Lansoprazole
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Proton Pump Inhibitor
Dosing in kidney impairment
Patients may present with varying signs and symptoms from symptomatic hypersensitivity reactions to non-specific symptoms of decreased renal function (e.g., malaise, nausea, anorexia). In reported case series, some patients were diagnosed on biopsy and in the absence of extra-renal manifestations (e.g., fever, rash or arthralgia).
| Indication | Recommended Dose | Frequency |
|---|---|---|
| Duodenal Ulcers | ||
| Short-Term Treatment | 15 mg | Once daily for 4 weeks |
| Maintenance of Healed | 15 mg | Once daily |
| Eradication of H. pylori to Reduce the Risk of Duodenal Ulcer RecurrencePlease refer to the amoxicillin and clarithromycin full prescribing information, Contraindications and Warnings and Precautions sections, and for information regarding dosing in elderly and renally-impaired patients. | ||
| Triple Therapy: | ||
| PREVACID or PREVACID SoluTab | 30 mg | Twice daily for 10 or 14 days |
| Amoxicillin | 1 gram | Twice daily for 10 or 14 days |
| Clarithromycin | 500 mg | Twice daily for 10 or 14 days |
| Dual Therapy: | ||
| PREVACID or PREVACID SoluTab | 30 mg | Three times daily for 14 days |
| Amoxicillin | 1 gram | Three times daily for 14 days |
| Benign Gastric Ulcer | ||
| Short-Term Treatment | 30 mg | Once daily for up to 8 weeks |
| NSAID-Associated Gastric Ulcer | ||
| Healing | 30 mg | Once daily for 8 weeksControlled studies did not extend beyond indicated duration. |
| Risk Reduction | 15 mg | Once daily for up to 12 weeks |
| Gastroesophageal Reflux Disease (GERD) | ||
| Short-Term Treatment of Symptomatic GERD | 15 mg | Once daily for up to 8 weeks |
| Short-Term Treatment of Erosive Esophagitis | 30 mg | Once daily for up to 8 weeksFor patients who do not heal with PREVACID or PREVACID SoluTab for eight weeks (5 to 10%), it may be helpful to give an additional eight weeks of treatment. If there is a recurrence of erosive esophagitis, an additional eight week course of PREVACID or PREVACID SoluTab may be considered. |
| Maintenance of Healing of Erosive Esophagitis | 15 mg | Once dailyControlled studies did not extend beyond 12 months. |
| Pathological Hypersecretory Conditions Including Zollinger-Ellison Syndrome | 60 mg | Once dailyVaries with individual patient. Recommended adult starting dose is 60 mg once daily. Doses should be adjusted to individual patient needs and should continue for as long as clinically indicated. Dosages up to 90 mg twice daily have been administered. Daily dose of greater than 120 mg should be administered in divided doses. Some patients with Zollinger-Ellison syndrome have been treated continuously with PREVACID for more than four years. |
Dosing in liver impairment
Hepatic Impairment The recommended dosage is 15 mg orally daily in patients with severe liver impairment (Child-Pugh C) [see Use in Specific Populations ] .
Preparation and administration
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Important Administration Information Take PREVACID or PREVACID SoluTab before meals. Do not crush or chew PREVACID capsule or PREVACID SoluTab. Take PREVACID or PREVACID SoluTab at least 30 minutes prior to sucralfate [see Drug Interactions ] . Antacids may be used concomitantly with PREVACID or PREVACID SoluTab. Missed doses: If a dose is missed, administer as soon as possible.
However, if the next scheduled dose is due, do not take the missed dose, and take the next dose on time. Do not take two doses at one time to make up for a missed dose. PREVACID capsules Swallow whole; do not chew. For patients who have difficulty swallowing capsules, PREVACID capsules can be opened and administered orally or via a nasogastric tube in the soft foods or liquids specified below.
Administration of PREVACID in foods or liquids other than those discussed below have not been studied clinically and therefore are not recommended. Administration in Soft Foods (applesauce, ENSURE pudding, cottage cheese, yogurt or strained pears): Open capsule. Sprinkle intact granules on one tablespoon of either applesauce, ENSURE pudding, cottage cheese, yogurt or strained pears.
