Overview
11 DESCRIPTION Clindamycin Phosphate and Benzoyl Peroxide Gel, 1.2%/5% is a fixed combination product with two active ingredients in a white, opaque, aqueous gel formulation. 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.
Mechanism of Action
12 CLINICAL PHARMACOLOGY 12.1 Mechanism of Action Clindamycin : Clindamycin is a lincosamide antibacterial [ see Clinical Pharmacology ( 12.4 ) ]. Benzoyl Peroxide : Benzoyl peroxide is an oxidizing agent with bacteriocidal and keratolytic effects, but the precise mechanism of action is unknown. 12.3 Pharmacokinetics A comparative trial of the pharmacokinetics of clindamycin phosphate and benzoyl peroxide gel, 1.2%/5% and 1% clindamycin solution alone in 78 subjects indicated that mean plasma clindamycin levels during the 4-week dosing period were less than 0.5 ng/mL for both treatment groups. Benzoyl peroxide has been shown to be absorbed by the skin where it is converted to benzoic acid. Less than 2% of the dose enters systemic circulation as benzoic acid. 12.
Indications
- 1 INDICATIONS AND USAGE Clindamycin Phosphate and Benzoyl Peroxide Gel, 1.2%/5% is a combination of clindamycin phosphate (a lincosamide antibacterial) and benzoyl peroxide indicated for the topical treatment of inflammatory acne vulgaris. ( 1.1 ) Limitation of Use: Clindamycin Phosphate and Benzoyl Peroxide Gel, 1.2%/5% has not been demonstrated to have any additional benefit when compared with benzoyl peroxide alone in the same vehicle when used for the treatment of non-inflammatory acne. ( 1.2 ) 1.1 Indication Clindamycin Phosphate and Benzoyl Peroxide Gel, 1.
Common Doses
- Refer to label
Dosage
2 DOSAGE AND ADMINISTRATION Apply a thin layer of Clindamycin Phosphate and Benzoyl Peroxide Gel, 1.2%/5% to the face once daily, in the evening or as directed by the physician. The skin should be gently washed, rinsed with warm water, and patted dry before applying Clindamycin Phosphate and Benzoyl Peroxide Gel, 1.2%/5%. Avoid the eyes, mouth, lips, mucous membranes, or areas of broken skin. Clindamycin Phosphate and Benzoyl Peroxide Gel, 1.2%/5% is not for oral, ophthalmic, or intravaginal use. • Apply a thin layer of Clindamycin Phosphate and Benzoyl Peroxide Gel, 1.
Contraindications
- 4 CONTRAINDICATIONS Clindamycin Phosphate and Benzoyl Peroxide Gel, 1.2%/5% is contraindicated in: • Patients who have demonstrated hypersensitivity (e.g., anaphylaxis) to clindamycin, benzoyl peroxide, any components of the formulation, or lincomycin. ( 4 ) • Patients with a history of regional enteritis, ulcerative colitis, or antibiotic-associated colitis (including pseudomembranous colitis). ( 4 ) 4.1 Hypersensitivity Clindamycin Phosphate and Benzoyl Peroxide Gel, 1.
Side Effects
- 6 ADVERSE REACTIONS The following adverse reaction is described in more detail in the Warnings and Precautions section of the label: • Colitis [ see Warnings and Precautions ( 5.1 ) ]. • The most common local adverse reactions (≥5%) are erythema, peeling, dryness, and burning. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Padagis ® at 1-866-634-9120 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 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...
Interactions
- 7 DRUG INTERACTIONS • Clindamycin Phosphate and Benzoyl Peroxide Gel, 1.2%/5% should not be used in combination with erythromycin-containing products because of its clindamycin component. ( 7.1 ) 7.1 Erythromycin Avoid using Clindamycin Phosphate and Benzoyl Peroxide Gel, 1.2%/5% in combination with erythromycin-containing products due to its clindamycin component. In vitro studies have shown antagonism between erythromycin and clindamycin. The clinical significance of this in vitro antagonism is not known. 7.