Elimination: Dexlansoprazole is eliminated with a half-life of approximately 1 to 2 hours in healthy subjects and in patients with symptomatic GERD. Plasma protein binding ranges from 96.1% to 98.8% and is independent of concentration.
• Onset of Action: Acid suppression begins within 1 to 2 hours after the first dose. Symptomatic relief of heartburn is typically experienced within the first few days of treatment.
• Duration of Action: The dual-release formulation maintains therapeutic plasma concentrations longer than conventional single-release PPIs, providing acid suppression over a 24-hour period.

Uses in Daily Life and Best Practice Advice

Dexlansoprazole is prescribed in Canada for the treatment of acid-related conditions. Your physician will determine the appropriate use and dose based on your specific medical situation.

• Typical Uses: Healing of all grades of erosive esophagitis for up to 8 weeks in patients 12 years of age and older; maintenance of healed erosive esophagitis for up to 6 months; treatment of heartburn associated with symptomatic non-erosive gastroesophageal reflux disease (GERD) for 4 weeks.
• Administration: Take the capsule whole with water, with or without food. Do not chew or crush the capsule. If you cannot swallow the capsule whole, the contents may be sprinkled on one tablespoon of applesauce and swallowed immediately, or mixed into 20 mL of water in a clean container and drawn into an oral syringe. The granules should not be chewed. Alternatively, capsules can be administered via a nasogastric tube.
• Monitoring: If symptoms do not improve within a reasonable period, or if they worsen, consult your physician. Use the lowest dose and shortest duration appropriate to your condition.
• Do Not Stop Without Medical Advice: Do not stop taking this medication without consulting your physician. Abrupt discontinuation may lead to a return of symptoms.

Morning vs. Evening Dosing

Dexlansoprazole is typically taken once daily. There is no specific clinical recommendation for morning versus evening dosing, and the medication can be taken without regard to food. However, taking it at the same time each day helps maintain consistent acid suppression. Always follow the schedule recommended by your physician.

• Once Daily: The standard dose is one capsule once daily.
• Consistency: Take dexlansoprazole at the same time each day to ensure maximum effectiveness.
• Missed Dose: If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not take two doses at the same time.
• Professional Guidance: Your healthcare provider may adjust the timing based on your other medications and daily routine.

Administration With or Without Food

Dexlansoprazole can be taken with or without food. Studies have shown no significant change in the pharmacokinetics or pharmacodynamics of dexlansoprazole whether taken with or without a high-fat meal. This flexibility makes it convenient for patients.

• Take the capsule whole with a full glass of water.
• Do not chew or crush the capsule, as this may affect the delayed-release properties.
• If you cannot swallow the capsule whole, open it and sprinkle the contents on one tablespoon of applesauce. Swallow immediately without chewing the granules.
• Alternatively, the contents of the capsule may be mixed into 20 mL of water in a clean container, drawn into an oral syringe, and swallowed immediately. Rinse the syringe with another 10 mL of water and swallow to ensure all medication is taken.
• For patients with a nasogastric tube, the capsule contents can be mixed with water and administered through the tube.

Interaction Warnings

Indications for Dexlansoprazole

"Off-label" means use outside the official approved indication, usually based on current medical guidelines and scientific evidence.

Dosing According to Clinical Indication

Doses should always be adjusted according to the advice of your physician and depending on your health condition. Do not exceed the recommended dose unless advised by a physician.

Side Effects and Safety Profile

Guidelines for Correct Use

• Take dexlansoprazole exactly as prescribed by your physician. Do not change your dose without medical advice.
• Take the capsule whole with water, with or without food, at the same time each day.
• Do not chew or crush the capsule. If you cannot swallow it whole, follow the instructions for sprinkling on applesauce or mixing with water.
• Do not take more than one dose per day unless directed by your physician.
• Use the lowest dose and shortest duration appropriate to your condition.
• Do not stop taking this medication without consulting your physician.
• If you are pregnant, planning to become pregnant, or breastfeeding, consult your physician before use.
• If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose. Do not double the dose.
• Keep all medical appointments for monitoring of your condition.
• Store at room temperature in a dry place. Keep out of reach of children.

Alternative Treatment Options

• Lansoprazole (Prevacid): The parent compound of dexlansoprazole. Available in 15 mg and 30 mg delayed-release capsules. Taken once daily. Widely available in generic form in Canada.
• Omeprazole (Losec): A commonly used PPI available in 10 mg, 20 mg, and 40 mg delayed-release capsules. Taken once daily. Available in generic form in Canada.
• Pantoprazole (Pantoloc): A PPI available in 20 mg and 40 mg tablets. Taken once daily. Available in generic form in Canada.
• Esomeprazole (Nexium): The S-enantiomer of omeprazole. Available in 20 mg and 40 mg capsules. Taken once daily. Available in generic form in Canada.
• Rabeprazole (Pariet): A PPI available in 10 mg and 20 mg tablets. Taken once daily. Available in generic form in Canada.

