Monday, October 10, 2016

Lansoprazole




FULL PRESCRIBING INFORMATION

Indications and Usage for Lansoprazole



Short-Term Treatment of Active Duodenal Ulcer


Lansoprazole delayed-release capsules are indicated for short-term treatment (for 4 weeks) for healing and symptom relief of active duodenal ulcer. [See Clinical Studies (14).]



H. pylori Eradication to Reduce the Risk of Duodenal Ulcer Recurrence


Triple Therapy

Lansoprazole/amoxicillin/clarithromycin


Lansoprazole delayed-release capsules in combination with amoxicillin plus clarithromycin as triple therapy is indicated for the treatment of patients with H. pylori infection and duodenal ulcer disease (active or one year history of a duodenal ulcer) to eradicate H. pylori. Eradication of H. pylori has been shown to reduce the risk of duodenal ulcer recurrence [see Clinical Studies (14)].


Please refer to the full prescribing information for amoxicillin and clarithromycin.


Dual Therapy

Lansoprazole/amoxicillin


Lansoprazole delayed-release capsules in combination with amoxicillin as dual therapy is indicated for the treatment of patients with H. pylori infection and duodenal ulcer disease (active or one year history of a duodenal ulcer) who are either allergic or intolerant to clarithromycin or in whom resistance to clarithromycin is known or suspected (see the clarithromycin package insert, MICROBIOLOGY section). Eradication of H. pylori has been shown to reduce the risk of duodenal ulcer recurrence [see Clinical Studies (14)].


Please refer to the full prescribing information for amoxicillin.



Maintenance of Healed Duodenal Ulcers


Lansoprazole delayed-release capsules are indicated to maintain healing of duodenal ulcers. Controlled studies do not extend beyond 12 months. [See Clinical Studies (14).]



Short-Term Treatment of Active Benign Gastric Ulcer


Lansoprazole delayed-release capsules are indicated for short-term treatment (up to 8 weeks) for healing and symptom relief of active benign gastric ulcer. [See Clinical Studies (14).]



Healing of NSAID-Associated Gastric Ulcer


Lansoprazole delayed-release capsules are indicated for the treatment of NSAID-associated gastric ulcer in patients who continue NSAID use. Controlled studies did not extend beyond 8 weeks. [See Clinical Studies (14).]



Risk Reduction of NSAID-Associated Gastric Ulcer


Lansoprazole delayed-release capsules are indicated for reducing the risk of NSAID-associated gastric ulcers in patients with a history of a documented gastric ulcer who require the use of an NSAID. Controlled studies did not extend beyond 12 weeks. [See Clinical Studies (14).]



Gastroesophageal Reflux Disease (GERD)


Short-Term Treatment of Symptomatic GERD

Lansoprazole delayed-release capsules are indicated for the treatment of heartburn and other symptoms associated with GERD. [See Clinical Studies (14).]


Short-Term Treatment of Erosive Esophagitis

Lansoprazole delayed-release capsules are indicated for short-term treatment (up to 8 weeks) for healing and symptom relief of all grades of erosive esophagitis. For patients who do not heal with Lansoprazole delayed-release capsules for 8 weeks (5% to 10%), it may be helpful to give an additional 8 weeks of treatment. If there is a recurrence of erosive esophagitis an additional 8-week course of Lansoprazole delayed-release capsules may be considered. [See Clinical Studies (14).]



Maintenance of Healing of Erosive Esophagitis (EE)


Lansoprazole delayed-release capsules are indicated to maintain healing of erosive esophagitis. Controlled studies did not extend beyond 12 months. [See Clinical Studies (14).]



Pathological Hypersecretory Conditions Including Zollinger-Ellison Syndrome (ZES)


Lansoprazole delayed-release capsules are indicated for the long-term treatment of pathological hypersecretory conditions, including Zollinger-Ellison syndrome. [See Clinical Studies (14).]



Lansoprazole Dosage and Administration


Lansoprazole delayed-release capsules are available as capsules in 15 mg and 30 mg strengths. Directions for use specific to the route and available methods of administration is presented below. Lansoprazole delayed-release capsules should be taken before eating. Lansoprazole delayed-release capsules SHOULD NOT BE CRUSHED OR CHEWED. In the clinical trials, antacids were used concomitantly with Lansoprazole.



