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warnings and cautions
5 WARNINGS AND PRECAUTIONS Clostridioides difficile -Associated Diarrhea: Discontinue and evaluate if diarrhea occurs. ( 5.1 ) Use with Polyurethane Condoms: Polyurethane condoms are not recommended during treatment with XACIATO or for 7 days following treatment. During this time period, polyurethane condoms may not be reliable for preventing pregnancy or for protecting against transmission of HIV and other sexually transmitted diseases. Latex or polyisoprene condoms should be used ( 5.2 ) 5.1 Clostridioides difficile -Associated Diarrhea (CDAD) Clostridioides difficile -associated diarrhea (CDAD) has been reported with use of nearly all antibacterial agents, including clindamycin, and may range in severity from mild diarrhea to fatal colitis. Treatment with antibacterial agents alters the normal flora of the colon which can lead to overgrowth of C. difficile . C. difficile produces toxins A and B which contribute to the development of CDAD. Hypertoxin producing strains of C. difficile cause increased morbidity and mortality, as these infections can be refractory to antimicrobial therapy and may require colectomy. CDAD must be considered in all patients who present with diarrhea following antibacterial use. Careful medical history is necessary since CDAD has been reported to occur over two months after the administration of antibacterial agents. Patients with inflammatory bowel disease, including ulcerative colitis and Crohn’s disease, have a higher risk of developing CDAD. If CDAD is suspected or confirmed, ongoing antibacterial use not directed against C. difficile may need to be discontinued. Appropriate fluid and electrolyte management, protein supplementation, antibacterial treatment of C. difficile , and surgical evaluation should be instituted as clinically indicated [see Adverse Reactions ( 6.2 )] . 5.2 Use with Polyurethane Condoms XACIATO is not compatible with and may weaken polyurethane condoms; therefore, their use is not recommended during treatment with XACIATO or for 7 days following treatment. During this time period, polyurethane condoms may not be reliable for preventing pregnancy or for protecting against transmission of HIV and other sexually transmitted diseases. Latex or polyisoprene condoms should be used [see Use in Specific Populations ( 8.3 )] . 5.3 Vaginal Candida Infections XACIATO may result in the overgrowth of Candida spp. in the vagina resulting in vulvovaginal candidiasis which may require antifungal treatment [see Adverse Reactions ( 6.1 )] .
6 ADVERSE REACTIONS The following clinically significant adverse reactions are described elsewhere in the labeling: Clostridioides difficile -Associated Diarrhea (CDAD) [see Warnings and Precautions ( 5.1 )] Use with Polyurethane Condoms [see Warnings and Precautions ( 5.2 )] Vaginal Candida Infections [see Warnings and Precautions ( 5.3 )] The most common adverse reactions reported in >2% of patients and at a higher rate in the XACIATO group than in the placebo group were vulvovaginal candidiasis and vulvovaginal discomfort. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Organon LLC, at 1-844-674-3200 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 compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. In the placebo-controlled trial (Trial 1), 202 patients with bacterial vaginosis were treated with a single dose of XACIATO, and 103 patients were treated with a single dose of placebo gel. The median age of the patients in the trial was 35 years (range 15-59 years). The population was 56% Black or African American and 41% White. Persons of Hispanic or Latino ethnicity made up 25% of the population. A history of prior bacterial vaginosis was noted in 89% of the population. Most Common Adverse Reactions Adverse reactions were reported by 76/202 (38%) of patients who received XACIATO and 28/103 (27%) of patients who received placebo in Trial 1. Table 1 displays the most common adverse reactions (occurring in >2% of patients and at a higher rate in the XACIATO group than in the placebo group) in Trial 1. Table 1: Adverse Reactions Occurring in >2% of Patients Receiving XACIATO in Trial 1 Adverse Reaction XACIATO N=202 n (%) Placebo N=103 n (%) Vulvovaginal candidiasis 35 (17) 4 (4) Vulvovaginal discomfort Vulvovaginal discomfort includes the terms vulvovaginal pruritus, vulvovaginal burning sensation, vulvovaginal erythema, vulvovaginal dryness, and vulvovaginal discomfort. 13 (6) 5 (5) 6.2 Other Clindamycin Formulations XACIATO affords low peak serum levels and systemic exposure of clindamycin compared to an oral or intravenous dose of clindamycin [see Clinical Pharmacology ( 12.3 )] . Data from well-controlled trials directly comparing clindamycin administered orally to clindamycin administered vaginally are not available. The following additional adverse reactions and altered laboratory tests have been reported with the oral or parenteral use of clindamycin: Gastrointestinal: Abdominal pain, esophagitis, nausea, Clostridioides difficile -associated diarrhea [see Warnings and Precautions ( 5.1 )] . Hematopoietic: Transient neutropenia (leukopenia), eosinophilia, agranulocytosis, and thrombocytopenia have been reported. No direct etiologic relationship to concurrent clindamycin therapy could be made in any of these reports. Hypersensitivity Reactions: Maculopapular rash, vesiculobullous rash, and urticaria have been observed during drug therapy. Generalized mild to moderate morbilliform-like skin rashes are the most frequently reported of all adverse reactions. Cases of erythema multiforme, some resembling Stevens-Johnson syndrome, have been associated with clindamycin. A few cases of anaphylactoid reactions have been reported. Liver: Jaundice and abnormalities in liver function tests have been observed during clindamycin therapy. Musculoskeletal: Cases of polyarthritis have been reported. Renal: Acute kidney injury. Immune: Drug reaction with eosinophilia with systemic symptoms (DRESS) cases have been reported.