Swallow immediately. Administration in Liquids (apple juice, orange juice or tomato juice): Open capsule. Sprinkle intact granules into a small volume of either apple juice, orange juice or tomato juice (60 mL – approximately two ounces). Mix briefly. Swallow immediately. To ensure complete delivery of the dose, rinse the glass with two or more volumes of juice and swallow the contents immediately.
Administration with Apple Juice Through a Nasogastric Tube (≥16 French) Open capsule. Sprinkle intact granules into 40 mL of apple juice. Mix briefly. Using a catheter-tipped syringe, draw up the mixture. Inject through the nasogastric tube into the stomach. Flush with additional apple juice to clear the tube. PREVACID SoluTab Do not break or cut.
Place the tablet on the tongue, allow it to disintegrate, with or without water, until the microgranules can be swallowed. Do not chew the microgranules. The tablet typically disintegrates in less than one minute. Alternatively, for children or other patients who have difficulty swallowing tablets, PREVACID SoluTab can be administered with water via oral syringe or NG tube as follows: Administration with Water in an Oral Syringe Place a 15 mg tablet in oral syringe and draw up 4 mL of water, or place a 30 mg tablet in oral syringe and draw up 10 mL of water.
Shake gently to allow for a quick dispersal. After the tablet has dispersed, administer the contents within 15 minutes of mixing into the mouth. Do not save the water and microgranule mixture for later use. Refill the syringe with approximately 2 mL (5 mL for the 30 mg tablet) of water, shake gently, and administer any remaining contents.
Administration with Water via a NG Tube (≥8 French) Place a 15 mg tablet in a catheter-tip syringe and draw up 4 mL of water, or place a 30 mg tablet in a catheter-tip syringe and draw up 10 mL of water. Shake gently to allow for a quick dispersal. After the tablet has dispersed, shake the catheter-tip syringe gently in order to keep the microgranules from settling, and immediately inject the mixture through the NG tube into the stomach within 15 minutes of mixing.
Do not save the water and microgranule mixture for later use. Refill the catheter-tip syringe with approximately 5 mL of water, shake gently, and flush the tube.
Drug interactions
Check lansoprazole against a medication listLabel text (12 paragraphs)
Tables 2 and 3 include drugs with clinically important drug interactions and interaction with diagnostics when administered concomitantly with PREVACID or PREVACID SoluTab and instructions for preventing or managing them. Consult the labeling of concomitantly used drugs to obtain further information about interactions with PPIs. Table 2. Clinically Relevant Interactions Affecting Drugs Coadministered with PREVACID or PREVACID SoluTab and Interactions with Diagnostics Antiretrovirals Clinical Impact: The effect of PPIs on antiretroviral drugs is variable. The clinical importance and the mechanisms behind these interactions are not always known.
Decreased exposure of some antiretroviral drugs (e.g., rilpivirine, atazanavir, and nelfinavir) when used concomitantly with lansoprazole may reduce antiviral effect and promote the development of drug resistance. Increased exposure of other antiretroviral drugs (e.g., saquinavir) when used concomitantly with lansoprazole may increase toxicity of the antiretroviral drugs. There are other antiretroviral drugs which do not result in clinically relevant interactions with lansoprazole. Intervention: Rilpivirine-containing products : Concomitant use with PREVACID or PREVACID SoluTab is contraindicated [see Contraindications (4) ] . See prescribing information.
Atazanavir : See prescribing information for atazanavir for dosing information. Nelfinavir : Avoid concomitant use with PREVACID or PREVACID SoluTab. See prescribing information for nelfinavir. Saquinavir : See the prescribing information for saquinavir and monitor for potential saquinavir toxicities. Other antiretrovirals : See prescribing information. Warfarin Clinical Impact: Increased INR and prothrombin time in patients receiving PPIs and warfarin concomitantly. Increases in INR and prothrombin time may lead to abnormal bleeding and even death. Intervention: Monitor INR and prothrombin time. Dose adjustment of warfarin may be needed to maintain target INR range.
