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Second Line Induction Therapy and Healthy Diet for Patients With Ulcerative Colitis

A Randomized Control Study to Examine the Influence of a Healthy Diet on Moderate to Severe Ulcerative Colitis Patients Undergoing Second Line Induction With Advanced Therapies

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04505410
Enrollment
32
Registered
2020-08-10
Start date
2020-09-18
Completion date
2023-12-07
Last updated
2025-02-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Ulcerative Colitis

Brief summary

The purpose of this study is to determine whether a diet intervention (the Fasting Mimicking diet) will help induce clinical and biochemical response to an advanced therapy in patients with ulcerative colitis. Study period will be 8 weeks during induction of advanced therapies. The primary aims of this study will be clinical response, as determined by the simple clinical colitis activity index (SCCAI). Secondary outcomes will be improvement in fecal calprotectin and C-reactive protein levels.

Detailed description

Advanced therapies included will be: JAK inhibitors (tofacitinib or upadacitinib) IL-23 inhibitors (ustekinumab or risankizumab) Anti-TNF (infliximab) Patients will be provided these medications as part of their standard of care, as decided by their treating physician.

Interventions

OTHERA plant based high fiber diet that mimics fasting (FMD) plus advanced therapy

Patients will do two 5-day cycles of a fasting mimicking diet. They will start the first diet cycle 1 week after initiating a new advanced therapy: Tofacitinib and Upadacitinib (JAK inhibitors), Infliximab (anti-TNF), Ustekinumab or Risankizumab (IL-23 inhibitors).

DRUGAdvanced therapy only without dietary intervention

Patients in this group will start an advanced therapy and follow a diet solely based on dietary tolerance: new advanced therapy: Tofacitinib and Upadacitinib (JAK inhibitors), Infliximab (anti-TNF), Ustekinumab or Risankizumab (IL-23 inhibitors).

Sponsors

Pfizer
CollaboratorINDUSTRY
University of Miami
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE (Subject)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Patients with ulcerative colitis who are beginning tofacitinib therapy. 2. Patients with ulcerative colitis who are initiating second line biologic therapy with ustekinumab 3. Patients with ulcerative colitis who are initiating second line biologic therapy with infliximab 4. Patients aged 18 years or older. 5. Patients with active disease defined as simple clinical colitis activity index (SCCAI) \>2 6. Patients who have not been on antibiotics for 2 weeks or probiotics.

Exclusion criteria

1. Patients younger than 18 years. 2. Patients that do not meet the inclusion criteria specified above. 3. Patients with clinical signs of fulminant colitis, toxic megacolon, ischemic colitis or impending hospitalization for severe ulcerative colitis. 4. Patients with concomitant infectious colitis. 5. Patients allergic nuts/soy/sesame/oats. 6. Patients who do not like the food items that form part of the kits for the fasting mimicking diet (see below). 7. Patients that are diabetics on a glucose lowering drug. 8. Individuals with a history of syncope/presyncope with fasting or from medical conditions. 9. Women who are pregnant or nursing. 10. Individuals with very low BMI\< or equal to 18. 11. Patients with the following comorbidities: chronic kidney disease, diabetes, active cancer. 12. Prohibited concomitant therapies will include TNF antagonists, azathioprine, methotrexate, and mercaptopurine. 13. Patients who routinely have fasting eating habits

Design outcomes

Primary

MeasureTime frameDescription
Percentage of Patients Who Achieved Clinical Response8 weeksClinical response will be evaluated using the Simple Clinical Colitis Activity Index (SCCAI). The SCCAI has a total range from 0-19 with a higher score indicating greater disease activity. A clinical response is defined as a SCCAI decrease of ≥3 points from baseline. Therefore, the study team will examine the percentage of patients who achieve 'clinical response', defined by an SCCAI decrease of ≥3 points.

Secondary

MeasureTime frameDescription
Fecal Calprotectin Levels Measured in Micrograms/Grambaseline, 8 weeksCalprotectin levels were evaluated using fecal samples to compare the levels between the treatment and control arms before (baseline) and after the intervention (at 8 weeks). Fecal calprotectin was measured using a BUHLMANN fCAL ELISA Kit. Unit of measure was micrograms/gram.
CRP Levels Measured in mg/dlbaseline, 8 weeksComparison of Median C-Reactive Protein (CRP) levels between the treatment and control arms before (baseline) and after the intervention (at 8 weeks) will be evaluated using blood samples, unit of measure was mg/dl

