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| Product NDC Code | 0037-0022 | ||||||
|---|---|---|---|---|---|---|---|
| Drug Name | Sfrowasa sulfite-free formulation |
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| Type | Brand | ||||||
| Pharm Class | Aminosalicylate [EPC], Aminosalicylic Acids [CS] |
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| Active Ingredients |
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| Route | RECTAL | ||||||
| Dosage Form | SUSPENSION | ||||||
| RxCUI drug identifier | 206798, 238151 |
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| Application Number | NDA019618 | ||||||
| Labeler Name | Meda Pharmaceuticals Inc. | ||||||
| Packages |
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Overdosage of sfRowasa Sulfite-Free Formulation
Information about signs, symptoms, and laboratory findings of acute ovedosage and the general principles of overdose treatment.OVERDOSAGE Mesalamine absorption from the colon is limited; however, sfROWASA ® (mesalamine) rectal suspension is an aminosalicylate, and symptoms of salicylate toxicity include nausea, vomiting and abdominal pain, tachypnea, hyperpnea, tinnitus, and neurologic symptoms (headache, dizziness, confusion, seizures). Severe salicylate intoxication may lead to electrolyte and blood pH imbalance and potentially to other organ (e.g., renal and liver) involvement. There is no specific antidote for mesalamine overdose. Correct fluid and electrolyte imbalance by the administration of appropriate intravenous therapy and maintain adequate renal function.
Adverse reactions
Information about undesirable effects, reasonably associated with use of the drug, that may occur as part of the pharmacological action of the drug or may be unpredictable in its occurrence. Adverse reactions include those that occur with the drug, and if applicable, with drugs in the same pharmacologically active and chemically related class. There is considerable variation in the listing of adverse reactions. They may be categorized by organ system, by severity of reaction, by frequency, by toxicological mechanism, or by a combination of these.ADVERSE REACTIONS Clinical Adverse Experience **sfROWASA ® (mesalamine) Rectal Suspension is usually well tolerated. Most adverse effects have been mild and transient. ADVERSE REACTIONS OCCURRING IN MORE THAN 0.1% OF **sfROWASA ® (MESALAMINE) RECTAL SUSPENSION TREATED PATIENTS (COMPARISON TO PLACEBO) SYMPTOM **sfROWASA ® N = 815 PLACEBO N = 128 N % N % Abdominal Pain/Cramps/Discomfort 66 8.10 10 7.81 Headache 53 6.50 16 12.50 Gas/Flatulence 50 6.13 5 3.91 Nausea 47 5.77 12 9.38 Flu 43 5.28 1 0.78 Tired/Weak/Malaise/Fatigue 28 3.44 8 6.25 Fever 26 3.19 0 0.00 Rash/Spots 23 2.82 4 3.12 Cold/Sore Throat 19 2.33 9 7.03 Diarrhea 17 2.09 5 3.91 Leg/Joint Pain 17 2.09 1 0.78 Dizziness 15 1.84 3 2.34 Bloating 12 1.47 2 1.56 Back Pain 11 1.35 1 0.78 Pain on Insertion of Enema Tip 11 1.35 1 0.78 Hemorrhoids 11 1.35 0 0.00 Itching 10 1.23 1 0.78 Rectal Pain 10 1.23 0 0.00 Constipation 8 0.98 4 3.12 Hair Loss 7 0.86 0 0.00 Peripheral Edema 5 0.61 11 8.59 UTI/Urinary Burning 5 0.61 4 3.12 Rectal Pain/Soreness/Burning 5 0.61 3 2.34 Asthenia 1 0.12 4 3.12 Insomnia 1 0.12 3 2.34 In addition, the following adverse events have been identified during post-approval use of products which contain (or are metabolized to) mesalamine in clinical practice: nephrotoxicity, pancreatitis, fibrosing alveolitis, elevated liver enzymes, nephrogenic diabetes insipidus, intracranial hypertension and nephrolithiasis. Cases of pancreatitis and fibrosing alveolitis have been reported as manifestations of inflammatory bowel disease as well. Published case reports and/or spontaneous post marketing surveillance have described rare instances of aplastic anemia, agranulocytosis, thrombocytopenia, eosinophilia, pancytopenia, neutropenia, oligospermia, and infertility in men. Anemia, leukocytosis, and thrombocytosis can be part of the clinical presentation of inflammatory bowel disease. Postmarketing cases of severe cutaneous adverse reactions (SJS/TEN, DRESS, and AGEP) and pleurisy/pleuritis have been reported. Hair Loss Mild hair loss characterized by “more hair in the comb” but no withdrawal from clinical trials has been observed in 7 of 815 mesalamine patients but none of the placebo-treated patients. In the literature there are at least six additional patients with mild hair loss who received either mesalamine or sulfasalazine. Retreatment is not always associated with repeated hair loss. Postmarketing Experience The following adverse reactions have been identified during post-approval use of mesalamine. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. Renal Disorders • Urine discoloration occurring ex-vivo caused by contact of mesalamine including inactive metabolite, with surfaces or water treated with hypochlorite-containing bleach (see PRECAUTIONS: Information for Patients ).