Recommended Dose


































































































*

Please refer to amoxicillin and clarithromycin full prescribing information for CONTRAINDICATIONS and WARNINGS, and for information regarding dosing in elderly and renally-impaired patients.


Controlled studies did not extend beyond indicated duration.


For patients who do not heal with Lansoprazole for 8 weeks (5% to 10%), it may be helpful to give an additional 8 weeks of treatment. If there is a recurrence of erosive esophagitis, an additional 8 week course of Lansoprazole may be considered.

§

The Lansoprazole dose was increased (up to 30 mg twice daily) in some pediatric patients after 2 or more weeks of treatment if they remained symptomatic. For pediatric patients unable to swallow an intact capsule please see Administration Options.


Varies 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 Lansoprazole for more than 4 years.

IndicationRecommendedFrequency
Dose
Duodenal Ulcers 
   Short-Term Treatment15 mgOnce daily for 4 weeks
     Maintenance of Healed15 mgOnce daily
H. pylori Eradication to Reduce the Risk of Duodenal Ulcer Recurrence*
     Triple Therapy:
          Lansoprazole Delayed-release Capsules30 mgTwice daily (q12h) for 10 or 14 days
          Amoxicillin1 gramTwice daily (q12h) for 10 or 14 days
          Clarithromycin500 mgTwice daily (q12h) for 10 or 14 days
     Dual Therapy:
          Lansoprazole Delayed-release Capsules30 mgThree times daily (q8h) for 14 days
          Amoxicillin1 gramThree times daily (q8h) for 14 days
Benign Gastric Ulcer
     Short-Term Treatment30 mgOnce daily for up to 8 weeks
NSAID-associated Gastric Ulcer
     Healing30 mgOnce daily for 8 weeks
     Risk Reduction15 mgOnce daily for up to 12 weeks
Gastroesophageal Reflux Disease (GERD)
     Short-Term Treatment of Symptomatic GERD15 mgOnce daily for up to 8 weeks
     Short -Term Treatment of Erosive Esophagitis30 mgOnce daily for up to 8 weeks
Pediatric
(1 to 11 years of age)
Short-Term Treatment of Symptomatic GERD and Short-Term Treatment of Erosive Esophagitis
     ≤ 30 kg15 mgOnce daily for up to 12 weeks§
     > 30 kg30 mgOnce daily for up to 12 weeks§
(12 to 17 years of age)
Short-Term Treatment of Symptomatic GERD
     Nonerosive GERD15 mgOnce daily for up to 8 weeks
     Erosive Esophagitis30 mgOnce daily for up to 8 weeks
Maintenance of Healing of Erosive Esophagitis15 mgOnce daily
Pathological Hypersecretory Conditions Including Zollinger-Ellison Syndrome60 mgOnce daily

Patients should be instructed that if a dose is missed, it should be taken as soon as possible. However, if the next scheduled dose is due, the patient should not take the missed dose and should be instructed to take the next dose on time. Patients should be instructed not to take two doses at one time to make up for a missed dose.



Special Populations


Renal impairment patients and geriatric patients do not require dosage adjustment. However, consider dose adjustment in patients with severe liver impairment. [See Use in Specific Populations (8.5, 8.6 and 8.7).]



Important Administration Information


Administration Options

Lansoprazole Delayed-release Capsules -Oral Administration


  • Lansoprazole delayed-release capsules should be swallowed whole.

  • Alternatively, for patients who have difficulty swallowing capsules, Lansoprazole delayed-release capsules can be opened and administered as follows:
    • Open capsule.

    • Sprinkle intact pellets on one tablespoon of either applesauce, ENSURE® pudding, cottage cheese, yogurt or strained pears.

    • Swallow immediately.


  • Lansoprazole delayed-release capsules may also be emptied into a small volume of either apple juice, orange juice or tomato juice and administered as follows:
    • Open capsule.

    • Sprinkle intact pellets into a small volume of either apple juice, orange juice or tomato juice (60 mL – approximately 2 ounces).

    • Mix briefly.

    • Swallow immediately.

    • To ensure complete delivery of the dose, the glass should be rinsed with two or more volumes of juice and the contents swallowed immediately.


Lansoprazole Delayed-release Capsules -Nasogastric Tube (≥ 16 French) Administration


  • For patients who have a nasogastric tube in place, Lansoprazole delayed-release capsules can be administered as follows:
    • Open capsule.

