Label: CLINDAMYCIN PHOSPHATE- clindamycin phosphate gel usp, 1% gel

  • NDC Code(s): 21922-027-05, 21922-027-07
  • Packager: Encube Ethicals Private Limited
  • Category: HUMAN PRESCRIPTION DRUG LABEL

Drug Label Information

Updated March 25, 2021

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  • DESCRIPTION

    lindamycin phosphate gel USP, 1% contains clindamycin phosphate, USP, at a concentration equivalent to 10 mg clindamycin per gram.


    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 gel contains allantoin, carbomer 934P, methylparaben, polyethylene glycol 400, propylene glycol, purified water and sodium hydroxide.


    The structural formula is represented below:

    structure

    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).

  • CLINICAL PHARMACOLOGY

    Mechanism of Action

    The mechanism of action of clindamycin in treating acne vulgaris is unknown.

    Pharmacokinetics

    Following multiple topical applications of clindamycin phosphate at a concentration equivalent to 10 mg clindamycin per mL in an isopropyl alcohol and water solution, very low levels of clindamycin are present in the serum (0 to 3 ng/mL) and less than 0.2% of the dose is recovered in urine as clindamycin.

    Although clindamycin phosphate is inactive in vitro, rapid i n vivo hydrolysis converts this compound to the antibacterially active clindamycin.

    Microbiology

    Clindamycin inhibits bacterial protein synthesis by binding to the 23S RNA of the 50S subunit of the ribosome. Clindamycin is bacteriostatic.

    Antimicrobial Activity

    Clindamycin is active in vitro against most isolates of Propionibacterium acnes;however, the clinical significance is unknown.

    Resistance

    Resistance to clindamycin is most often caused by modification of specific bases of the 23S ribosomal RNA. Cross-resistance between clindamycin and lincomycin is complete. Because the binding sites for these antibacterial drugs overlap, cross resistance is sometimes observed among lincosamides, macrolides and streptogramin B. Macrolide‑ inducible resistance to clindamycin occurs in some isolates of macrolide-resistant bacteria.

  • INDICATIONS AND USAGE

    Clindamycin phosphate gel, 1% is indicated in the treatment of acne vulgaris. In view of the potential for diarrhea, bloody diarrhea and pseudomembranous colitis, the physician should consider whether other agents are more appropriate (see CONTRAINDICATIONS, WARNINGS and ADVERSE REACTIONS).

  • CONTRAINDICATIONS

    Clindamycin phosphate gel is contraindicated in individuals with a history of hypersensitivity to preparations containing clindamycin or lincomycin, a history of regional enteritis or ulcerative colitis, or a history of antibiotic-associated colitis.

  • WARNINGS

    Orally and parenterally administered clindamycin has been associated with severe colitis which may result in patient death. Use of the topical formulation of clindamycin results in absorption of the antibiotic from the skin surface. Diarrhea, bloody diarrhea, and colitis (including pseudomembranous colitis) have been reported with the use of topical and systemic clindamycin.

    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. Endoscopic examination may reveal pseudomembranous colitis. Stool culture for Clostridium difficile and stool assay for C. difficile toxin may be helpful diagnostically.

    When significant diarrhea occurs, the drug should be discontinued. Large bowel endoscopy should be considered to establish a definitive diagnosis in cases of severe diarrhea.

    Antiperistaltic agents such as opiates and diphenoxylate with atropine may prolong and/or worsen the condition. Vancomycin has been found to be effective in the treatment of antibiotic-associated pseudomembranous colitis produced by Clostridium difficile. The usual adult dosage is 500 milligrams to 2 grams of vancomycin orally per day in three to four divided doses administered for 7 to 10 days. Cholestyramine or colestipol resins bind vancomycin in vitro. If both a resin and vancomycin are to be administered concurrently, it may be advisable to separate the time of administration of each drug.

    Diarrhea, colitis, and pseudomembranous colitis have been observed to begin up to several weeks following cessation of oral and parenteral therapy with clindamycin.