sfRowasa Sulfite-Free Formulation Drug Interactions
Information about and practical guidance on preventing clinically significant drug/drug and drug/food interactions that may occur in people taking the drug.Drug Interactions Nephrotoxic Agents, Including Non-Steroidal Anti-Inflammatory Drugs The concurrent use of mesalamine with known nephrotoxic agents, including non-steroidal anti-inflammatory drugs (NSAIDs), may increase the risk of nephrotoxicity. Monitor patients taking nephrotoxic drugs for changes in renal function and mesalamine-related adverse reactions. Azathioprine or 6-Mercaptopurine The concurrent use of mesalamine with azathioprine or 6-mercaptopurine and/or any other drugs known to cause myelotoxicity may increase the risk for blood disorders, bone marrow failure, and associated complications. If concomitant use of sfROWASA ® (mesalamine) rectal suspension and azathioprine or 6-mercaptopurine cannot be avoided, monitor blood tests, including complete blood cell counts and platelet counts.
Clinical pharmacology
Information about the clinical pharmacology and actions of the drug in humans.CLINICAL PHARMACOLOGY Sulfasalazine is split by bacterial action in the colon into sulfapyridine (SP) and mesalamine (5-ASA). It is thought that the mesalamine component is therapeutically active in ulcerative colitis [A.K. Azad Khan et al, Lancet 2:892-895 (1977)]. The usual oral dose of sulfasalazine for active ulcerative colitis in adults is two to four grams per day in divided doses. Four grams of sulfasalazine provide 1.6 g of free mesalamine to the colon. Each sfROWASA ® (mesalamine) Rectal Suspension delivers up to 4 g of mesalamine to the left side of the colon. The mechanism of action of mesalamine (and sulfasalazine) is not fully understood, but appears to be a topical anti-inflammatory effect on colonic epithelial cells. Mucosal production of arachidonic acid (AA) metabolites, both through the cyclooxygenase pathways, i.e., prostanoids, and through the lipoxygenase pathways, i.e., leukotrienes (LTs) and hydroxyeicosatetraenoic acids (HETEs) is increased in patients with ulcerative colitis, and it is possible that mesalamine diminishes inflammation by blocking cyclooxygenase and inhibiting prostaglandin (PG) production in the colon. Preclinical Toxicology Preclinical studies have shown the kidney to be the major target organ for mesalamine toxicity. Adverse renal function changes were observed in rats after a single 600 mg/kg oral dose, but not after a 200 mg/kg dose. Gross kidney lesions, including papillary necrosis, were observed after a single oral > 900 mg/kg dose, and after I.V. doses of > 214 mg/kg. Mice responded similarly. In a 13-week oral (gavage) dose study in rats, the high dose of 640 mg/kg/day mesalamine caused deaths, probably due to renal failure, and dose-related renal lesions (papillary necrosis and/or multifocal tubular injury) were seen in most rats given the high dose (males and females) as well as in males receiving lower doses 160 mg/kg/day. Renal lesions were not observed in the 160 mg/kg/day female rats. Minimal tubular epithelial damage was seen in the 40 mg/kg/day males and was reversible. In a six-month oral study in dogs, the no-observable dose level of mesalamine was 40 mg/kg/day and doses of 80 mg/kg/day and higher caused renal pathology similar to that described for the rat. In a combined 52-week toxicity and 127-week carcinogenicity study in rats, degeneration in kidneys was observed at doses of 100 mg/kg/day and above admixed with diet for 52 weeks, and at 127 weeks increased incidence of kidney degeneration and hyalinization of basement membranes and Bowman's capsule were seen at 100 mg/kg/day and above. In the 12-month eye toxicity study in dogs, Keratoconjunctivitis Sicca (KCS) occurred at oral doses of 40 mg/kg/day