FDA-approved label information
Reproduced from the FDA Structured Product Label via the openFDA API. Label version: January 1, 2020.
- Status
- Human Prescription Drug
- Brand names
- Clindagel
- Route
- Topical
Description
DESCRIPTION CLINDAGEL (clindamycin phosphate) topical gel, 1%, a topical antibiotic, contains clindamycin phosphate, USP, at a concentration equivalent to 10 mg clindamycin per gram in a gel vehicle consisting of carbomer 941, methylparaben, polyethylene glycol 400, propylene glycol, purified water, and sodium hydroxide. Chemically, clindamycin phosphate is a water-soluble ester of the semi-synthetic antibiotic produced by a 7 (S)-chlorosubstitution of the 7 (R)-hydroxyl group of the parent antibiotic, lincomycin, and has the structural formula represented below: 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). chemstructure
Indications and usage
CLINICAL STUDIES In one 12-week multicenter, randomized, evaluator-blind, vehicle-controlled, parallel comparison clinical trial in which patients used CLINDAGEL (clindamycin phosphate topical gel, 1%) once daily or the vehicle gel once daily, in the treatment of acne vulgaris of mild to moderate severity, CLINDAGEL applied once daily was more effective than the vehicle applied once daily. The mean percent reductions in lesion counts at the end of treatment in this study are shown in the following table: Lesions CLINDAGEL QD N=162 Vehicle Gel QD N=82 Inflammatory 51% 40% P<0.05 Noninflammatory 25% 12% Total 38% 27% There was a trend in the investigator’s global assessment of the results, which favored CLINDAGEL QD over the vehicle QD. In a contact sensitization study, four of the 200 subjects appeared to develop suggestive evidence of allergic contact sensitization to CLINDAGEL. There was no signal for contact sensitization in the clinical trials under normal use conditions.
Contraindications
CONTRAINDICATIONS CLINDAGEL 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 (older label format)
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. Diarrhea, colitis, and pseudomembranous colitis have been observed to begin up to several weeks following cessation of oral and parenteral therapy with clindamycin.
Adverse reactions
ADVERSE REACTIONS In the one well-controlled clinical study comparing CLINDAGEL and its vehicle, the incidence of skin and appendages adverse events occurring in ≥1% of the patients in either group is presented in the following table: Number (%) of Patients Body System/Adverse Event CLINDAGEL QD N=168 Vehicle Gel QD N=84 Skin and Appendages Disorders Dermatitis 0 (0.0) 1 (1.2) Dermatitis contact 0 (0.0) 1 (1.2) Dermatitis fungal 0 (0.0) 1 (1.2) Folliculitis 0 (0.0) 1 (1.2) Photosensitivity reaction 0 (0.0) 1 (1.2) Pruritus 1 (0.6) 1 (1.2) Rash erythematous 0 (0.0) 0 (0.0) Skin dry 0 (0.0) 0 (0.0) Peeling 1 (0.6) 0 (0.0) 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 and gastrointestinal disturbances, as well as gram-negative folliculitis, have also been reported in association with the use of topical formulations of clindamycin. To report SUSPECTED ADVERSE REACTIONS, contact Bausch Health US, LLC at 1-800-321-4576 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
Overdosage
OVERDOSAGE Topically applied CLINDAGEL may be absorbed in sufficient amounts to produce systemic effects (see WARNINGS ).
Source: US Food and Drug Administration, via the openFDA API. The FDA does not review, endorse or verify third-party reproductions of this data, and label information may have been updated since it was retrieved.
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