  • PRECAUTIONS

    General

    Clindamycin phosphate gel should be prescribed with caution in atopic individuals.

    Drug Interactions

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

    Pregnancy: Teratogenic effects

    In clinical trials with pregnant women, the systemic administration of clindamycin during the second and third trimesters has not been associated with an increased frequency of congenital abnormalities. There are no adequate studies in pregnant women during the first trimester of pregnancy. Clindamycin should be used during the first trimester of pregnancy only if clearly needed.

    Nursing Mothers

    It is not known whether clindamycin is excreted in breast milk following use of clindamycin phosphate gel. However, orally and parenterally administered clindamycin has been reported to appear in breast milk. Clindamycin has the potential to cause adverse effects on the breast-fed infant's gastrointestinal flora. Monitor the breast-fed infant for possible adverse effects on the gastrointestinal flora, such as diarrhea, candidiasis (thrush, diaper rash) or rarely, blood in the stool indicating possible antibiotic-associated colitis.

    The developmental and health benefits of breastfeeding should be considered along with the mother's clinical need for clindamycin and any potential adverse effects on the breast-fed child from clindamycin or from the underlying maternal condition.

    Clinical Considerations
    If used during lactation and clindamycin phosphate gel is applied to the chest, care should be taken to avoid accidental ingestion by the infant.

    Pediatric Use

    Safety and effectiveness in pediatric patients under the age of 12 have not been established.

    Geriatric Use

    Clinical studies for clindamycin phosphate gel did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects. Other reported clinical experience has not identified differences in responses between the elderly and younger patients.

  • ADVERSE REACTIONS

    In 18 clinical studies of various formulations of clindamycin phosphate using placebo vehicle and/or active comparator drugs as controls, patients experienced a number of treatment emergent adverse dermatologic events [see table below].

    Number of Patients Reporting Events 
     Treatment
    Emergent Adverse Event
     Solution
    n= 553(%)
     Gel
    n= 148(%)
     Lotion
    n= 160 (%)
     Burning 62 (11)15 (10)17 (11)
     Itching 36 ( 7)15 (10)17 (11)
     Burning/Itching 60 (11)# ( – )# ( – )
     Dryness 105 (19)34 (23)29 (18)
     Erythema 86 (16)10 ( 7)22 (14)
     Oiliness/Oily Skin 8 ( 1) 26 (18)12* (10)
     Peeling 61 (11) # ( – )11 ( 7)

    # not recorded
    * of 126 subjects

    Orally and parenterally administered clindamycin has been associated with severe colitis which may end fatally.

    Cases of diarrhea, bloody diarrhea and colitis (including pseudomembranous colitis) have been reported as adverse reactions in patients treated with oral and parenteral formulations of clindamycin and rarely with topical clindamycin (see WARNINGS).

    Abdominal pain, gastrointestinal disturbances, gram-negative folliculitis, eye pain and contact dermatitis have also been reported in association with the use of topical formulations of clindamycin.

  • OVERDOSAGE

    Topically applied clindamycin phosphate can be absorbed in sufficient amounts to produce systemic effects (see WARNINGS).

  • DOSAGE AND ADMINISTRATION

    Apply a thin film of clindamycin phosphate gel USP 1% twice daily to affected area.

    Keep container tightly closed.

  • HOW SUPPLIED

    Clindamycin phosphate gel USP, 1% containing clindamycin phosphate equivalent to 10 mg clindamycin per gram is available in the following sizes:

    60 gram tube - NDC 21922-027-07

    30 gram tube- NDC 21922-027-05

    To report SUSPECTED ADVERSE REACTIONS, contact Encube Ethicals Private Limited at 1-833-285-4151 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

    Store at 20°C to 25°C (68°F to 77°F) [see USP Controlled Room Temperature].

    Protect from freezing.