and above. The oral preclinical studies were done with a highly bioavailable suspension where absorption throughout the gastrointestinal tract occurred. The human dose of 4 grams represents approximately 80 mg/kg but when mesalamine is given rectally as a suspension, absorption is poor and limited to the distal colon (see Pharmacokinetics ). Overt renal toxicity has not been observed (see ADVERSE REACTIONS and PRECAUTIONS ), but the potential must be considered. Pharmacokinetics Mesalamine administered rectally is poorly absorbed from the colon and is excreted principally in the feces during subsequent bowel movements. The extent of absorption is dependent upon the retention time of the drug product, and there is considerable individual variation. At steady state, approximately 10 to 30% of the daily 4-gram dose can be recovered in cumulative 24-hour urine collections. Other than the kidney, the organ distribution and other bioavailability characteristics of absorbed mesalamine in man are not known. It is known that the compound undergoes acetylation but whether this process takes place at colonic or systemic sites has not been elucidated. Whatever the metabolic site, most of the absorbed mesalamine is excreted in the urine as the N-acetyl-5-ASA metabolite. The poor colonic absorption of rectally administered mesalamine is substantiated by the low serum concentration of 5-ASA and N-acetyl-5-ASA seen in ulcerative colitis patients after dosage with mesalamine. Under clinical conditions patients demonstrated plasma levels 10 to 12 hours post mesalamine administration of 2 µg/mL, about two-thirds of which was the N-acetyl metabolite. While the elimination half-life of mesalamine is short (0.5 to 1.5 h), the acetylated metabolite exhibits a half-life of 5 to 10 hours [U. Klotz, Clin. Pharmacokin . 10:285-302 (1985)]. In addition, steady state plasma levels demonstrated a lack of accumulation of either free or metabolized drug during repeated daily administrations. Efficacy In a placebo-controlled, international, multicenter trial of 153 patients with active distal ulcerative colitis, proctosigmoiditis or proctitis, **sfROWASA ® (mesalamine) Rectal Suspension reduced the overall disease activity index (DAI) and individual components as follows: EFFECT OF TREATMENT ON SEVERITY OF DISEASE DATA FROM U.S.-CANADA TRIAL COMBINED RESULTS OF EIGHT CENTERS Activity Indices, mean Each parameter has a 4-point scale with a numerical rating: 0 = normal, 1 = mild, 2 = moderate, 3 = severe. The four parameters are added together to produce a maximum overall DAI of 12. N Baseline Day 22 End Point Change Baseline to End Point Percent change for overall DAI only (calculated by taking the average of the change for each individual patient). Overall DAI **sfROWASA ® Placebo 76 77 7.42 7.40 4.05 Significant ** sfROWASA ® /placebo difference. p < 0.01 6.03 3.37 Significant ** sfROWASA ® /placebo difference. p < 0.001 5.83 -55.07% -21.58% Stool Frequency **sfROWASA ® Placebo 1.58 1.92 1.11 Significant ** sfROWASA ® /placebo difference. p < 0.05 1.47 1.01 1.50 -0.57 -0.41 Rectal Bleeding **sfROWASA ® Placebo 1.82 1.73 0.59 1.21 0.51 1.11 -1.30 -0.61 Mucosal Inflammation **sfROWASA ® Placebo 2.17 2.18 1.22 1.74 0.96 1.61 -1.21 -0.56 Physician’s Assessment of Disease Severity **sfROWASA ® Placebo 1.86 1.87 1.13 1.62 0.88 1.55 -0.97 -0.30 Differences between ** sfROWASA ® (mesalamine) Rectal Suspension and placebo were also statistically different in subgroups of patients on concurrent sulfasalazine and in those having an upper disease boundary between 5 and 20 or 20 and 40 cm. Significant differences between ** sfROWASA ® (mesalamine) Rectal Suspension and placebo were not achieved in those subgroups of patients on concurrent prednisone or with an upper disease boundary between 40 and 50 cm.
