CLINDAMYCIN PHOSPHATE aerosol, foam

Clindamycin Phosphate by

Drug Labeling and Warnings

Clindamycin Phosphate by is a Prescription medication manufactured, distributed, or labeled by Padagis Israel Pharmaceuticals Ltd. Drug facts, warnings, and ingredients follow.

Drug Details [pdf]

  • 1 INDICATIONS AND USAGE

    Clindamycin Phosphate Foam, 1% is indicated for topical application in the treatment of acne vulgaris in patients 12 years and older.

  • 2 DOSAGE AND ADMINISTRATION

    Clindamycin Phosphate Foam, 1% is for topical use only, and not for oral, ophthalmic or intravaginal use.

    Apply Clindamycin Phosphate Foam, 1% once daily to affected areas after the skin is washed with mild soap and allowed to fully dry. Use enough to cover the entire affected area.

    If there has been no improvement after 6 to 8 weeks or if the condition becomes worse, treatment should be discontinued.

    The contents of Clindamycin Phosphate Foam, 1% are flammable; avoid fire, flame and/or smoking during and immediately following application.

  • 3 DOSAGE FORMS AND STRENGTHS

    White to off-white thermolabile foam. Each gram of Clindamycin Phosphate Foam, 1% contains, as dispensed, 12 mg (1.2%) of clindamycin phosphate, equivalent to 10 mg (1%) of clindamycin.

  • 4 CONTRAINDICATIONS

    Clindamycin Phosphate Foam, 1% is contraindicated in individuals with a history of regional enteritis or ulcerative colitis, or a history of antibiotic-associated colitis (including pseudomembranous colitis).

  • 5 WARNINGS AND PRECAUTIONS

    5.1 Colitis

    Systemic absorption of clindamycin has been demonstrated following topical use of this product. Diarrhea, bloody diarrhea, and colitis (including pseudomembranous colitis) have been reported with the use of topical clindamycin. If significant diarrhea occurs, Clindamycin Phosphate Foam, 1% should be discontinued. [See Adverse Reactions (6.2).]

    Severe colitis has occurred following oral or parenteral administration of clindamycin with an onset of up to several weeks following cessation of therapy. Antiperistaltic agents such as opiates and diphenoxylate with atropine may prolong and/or worsen severe colitis. Severe colitis may result in death.

    Studies indicate a toxin(s) produced by Clostridia is one primary cause of antibiotic-associated colitis. The colitis is usually characterized by severe persistent diarrhea and severe abdominal cramps and may be associated with the passage of blood and mucus. Stool cultures for Clostridium difficile and stool assay for C. difficile toxin may be helpful diagnostically.

    5.2 Irritation

    Clindamycin Phosphate Foam, 1% can cause irritation. Concomitant topical acne therapy should be used with caution since a possible cumulative irritancy effect may occur, especially with the use of peeling, desquamating, or abrasive agents. If irritation or dermatitis occurs, clindamycin should be discontinued.

    Avoid contact of Clindamycin Phosphate Foam, 1% with eyes, mouth, lips, other mucous membranes or areas of broken skin. If contact occurs, rinse thoroughly with water.

    Clindamycin Phosphate Foam, 1% should be prescribed with caution in atopic individuals.

  • 6 ADVERSE REACTIONS

    6.1 Clinical Trials Experience

    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.

    A total of 439 subjects with mild to moderate acne vulgaris were treated once daily for 12 weeks with clindamycin phosphate foam, 1%.

    The incidence of adverse reactions occurring in > 1% of the subjects in clinical trials comparing clindamycin phosphate foam, 1% and its vehicle is presented in Table 1.

    Table 1: Adverse Reactions Occurring in ≥ 1% of Subjects

    Adverse Reactions

    Number (%) of Subjects

    Clindamycin Phosphate Foam, 1%

    N = 439

    Vehicle Foam

    N = 154

    Headache

    12 (3%)

    1 (1%)

    Application site burning

    27 (6%)

    14 (9%)

    Application site pruritus

    5 (1%)

    5 (3%)

    Application site dryness

    4 (1%)

    5 (3%)

    Application site reaction, not otherwise specified

    3 (1%)

    4 (3%)

    In a contact sensitization study, none of the 203 subjects developed evidence of allergic contact sensitization to clindamycin phosphate foam, 1%.

    6.2 Postmarketing Experience

    The following adverse reactions have been identified during post approval use of clindamycin phosphate foam, 1%: application site pain, application site erythema, diarrhea, urticaria, abdominal pain, hypersensitivity, rash, abdominal discomfort, nausea, seborrhea, application site rash, dizziness, pain of skin, colitis (including pseudomembranous colitis), and hemorrhagic diarrhea. 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.