    • Mix intact pellets into 40 mL of apple juice. DO NOT USE OTHER LIQUIDS.

    • Inject through the nasogastric tube into the stomach.

    • Flush with additional apple juice to clear the tube.


USE IN OTHER FOODS AND LIQUIDS HAS NOT BEEN STUDIED CLINICALLY AND IS THEREFORE NOT RECOMMENDED.



Dosage Forms and Strengths


  • 15 mg capsules have a green opaque cap, green opaque body, hard-shell gelatin capsule filled with white to off-white pellets. The capsule is axially printed with MYLAN over 8015 in black ink on both the cap and body.

  • 30 mg capsules have a pink opaque cap, pink opaque body, hard-shell gelatin capsule filled with white to off-white pellets. The capsule is axially printed with MYLAN over 8030 in black ink on both the cap and the body.


Contraindications


Lansoprazole delayed-release capsules are contraindicated in patients with known severe hypersensitivity to any component of the formulation of Lansoprazole. For information on contraindications for amoxicillin or clarithromycin, refer to their full prescribing information, CONTRAINDICATIONS sections.



Warnings and Precautions



Gastric Malignancy


Symptomatic response to therapy with Lansoprazole does not preclude the presence of gastric malignancy.



Bone Fracture


 Several published observational studies suggest that proton pump inhibitor (PPI) therapy may be associated with an increased risk for osteoporosis-related fractures of the hip, wrist or spine. The risk of fracture was increased in patients who received high-dose, defined as multiple daily doses, and long-term PPI therapy (a year or longer). Patients should use the lowest dose and shortest duration of PPI therapy appropriate to the condition being treated. Patients at risk for osteoporosis-related fractures should be managed according to established treatment guidelines [see Dosage and Administration (2) and Adverse Reactions (6.2)].


 For information on warnings and precautions for amoxicillin or clarithromycin, refer to their full prescribing information, WARNINGS and PRECAUTIONS sections.



Hypomagnesemia


 Hypomagnesemia, symptomatic and asymptomatic, has been reported rarely in patients treated with PPIs for at least 3 months, in most cases after a year of therapy. Serious adverse events include tetany, arrhythmias and seizures. In most patients, treatment of hypomagnesemia required magnesium replacement and discontinuation of the PPI.


 For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2)].



Adverse Reactions



Clinical


Worldwide, over 10,000 patients have been treated with Lansoprazole in Phase 2 or Phase 3 clinical trials involving various dosages and durations of treatment. In general, Lansoprazole treatment has been well tolerated in both short-term and long-term trials.


Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in clinical practice.


The following adverse reactions were reported by the treating physician to have a possible or probable relationship to drug in 1% or more of Lansoprazole-treated patients and occurred at a greater rate in Lansoprazole-treated patients than placebo-treated patients in Table 1.































Table 1. Incidence of Possibly or Probably Treatment-Related Adverse Reactions in Short-Term, Placebo-Controlled Lansoprazole Studies
LansoprazolePlacebo
(N = 2,768)(N = 1,023)
Body System/Adverse Event%%
Body as a Whole
     Abdominal Pain2.11.2
Digestive System
     Constipation10.4
     Diarrhea3.82.3
     Nausea1.31.2

 


Headache was also seen at greater than 1% incidence but was more common on placebo. The incidence of diarrhea was similar between patients who received placebo and patients who received 15 mg and 30 mg of Lansoprazole, but higher in the patients who received 60 mg of Lansoprazole (2.9%, 1.4%, 4.2% and 7.4%, respectively).


The most commonly reported possibly or probably treatment-related adverse event during maintenance therapy was diarrhea.


In the risk reduction study of Lansoprazole for NSAID-associated gastric ulcers, the incidence of diarrhea for patients treated with Lansoprazole, misoprostol and placebo was 5%, 22% and 3%, respectively.


Another study for the same indication, where patients took either a COX-2 inhibitor or Lansoprazole and naproxen, demonstrated that the safety profile was similar to the prior study. Additional reactions from this study not previously observed in other clinical trials with Lansoprazole included contusion, duodenitis, epigastric discomfort, esophageal disorder, fatigue, hunger, hiatal hernia, hoarseness, impaired gastric emptying, metaplasia and renal impairment.