| Each parameter has a 4-point scale with a numerical rating: 0 = normal, 1 = mild, 2 = moderate, 3 = severe. The four parameters are added together to produce a maximum overall DAI of 12. | ||||||
Pharmacokinetics
Information about the clinically significant pharmacokinetics of a drug or active metabolites, for instance pertinent absorption, distribution, metabolism, and excretion parameters.Pharmacokinetics Mesalamine administered rectally is poorly absorbed from the colon and is excreted principally in the feces during subsequent bowel movements. The extent of absorption is dependent upon the retention time of the drug product, and there is considerable individual variation. At steady state, approximately 10 to 30% of the daily 4-gram dose can be recovered in cumulative 24-hour urine collections. Other than the kidney, the organ distribution and other bioavailability characteristics of absorbed mesalamine in man are not known. It is known that the compound undergoes acetylation but whether this process takes place at colonic or systemic sites has not been elucidated. Whatever the metabolic site, most of the absorbed mesalamine is excreted in the urine as the N-acetyl-5-ASA metabolite. The poor colonic absorption of rectally administered mesalamine is substantiated by the low serum concentration of 5-ASA and N-acetyl-5-ASA seen in ulcerative colitis patients after dosage with mesalamine. Under clinical conditions patients demonstrated plasma levels 10 to 12 hours post mesalamine administration of 2 µg/mL, about two-thirds of which was the N-acetyl metabolite. While the elimination half-life of mesalamine is short (0.5 to 1.5 h), the acetylated metabolite exhibits a half-life of 5 to 10 hours [U. Klotz, Clin. Pharmacokin . 10:285-302 (1985)]. In addition, steady state plasma levels demonstrated a lack of accumulation of either free or metabolized drug during repeated daily administrations.
Contraindications
Information about situations in which the drug product is contraindicated or should not be used because the risk of use clearly outweighs any possible benefit, including the type and nature of reactions that have been reported.CONTRAINDICATIONS sfROWASA ® (mesalamine) Rectal Suspension is contraindicated in patients with known or suspected hypersensitivity to salicylates, aminosalicylates, sulfites or any other component of this medication.
Description
General information about the drug product, including the proprietary and established name of the drug, the type of dosage form and route of administration to which the label applies, qualitative and quantitative ingredient information, the pharmacologic or therapeutic class of the drug, and the chemical name and structural formula of the drug.DESCRIPTION The active ingredient in sfROWASA ® (mesalamine) Rectal Suspension, a disposable (60 mL) unit, is mesalamine, also known as 5-aminosalicylic acid (5-ASA). Chemically, mesalamine is 5-amino-2-hydroxybenzoic acid. The empirical formula is C 7 H 7 NO 3 , representing a molecular weight of 153.14. The structural formula is: Each rectal suspension unit contains 4 grams of mesalamine. In addition to mesalamine the preparation contains the inactive ingredients carbomer 934P, edetate disodium, potassium acetate, purified water, sodium benzoate, and xanthan gum. Sodium benzoate is added as a preservative. The disposable unit consists of an applicator tip protected by a polyethylene cover and lubricated with USP white petrolatum. The unit has a one-way valve to prevent back flow of the dispensed product. Mesalamine Chemical Structure
Dosage and administration
Information about the drug product’s dosage and administration recommendations, including starting dose, dose range, titration regimens, and any other clinically sigificant information that affects dosing recommendations.DOSAGE AND ADMINISTRATION The recommended adult dosage of sfROWASA ® (mesalamine) Rectal Suspension in 60 mL units is one rectal instillation (4 grams) once a day, preferably at bedtime, and retained for approximately eight hours. While the effect of sfROWASA ® (mesalamine) Rectal Suspension may be seen within 3 to 21 days, the usual course of therapy would be from 3 to 6 weeks depending on symptoms and sigmoidoscopic findings. Studies available to date have not assessed if sfROWASA ® (mesalamine) Rectal Suspension will modify relapse rates after the 6-week short-term treatment. sfROWASA ® (mesalamine) Rectal Suspension is for rectal use only. Drink an adequate amount of fluids during treatment. Patients should be instructed to shake the bottle well to make sure the suspension is homogeneous. The patient should remove the protective sheath from the applicator tip. Holding the bottle at the neck will not cause any of the medication to be discharged. The position most often used is obtained by lying on the left side (to facilitate migration into the sigmoid colon); with the lower leg extended and the upper right leg flexed forward for balance. An alternative is the knee-chest position. The applicator tip should be gently inserted in the rectum pointing toward the umbilicus. A steady squeezing of the bottle will discharge most of the preparation. The preparation should be taken at bedtime with the objective of retaining it all night. Patient instructions are included with every seven units.