    Abdominal pain and gastrointestinal disturbances, as well as gram-negative folliculitis, have also been reported in association with the use of topical formulations of clindamycin. Orally and parenterally administered clindamycin have been associated with severe colitis, which may end fatally.

  • 7 DRUG INTERACTIONS

    7.1 Erythromycin

    Clindamycin Phosphate Foam, 1% should not be used in combination with topical or oral erythromycin-containing products due to possible antagonism to its clindamycin component. In vitro studies have shown antagonism between these two antimicrobials. The clinical significance of this in vitro antagonism is not known.

    7.2 Neuromuscular Blocking Agents

    Clindamycin has been shown to have neuromuscular blocking properties that may enhance the action of other neuromuscular blocking agents. Therefore, Clindamycin Phosphate Foam, 1% should be used with caution in patients receiving such agents.

  • 8 USE IN SPECIFIC POPULATIONS

    8.1 Pregnancy

    Pregnancy Category B: There are no adequate and well-controlled studies in pregnant women treated with clindamycin phosphate foam, 1%. Clindamycin Phosphate Foam, 1% should be used during pregnancy only if the potential benefit clearly outweighs the potential risk to the fetus.

    Reproduction studies have been performed in rats and mice using subcutaneous and oral doses of clindamycin phosphate, clindamycin hydrochloride and clindamycin palmitate hydrochloride. These studies revealed no evidence of fetal harm.

    The highest dose used in the rat and mouse teratogenicity studies was equivalent to a clindamycin phosphate dose of 432 mg/kg. For a rat, this dose is 84 fold higher, and for a mouse 42 fold higher, than the anticipated human dose of clindamycin phosphate from clindamycin phosphate foam, 1% based on a mg/m2 comparison.

    8.3 Nursing Mothers

    It is not known whether clindamycin is excreted in human milk following use of Clindamycin Phosphate Foam, 1%. However, orally and parenterally administered clindamycin has been reported to appear in breast milk. Because of the potential for serious adverse reactions in nursing infants, a decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother.

    If used during lactation and Clindamycin Phosphate Foam, 1% is applied to the chest, care should be taken to avoid accidental ingestion by the infant.

    8.4 Pediatric Use

    Safety and effectiveness of clindamycin phosphate foam, 1% in children under the age of 12 have not been studied.

    8.5 Geriatric Use

    The clinical study with clindamycin phosphate foam, 1% did not include sufficient numbers of subjects aged 65 and over to determine if they respond differently than younger subjects.

  • 11 DESCRIPTION

    Clindamycin Phosphate Foam, 1% contains clindamycin (1%) as clindamycin phosphate.

    Clindamycin phosphate is a water-soluble ester of the semi-synthetic antibiotic produced by a 7(S)-chloro-substitution of the 7(R)-hydroxyl group of the parent antibiotic, lincomycin.

    The chemical name for clindamycin phosphate is methyl 7-chloro-6,7,8-trideoxy-6-(1-methyl-trans-4-propyl-L-2-pyrrolidinecarboxamido)1-thio-L-threo-α-D-galacto- octopyranoside 2-(dihydrogen phosphate). The structural formula for clindamycin phosphate is represented below:

    Image 2

    Clindamycin Phosphate Foam, 1% contains clindamycin (1%) as clindamycin phosphate, at a concentration equivalent to 10 mg clindamycin per gram in a thermolabile hydroethanolic foam vehicle consisting of cetyl alcohol, ethanol (58%), polysorbate 60, propylene glycol, purified water, and stearyl alcohol pressurized with a hydrocarbon (propane/butane) propellant.

  • 12 CLINICAL PHARMACOLOGY

    12.1 Mechanism of Action

    Mechanism of action in acne vulgaris is unknown. [See Microbiology (12.4)]

    12.2 Pharmacodynamics

    Pharmacodynamics of Clindamycin Phosphate Foam, 1% is unknown.

    12.3 Pharmacokinetics

    In an open label, parallel group study in 24 subjects with acne vulgaris, 12 subjects (3 male and 9 female) applied 4 grams of clindamycin phosphate foam, 1% once-daily for five days, and 12 subjects (7 male and 5 female) applied 4 grams of a clindamycin gel, 1%, once daily for five days. On Day 5, the mean Cmax and AUC(0-12) were 23% and 9% lower, respectively, for clindamycin phosphate foam, 1% than for the clindamycin gel, 1%.

