Doseloop Beta

Sarecycline

medication Under review

A narrow-spectrum tetracycline-class antibiotic indicated for the treatment of inflammatory lesions of non-nodular moderate to severe acne vulgaris.

Research summary

AI-Generated Content: This summary was created by AI and may contain errors. Always verify with peer-reviewed sources.

Multiple randomized, double-blind, placebo-controlled phase 3 trials and long-term open-label extension studies have evaluated sarecycline in healthy adolescents and adults with moderate-to-severe acne vulgaris. These studies consistently show that once-daily weight-based sarecycline for 12 weeks significantly reduces inflammatory lesion counts and increases the proportion of patients achieving treatment success on standardized acne grading scales compared with placebo. Improvements are often detectable by week 3 and maintained with continued therapy. Safety data from up to 40–48 weeks of treatment indicate that sarecycline is generally well tolerated. The most common adverse events are mild gastrointestinal symptoms, nasopharyngitis, and headache, with relatively low rates of photosensitivity, vestibular symptoms, and candidiasis compared with broader-spectrum tetracyclines. Emerging research is also comparing its effects on the gut microbiome and antibiotic resistance patterns versus doxycycline, aiming to determine whether its narrower spectrum confers meaningful advantages in antimicrobial stewardship.

Reported Benefits

Reported Side Effects

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Research (5 studies)

RCT

Efficacy and Safety of Sarecycline in Chinese Patients with Moderate-to-Severe Acne Vulgaris: Results from a Phase 3 Randomized Clinical Trial with 36-Week Open-Label Follow-up

Drugs in R&D • 2025 • n=391

Zhang J, Li S, Wang Y, et al.

Preliminary

Comparing Sarecycline and Doxycycline Effects on the Skin and Gut Microbiome and Antibiotic Resistance in Patients with Acne Vulgaris (NCT07544251)

ClinicalTrials.gov • 2024 • n=60

Harvard Medical School et al.

Cohort study

Safety and Tolerability of Sarecycline for the Treatment of Acne Vulgaris: Results from a 40-Week, Open-Label Study

Journal of Clinical and Aesthetic Dermatology • 2019 • n=483

Moore A, Green LJ, Tschen E, et al.

Cohort study

Long-Term Oral Sarecycline Use in Moderate-to-Severe Acne Vulgaris: Patterns of Use and Safety Outcomes from a Phase 3 Extension Study

Journal of Clinical and Aesthetic Dermatology • 2019 • n=483

Moore A, Green LJ, Tschen E, et al.

RCT

Once-Daily Oral Sarecycline 1.5 mg/kg/day Is Effective for Moderate to Severe Acne Vulgaris: Results from Two Phase 3 Randomized, Double-Blind, Placebo-Controlled Trials (SC1401 and SC1402)

Journal of Drugs in Dermatology • 2018 • n=2002

Moore A, Green LJ, Bruce S, et al.

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Linked studies 5
Researched benefits 4
Side effects noted 6