Countries

United States

Participant flow

Participants by arm

ArmCount
Advanced Therapy Plus FMD Group
Participants in this group with UC will start an advanced therapy for eight consecutive weeks with the addition of two, five-day cycles of Fast Mimicking Diet (FMD) daily meals on weeks 2 and 7. Fast Mimicking Diet: FMD is a five day meal plan that includes foods such as soups, snacks, bards, teas and supplements (omega-3 fatty acids) for a total of 66 items per box. The diet is plant-based, gluten free and dairy free without any artificial preservatives, chemicals or biologically active ingredients.
14
Advanced Therapy Only Group (no Diet Intervention)
Participants in this group with UC will be begin an advanced therapy and consume a a diet based on dietary tolerance.
18
Total32

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall Studyabdominal pain after starting tofacitinib11
Overall StudyAdverse Event20
Overall Studydid not want to follow diet10
Overall Studyflare up of ulcerative colitis01
Overall Studyinitiated another diet on their own02
Overall StudyLost to Follow-up02

Baseline characteristics

CharacteristicAdvanced Therapy Only Group (no Diet Intervention)TotalAdvanced Therapy Plus FMD Group
Age, Categorical
<=18 years
0 Participants0 Participants0 Participants
Age, Categorical
>=65 years
1 Participants3 Participants2 Participants
Age, Categorical
Between 18 and 65 years
17 Participants29 Participants12 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
15 Participants25 Participants10 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
3 Participants7 Participants4 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Sex: Female, Male
Female
9 Participants15 Participants6 Participants
Sex: Female, Male
Male
9 Participants17 Participants8 Participants
Simple clinical colitis activity index7.0 units on a scale7.5 units on a scale8.0 units on a scale

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 140 / 18
other
Total, other adverse events
1 / 142 / 18
serious
Total, serious adverse events
2 / 140 / 18

Outcome results

Primary

Percentage of Patients Who Achieved Clinical Response

Clinical response will be evaluated using the Simple Clinical Colitis Activity Index (SCCAI). The SCCAI has a total range from 0-19 with a higher score indicating greater disease activity. A clinical response is defined as a SCCAI decrease of ≥3 points from baseline. Therefore, the study team will examine the percentage of patients who achieve 'clinical response', defined by an SCCAI decrease of ≥3 points.

Time frame: 8 weeks

ArmMeasureValue (NUMBER)
Advanced Therapy Plus FMD GroupPercentage of Patients Who Achieved Clinical Response57 percentage of patients
Advanced Therapy Without FMD (Medication Only Group)Percentage of Patients Who Achieved Clinical Response35 percentage of patients
p-value: 0.05Mixed Models Analysis
Secondary

CRP Levels Measured in mg/dl

Comparison of Median C-Reactive Protein (CRP) levels between the treatment and control arms before (baseline) and after the intervention (at 8 weeks) will be evaluated using blood samples, unit of measure was mg/dl

Time frame: baseline, 8 weeks

ArmMeasureGroupValue (MEDIAN)
Advanced Therapy Plus FMD GroupCRP Levels Measured in mg/dlBaseline0.45 mg/dl
Advanced Therapy Plus FMD GroupCRP Levels Measured in mg/dlWeek 80.09 mg/dl
Advanced Therapy Without FMD (Medication Only Group)CRP Levels Measured in mg/dlWeek 81.10 mg/dl
Advanced Therapy Without FMD (Medication Only Group)CRP Levels Measured in mg/dlBaseline2.10 mg/dl
Secondary

Fecal Calprotectin Levels Measured in Micrograms/Gram

Calprotectin levels were evaluated using fecal samples to compare the levels between the treatment and control arms before (baseline) and after the intervention (at 8 weeks). Fecal calprotectin was measured using a BUHLMANN fCAL ELISA Kit. Unit of measure was micrograms/gram.

Time frame: baseline, 8 weeks

ArmMeasureGroupValue (MEAN)
Advanced Therapy Plus FMD GroupFecal Calprotectin Levels Measured in Micrograms/GramBaseline3710 mcg/gram
Advanced Therapy Plus FMD GroupFecal Calprotectin Levels Measured in Micrograms/GramWeek 81375 mcg/gram
Advanced Therapy Without FMD (Medication Only Group)Fecal Calprotectin Levels Measured in Micrograms/GramBaseline5138 mcg/gram
Advanced Therapy Without FMD (Medication Only Group)Fecal Calprotectin Levels Measured in Micrograms/GramWeek 85691 mcg/gram

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026