Additional adverse experiences occurring in less than 1% of patients or subjects who received Lansoprazole in domestic trials are shown below:


Body as a Whole: abdomen enlarged, allergic reaction, asthenia, back pain, candidiasis, carcinoma, chest pain (not otherwise specified), chills, edema, fever, flu syndrome, halitosis, infection (not otherwise specified), malaise, neck pain, neck rigidity, pain, pelvic pain


Cardiovascular System: angina, arrhythmia, bradycardia, cerebrovascular accident/cerebral infarction, hypertension/hypotension, migraine, myocardial infarction, palpitations, shock (circulatory failure), syncope, tachycardia, vasodilation


Digestive System: abnormal stools, anorexia, bezoar, cardiospasm, cholelithiasis, colitis, dry mouth, dyspepsia, dysphagia, enteritis, eructation, esophageal stenosis, esophageal ulcer, esophagitis, fecal discoloration, flatulence, gastric nodules/fundic gland polyps, gastritis, gastroenteritis, gastrointestinal anomaly, gastrointestinal disorder, gastrointestinal hemorrhage, glossitis, gum hemorrhage, hematemesis, increased appetite, increased salivation, melena, mouth ulceration, nausea and vomiting, nausea and vomiting and diarrhea, gastrointestinal moniliasis, rectal disorder, rectal hemorrhage, stomatitis, tenesmus, thirst, tongue disorder, ulcerative colitis, ulcerative stomatitis


Endocrine System: diabetes mellitus, goiter, hypothyroidism


Hemic and Lymphatic System: anemia, hemolysis, lymphadenopathy


Metabolism and Nutritional Disorders: avitaminosis,  gout, dehydration, hyperglycemia/hypoglycemia, peripheral edema, weight gain/loss


Musculoskeletal System: arthralgia, arthritis, bone disorder, joint disorder, leg cramps, musculoskeletal pain, myalgia, myasthenia, ptosis, synovitis


Nervous System: abnormal dreams, agitation, amnesia, anxiety, apathy, confusion, convulsion, dementia, depersonalization, depression, diplopia, dizziness, emotional lability, hallucinations, hemiplegia, hostility aggravated, hyperkinesia, hypertonia, hypesthesia, insomnia, libido decreased/increased, nervousness, neurosis, paresthesia, sleep disorder, somnolence, thinking abnormality, tremor, vertigo


Respiratory System: asthma, bronchitis, cough increased, dyspnea, epistaxis, hemoptysis, hiccup, laryngeal neoplasia, lung fibrosis, pharyngitis, pleural disorder, pneumonia, respiratory disorder, upper respiratory inflammation/infection, rhinitis, sinusitis, stridor


Skin and Appendages: acne, alopecia, contact dermatitis, dry skin, fixed eruption, hair disorder, maculopapular rash, nail disorder, pruritus, rash, skin carcinoma, skin disorder, sweating, urticaria


Special Senses: abnormal vision, amblyopia, blepharitis, blurred vision, cataract, conjunctivitis, deafness, dry eyes, ear/eye disorder, eye pain, glaucoma, otitis media, parosmia, photophobia, retinal degeneration/disorder, taste loss, taste perversion, tinnitus, visual field defect


Urogenital System: abnormal menses, breast enlargement, breast pain, breast tenderness, dysmenorrhea, dysuria, gynecomastia, impotence, kidney calculus, kidney pain, leukorrhea, menorrhagia, menstrual disorder, penis disorder, polyuria, testis disorder, urethral pain, urinary frequency, urinary retention, urinary tract infection, urinary urgency, urination impaired, vaginitis



Post-Marketing Experience


Additional adverse experiences have been reported since Lansoprazole has been marketed. The majority of these cases are foreign-sourced and a relationship to Lansoprazole has not been established. Because these reactions were reported voluntarily from a population of unknown size, estimates of frequency cannot be made. These events are listed below by COSTART body system.