See prescribing information for warfarin. Methotrexate Clinical Impact: Concomitant use of PPIs with methotrexate (primarily at high dose) may elevate and prolong serum concentrations of methotrexate and/or its metabolite hydroxymethotrexate, possibly leading to methotrexate toxicities. No formal drug interaction studies of high-dose methotrexate with PPIs have been conducted [see Warnings and Precautions (5.10) ] . Intervention: A temporary withdrawal of PREVACID or PREVACID SoluTab may be considered in some patients receiving high-dose methotrexate. Digoxin Clinical Impact: Potential for increased exposure of digoxin. Intervention: Monitor digoxin concentrations.
Dose adjustment of digoxin may be needed to maintain therapeutic drug concentrations. See prescribing information for digoxin. Theophylline Clinical Impact: Increased clearance of theophylline [see Clinical Pharmacology (12.3) ] . Intervention: Individual patients may require additional titration of their theophylline dosage when PREVACID or PREVACID SoluTab is started or stopped to ensure clinically effective blood concentrations.
Drugs Dependent on Gastric pH for Absorption (e.g., iron salts, erlotinib, dasatinib, nilotinib, mycophenolate mofetil, ketoconazole/itraconazole) Clinical Impact: Lansoprazole can reduce the absorption of other drugs due to its effect on reducing intragastric acidity. Intervention: Mycophenolate mofetil (MMF): Coadministration of PPIs in healthy subjects and in transplant patients receiving MMF has been reported to reduce the exposure to the active metabolite, mycophenolic acid (MPA), possibly due to a decrease in MMF solubility at an increased gastric pH.
The clinical relevance of reduced MPA exposure on organ rejection has not been established in transplant patients receiving PREVACID and MMF. Use PREVACID and PREVACID SoluTab with caution in transplant patients receiving MMF. See the prescribing information for other drugs dependent on gastric pH for absorption. Combination Therapy with Clarithromycin and Amoxicillin Clinical Impact: Concomitant administration of clarithromycin with other drugs can lead to serious adverse reactions, including potentially fatal arrhythmias, and are contraindicated. Amoxicillin also has drug interactions.
Intervention: See Contraindications and Warnings and Precautions in prescribing information for clarithromycin. See Drug Interactions in prescribing information for amoxicillin. Tacrolimus Clinical Impact: Potentially increased exposure of tacrolimus, especially in transplant patients who are intermediate or poor metabolizers of CYP2C19. Intervention: Monitor tacrolimus whole blood trough concentrations. Dose adjustment of tacrolimus may be needed to maintain therapeutic drug concentrations. See prescribing information for tacrolimus. Interactions with Investigations of Neuroendocrine Tumors Clinical Impact: CgA levels increase secondary to PPI-induced decreases in gastric acidity.
The increased CgA level may cause false positive results in diagnostic investigations for neuroendocrine tumors [see Warnings and Precautions (5.9) , Clinical Pharmacology (12.2) ] . Intervention: Temporarily stop PREVACID or PREVACID SoluTab treatment at least 14 days before assessing CgA levels and consider repeating the test if initial CgA levels are high. If serial tests are performed (e.g., for monitoring), the same commercial laboratory should be used for testing, as reference ranges between tests may vary. Interaction with Secretin Stimulation Test Clinical Impact: Hyper-response in gastrin secretion in response to secretin stimulation test, falsely suggesting gastrinoma.
Intervention: Temporarily stop PREVACID or PREVACID SoluTab treatment at least 28 days before assessing to allow gastrin levels to return to baseline [see Clinical Pharmacology (12.2) ] . False Positive Urine Tests for THC Clinical Impact: There have been reports of false positive urine screening tests for tetrahydrocannabinol (THC) in patients receiving PPIs. Intervention: An alternative confirmatory method should be considered to verify positive results. Table 3.