Indications and usage
A statement of each of the drug products indications for use, such as for the treatment, prevention, mitigation, cure, or diagnosis of a disease or condition, or of a manifestation of a recognized disease or condition, or for the relief of symptoms associated with a recognized disease or condition. This field may also describe any relevant limitations of use.INDICATIONS AND USAGE sfROWASA ® (mesalamine) Rectal Suspension is indicated for the treatment of active mild to moderate distal ulcerative colitis, proctosigmoiditis or proctitis in adults.
Spl product data elements
Usually a list of ingredients in a drug product.sfRowasa Sulfite-Free Formulation mesalamine MESALAMINE MESALAMINE CARBOMER HOMOPOLYMER TYPE B (ALLYL PENTAERYTHRITOL OR ALLYL SUCROSE CROSSLINKED) EDETATE DISODIUM POTASSIUM ACETATE WATER SODIUM BENZOATE XANTHAN GUM
Carcinogenesis and mutagenesis and impairment of fertility
Information about carcinogenic, mutagenic, or fertility impairment potential revealed by studies in animals. Information from human data about such potential is part of the warnings field.Carcinogenesis, Mutagenesis, Impairment of Fertility Mesalamine caused no increase in the incidence of neoplastic lesions over controls in a 2-year study of Wistar rats fed up to 320 mg/kg/day of mesalamine admixed with diet. Mesalamine is not mutagenic to Salmonella typhimurium tester strains TA98, TA100, TA1535, TA1537, TA1538. There were no reverse mutations in an assay using E. coli strain WP2UVRA. There were no effects in an in vivo mouse micronucleus assay at 600 mg/kg and in an in vivo sister chromatid exchange at doses up to 610 mg/kg. No effects on fertility were observed in rats receiving up to 320 mg/kg/day. The oligospermia and infertility in men associated with sulfasalazine has very rarely been reported among patients treated with mesalamine.
Nonclinical toxicology
Information about toxicology in non-human subjects.Preclinical Toxicology Preclinical studies have shown the kidney to be the major target organ for mesalamine toxicity. Adverse renal function changes were observed in rats after a single 600 mg/kg oral dose, but not after a 200 mg/kg dose. Gross kidney lesions, including papillary necrosis, were observed after a single oral > 900 mg/kg dose, and after I.V. doses of > 214 mg/kg. Mice responded similarly. In a 13-week oral (gavage) dose study in rats, the high dose of 640 mg/kg/day mesalamine caused deaths, probably due to renal failure, and dose-related renal lesions (papillary necrosis and/or multifocal tubular injury) were seen in most rats given the high dose (males and females) as well as in males receiving lower doses 160 mg/kg/day. Renal lesions were not observed in the 160 mg/kg/day female rats. Minimal tubular epithelial damage was seen in the 40 mg/kg/day males and was reversible. In a six-month oral study in dogs, the no-observable dose level of mesalamine was 40 mg/kg/day and doses of 80 mg/kg/day and higher caused renal pathology similar to that described for the rat. In a combined 52-week toxicity and 127-week carcinogenicity study in rats, degeneration in kidneys was observed at doses of 100 mg/kg/day and above admixed with diet for 52 weeks, and at 127 weeks increased incidence of kidney degeneration and hyalinization of basement membranes and Bowman's capsule were seen at 100 mg/kg/day and above. In the 12-month eye toxicity study in dogs, Keratoconjunctivitis Sicca (KCS) occurred at oral doses of 40 mg/kg/day and above. The oral preclinical studies were done with a highly bioavailable suspension where absorption throughout the gastrointestinal tract occurred. The human dose of 4 grams represents approximately 80 mg/kg but when mesalamine is given rectally as a suspension, absorption is poor and limited to the distal colon (see Pharmacokinetics ). Overt renal toxicity has not been observed (see ADVERSE REACTIONS and PRECAUTIONS ), but the potential must be considered.
