What this phase means
Phase 2: researchers already know a roughly safe dose (from phase 1). This stage asks whether the treatment actually helps the condition, and watches side effects more closely.
Phase labels are FDA/ICH categories applied to the registry Phase field. They are not a finding that this study succeeded.
What the registry says happens
If you join, the listed intervention(s) are Trimethoprim/sulfamethoxazole (TMP/SMZ), Cephalexin, or Doxycycline. The registry lists allocation as randomized. Background: \- Atopic dermatitis, or eczema, is a chronic skin disorder.
They plan to enroll about 130 people at Bethesda. Taking part typically means taking a study drug (or dummy pill) plus check-ins.
Official title (unrewritten)
Effects of Treatments on the Microbiome in Healthy Volunteers and Patients With Atopic Dermatitis
Interventions: Trimethoprim/sulfamethoxazole (TMP/SMZ), Cephalexin, Doxycycline, Sodium hypochlorite, Placebo capsules, Placebo Sodium hypochlorite
Primary outcome (registry wording): Characterize microbiome alterations