    Rx only

    Manufactured by:
    Encube Ethicals Pvt. Ltd.
    Plot No. C1, Madkaim Industrial Estate,
    Madkaim, Post: Mardol,
    Ponda, Goa – 403 404,
    India.

    Distributed by:
    Encube Ethicals, Inc.
    200 Meredith Avenue,
    Suite 101A Durham, NC 27713 USA

    Revised: 03/2021

  • PRINCIPAL DISPLAY PANEL -30 GM TUBE PACK

    Clindamycin Phosphate Gel USP, 1% - 30 GM Tube Pack

    Container Label ( 30 GM):


    NDC 21922- 027-05

    Clindamycin Phosphate Gel USP, 1%

    For topical use only

    30 gram

    Rx only

    Store at controlled room temperature 20° to 25°C (68° to 77°F)

    [see USP]. Protect from freezing.

    For external use only. Avoid contact with eyes See crimp of tube for Expiration Date and Lot Number.

    Container Label - 30 gm

    Carton Label ( 30 GM):

    NDC 21922- 027-05

    Clindamycin Phosphate Gel USP, 1%

    For topical use only

    30 gram

    Rx only

    Carton Label - 30 gm

  • PRINCIPAL DISPLAY PANEL -60 GM TUBE PACK

    Clindamycin Phosphate Gel USP, 1% - 60 GM Tube Pack

    Container Label ( 60 GM):


    NDC 21922- 027-07

    Clindamycin Phosphate Gel USP, 1%

    For topical use only

    60 gram

    Rx only

    Store at controlled room temperature 20° to 25°C (68° to 77°F)

    [see USP]. Protect from freezing.

    For external use only. Avoid contact with eyes

    See crimp of tube for Expiration Date and Lot Number.

    Container Label - 60 gm

    Carton Label ( 60 GM):

    NDC 21922- 027-07

    Clindamycin Phosphate Gel USP, 1%

    For topical use only

    60 gram

    Rx only

    Carton Label - 60 gm

  • INGREDIENTS AND APPEARANCE
    CLINDAMYCIN PHOSPHATE 
    clindamycin phosphate gel usp, 1% gel
    Product Information
    Product TypeHUMAN PRESCRIPTION DRUGItem Code (Source)NDC:21922-027
    Route of AdministrationTOPICAL
    Active Ingredient/Active Moiety
    Ingredient NameBasis of StrengthStrength
    CLINDAMYCIN PHOSPHATE (UNII: EH6D7113I8) (CLINDAMYCIN - UNII:3U02EL437C) CLINDAMYCIN PHOSPHATE10 mg  in 1 g
    Inactive Ingredients
    Ingredient NameStrength
    ALLANTOIN (UNII: 344S277G0Z)  
    CARBOMER HOMOPOLYMER TYPE B (ALLYL PENTAERYTHRITOL CROSSLINKED) (UNII: HHT01ZNK31)  
    METHYLPARABEN (UNII: A2I8C7HI9T)  
    POLYETHYLENE GLYCOL 400 (UNII: B697894SGQ)  
    PROPYLENE GLYCOL (UNII: 6DC9Q167V3)  
    SODIUM HYDROXIDE (UNII: 55X04QC32I)  
    WATER (UNII: 059QF0KO0R)  
    Packaging
    #Item CodePackage DescriptionMarketing Start DateMarketing End Date
    1NDC:21922-027-051 in 1 CARTON01/13/2020
    130 g in 1 TUBE; Type 0: Not a Combination Product
    2NDC:21922-027-071 in 1 CARTON01/13/2020
    260 g in 1 TUBE; Type 0: Not a Combination Product
    Marketing Information
    Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
    ANDAANDA21243801/13/2020
    Labeler - Encube Ethicals Private Limited (915834105)
    Registrant - Encube Ethicals Private Limited (915834105)
    Establishment
    NameAddressID/FEIBusiness Operations
    Encube Ethicals Private Limited725076298manufacture(21922-027) , analysis(21922-027) , label(21922-027) , pack(21922-027)