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PubMed RSS Feed - -Maintenance of remission following successful treatment of papulopustular rosacea with ivermectin 1% cream vs. metronidazole 0.75% cream: 36-week extension of the ATTRACT randomized study.


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Maintenance of remission following successful treatment of papulopustular rosacea with ivermectin 1% cream vs. metronidazole 0.75% cream: 36-week extension of the ATTRACT randomized study.

J Eur Acad Dermatol Venereol. 2015 Dec 21;

Authors: Taieb A, Khemis A, Ruzicka T, Barańska-Rybak W, Berth-Jones J, Schauber J, Briantais P, Jacovella J, Passeron T, Ivermectin Phase III Study Group

Abstract
BACKGROUND: There are a limited number of approved treatments for papulopustular rosacea (PPR) and remission is difficult to maintain after successful treatment.
OBJECTIVES: To investigate remission over a 36-week extension period in patients with moderate to severe PPR successfully treated with 16 weeks' treatment with ivermectin 1% cream once daily (QD) or metronidazole 0.75% cream twice daily (BID) in a randomized, parallel-group Phase III study.
METHODS: Treatment was discontinued in patients initially successfully treated [Investigator's Global Assessment (IGA) score of 0 or 1] with ivermectin 1% cream QD (n = 399) or metronidazole 0.75% cream BID (n = 365; Part A) and patients were followed every 4 weeks for up to 36 weeks (Part B). Treatment with the same study treatment as used in Part A was only re-initiated if patients relapsed (IGA ≥ 2). Efficacy assessments were: time to first relapse; relapse rate; and number of days free of treatment. Safety assessments included incidence of adverse events and local cutaneous signs and symptoms.
RESULTS: The median time to first relapse was significantly longer (115 days vs. 85 days) and relapse rates at the end of the study period significantly lower (62.7% vs. 68.4%) for patients initially successfully treated with ivermectin 1% compared with metronidazole 0.75%; Kaplan-Meier plot demonstrated a statistically significant difference between the two arms (P = 0.0365). The median number of days free of treatment was higher for ivermectin compared with metronidazole (196 days vs. 169.5 days; P = 0.026). The percentage of patients who experienced a related adverse event was equally low in both groups.
CONCLUSION: The results of this relapse study showed that an initial successful treatment with ivermectin 1% cream QD significantly extended remission of rosacea compared with initial treatment with metronidazole 0.75% cream BID following treatment cessation.

PMID: 26691278 [PubMed - as supplied by publisher]

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