A Pilot Study to Explore the Role of Gut Flora in Acne
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT04214483 |
Recruitment Status :
Recruiting
First Posted : January 2, 2020
Last Update Posted : September 5, 2021
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Condition or disease | Intervention/treatment |
---|---|
Acne Acne Vulgaris Acne Keloidalis Acne Keloid Acne Conglobata Acne Rosacea Acne Inversa Acne Cystic Acne Pomade Acne Indurata Acne Papular Acne Tropica Acne Urticata Acne Fulminans Acne Follicular Acne Tropicalis Acne Detergicans Acne Iodide Acne Varioliformis | Other: No intervention |
Study Type : | Observational |
Estimated Enrollment : | 100 participants |
Observational Model: | Case-Only |
Time Perspective: | Prospective |
Official Title: | A Non-Interventional Pilot Study to Explore the Role of Gut Flora in Acne |
Actual Study Start Date : | March 2, 2020 |
Estimated Primary Completion Date : | March 2023 |
Estimated Study Completion Date : | July 2023 |
Group/Cohort | Intervention/treatment |
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Diagnosis of Acne
Patients who have been diagnosed with acne, subdivided into the various types.
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Other: No intervention
There is no intervention for this study. |
- Correlation of Microbiome to Disease via Relative Abundance Found in Microbiome Sequencing [ Time Frame: Three years ]Relative abundance of bacterial classes within taxonomic phyla and, more broadly, within their domain will be analyzed by sequencing the gut microbiome. These data will then be categorized with acne.
Biospecimen Retention: Samples With DNA

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Ages Eligible for Study: | Child, Adult, Older Adult |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Sampling Method: | Non-Probability Sample |
Inclusion Criteria:
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Signed informed consent, demonstrating that the patient understands the procedures required for the study and the purpose of the study
a. May be signed by parent or legal guardian in the case of minor or adult unable to provide consent
- Male or female of all ages.
- Diagnosis of acne by a physician
Exclusion Criteria:
- Refusal to sign informed consent form
- History of bariatric surgery, total colectomy with ileorectal anastomosis or proctocolectomy.
- Postoperative stoma, ostomy, or ileoanal pouch
- Participation in any experimental drug protocol within the past 12 weeks
- Treatment with total parenteral nutrition

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04214483
Contact: Sabine Hazan, MD | 18053390549 | drsabinehazan@progenabiome.com | |
Contact: Jordan Daniels, MS | 18053390549 | jordan@progenabiome.com |
United States, California | |
ProgenaBiome | Recruiting |
Ventura, California, United States, 93003 | |
Contact: Sabine Hazan, MD 805-339-0549 drsabinehazan@progenabiome.com | |
Contact: Jordan Daniels, MS 805-339-0549 jordan@progenabiome.com | |
Principal Investigator: Sabine Hazan, MD |
Principal Investigator: | Sabine Hazan, MD | ProgenaBiome |
Responsible Party: | ProgenaBiome |
ClinicalTrials.gov Identifier: | NCT04214483 |
Other Study ID Numbers: |
PRG-038 |
First Posted: | January 2, 2020 Key Record Dates |
Last Update Posted: | September 5, 2021 |
Last Verified: | September 2021 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Plan Description: | There is no plan to share IPD |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Hidradenitis Suppurativa Acne Vulgaris Rosacea Acne Keloid Acne Conglobata Acneiform Eruptions Skin Diseases Sebaceous Gland Diseases Keloid Collagen Diseases Connective Tissue Diseases |
Skin Diseases, Bacterial Bacterial Infections Bacterial Infections and Mycoses Infections Skin Diseases, Infectious Suppuration Hidradenitis Sweat Gland Diseases Folliculitis Hair Diseases |