Blue Light Phototherapy

Study Purpose

This study will use Blue-light Photo-therapy to treat patients with psoriasis vulgaris and Grover's Disease.

Recruitment Criteria

Accepts Healthy Volunteers

Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms

Study Type

An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes.

An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes.

Searching Both is inclusive of interventional and observational studies.

Eligible Ages 18 Years - 89 Years
Gender All
More Inclusion & Exclusion Criteria

Inclusion Criteria:

1. Patient's aged 18-89 at time of enrollment. 2. Previous diagnosis of psoriasis vulgaris or Grover's disease.

Exclusion Criteria:

1. All Groups: Subjects who are younger than 18 years of age or older than 90 years of age. 2. Patients who have received topical or systemic treatment within the prior 2 weeks of planned phototherapy. 3. Patients prescribed any of the following drugs for issues not related to their psoriasis or Grover's disease.
  • - topical steroids.
  • - calcineurin inhibitors.
  • - methotrexate.
  • - retinoids.
  • - biologic agents.
4. Unable to schedule phototherapy sessions. 5. We will not recruit the following populations: adults unable to consent, individuals who are not yet adults (infants, children, teenagers), pregnant women, prisoners and other vulnerable populations.

Trial Details

Trial ID:

This trial id was obtained from, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.


Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans.

Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data.

Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs.

Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.

Lead Sponsor

The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.

Northwestern University
Principal Investigator

The person who is responsible for the scientific and technical direction of the entire clinical study.

Shuai Xu
Principal Investigator Affiliation Northwestern University
Agency Class

Category of organization(s) involved as sponsor (and collaborator) supporting the trial.

Overall Status Recruiting
Countries United States

The disease, disorder, syndrome, illness, or injury that is being studied.

Grover's Disease, Psoriasis Vulgaris
Arms & Interventions


Experimental: Adult treatment arm

Adults enrolled in the study will receive treatment (blue light phototherapy) on one area of their body affected by psoriasis or Grover's disease. The treatment area (restricted by size of the device) will be compared to untreated areas affected by disease on the same patient.


Device: - Blue light phototherapy

Phototherapy- Wavelength: 417±15 nm

Contact a Trial Team

If you are interested in learning more about this trial, find the trial site nearest to your location and contact the site coordinator via email or phone. We also strongly recommend that you consult with your healthcare provider about the trials that may interest you and refer to our terms of service below.

Knute Martell, Chicago, Illinois




Knute Martell

Chicago, Illinois, 60611

Site Contact

Knute Martell

[email protected]


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