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Atopic DermatitisApril 2021Summary reviewed July 2026

A Beneficial Bacteria Applied to Skin Reduced Eczema Flares With Fewer Side Effects

Scientists tested a harmless bacteria from healthy skin called Staphylococcus hominis A9 on adults with eczema. When applied to the skin for one week, it was safe and reduced harmful bacteria that make eczema worse.

What the trial was testing

The trial enrolled 54 patients with atopic dermatitis. The study was sponsored by National Institute of Allergy and Infectious Diseases (NIAID) and tracked outcomes across the full group of patients who matched the trial's eligibility profile.

It was an early-stage trial — researchers are still confirming safety and getting an early look at how well the treatment works. Trials at this stage are designed to produce evidence regulators and physicians can act on — not just observations to follow up later.

What the results showed

The treatment reduced harmful bacteria on the skin and was safe with fewer eczema-related side effects.

Nature medicine · 2021 · NCT03151148

These findings — that people who got the bacteria treatment had fewer eczema-related problems — were published in the Nature medicine and represent the headline result of the study.

Researchers tracked outcomes across 54 patients enrolled in the trial. The result was consistent enough across the group that the team felt confident reporting it.

What this means for patients

For patients with atopic dermatitis, this result changes the calculus on what to ask their care team about. Whether it changes day-to-day care depends on factors like disease subtype, prior treatments, and where the patient is in their care journey.

What you can do now

This was an early-stage study and the treatment is not yet FDA-approved. The bacteria therapy showed promise by fighting the germs that worsen eczema, but larger studies are needed. Ask your doctor about open trials or related approved options for managing atopic dermatitis.

Eligibility for the treatments mentioned above depends on specific test results and clinical history. Bring this summary, the trial name, and your most recent labs or pathology report to your next visit.

Open atopic dermatitis trials

RecruitingTesting effectiveness

Study of ENV-294 in Adults With Moderate-to-Severe Atopic Dermatitis

The goal of this clinical trial is to learn about the safety and effectiveness of ENV-294 in adults with moderate to severe atopic dermatitis. The main questions it will answer are: * Is there an impact on the severity and area of atopic dermatitis when participants take ENV-294 * What medical problems do participants have when taking ENV-294 Participants will: * Take drug ENV-294 or a placebo once every day for 12 weeks * Visit the clinic every 2 to 4 weeks for checkups and tests * Keep a diary of their symptoms and when they took their study drug * Return to the clinic for the final study visit at approximately week 16

Birmingham, Alabama, United States +24 more
RecruitingObservational study

Natural History and Genetics of Food Allergy and Related Conditions

Background: \- About 15 million Americans have a food allergy. Because there are no cures or effective prevention or treatment for food allergies, researchers want to learn more about them. Objective: \- To learn more about the causes and effects of food allergy and related conditions. Eligibility: * People ages 2 99 who have food allergy and/or a related genetic or other condition * Their relatives * Healthy relatives and volunteers Design: * Participants will have at least 3 visits over 1 2 years, and then once a year for up to 12 years. Each may last a day or longer. * Participants will be screened with medical history, physical exam, and questionnaires. * Participants may have the following: * Blood tests * Allergy skin prick tests: Drops of allergens are placed on the back or arm. The skin is scratched under each drop. * Leukapheresis: blood is taken from a needle in one arm, passed through a machine, and returned through a needle in the other arm. * X-rays * Esophageal string test: One end of a string is taped to the cheek and the other end is packed into a capsule. When the capsule is swallowed, the string unwinds; it is left in for at least 1 hour. * EGD and colonoscopy: Biopsies are taken from the gastrointestinal system. * Tiny biopsies of skin * Photographs of the body * Collection of cells through: * Swab of nose, inside of cheek, or skin * Gentle skin scrape * Tape stripping: piece of tape is put on the skin and pulled off.

Bethesda, Maryland, United States