Clinically Relevant Interactions Affecting PREVACID or PREVACID SoluTab When Coadministered with Other Drugs CYP2C19 OR CYP3A4 Inducers Clinical Impact: Decreased exposure of lansoprazole when used concomitantly with strong inducers [see Clinical Pharmacology (12.3) ] . Intervention: St John's Wort, rifampin : Avoid concomitant use with PREVACID or PREVACID SoluTab. Ritonavir-containing products : See prescribing information. CYP2C19 or CYP3A4 Inhibitors Clinical Impact: Increased exposure of lansoprazole is expected when used concomitantly with strong inhibitors [see Clinical Pharmacology (12.3) ] . Intervention: Voriconazole : See prescribing information.
Sucralfate Clinical Impact: Decreased and delayed absorption of lansoprazole [see Clinical Pharmacology (12.3) ] . Intervention: Take PREVACID or PREVACID SoluTab at least 30 minutes prior to sucralfate [see Dosage and Administration (2.4) ] . See full prescribing information for a list of clinically important drug interactions. ( 7 )
Contraindications
4 CONTRAINDICATIONS PREVACID and PREVACID SoluTab are contraindicated in patients with known hypersensitivity to any component of the formulation. Hypersensitivity reactions may include anaphylaxis, anaphylactic shock, angioedema, bronchospasm, acute tubulointerstitial nephritis, and urticaria [see Warnings and Precautions (5.2) , Adverse Reactions (6) ] . Proton Pump Inhibitors (PPIs), including PREVACID and PREVACID SoluTab, are contraindicated with rilpivirine-containing products [see Drug Interactions (7) ] .
For information about contraindications of antibacterial agents (clarithromycin and amoxicillin) indicated in combination with PREVACID or PREVACID SoluTab, refer to the Contraindications section of their prescribing information. Contraindicated in patients with known hypersensitivity to any component of the PREVACID or PREVACID SoluTab formulations. ( 4 ) Patients receiving rilpivirine-containing products. ( 4 , 7 )
Pregnancy and lactation
Pregnancy
8.1 Pregnancy Risk Summary Available data from published observational studies overall do not indicate an association of adverse pregnancy outcomes with lansoprazole treatment (see Data ) . In animal reproduction studies, oral administration of lansoprazole to rats during organogenesis through lactation at 6.4 times the maximum recommended human dose produced reductions in the offspring in femur weight, femur length, crown-rump length and growth plate thickness (males only) on postnatal Day 21 (see Data ) . These effects were associated with reduction in body weight gain. Advise pregnant women of the potential risk to the fetus.
The estimated background risk of major birth defects and miscarriage for the indicated populations are unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the US general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively. If PREVACID or PREVACID SoluTab is administered with clarithromycin, the pregnancy information for clarithromycin also applies to the combination regimen. Refer to the prescribing information for clarithromycin for more information on use in pregnancy.
Data Human Data Available data from published observational studies failed to demonstrate an association of adverse pregnancy-related outcomes and lansoprazole use. Methodological limitations of these observational studies cannot definitely establish or exclude any drug-associated risk during pregnancy. In a prospective study by the European Network of Teratology Information Services, outcomes from a group of 62 pregnant women administered median daily doses of 30 mg of lansoprazole were compared to a control group of 868 pregnant women who did not take any PPIs.
There was no difference in the rate of major malformations between women exposed to PPIs and the control group, corresponding to a Relative Risk (RR)=1.04, [95% Confidence Interval (CI) 0.25-4.21]. In a population-based retrospective cohort study covering all live births in Denmark from 1996 to 2008, there was no significant increase in major birth defects during analysis of first trimester exposure to lansoprazole in 794 live births.
A meta-analysis that compared 1,530 pregnant women exposed to PPIs in at least the first trimester with 133,410 unexposed pregnant women showed no significant increases in risk for congenital malformations or spontaneous abortion with exposure to PPIs (for major malformations Odds Ratio (OR)=1.12, [95% CI 0.86-1.45] and…
For breastfeeding, also see LactMed (National Library of Medicine), which summarizes milk levels and infant effects.
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