The purpose of this study is to evaluate the efficacy and safety of baricitinib in adult participants with moderate to severe atopic dermatitis.



Eligible Ages
Over 18 Years
Eligible Genders
Accepts Healthy Volunteers

Inclusion Criteria

  • Have a diagnosis of atopic dermatitis (AD) at least 12 months before screening.
  • Have moderate to severe AD, including all of the following:
  • EASI score ≥16
  • IGA score of ≥3
  • ≥10% of BSA involvement
  • Have had inadequate response or intolerance to existing topical (applied to the skin) medications within 6 months preceding screening.
  • Are willing to discontinue certain treatments for eczema (such as systemic and topical treatments during a washout period).
  • Agree to use emollients daily.

Exclusion Criteria

  • Are currently experiencing or have a history of other concomitant skin conditions (e.g., psoriasis or lupus erythematosus), or a history of erythrodermic, refractory, or unstable skin disease that requires frequent hospitalizations and/or intravenous treatment for skin infections.
  • A history of eczema herpeticum within 12 months, and/or a history of 2 or more episode of eczema herpeticum in the past.
  • Participants who are currently experiencing a skin infection that requires treatment, or is currently being treated, with topical or systemic antibiotics.
  • Have any serious illness that is anticipated to require the use of systemic corticosteroids or otherwise interfere with study participation or require active frequent monitoring (e.g., unstable chronic asthma).
  • Have been treated with the following therapies:
  • monoclonal antibody for less than 5 half-lives before randomization
  • received prior treatment with any oral Janus kinase (JAK) inhibitor less than 4 weeks before randomization
  • received any parenteral corticosteroid administered by intramuscular or intravenous injection within 6 weeks of planned randomization or are anticipated to require parenteral injection of corticosteroids during the study
  • have had an intra-articular corticosteroid injection within 6 weeks of planned randomization
  • probenecid at the time of randomization that cannot be discontinued for the duration of the study
  • Have high blood pressure characterized by a repeated systolic blood pressure >160 millimeters of mercury (mm Hg) or diastolic blood pressure >100 mm Hg.
  • Have had major surgery within the past eight weeks or are planning major surgery during the study.
  • Have experienced any of the following within 12 weeks of screening: myocardial infarction (MI), unstable ischemic heart disease, stroke, or New York Heart Association Stage III/IV heart failure.
  • Have a history of venous thromboembolic event (VTE), or are considered at high risk for VTE.
  • Have a history or presence of cardiovascular, respiratory, hepatic, chronic liver disease gastrointestinal, endocrine, hematological, neurological, lymphoproliferative disease or neuropsychiatric disorders or any other serious and/or unstable illness.
  • Have a current or recent clinically serious viral, bacterial, fungal, or parasitic infection including herpes zoster, tuberculosis.
  • Have specific laboratory abnormalities.
  • Have received certain treatments that are contraindicated.
  • Pregnant or breastfeeding.

Study Design

Phase 3
Study Type
Intervention Model
Parallel Assignment
Primary Purpose
Double (Participant, Investigator)

Arm Groups

ArmDescriptionAssigned Intervention
Baricitinib High Dose
Baricitinib administered orally. Placebo administered orally to maintain the blind.
  • Drug: Baricitinib
    Administered orally
    Other names:
    • LY3009104
  • Drug: Placebo
    Administered orally
Baricitinib Low Dose
Baricitinib administered orally. Placebo administered orally to maintain the blind.
  • Drug: Baricitinib
    Administered orally
    Other names:
    • LY3009104
  • Drug: Placebo
    Administered orally
Placebo Comparator
Placebo administered orally.
  • Drug: Placebo
    Administered orally

More Details

Active, not recruiting
Eli Lilly and Company

Study Contact


Study information shown on this site is derived from ClinicalTrials.gov (a public registry operated by the National Institutes of Health). The listing of studies provided is not certain to be all studies for which you might be eligible. Furthermore, study eligibility requirements can be difficult to understand and may change over time, so it is wise to speak with your medical care provider and individual research study teams when making decisions related to participation.