Body as a Whole: anaphylactic/anaphylactoid reactions;


Digestive System: hepatotoxicity, pancreatitis, vomiting;


Hemic and Lymphatic System:  agranulocytosis, aplastic anemia, hemolytic anemia, leukopenia, neutropenia, pancytopenia, thrombocytopenia, and thrombotic thrombocytopenic purpura;


Metabolism and Nutritional Disorders: hypomagnesemia;


Musculoskeletal System: bone fracture, myositis;


Skin and Appendages: severe dermatologic reactions including erythema multiforme, Stevens-Johnson Syndrome, toxic epidermal necrolysis (some fatal);


Special Senses: speech disorder;


Urogenital System: interstitial nephritis, urinary retention



Combination Therapy with Amoxicillin and Clarithromycin


In clinical trials using combination therapy with Lansoprazole plus amoxicillin and clarithromycin, and Lansoprazole plus amoxicillin, no adverse reactions peculiar to these drug combinations were observed. Adverse reactions that have occurred have been limited to those that had been previously reported with Lansoprazole, amoxicillin or clarithromycin.


Triple Therapy

Lansoprazole/amoxicillin/clarithromycin


The most frequently reported adverse reactions for patients who received triple therapy for 14 days were diarrhea (7%), headache (6%) and taste perversion (5%). There were no statistically significant differences in the frequency of reported adverse reactions between the 10- and 14-day triple therapy regimens. No treatment-emergent adverse reactions were observed at significantly higher rates with triple therapy than with any dual therapy regimen.


Dual Therapy

Lansoprazole/amoxicillin


The most frequently reported adverse reactions for patients who received Lansoprazole 3 times daily plus amoxicillin 3 times daily dual therapy were diarrhea (8%) and headache (7%). No treatment-emergent adverse reactions were observed at significantly higher rates with Lansoprazole 3 times daily plus amoxicillin 3 times daily dual therapy than with Lansoprazole alone.


For information on adverse reactions with amoxicillin or clarithromycin, refer to their full prescribing information, ADVERSE REACTIONS sections.



Laboratory Values


The following changes in laboratory parameters in patients who received Lansoprazole were reported as adverse reactions:


Abnormal liver function tests, increased SGOT (AST), increased SGPT (ALT), increased creatinine, increased alkaline phosphatase, increased globulins, increased GGTP, increased/decreased/abnormal WBC, abnormal AG ratio, abnormal RBC, bilirubinemia, blood potassium increased, blood urea increased, crystal urine present, eosinophilia, hemoglobin decreased, hyperlipemia, increased/decreased electrolytes, increased/decreased cholesterol, increased glucocorticoids, increased LDH, increased/decreased/abnormal platelets, increased gastrin levels and positive fecal occult blood. Urine abnormalities such as albuminuria, glycosuria, and hematuria were also reported. Additional isolated laboratory abnormalities were reported.


In the placebo controlled studies, when SGOT (AST) and SGPT (ALT) were evaluated, 0.4% (4/978) and 0.4% (11/2,677) patients, who received placebo and Lansoprazole, respectively, had enzyme elevations greater than 3 times the upper limit of normal range at the final treatment visit. None of these patients who received Lansoprazole reported jaundice at any time during the study.


In clinical trials using combination therapy with Lansoprazole plus amoxicillin and clarithromycin, and Lansoprazole plus amoxicillin, no increased laboratory abnormalities particular to these drug combinations were observed.


For information on laboratory value changes with amoxicillin or clarithromycin, refer to their full prescribing information, ADVERSE REACTIONS sections.



Drug Interactions



Drugs with pH-Dependent Absorption Kinetics


Lansoprazole causes long-lasting inhibition of gastric acid secretion. Lansoprazole and other PPIs are likely to substantially decrease the systemic concentrations of the HIV protease inhibitor atazanavir, which is dependent upon the presence of gastric acid for absorption, and may result in a loss of therapeutic effect of atazanavir and the development of HIV resistance. Therefore, Lansoprazole and other PPIs should not be coadministered with atazanavir. [See Clinical Pharmacology (12.3).]


Lansoprazole and other PPIs may interfere with the absorption of other drugs where gastric pH is an important determinant of oral bioavailability (e.g., ampicillin esters, digoxin, iron salts, ketoconazole). [See Clinical Pharmacology (12.3).] 



Warfarin


In a study of healthy subjects, coadministration of single or multiple 60 mg doses of Lansoprazole and warfarin did not affect the pharmacokinetics of warfarin nor prothrombin time [see Clinical Pharmacology (12.3)]. However, there have been reports of 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. Patients treated with PPIs and warfarin concomitantly may need to be monitored for increases in INR and prothrombin time. [See Clinical Pharmacology (12.3).] 



Tacrolimus


Concomitant administration of Lansoprazole and tacrolimus may increase whole blood levels of tacrolimus, especially in transplant patients who are intermediate or poor metabolizers of CYP2C19.