Package label principal display panel
The content of the principal display panel of the product package, usually including the product’s name, dosage forms, and other key information about the drug product.PRINCIPAL DISPLAY PANEL – 60 mL Printed Bottle NDC 0037-0022-07 7 X 60 mL Unit-Dose Bottles 7 pack SF Rowasa ® (mesalamine) Rectal Suspension Enema, 4.0g/60mL Sulfite-Free Formulation For Rectal Use Only Rx Only Each disposable unit contains: Mesalamine (5-aminosalicylic acid)……..….4 grams in suspension containing carbomer 934P, edetate disodium, potassium acetate purified water, sodium benzoate, and xanthan gum. USUAL DOSE: One unit-dose suspension in the evenings before going to bed. See package insert for complete prescribing information including usual dose. See enclosed directions for use. Use as directed by your physician. KEEP THIS AND ANY MEDICATION OUT OF REACH OF CHILDREN. SHAKE WELL BEFORE USING. FOIL WRAP PROTECTS PRODUCT FROM DISCOLORATION. DO NOT REMOVE PRODUCT FROM FOIL WRAP UNTIL READY TO USE. Once the foil-wrapped unit of seven bottles is opened, any bottles remaining after 14 days should be discarded. Product contents may darken with time. NOTE: product contents will cause staining of most direct contact surfaces. Store at controlled room temperature 20° to 25°C (68° to 77°F); brief excursions permitted 15° to 30°C (59° to 86°F) [See USP]. Dispensed in original foil-wrapped package. For medical inquiries, call toll-free 1-866-210-5950. SHAKE WELL BEFORE USING Distributed by: MEDA PHARMACEUTICALS ® Canonsburg, PA 15317 U.S.A. © 2023 Viatris Inc. UC-003207-04 Rev. 10/2023 SF Rowasa Rectal Suspension Carton Label
sfRowasa Sulfite-Free Formulation: Information for patients
Information necessary for patients to use the drug safely and effectively, such as precautions concerning driving or the concomitant use of other substances that may have harmful additive effects.Information for Patients Urine Discoloration Advise patients that urine may become discolored reddish-brown while taking sfROWASA ® (mesalamine) rectal suspension when it comes in contact with surfaces or water treated with hypochlorite-containing bleach. If discolored urine is observed, advise patients to observe their urine flow. Report to the healthcare provider only if urine is discolored on leaving the body, before contact with any surface or water (e.g., in the toilet).
Instructions for use
Information about safe handling and use of the drug product.PATIENT INSTRUCTIONS How to Use this Medication. Best results are achieved if the bowel is emptied immediately before the medication is given. Use as prescribed by your physician. Do not consume the Oxygen Scavenger Pack included in the foil pouch. NOTE: sfROWASA ® (mesalamine) Rectal Suspension will cause staining of direct contact surfaces, including but not limited to fabrics, flooring, painted surfaces, marble, granite, vinyl, and enamel. Take care in choosing a suitable location for administration of this product. 1. Remove the Bottles a. Remove the bottles from the protective foil pouch by tearing or by using scissors as shown, being careful not to squeeze or puncture bottles. sfROWASA ® (mesalamine) Rectal Suspension is an off-white to tan colored suspension. Once the foil-wrapped unit of seven bottles is opened, any bottles remaining after 14 days should be discarded. Contents of products removed from the foil pouch may darken with time. Slight darkening will not affect potency, however, product with dark brown contents should be discarded. 2. Prepare the Medication for Administration a. Shake the bottle well to make sure that the medication is thoroughly mixed. b. Remove the protective sheath from the applicator tip. Hold the bottle at the neck so as not to cause any of the medication to be discharged. 3. Assume the Correct Body Position a. Best results are obtained by lying on the left side with the left leg extended and the right leg flexed forward for balance. b. An alternative to lying on the left side is the “knee-chest” position as shown here. 4. Administer the Medication a. Gently insert the lubricated applicator tip into the rectum to prevent damage to the rectal wall, pointed slightly toward the navel. b. Grasp the bottle firmly, then tilt slightly so that the nozzle is aimed toward the back, squeeze slowly to instill the medication. Steady hand pressure will discharge most of the medication. After administering, withdraw and discard the bottle. c. Remain in position for at least 30 minutes to allow thorough distribution of the medication internally. Retain the medication all night, if possible. R x Only Distributed by: MEDA PHARMACEUTICALS ® Canonsburg, PA 15317 U.S.A. ©2023 Viatris Inc. U.S. Patent No. 7,645,801 SFROWASA is a registered trademark of Alaven Pharmaceutical LLC, a Viatris Company. IN-003260-07 Rev. 10/2023 For Medical Inquiries, Call Toll Free: 1-866-210-5950 Step 1.a. Step 2.b. Step 3.a. Step 3.b. Step 4.b.