    Following multiple applications of clindamycin phosphate foam, 1%, less than 0.024% of the total dose was excreted unchanged in the urine over 12 hours on Day 5.

    12.4 Microbiology

    No microbiology studies were conducted in the clinical trials with this product.

    Clindamycin binds to the 50S ribosomal subunits of susceptible bacteria and prevents elongation of peptide chains by interfering with peptidyl transfer, thereby suppressing protein synthesis. Clindamycin has been shown to have in vitro activity against Propionibacterium acnes (P. acnes), an organism that has been associated with acne vulgaris; however, the clinical significance of this activity against P. acnes was not examined in clinical studies with Clindamycin Phosphate Foam, 1%. P. acnes resistance to clindamycin has been documented.

    Inducible Clindamycin Resistance

    The treatment of acne with antimicrobials is associated with the development of antimicrobial resistance in P. acnes as well as other bacteria (e.g. Staphylococcus aureus, Streptococcus pyogenes). The use of clindamycin may result in developing inducible resistance in these organisms. This resistance is not detected by routine susceptibility testing.

    Cross Resistance

    Resistance to clindamycin is often associated with resistance to erythromycin.

  • 13 NONCLINICAL TOXICOLOGY

    13.1 Carcinogenesis, Mutagenesis, Impairment of Fertility

    The carcinogenicity of a 1.2% clindamycin phosphate gel similar to Clindamycin Phosphate Foam, 1% was evaluated by daily application to mice for two years. The daily doses used in this study were approximately 3 and 15 times higher than the human dose of clindamycin phosphate from 5 milliliters of Clindamycin Phosphate Foam, 1%, assuming complete absorption and based on a body surface area comparison. No significant increase in tumors was noted in the treated animals.

    A 1.2% clindamycin phosphate gel similar to Clindamycin Phosphate Foam, 1% caused a statistically significant shortening of the median time to tumor onset in a study in hairless mice in which tumors were induced by exposure to simulated sunlight.

    Genotoxicity tests performed included a rat micronucleus test and an Ames Salmonella reversion test. Both tests were negative.

    Reproduction studies in rats using oral doses of clindamycin hydrochloride and clindamycin palmitate hydrochloride have revealed no evidence of impaired fertility.

  • 14 CLINICAL STUDIES

    In one multicenter, randomized, double-blind, vehicle-controlled clinical trial, subjects with mild to moderate acne vulgaris used clindamycin phosphate foam, 1% or the vehicle Foam once daily for twelve weeks. Treatment response, defined as the proportion of subjects clear or almost clear, based on the Investigator Static Global Assessment (ISGA), and the mean percent reductions in lesion counts at the end of treatment in this study are shown in Table 2.

    Table 2: Efficacy Results at Week 12

    Efficacy Parameters

    Clindamycin Phosphate Foam, 1%

    N = 386

    Vehicle Foam

    N = 127

    Treatment response (ISGA)

    31%

    18%*

    Percent reduction in lesion counts

    Inflammatory Lesions

    49%

    35%*

    Noninflammatory Lesions

    38%

    27%*

    Total Lesions

    43%

    31%*

    *P<0.05

  • 16 HOW SUPPLIED/STORAGE AND HANDLING

    16.1 How Supplied

    Clindamycin Phosphate Foam, 1% containing clindamycin phosphate equivalent to 10 mg clindamycin per gram, is white to off-white in color and thermolabile.

    It is available in the following sizes:

    • 100 gram aerosol can - NDC 45802-660-33
    • 50 gram aerosol can - NDC 45802-660-32

    16.2 Storage and Handling

    Store at 20-25°C (68-77°F) [see USP controlled room temperature].

    Flammable. Avoid fire, flame or smoking during and immediately following application.

    Contents under pressure. Do not puncture or incinerate. Do not expose to heat or store at temperature above 120°F (49°C).

    Keep out of reach of children.

  • 17 PATIENT COUNSELING INFORMATION

    See FDA-Approved patient labeling (Patient Information).

    17.1 Instructions for Use

    • Patients should be advised to wash their skin with mild soap and allow it to dry before applying Clindamycin Phosphate Foam, 1%.
    • Patients should use enough Clindamycin Phosphate Foam, 1% to cover the face and to apply once daily.
    • Patients should dispense Clindamycin Phosphate Foam, 1% directly into the cap or onto a cool surface.

    Patients should wash their hands after applying Clindamycin Phosphate Foam, 1%.

    17.2 Skin Irritation

    Clindamycin Phosphate Foam, 1% may cause irritation such as erythema, scaling, itching, burning, or stinging. Patients should be advised to discontinue use if excessive irritancy or dermatitis occur.