Theophylline


A minor increase (10%) in the clearance of theophylline was observed following the administration of Lansoprazole concomitantly with theophylline. Although the magnitude of the effect on theophylline clearance is small, individual patients may require additional titration of their theophylline dosage when Lansoprazole is started or stopped to ensure clinically effective blood levels. [See Clinical Pharmacology (12.3).] 



Clopidogrel


Concomitant administration of Lansoprazole and clopidogrel in healthy subjects had no clinically important effect on exposure to the active metabolite of clopidogrel or clopidogrel-induced platelet inhibition [see Clinical Pharmacology (12.3)]. No dose adjustment of clopidogrel is necessary when administered with an approved dose of Lansoprazole.


For information on drug interactions for amoxicillin or clarithromycin, refer to their full prescribing information, DRUG INTERACTIONS sections.



USE IN SPECIFIC POPULATIONS



Pregnancy


Teratogenic effects

Pregnancy Category B


Reproduction studies have been performed in pregnant rats at oral doses up to 40 times the recommended human dose and in pregnant rabbits at oral doses up to 16 times the recommended human dose and have revealed no evidence of impaired fertility or harm to the fetus due to Lansoprazole. There are, however, no adequate or well controlled studies in pregnant women. Because animal reproduction studies are not always predictive of human response, this drug should be used during pregnancy only if clearly needed [see Nonclinical Toxicology (13.2)].


See full prescribing information for clarithromycin before using in pregnant women.



Nursing Mothers


Lansoprazole or its metabolites are excreted in the milk of rats. It is not known whether Lansoprazole is excreted in human milk. Because many drugs are excreted in human milk, because of the potential for serious adverse reactions in nursing infants from Lansoprazole, and because of the potential for tumorigenicity shown for Lansoprazole in rat carcinogenicity studies, a decision should be made whether to discontinue nursing or to discontinue Lansoprazole, taking into account the importance of Lansoprazole to the mother.



Pediatric Use


The safety and effectiveness of Lansoprazole have been established in pediatric patients 1 to 17 years of age for short-term treatment of symptomatic GERD and erosive esophagitis.


One to 11 Years of Age

In an uncontrolled, open-label, U.S. multicenter study, 66 pediatric patients (1 to 11 years of age) with GERD were assigned, based on body weight, to receive an initial dose of either Lansoprazole 15 mg daily if < 30 kg or Lansoprazole 30 mg daily if greater than 30 kg administered for 8 to 12 weeks. The Lansoprazole dose was increased (up to 30 mg twice daily) in 24 of 66 pediatric patients after 2 or more weeks of treatment if they remained symptomatic. At baseline 85% of patients had mild to moderate overall GERD symptoms (assessed by investigator interview), 58% had non-erosive GERD and 42% had erosive esophagitis (assessed by endoscopy).


After 8 to 12 weeks of Lansoprazole treatment, the intent-to-treat analysis demonstrated an approximate 50% reduction in frequency and severity of GERD symptoms.


Twenty-one of 27 erosive esophagitis patients were healed at 8 weeks and 100% of patients were healed at 12 weeks by endoscopy (Table 2).

















Table 2. GERD Symptom Improvement and Erosive Esophagitis Healing Rates in Pediatric Patients Age 1 to 11

*

At Week 8 or Week 12


Symptoms assessed by patients diary kept by caregiver.


No data were available for four pediatric patients.

GERDFinal Visit* % (n/N)
Symptomatic GERD
     Improvement in Overall GERD Symptoms76% (47/62)
Erosive Esophagitis
     Improvement in Overall GERD Symptoms 81% (22/27)
     Healing Rate100% (27/27)

 In a study of 66 pediatric patients in the age group 1 year to 11 years old after treatment with Lansoprazole given orally in doses of 15 mg daily to 30 mg twice daily, increases in serum gastrin levels were similar to those observed in adult studies. Median fasting serum gastrin levels increased 89% from 51 pg/mL at baseline to 97 pg/mL [interquartile range (25th to 75th   percentile) of 71 to 130 pg/mL] at the final visit.


The pediatric safety of Lansoprazole delayed-release capsules has been assessed in 66 pediatric patients aged 1 to 11 years of age. Of the 66 patients with GERD 85% (56/66) took Lansoprazole for 8 weeks and 15% (10/66) took it for 12 weeks.