Nursing mothers
Information about excretion of the drug in human milk and effects on the nursing infant, including pertinent adverse effects observed in animal offspring.Nursing Mothers It is not known whether mesalamine or its metabolite(s) are excreted in human milk. As a general rule, nursing should not be undertaken while a patient is on a drug since many drugs are excreted in human milk.
Pediatric use
Information about any limitations on any pediatric indications, needs for specific monitoring, hazards associated with use of the drug in any subsets of the pediatric population (such as neonates, infants, children, or adolescents), differences between pediatric and adult responses to the drug, and other information related to the safe and effective pediatric use of the drug.Pediatric Use Safety and effectiveness in pediatric patients have not been established. To report SUSPECTED ADVERSE REACTIONS, contact Meda Pharmaceuticals Inc. at 1-866-210-5949 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
Pregnancy
Information about effects the drug may have on pregnant women or on a fetus. This field may be ommitted if the drug is not absorbed systemically and the drug is not known to have a potential for indirect harm to the fetus. It may contain information about the established pregnancy category classification for the drug. (That information is nominally listed in the teratogenic_effects field, but may be listed here instead.)Pregnancy Teratologic studies have been performed in rats and rabbits at oral doses up to five and eight times respectively, the maximum recommended human dose, and have revealed no evidence of harm to the embryo or the fetus. There are, however, no adequate and well-controlled studies in pregnant women for either sulfasalazine or 5-ASA. Because animal reproduction studies are not always predictive of human response, 5-ASA should be used during pregnancy only if clearly needed.
How supplied
Information about the available dosage forms to which the labeling applies, and for which the manufacturer or distributor is responsible. This field ordinarily includes the strength of the dosage form (in metric units), the units in which the dosage form is available for prescribing, appropriate information to facilitate identification of the dosage forms (such as shape, color, coating, scoring, and National Drug Code), and special handling and storage condition information.HOW SUPPLIED sfROWASA ® (mesalamine) Rectal Suspension for rectal administration is an off-white to tan colored suspension. Each disposable enema bottle contains 4.0 grams of mesalamine in 60 mL aqueous suspension. Bottles are supplied in boxed, foil-wrapped trays as follows: NDC 0037-0022-60……… Sample – 1 bottle NDC 0037-0022-07……… Carton of 7 Bottles NDC 0037-0022-14……… Carton of 14 Bottles NDC 0037-0022-28……… Carton of 28 Bottles sfROWASA ® (mesalamine) Rectal Suspension are for rectal use only. KEEP OUT OF REACH OF CHILDREN Patient instructions are included. Storage Store at controlled room temperature 20° to 25°C (68° to 77°F); excursions permitted, please refer to current USP. Once the foil-wrapped unit of seven bottles is opened, all enemas should be used promptly as directed by your physician. Contents of enemas removed from the foil pouch may darken with time. Slight darkening will not affect potency, however, enemas with dark brown contents should be discarded. ** Clinical studies were performed using ROWASA ® (mesalamine) Rectal Suspension Enema, 4g/60mL, the original formulation, which contains the ingredient potassium metabisulfite. NOTE: sfROWASA ® (mesalamine) Rectal Suspension will cause staining of direct contact surfaces, including but not limited to fabrics, flooring, painted surfaces, marble, granite, vinyl, and enamel. Take care in choosing a suitable location for administration of this product.
Storage and handling
Information about safe storage and handling of the drug product.Storage Store at controlled room temperature 20° to 25°C (68° to 77°F); excursions permitted, please refer to current USP. Once the foil-wrapped unit of seven bottles is opened, all enemas should be used promptly as directed by your physician. Contents of enemas removed from the foil pouch may darken with time. Slight darkening will not affect potency, however, enemas with dark brown contents should be discarded. ** Clinical studies were performed using ROWASA ® (mesalamine) Rectal Suspension Enema, 4g/60mL, the original formulation, which contains the ingredient potassium metabisulfite. NOTE: sfROWASA ® (mesalamine) Rectal Suspension will cause staining of direct contact surfaces, including but not limited to fabrics, flooring, painted surfaces, marble, granite, vinyl, and enamel. Take care in choosing a suitable location for administration of this product.