    17.3 Colitis

    In the event a patient treated with Clindamycin Phosphate Foam, 1% experiences severe diarrhea or gastrointestinal discomfort, Clindamycin Phosphate Foam, 1% should be discontinued and a physician should be contacted.

    Made in Israel

    Manufactured by Perrigo

    Yeruham, Israel

    Distributed by Perrigo

    Allegan, MI 49010

    www.perrigo.com

    Rev 08-19

    4T500 RC J4

    Pharmacist-Detach here and Give Instructions to Patient

  • Patient Information

    Clindamycin Phosphate Foam, 1%

    Important: For skin use only. Do not use Clindamycin Phosphate Foam, 1% in your eyes, mouth or vagina.

    Read the Patient Information that comes with Clindamycin Phosphate Foam, 1% before you start using it and each time you get a refill. There may be new information. This leaflet does not take the place of talking with your doctor about your medical condition or treatment.

    What is Clindamycin Phosphate Foam, 1%?

    Clindamycin Phosphate Foam, 1% is a prescription medicine used on the skin (topical) to treat acne in people 12 years and older.

    It is not known if Clindamycin Phosphate Foam, 1% is safe and effective in children under 12 years of age.

    Who should not use Clindamycin Phosphate Foam, 1%?

    Do not use Clindamycin Phosphate Foam, 1% if you:

    • have Crohn’s disease
    • have ulcerative colitis
    • have had inflammation of the colon (colitis) or severe diarrhea with past antibiotic use

    Tell your doctor if you are not sure if you have any of the conditions listed above.

    What should I tell my doctor before using Clindamycin Phosphate Foam, 1%? Before you use Clindamycin Phosphate Foam, 1%, tell your doctor if you:

    • have a history of eczema
    • are planning to have surgery. Clindamycin Phosphate Foam, 1% may affect how certain medicines work that may be given during surgery.
    • have any other medical conditions
    • are pregnant or planning to become pregnant. It is not known if Clindamycin Phosphate Foam, 1% may harm your unborn baby.
    • are breastfeeding or plan to breastfeed. It is not known if Clindamycin Phosphate Foam, 1% passes through your breast milk.

    You and your doctor should decide if you will use Clindamycin Phosphate Foam, 1% or breastfeed. If you use Clindamycin Phosphate Foam, 1% while breastfeeding and Clindamycin Phosphate Foam, 1% is applied on the chest, take care to avoid getting Clindamycin Phosphate Foam, 1% into your baby’s mouth.

    Tell your doctor about all the medicines you take including prescription and non-prescription medicines, vitamins and herbal supplements. Clindamycin Phosphate Foam, 1% may affect the way other medicines work and other medicines may affect how Clindamycin Phosphate Foam, 1% works.

    Especially tell your doctor if you take erythromycin or use products on your skin that contain erythromycin.

    Know the medicines you take. Keep a list of them to show your doctor and pharmacist when you get a new medicine.

    How should I use Clindamycin Phosphate Foam, 1%?

    • Clindamycin Phosphate Foam, 1% is for use on the skin only. Do not get Clindamycin Phosphate Foam, 1% in your eyes, mouth or vagina.
    • Use Clindamycin Phosphate Foam, 1% exactly as your doctor tells you to use it. See the “Instructions for Applying Clindamycin Phosphate Foam, 1%” below.
    • Apply Clindamycin Phosphate Foam, 1% 1 time a day.
    • Wash your skin with mild soap and water and dry before applying Clindamycin Phosphate Foam, 1%.
    • Do not dispense Clindamycin Phosphate Foam, 1% directly onto your hands or face, because the foam will begin to melt on contact with warm skin.
    Image
    • Wash your hands after applying Clindamycin Phosphate Foam, 1%.

    Throw away any of the unused medicine that you dispensed out of the can.

    What should I avoid while using Clindamycin Phosphate Foam, 1%?

    • Clindamycin Phosphate Foam, 1% is flammable. Avoid fire, flames, or smoking during and right after you apply Clindamycin Phosphate Foam, 1% to your skin.
    • Avoid getting Clindamycin Phosphate Foam, 1% in or near your eyes, mouth, lips, or broken skin. If you get Clindamycin Phosphate Foam, 1% in your eyes, mouth, on lips or broken skin, rinse well with water.

    What are possible side effects with Clindamycin Phosphate Foam, 1%? Clindamycin Phosphate Foam, 1% can cause serious side effects including:

    • Inflammation of the colon (colitis). Clindamycin can cause severe colitis that may lead to death. Stop using Clindamycin Phosphate Foam, 1% and call your doctor right away if you have severe watery diarrhea, or bloody diarrhea.

