| Eligibility |
Inclusion Criteria for Children (3 months to = 11 years):
1. Male or female participants aged between =3 months of age and = 11 years of age at Day
-7.
2. Written informed consent from participant/parent(s)/guardian(s).
3. Native English speakers or demonstrated fluency in English (as age appropriate).
4. Participants and parent(s)/guardian(s) are willing and able to comply with study
instructions, study visits, procedures, and device placement (devices will be optional
for those who have active AD on location of device placement, with a minimum of at
least one wrist device needed for enrollment).
5. Have a clinical diagnosis of AD according to the criteria of Hanifin and Rajka.
6. Have AD involvement = 5% Treatable % Body Surface Area (BSA) excluding the scalp and
less than 40% BSA.
7. Have an Investigator's Static Global Assessment (ISGA) score of Mild (2) or Moderate
(3) at the baseline visit.
8. Have an Eczema Area and Severity Index (EASI) total score of =3 at Day -7.
9. Have a minimum Observer Reported Itch Assessment score of 2 at Day -7 (ages 3 months -
= 5 years only) or a minimum Patient Reported Itch Severity Scale score of 2 (ages 6
years - = 11 years old) at Day -7.
10. Participant/parent(s)/guardian(s) agrees to refrain from applying diaper rash creams,
lotions, ointments, powders, etc. where AD lesions are present, unless AD lesions are
present where crisaborole cannot be applied (face within 1 or 2 fingers away from the
mouth and hands/fingers).
11. Participants must agree to refrain from applying crisaborole/vehicle to AD lesions on
the fingers or hands or within 1 or 2 fingers away from the the mouth to prevent
inadvertent ingestion of ointment.
Inclusion Criteria for Adult Caregiver (18-75 years):
1. Primary caregiver of the enrolled child participant, between =18 years of age and =75
years of age.
2. Able to understand and cooperate with study procedures and give informed consent.
3. Native English speakers or demonstrated fluency in English
4. Evidence of a personally signed and dated informed consent document indicating that
the participant has been informed of all pertinent aspects of the study.
5. ISGA score of 0 or 1 of AD at the screening visit, and no reported diagnosis of Atopic
Dermatitis
6. WRAT-4 Word Reading Subtest equivalent to 8th grade reading level or greater.
Exclusion Criteria for Children:
1. Has any clinically significant medical disorder, condition, disease (including active
or potentially recurrent non-AD dermatological conditions and known genetic
dermatological conditions that overlap with AD, such as Netherton syndrome) or
clinically significant finding at baseline that precludes participant's participation
in study activities.
2. Participants who are on systemic corticosteroids or immunosuppressive agents within 28
days of Day -7 (V01).
3. 3. Participants who are on topical AD treatment such as low-to-high-potency
corticosteroids, TCIs, antihistamines, antibiotics, sodium hypochlorite-based
products, antibacterial soaps, bleach baths, diaper rash creams, lotions, ointments,
powders, light therapy, and use of bland emollients on or overlapping with treatable
AD-involved areas within 7 days of Day -7 (V01), unless AD lesions are present where
crisaborole cannot be applied (face within 1 or 2 fingers away from the of mouth and
hands/fingers).
4. Participants who are or have been on crisaborole treatment regimen in the past.
5. Allergy to polyurethane resin (strap/wristband component), skin nickel allergy,
silicone, and/or adhesives.
6. Has documented non-AD related insomnia, sleep apnea or other sleep-related disorders
(e.g., narcolepsy, restless legs syndrome, circadian rhythm disorder).
7. Participant has a known lack of efficacy to crisaborole.
8. Participant scores <20 on the Childhood Asthma Control Test (ages 4-= 11) indicating
poorly controlled asthma.
9. If participant has a history of angioedema or anaphylaxis.
10. Has a significant active systemic or localized infection, including actively infected.
11. Has any planned surgical or medical procedure that would overlap with study
participation.
12. Participants with cardiac pacemakers, electronic pumps or any other implanted medical
devices.
13. Participants who are unable to wear at least one wrist device (one accelerometry
device on at least one wrist).
Exclusion Criteria for Adult Caregiver:
1. Has any clinically significant medical disorder, condition, disease or clinically
significant finding at screening that precludes Caregivers participation in study
activities (e.g., sleep apnea, narcolepsy, etc.)
2. History of regular alcohol consumption exceeding 7 drinks/week for females or 14
drinks/week for males (1drink=5ounces (150mL) wine, 12 ounces (360mL) of beer, or 1.5
ounces (45mL) of hard liquor) within 6 months of screening as disclosed by participant
during evaluation.
3. Current shift worker or travel across more than two time zones in the past 2 weeks,
and/or during the study period.
4. Has any planned surgical or medical procedure that would overlap with study
participation.
5. Participants who are investigational site staff members directly involved in the
conduct of the study and their family members, site staff members otherwise supervised
by the investigator, or participants who are Boston University (BU)/Boston Medical
Center (BMC) employees directly involved in the conduct of the study.
6. Allergy to polyurethane resin (strap/wristband component), skin nickel allergy,
silicone, and/or adhesives.
7. A female who is pregnant.
8. The primary caregiver or share the same domicile of another child who has previously
been or is currently enrolled in the study.
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