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Drug Description

(clindamycin phosphate)


Clindamycin phosphate, a lincosamide, 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-(alpha)-D-galacto- octopyranoside 2-(dihydrogen phosphate). It has a molecular weight of 504.96, and the molecular formula is C18H34CIN2O8 PS. The structural formula is represented below:

Clindesse® (clindamycin phosphate) Structural Formula Illustration

Clindesse is a semi-solid, white cream, which contains clindamycin phosphate, USP, at a concentration equivalent to 20 mg clindamycin base per gram. The cream also contains edetate disodium, glycerol monoisostearate, lecithin, methylparaben, microcrystalline wax, mineral oil, polyglyceryl-3-oleate, propylparaben, purified water, silicon dioxide and sorbitol solution.

Clindesse (clindamycin phosphate) does not comply with the pH test of the USP monograph for clindamycin phosphate vaginal cream.

Indications & Dosage


Treatment of Bacterial Vaginosis

Clindesse (clindamycin phosphate) is indicated for the treatment of bacterial vaginosis (formerly referred to as Haemophilus vaginitis, Gardnerella vaginitis, nonspecific vaginitis, Corynebacterium vaginitis, or anaerobic vaginosis) in non-pregnant women.


The recommended dose is the complete contents of a single pre-filled applicator containing 5 g of Clindesse (clindamycin phosphate) cream administered once intravaginally at any time of the day.

Not for ophthalmic, dermal, or oral use.


Dosage Forms And Strengths

Clindesse is an intravaginal cream containing clindamycin phosphate 2%. Each pre-filled, single-dose applicator delivers approximately 5 g of cream containing approximately 100 mg of clindamycin.

Storage And Handling

Clindesse (clindamycin phosphate) Vaginal Cream, 2%, is available in cartons containing one single-dose, pre-filled disposable applicator (NDC 64011-124-08). Each applicator delivers approximately 5 g of vaginal cream containing approximately 100 mg of clindamycin.

Store at 20°-25°C (68°-77°F). [See USP Controlled Room Temperature.] Avoid heat above 30°C (86°F).

Manufactured by KV Pharmaceutical™ Co. for Ther-Rx™ Corporation. St. Louis, MO 63044. Revised: 12/2010


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Side Effects & Drug Interactions


Clinical Study 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 practice.

The data described below reflect exposure to Clindesse (clindamycin phosphate) in 368 patients. Clindesse (clindamycin phosphate) was studied in three clinical studies: placebo-controlled (n=85), active-controlled (n=263), and single-arm (n=20). The population was female, aged 18 to 78, who were diagnosed with bacterial vaginosis. Patient demographics in the trials were 51% Caucasian, 36% Black, 10% Hispanic, and 3% Asian, other or unknown. All patients received 100 mg clindamycin phosphate cream intravaginally in a single dose.

Of the 368 women treated with a single dose of Clindesse (clindamycin phosphate) , 1.6% of the patients discontinued therapy due to adverse reactions. Adverse reactions occurred in 126 of 368 patients (34%) treated with Clindesse (clindamycin phosphate) and in 32 of 85 patients (38%) treated with placebo.

Adverse reactions occurring in ≥ 1% of patients receiving Clindesse (clindamycin phosphate) in the three clinical studies are shown in Table 1.

Table 1: Adverse Reactions Occurring in ≥ 1% of Clindesse (clindamycin phosphate) -Treated Patients and at a Higher Rate than Placebo-Treated Patients

Adverse Event Clindesse (clindamycin phosphate)
n (%)
n (%)
Vaginosis fungal NOS* 52 (14) 7 (8)
Headache NOS 10 (3) 2 (2)
Back pain 6 (2) 1 (1)
Constipation 4 (1) 0 (0)
Urinary tract infection NOS 4 (1) 0 (0)
N = number of patients in intent-to-treat population
n (%) = number and percentage of patients with reported adverse reaction
NOS = not otherwise specified
* The use of clindamycin may result in the overgrowth of non-susceptible fungal organisms in the vagina and may require antifungal treatment

Other reactions reported by < 1% of those women treated with Clindesse (clindamycin phosphate) include:

Dermatologic: Pruritic rash

Gastrointestinal: Diarrhea, vomiting

General: Fatigue

Immune System: Hypersensitivity

Nervous System: Dizziness

Reproductive System: Dysfunctional uterine bleeding, dysmennorrhea, intermenstrual bleeding, pelvic pain, vaginal burning, vaginal irritation, vulvar erythema

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