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Role of Intermittent Fasting in Psoriasis and Psoriatic Arthritis

Study Purpose

Our study aims to determine whether intermittent fasting (IMF) is a valid method to improve psoriasis and psoriatic arthritis (PsA) disease severity and quality of life. Patients within OSU Dermatology with psoriasis and/or psoriatic arthritis will be enrolled in a dietary intervention for a 24-week period. A prospective, single-blind parallel group randomized control trial will include an IMF dietary intervention group and a standard routine diet group for a duration of 24 weeks. After the initial 12 weeks of the dietary intervention, patients will be followed for an additional 12 weeks to assess changes in their disease state and quality of life after returning to their initial dietary routines. In total, the study will be 24 weeks. Baseline assessment will consist of standard psoriasis and PsA clinical parameters; evaluation will be performed by a blinded physician. These parameters will be reassessed every 4 weeks via video visit for the three month duration of the study, and then again at the 24-week conclusion of the study. In addition, each visit will assess patient-reported outcomes using dermatology-specific quality of life indices. Biometric measurements of weight, height, BMI, and waist-to-hip ratio will be recorded at baseline and all subsequent visits. Dietary adherence will be assessed by virtual check-in visits, and dietary guidance will be provided and reviewed at each visit by the research coordinator. A physician or the research coordinator will be available for questions between times of data collection. The primary outcome measure will be feasibility of a larger study, which will be determined at the initial 12-week timepoint. This data is vital to determine effect size and dropout frequency for future studies. Secondary outcomes will include changes in clinical indices, biometric measurements, and quality of life indices at 12 weeks after randomization and at the end of the 24-week study. Achievement of a 5% weight reduction at 12 weeks, and a 10-15% weight reduction at 24 weeks will be additional secondary endpoints. Data for each patient will be stored in a password-protected and encrypted REDCAP database on a secure OSU server.

Recruitment Criteria

Accepts Healthy Volunteers

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

 No
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.

 Interventional
Eligible Ages 18 Years and Over
Gender All
More Inclusion & Exclusion Criteria

Inclusion Criteria:

  • - 18 years of age and older.
  • - Established patient at the clinical site with a diagnosis of mild to moderate plaque psoriasis despite treatment.
  • - Ability to consent and follow dietary instructions.
  • - Overweight (BMI ≥ 25) - No change in systemic psoriasis treatment for 6 weeks.

Exclusion Criteria:

  • - Pregnancy and/or breastfeeding.
  • - Insulin-dependent diabetics.
  • - Severe heart, kidney, and liver disease.
  • - Obesity due to medical condition.
- Use of medical treatment for weight reduction

Trial Details

Trial ID:

This trial id was obtained from ClinicalTrials.gov, 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.

 NCT05590247
Phase

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.

 N/A
Lead Sponsor

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

 Ohio State University
Principal Investigator

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

 Benjamin H Kaffenberger, MD, MS
Principal Investigator Affiliation The Ohio State University Wexner Medical Center
Agency Class

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

 Other
Overall Status Recruiting
Countries United States
Conditions

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

 Psoriasis, Psoriatic Arthritis
Additional Details

Aim 1: Assess the feasibility of a larger study testing the association between intermittent fasting and disease severity in patients with psoriasis using psoriasis-specific clinical indices and patient-reported psoriasis outcomes. The investigators will conduct a prospective, single-blind parallel group randomized control trial. Participants will be identified through an electronic medical record search for established patients within the Ohio State Dermatology practice with a diagnosis of mild-to-moderate psoriasis. Patients will then be asked to join the study and subsequently given information to consent. Patients in the control group will be offered entry into the intermittent fasting group after the commencement of the study as an incentive to participate. Setting: The clinical setting will be the outpatient dermatology clinic sites for the Ohio State University Wexner Medical Center, Columbus, OH. The sites have access to measurement equipment, well-lit examination rooms, clinical trial support, and convenient locations for patient access. Study Procedures: Patients will receive information regarding their dietary modifications before the start of the study; they will also be randomized to their group at this time. In the IMF group of the study, subjects will be permitted to eat food of any type and quantity for 8 hours of each day at any timing. Patients in the standard routine dietary guidance group are encouraged to continue their current diet while recording their first and last meal of the day until the first data collection. By doing this, the investigators will ensure that there is a difference in total energy consumption time between the IMF group and our controls. After the first 12 weeks of the study and subsequent data collection, patients will be permitted to resume their normal dietary habits for the remaining 12 weeks of the study. Random Allocation: Following consent, the participants who meet the inclusion criteria will be block randomized by presence of PsA and time in a 1:1 ratio to either the IMF diet intervention or standard routine dietary guidance. Recruitment will ensure at least 20% of each group contains patients with PsA. The assessing physician investigator will be blinded to the group assignment of each patient, although the research coordinator will not be blinded. Patients cannot reasonably be blinded to their assignment. Data for each patient will be stored in a password-protected and encrypted REDCAP database on a secure OSU server. Each patient will receive a random numerical identity in the database which their data points will be associated with. Data access is role-based and limited to PI, research coordinator, statistician, and support staff. Early stopping rules: Early stop permitted due to illness or lack of adherence; data will be included under the intention-to-treat (ITT) assumption. Monitoring Plan: Safety monitoring will be patient-reported when patients come to clinical site and in between checkpoints if needed. Due to COVID-19, adjustments for electronic visitations will be allowable if patients can appropriately document all areas of involvement as well as take updated biometric measurements. Aim 2: Assess the feasibility of a larger study testing the association between intermittent fasting and disease severity in patients with psoriatic arthritis using standardized DAPSA score and patient-reported outcomes. Setting: As in Aim 1, the clinical setting will be the outpatient dermatology clinic sites for the Ohio State University Wexner Medical Center, Columbus, OH. The resources and personnel at these sites are also appropriate for this aim. Design: In this aim, data points to be collected will be the DAPSA score, as well as scoring systems for enthesitis and dactylitis. Quality of life will be assessed using HRQL score. Study Procedures: After the patient has consented, the patient will be block randomized as in Aim 1. Initial baseline assessment will be performed by a blinded physician. Baseline assessment will consist of DAPSA, enthesitis, and dactylitis indices. Health-related quality of life (HRQL) survey will be administered to patients at baseline and 12 and 24-week timepoints. All other items that are collected in Aim 1 will also be collected in this group. All other aspects of Aim 2 not mentioned in this section are the same as in Aim 1.

Arms & Interventions

Arms

Experimental: Intermittent Fasting Group

Patients in this group will do intermittent fasting dieting for 12 weeks, meaning they will only eat for 8 hours per day. They may choose whichever 8 hours they want. Only water can be consumed during the fasting period. For the last 12 weeks of the study, they will resume their normal diet.

No Intervention: Standard Routine Diet Group

Patients will continue with their normal diets for the 24 week duration of the study.

Interventions

Behavioral: - Intermittent Fasting Diet

Patients will follow the 16: 8 traditional intermittent fasting model, where they may only consume calories during 1 continuous 8-hour period of the day. Water may be consumed during fasting.

Contact a Trial Team

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Columbus, Ohio

Status

Recruiting

Address

The Ohio State University Wexner Medical Center

Columbus, Ohio, 43201

Site Contact

Ashley N Gray, BS

ashley.gray@osumc.edu

614-293-1707

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