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Bright light, bright gut: could morning therapy ease IBD?

NCT ID NCT07207200

Symptom relief Sponsor: Icahn School of Medicine at Mount Sinai Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether one hour of morning light therapy each day for four weeks can improve sleep quality and reduce inflammation in adults with ulcerative colitis who have active inflammation and poor sleep. Thirty participants will wear a sleep tracker, complete surveys, and provide blood and stool samples before and after the light therapy. The goal is to see if resetting the body's internal clock can ease IBD symptoms.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 30 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Mar 2026

An estimate. Start dates often move.

Expected to finish

Jul 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Patients with ulcerative colitis and signs of inflammation (Fecal calprotectin \>150 mcg/g and/or CRP \>5) Exclusion Criteria: * Known pregnancy or currently lactating women * Current malignancy or active treatment for previously diagnosed malignancy. Patients with squamous and basal cell cancer of the skin are eligible for the study. * Serious co-morbidity including: Immunodeficiency, recent myocardial infarction or stroke, history of renal or hepatic failure, infection such as abscess, opportunistic infection, or sepsis. * Patients with pacemaker or defibrillators * The use of medications known to affect autonomic nervous system function, including but not limited to beta-blockers and benzodiazepines. * Comprehension of the English language not adequate to understand the questionnaires * Recent changes in IBD directed therapies within the last 3 months * Regular use of antidiarrheal agents. * Regular use of medications that have been shown to impair sleep (e.g. steroids, stimulants). If willing (and medically appropriate) to washout for 4 weeks, participant can be then enrolled in the study * Regular use of sleep medications including but not limited to: benzodiazepine hypnotics, non-benzodiazepine hypnotics, antipsychotics, and melatonin. If willing (and medically appropriate) to washout for 4 weeks, participant can be then enrolled in the study * Patients with prior colectomy or total proctocolectomy * History of any surgery within 3 months * Untreated Obstructive Sleep Apnea * Blindness or severely impaired, uncorrected vision * Employment which includes nocturnal shift work * Traveling multiple time zones within the study time frame * Any marijuana or illicit drugs use within one month of enrollment or ongoing basis

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Conditions

The condition(s) this trial relates to.

inflammatory bowel disease ulcerative colitis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Inflammatory bowel disease

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Mount Sinai Hospital

    RECRUITING

    New York, New York, 10029, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.