Precautions
Information about any special care to be exercised for safe and effective use of the drug.PRECAUTIONS Hepatic Failure There have been reports of hepatic failure in patients with pre-existing liver disease who have been administered other products containing mesalamine. Evaluate the risks and benefits of using sfROWASA ® (mesalamine) rectal suspension in patients with known liver impairment. Severe Cutaneous Adverse Reactions Severe cutaneous adverse reactions, including Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN), drug reaction with eosinophilia and systemic symptoms (DRESS), and acute generalized exanthematous pustulosis (AGEP) have been reported with the use of mesalamine (see ADVERSE REACTIONS ). Discontinue sfROWASA ® (mesalamine) rectal suspension at the first signs or symptoms of severe cutaneous adverse reactions or other signs of hypersensitivity and consider further evaluation. Photosensitivity Patients with pre-existing skin conditions such as atopic dermatitis and atopic eczema have reported more severe photosensitivity reactions. Advise patients to avoid sun exposure, wear protective clothing, and use a broad-spectrum sunscreen when outdoors. Nephrolithiasis Cases of nephrolithiasis have been reported with the use of mesalamine, including stones with 100% mesalamine content. Mesalamine-containing stones are radiotransparent and undetectable by standard radiography or computed tomography (CT). Ensure adequate hydration during treatment. Information for Patients Urine Discoloration Advise patients that urine may become discolored reddish-brown while taking sfROWASA ® (mesalamine) rectal suspension when it comes in contact with surfaces or water treated with hypochlorite-containing bleach. If discolored urine is observed, advise patients to observe their urine flow. Report to the healthcare provider only if urine is discolored on leaving the body, before contact with any surface or water (e.g., in the toilet). Interference with Laboratory Tests Use of mesalamine may lead to spuriously elevated test results when measuring urinary normetanephrine by liquid chromatography with electrochemical detection because of the similarity in the chromatograms of normetanephrine and mesalamine’s main metabolite, N-acetyl-5-aminosalicylic acid (N-Ac-5-ASA). Consider an alternative, selective assay for normetanephrine. Drug Interactions Nephrotoxic Agents, Including Non-Steroidal Anti-Inflammatory Drugs The concurrent use of mesalamine with known nephrotoxic agents, including non-steroidal anti-inflammatory drugs (NSAIDs), may increase the risk of nephrotoxicity. Monitor patients taking nephrotoxic drugs for changes in renal function and mesalamine-related adverse reactions. Azathioprine or 6-Mercaptopurine The concurrent use of mesalamine with azathioprine or 6-mercaptopurine and/or any other drugs known to cause myelotoxicity may increase the risk for blood disorders, bone marrow failure, and associated complications. If concomitant use of sfROWASA ® (mesalamine) rectal suspension and azathioprine or 6-mercaptopurine cannot be avoided, monitor blood tests, including complete blood cell counts and platelet counts. Carcinogenesis, Mutagenesis, Impairment of Fertility Mesalamine caused no increase in the incidence of neoplastic lesions over controls in a 2-year study of Wistar rats fed up to 320 mg/kg/day of mesalamine admixed with diet. Mesalamine is not mutagenic to Salmonella typhimurium tester strains TA98, TA100, TA1535, TA1537, TA1538. There were no reverse mutations in an assay using E. coli strain WP2UVRA. There were no effects in an in vivo mouse micronucleus assay at 600 mg/kg and in an in vivo sister chromatid exchange at doses up to 610 mg/kg. No effects on fertility were observed in rats receiving up to 320 mg/kg/day. The oligospermia and infertility in men associated with sulfasalazine has very rarely been reported among patients treated with mesalamine. Pregnancy Teratologic studies have been performed in rats and rabbits at oral doses up to five and eight times respectively, the maximum recommended human dose, and have revealed no evidence of harm to the embryo or the fetus. There are, however, no adequate and well-controlled studies in pregnant women for either sulfasalazine or 5-ASA. Because animal reproduction studies are not always predictive of human response, 5-ASA should be used during pregnancy only if clearly needed. Nursing Mothers It is not known whether mesalamine or its metabolite(s) are excreted in human milk. As a general rule, nursing should not be undertaken while a patient is on a drug since many drugs are excreted in human milk. Pediatric Use Safety and effectiveness in pediatric patients have not been established. To report SUSPECTED ADVERSE REACTIONS, contact Meda Pharmaceuticals Inc. at 1-866-210-5949 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
Disclaimer: Do not rely on openFDA or Phanrmacy Near Me to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated. Source: OpenFDA, Healthporta Drugs API