Eligibility Module

Eligibility Module

The Eligibility Module contains detailed information about who can participate in the clinical trial. This includes eligibility criteria, age restrictions, gender requirements, healthy volunteer status, and study population descriptions, helping researchers understand who is eligible to participate in the study.

Eligibility Module path is as follows:

Study -> Protocol Section -> Eligibility Module

Eligibility Module


Ignite Creation Date: 2025-12-24 @ 9:28 PM
Ignite Modification Date: 2025-12-24 @ 9:28 PM
NCT ID: NCT04865432
Eligibility Criteria: Inclusion Criteria: 1. Age at least 22 years old 2. Male or Female 3. Skin Type I-VI 4. Women of childbearing potential must be on birth control and not pregnant based on a negative pregnancy test at baseline. 5. Ability and Willingness to give informed consent and comply to protocol requirements 6. Serum total 25(OH)D \< 30 ng/mL Exclusion Criteria: 1. Ongoing treatment with supplemental or pharmacological doses of vitamin D, vitamin D metabolites or analogues 2. Pregnant 3. History of underlying photosensitivity 4. Use of medications that cause a photosensitivity reaction (including but not limited to): tetracycline, tretinoin, amiodarone, doxycycline, naproxen, diphenhydramine, methotrexate, and hydrochlorothiazide 5. History of skin cancer 6. Plan to received significant sun exposure below the 33rd parallel during study 7. Used tanning or phototherapy devices within the last 30 days 8. Vitamin D supplement use of more than 600 IUs daily. 9. Systemic steroids use 10. H1 antihistamine use in the last 7 days 11. Diagnosed with light allergies (including but not limited to): actinic prurigo, polymorphous light eruption, or solar urticaria 12. Diagnosed with light sensitivities (including but not limited to): protoporphyria, photodermatitis, xeroderma pigmentosum, lupus erythematosus, chronic actinic dermatitis, or UV-sensitive syndrome
Healthy Volunteers: True
Sex: ALL
Minimum Age: 22 Years
Study: NCT04865432
Study Brief:
Protocol Section: NCT04865432