The most frequently reported (two or more patients) treatment-related adverse reactions in patients 1 to 11 years of age (N = 66) were constipation (5%) and headache (3%).


Twelve to 17 Years of Age

In an uncontrolled, open-label, U.S. multicenter study, 87 adolescent patients (12 to 17 years of age) with symptomatic GERD were treated with Lansoprazole for 8 to 12 weeks. Baseline upper endoscopies classified these patients into two groups: 64 (74%) nonerosive GERD and 23 (26%) erosive esophagitis (EE). The nonerosive GERD patients received Lansoprazole 15 mg daily for 8 weeks and the EE patients received Lansoprazole 30 mg daily for 8 to 12 weeks. At baseline, 89% of these patients had mild to moderate overall GERD symptoms (assessed by investigator interviews). During 8 weeks of Lansoprazole treatment, adolescent patients experienced a 63% reduction in frequency and a 69% reduction in severity of GERD symptoms based on diary results.


Twenty-one of 22 (95.5%) adolescent erosive esophagitis patients were healed after 8 weeks of Lansoprazole treatment. One patient remained unhealed after 12 weeks of treatment (Table 3).





















Table 3. GERD Symptom Improvement and Erosive Esophagitis Healing Rates in Pediatric Patients Age 12 to 17

*

Symptoms assessed by patient diary (parents/caregivers as necessary).


No data available for five patients.


Data from one healed patient was excluded from this analysis due to timing of final endoscopy.

GERDFinal Visit % (n/N)
Symptomatic GERD (All Patients)
     Improvement in Overall GERD Symptoms*73.2% (60/82)
Nonerosive GERD
     Improvement in Overall GERD Symptoms*71.2% (42/59) 
Erosive Esophagitis
     Improvement in Overall GERD Symptoms*78.3% (18/23)
     Healing Rate95.5% (21/22)

 


In these 87 adolescent patients, increases in serum gastrin levels were similar to those observed in adult studies, median fasting serum gastrin levels increased 42% from 45 pg/mL at baseline to 64 pg/mL [interquartile range (25th   to 75th   percentile) of 44 to 88 pg/mL] at the final visit. (Normal serum gastrin levels are 25 to 111 pg/mL).


The safety of Lansoprazole delayed-release capsules has been assessed in these 87 adolescent patients. Of the 87 adolescent patients with GERD, 6% (5/87) took Lansoprazole for less than 6 weeks, 93% (81/87) for 6 to 10 weeks, and 1% (1/87) for greater than 10 weeks.


The most frequently reported (at least 3%) treatment-related adverse reactions in these patients were headache (7%), abdominal pain (5%), nausea (3%) and dizziness (3%). Treatment-related dizziness, reported in this package insert as occurring in less than 1% of adult patients, was reported in this study by three adolescent patients with nonerosive GERD, who had dizziness concurrently with other reactions (such as migraine, dyspnea and vomiting).



Geriatric Use


No dosage adjustment of Lansoprazole is necessary in geriatric patients. The incidence rates of Lansoprazole-associated adverse reactions and laboratory test abnormalities are similar to those seen in younger patients. [See Clinical Pharmacology (12.3).]



Renal Impairment


No dosage adjustment of Lansoprazole is necessary in patients with renal impairment. The pharmacokinetics of Lansoprazole in patients with various degrees of renal impairment were not substantially different compared to those in subjects with normal renal function. [See Clinical Pharmacology (12.3).]



Hepatic Impairment


In patients with various degrees of chronic hepatic impairment, an increase in the mean AUC of up to 500% was observed at steady-state compared to healthy subjects. Consider dose reduction in patients with severe hepatic impairment. [See Clinical Pharmacology (12.3).]



Gender


Over 4,000 women were treated with Lansoprazole. Ulcer healing rates in females were similar to those in males. The incidence rates of adverse reactions in females were similar to those seen in males. [See Clinical Pharmacology (12.3).]



Race


The pooled mean pharmacokinetic parameters of Lansoprazole from 12 U.S. Phase 1 studies (N = 513) were compared to the mean pharmacokinetic parameters from two Asian studies (N = 20). The mean AUCs of Lansoprazole in Asian subjects were approximately twice those seen in pooled U.S. data; however, the inter-individual variability was high. The Cmax values were comparable.


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