    The most common side effects of Clindamycin Phosphate Foam, 1% include:

    • Skin irritation. Clindamycin Phosphate Foam, 1% may cause skin irritation such as burning, itching, or dryness. Stop using Clindamycin Phosphate Foam, 1% and talk with your doctor if you develop excessive skin irritation.
    • Headache.

    Tell your doctor if you have any side effect that bothers you or that does not go away.

    These are not all the side effects of Clindamycin Phosphate Foam, 1%. For more information, ask your doctor or pharmacist.

    Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may report side effects to Perrigo at 1-866-634-9120.

    How should I store Clindamycin Phosphate Foam, 1%?

    • Store Clindamycin Phosphate Foam, 1% at room temperature between 68°F to 77°F (20°C to 25°C).
    • Keep Clindamycin Phosphate Foam, 1% away from heat. Never throw the can into a fire, even if the can is empty.
    • Do not store Clindamycin Phosphate Foam, 1% at temperatures above 120°F (49°C).
    • Do not break through (puncture) the Clindamycin Phosphate Foam, 1% can.

    Keep Clindamycin Phosphate Foam, 1% and all medicines out of the reach of children.

    General information about the safe and effective use of Clindamycin Phosphate Foam, 1%:

    Medicines are sometimes prescribed for purposes other than those listed in Patient Information. Do not use Clindamycin Phosphate Foam, 1% for a condition for which it was not prescribed. Do not give Clindamycin Phosphate Foam, 1% to other people, even if they have the same symptoms you have. It may harm them.

    This leaflet summarizes the most important information about Clindamycin Phosphate Foam, 1%. If you would like more information, talk with your doctor. You can also ask your pharmacist or doctor for information about Clindamycin Phosphate Foam, 1% that is written for health professionals.

    What are the ingredients in Clindamycin Phosphate Foam, 1%?

    Active ingredient: clindamycin phosphate

    Inactive ingredients: cetyl alcohol, ethanol (58%), polysorbate 60, propylene glycol, purified water, and stearyl alcohol. The can is pressurized with a hydrocarbon (propane/butane) propellant.

    This Patient Information has been approved by the U.S. Food and Drug Administration.

  • SPL UNCLASSIFIED SECTION

    Made in Israel

    Manufactured by Perrigo

    Yeruham, Israel

    Distributed by Perrigo

    Allegan, MI 49010

    www.perrigo.com

    Rev 08-19

    4T500 RC J4

  • Principal Display Panel - 50 g Carton

    Rx Only

    NDC: 45802-660-32

    Clindamycin Phosphate Foam, 1%

    50g

    carton-06-19

    The following image is a placeholder representing the product identifier that is either affixed or imprinted on the drug package label during the packaging operation.

    serialization-template.jpg
  • INGREDIENTS AND APPEARANCE
    CLINDAMYCIN PHOSPHATE 
    clindamycin phosphate aerosol, foam
    Product Information
    Product TypeHUMAN PRESCRIPTION DRUGItem Code (Source)NDC: 45802-660
    Route of AdministrationTOPICAL
    Active Ingredient/Active Moiety
    Ingredient NameBasis of StrengthStrength
    CLINDAMYCIN PHOSPHATE (UNII: EH6D7113I8) (CLINDAMYCIN - UNII:3U02EL437C) CLINDAMYCIN10 mg  in 1 g
    Inactive Ingredients
    Ingredient NameStrength
    ALCOHOL (UNII: 3K9958V90M)  
    POLYSORBATE 60 (UNII: CAL22UVI4M)  
    PROPYLENE GLYCOL (UNII: 6DC9Q167V3)  
    WATER (UNII: 059QF0KO0R)  
    STEARYL ALCOHOL (UNII: 2KR89I4H1Y)  
    CETYL ALCOHOL (UNII: 936JST6JCN)  
    Product Characteristics
    ColorWHITEScore    
    ShapeSize
    FlavorImprint Code
    Contains    
    Packaging
    #Item CodePackage DescriptionMarketing Start DateMarketing End Date
    1NDC: 45802-660-321 in 1 CARTON03/31/2010
    150 g in 1 CAN; Type 0: Not a Combination Product
    2NDC: 45802-660-331 in 1 CARTON03/31/2010
    2100 g in 1 CAN; Type 0: Not a Combination Product
    Marketing Information
    Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
    ANDAANDA09078503/31/2010
    Labeler - Perrigo New York Inc (078846912)

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