Comparison: Dexlansoprazole is distinguished from other PPIs by its dual delayed-release formulation, which produces a dual-peak pharmacokinetic profile and maintains therapeutic plasma concentrations longer than conventional single-release PPIs such as lansoprazole. This may provide more consistent 24-hour acid suppression. However, dexlansoprazole is generally more expensive than other generic PPIs in Canada. Your physician will determine the best option for your specific condition and health status.

Legal Status, Registration, and Coverage in Canada

• Registration: Dexlansoprazole (Dexilant) was approved by Health Canada in 2010 for the treatment of erosive esophagitis and GERD. Generic formulations are now available from Apotex Inc. and Altius Healthcare Inc.
• Prescription Status: Prescription only in Canada.
• Coverage: Coverage varies by province and territory. In Quebec, Dexilant and generic dexlansoprazole are covered under the RAMQ formulary. In Ontario, dexlansoprazole is available but may require prior authorization or step therapy with other PPIs. Generic formulations are generally more affordable than the brand-name product.
• Pharmacovigilance: Adverse reactions should be reported to Health Canada's MedEffect Canada program.

Recent Research and Clinical Guidelines (2022–2026)

• The 2026 American College of Gastroenterology guidelines continue to recommend PPIs, including dexlansoprazole, as first-line therapy for erosive esophagitis and GERD. The dual delayed-release formulation of dexlansoprazole provides prolonged acid suppression compared with conventional PPIs.
• Coverage policies for 2026 in the United States indicate that step therapy requirements may not apply for dexlansoprazole in certain state-mandated plans, though trial of at least two generic PPIs is often required for prior authorization.
• Research continues to explore the role of dexlansoprazole in the management of GERD, with a focus on its dual-release mechanism and prolonged duration of action. Studies have shown that dexlansoprazole 30 mg provides effective heartburn relief in patients with non-erosive GERD, and the 60 mg dose is effective for healing erosive esophagitis.
• Pharmacokinetic studies in patients 12 to 17 years of age have confirmed the safety and efficacy of dexlansoprazole 30 mg and 60 mg once daily for symptomatic GERD and erosive esophagitis.
• Research into CYP2C19 pharmacogenomics continues to inform understanding of interpatient variability in PPI response, though dexlansoprazole is the major circulating component in plasma regardless of CYP2C19 metabolizer status.

Availability and Supply in Canada

Prices and availability may vary by province, territory, and pharmacy. The cheapest option is generally found at Costco at approximately $50.00 per month. Generic formulations are generally more affordable than the brand-name Dexilant. Check with your local pharmacy for current pricing and coverage options.

Frequently Asked Questions (FAQ)

1. What is the difference between Dexilant 30 mg and 60 mg?
   The 60 mg dose is used for healing erosive esophagitis (damage to the esophagus from acid reflux) for up to 8 weeks. The 30 mg dose is used for maintenance of healed erosive esophagitis and for treating heartburn associated with non-erosive GERD. Your physician will determine the appropriate dose for your condition.
2. How long does dexlansoprazole take to work?
   Dexlansoprazole begins reducing stomach acid within 1 to 2 hours after the first dose. Symptomatic relief of heartburn is typically experienced within the first few days of treatment, but it may take up to 4 weeks for full effect in non-erosive GERD and up to 8 weeks for healing erosive esophagitis.
3. Can I take dexlansoprazole with food?
   Yes. Dexlansoprazole can be taken with or without food. Studies have shown no significant change in its effectiveness whether taken with or without a meal. This makes it convenient to take at any time of day.
4. Can I chew or crush the capsule?
   No. Dexlansoprazole capsules must be swallowed whole. Do not chew or crush them, as this affects the delayed-release properties. If you cannot swallow the capsule whole, you can open it and sprinkle the contents on applesauce or mix with water and administer via an oral syringe or nasogastric tube.
5. What should I do if I miss a dose?
   If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not take two doses at the same time to make up for a missed dose.
6. Can I stop taking dexlansoprazole if I feel better?
   No. Do not stop taking dexlansoprazole without consulting your physician. Abrupt discontinuation may cause your symptoms to return. Your physician will advise you on the appropriate duration of treatment.
7. What are the long-term risks of taking dexlansoprazole?
   Long-term use of PPIs, including dexlansoprazole, has been associated with an increased risk of bone fractures, low magnesium levels, vitamin B12 deficiency, and certain infections. Use the lowest dose and shortest duration appropriate to your condition. Discuss any concerns with your physician.
8. Is dexlansoprazole safe during pregnancy?
   There are no adequate and well-controlled studies of dexlansoprazole in pregnant women. It should be used during pregnancy only if clearly needed. Consult your physician if you are pregnant, planning to become pregnant, or breastfeeding.
9. Are there generic versions of dexlansoprazole available in Canada?
   Yes. Generic dexlansoprazole is available in Canada from manufacturers including Apotex Inc. and Altius Healthcare Inc. Generic versions may be more affordable than the brand-name Dexilant.

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