CClinicalTrials.gg
TerminatedNCT02793778PIONEER-CDUpdated Jun 28, 2019

Efficacy of CROWN in Repair and Maintenance of the Intestinal Mucosa in Patients With CD Receiving Anti-TNF Therapy

A Phase 2 interventional study of CROWN and CROWN Placebo in Crohn's Disease, sponsored by Prometheus Laboratories. Terminated at 39 sites in United States. Open to participants aged 18 Years to 85 Years. Per ClinicalTrials.gov, last updated 2019-06-28.

Sponsored by Prometheus Laboratories · Phase 2, Interventional, and Treatment

Why this study was terminated
enrollment
Phase
Phase 2
Study type
Interventional
Enrollment
42
Allocation
Randomized
Ages
18 Years to 85 Years
Sex
All
01

Study summary

The purpose of this study is to evaluate CROWN's efficacy in supporting the repair and maintenance of the intestinal mucosa of patients with moderately to severely active Crohn's Disease receiving anti-Tumor Necrosis Factor (TNF) therapy (infliximab, adalimumab, certolizumab)

Read the detailed description

The purpose of this study is to evaluate the effectiveness of an orally administered nutritional intervention (CROWN) in subjects with Crohn's Disease (CD) to support Standard Of Care (SOC) treatment in the repair and maintenance of the intestinal mucosa over a 24 week period. SOC is defined as having been on a stable maintenance dose of an anti-Tumor Necrosis Factor (TNF) agent within 24 weeks of its initiation.

02

Conditions studied

  • Crohn's Disease

Browse trials for

Keywords

  • Crohn's Disease
  • Digestive System Diseases
  • Gastrointestinal Diseases
  • Intestinal Diseases
  • mucosal healing
  • inflammatory bowel disease
  • Medical Food
  • Nutritional intervention
03

In context

Crohn Disease

1,880 studies on the registry are indexed under Crohn Disease; 462 are open to participants now.

This study's enrollment of 42 is below the median of 66 across 1,188 interventional studies indexed under Crohn Disease.

Browse Crohn Disease studies →

Lead sponsor

Prometheus Laboratories is the lead sponsor of 6 studies on the registry; none are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 85 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

Crohn's Disease patient who has derived clinical benefit from the Standard of Care therapy, but continues to have evidence of incomplete healing of the intestinal mucosa.

  1. Adults (18-85 years of age) with a known history of symptomatic CD confirmed by endoscopy or radiology
  2. CDAI score ≤ 350
  3. Active endoscopic disease (SES-CD score ≥ 6) documented during the study screening phase or SES-CD score ≥ 4 if isolated ileal disease
  4. On a stable dose of infliximab, adalimumab, or certolizumab therapy for 8 weeks prior to randomization as part of SOC
  5. Able to consume oral nutrition for up to 24 weeks consisting of two 4 oz (120 ml) servings daily
  6. Able to understand the informed consent process, willing to follow study instructions and likely to complete all required visits and procedures, including the use of an electronic device to collect study data, home computer or tablet and internet access to complete online food frequency questionnaire, and undergo 2 endoscopies in a 6 month period

Exclusion criteria

Exclusion Criteria:

Subjects with one or more of the following criteria are excluded from participation in the study:

  1. If female, subject is pregnant, nursing, or planning to become pregnant during the study period or is of childbearing potential and unable or unwilling to use a reliable form of contraception during the study
  2. Fistula known to be contributing to diarrhea
  3. Recent or current history of bowel obstruction
  4. Stricturing disease with evidence of bowel dilation proximal to stricture on imaging
  5. Anticipated need for gastrointestinal surgical therapy in the next 6 months
  6. Current treatment with a systemic corticosteroid at dose greater than 20 mg of prednisone (or equivalent) at screening
  7. Change in any antimetabolite therapy within 8 weeks prior to randomization
  8. Current treatment with antibiotics for CD (ciprofloxacin, metronidazole) at screening
  9. Current ostomy
  10. Serious infection, neoplasia or other medical conditions which would interfere with participation in the study, in the opinion of the Investigator
  11. Evidence of Clostridium difficile infection in the previous 4 weeks
  12. History of non-compliance with clinical protocols
  13. Active participation in another CD trial or received an investigational product within the past 4 weeks
  14. Diagnosis of celiac disease
  15. Known sensitivity to milk or soy protein
  16. In the Investigator's opinion, subject has any condition or situation which makes the subject unsuitable for study participation, may put the subject at significant risk, or may confound the study results
05

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Quadruple (Participant, Care provider, Investigator, Outcomes assessor)
Enrollment
42 participants (actual)

Study arms

  • Experimental
    CROWN

    CROWN: A nutritionally based therapy with a high protein content, formulated as a powder. Twice a day, preferable 1 hour before or more than 2 hours after meals, for up to 24 weeks

    Drug: CROWN

  • Placebo comparator
    CROWN Placebo

    Placebo: An appearance and volume matched formulated powder. Twice a day, preferable 1 hour before or more than 2 hours after meals, for up to 24 weeks

    Drug: CROWN Placebo

Interventions

  • DrugCROWN

    A nutritionally based therapy, formulated as a powder, administered twice a day, preferable 1 hour before or more than 2 hours after meals, for up to 24 weeks

  • DrugCROWN Placebo

    Placebo, formulated as a powder, administered twice a day, preferable 1 hour before or more than 2 hours after meals, for up to 24 weeks

06

What researchers measure

Primary outcomes

  1. Simple Endoscopic Score - Crohn's Disease (SES-CD)

    Measuring intestinal health improvement is the Week 24 change from baseline in Simple Endoscopic Score - Crohn's Disease (SES-CD)

    Time frame: Week 24

Secondary outcomes

  1. Plasma amino acid level

    Change from baseline in plasma amino acid levels

    Time frame: Week 12 and at Week 24

  2. Quality of Life Score - Inflammatory Bowel Disease Questionnaire (IBDQ)

    Change from baseline in quality of life score in IBDQ

    Time frame: Weeks 12 and 24

  3. Quality of Life Score - Work Productivity Activity Index - Crohn's Disease(WPAI-CD)

    Change from baseline in quality of life score in WPAI-CD

    Time frame: Weeks 12 and 24

  4. Inflammatory biomarkers

    Proportion of subjects with a normalization of inflammatory biomarkers (C-Reactive Protein (CRP) and fecal calprotectin)

    Time frame: Week 24

  5. Endoscopic response

    Proportion of subjects with endoscopic response based on SES-CD score, defined as a decrease in the SES-CD of at least 3 points from baseline, and no worsening of either component of the PRO2 (abdominal pain or liquid or soft stool frequency)

    Time frame: Week 24

  6. Corticosteroid-free

    Proportion of subjects who are corticosteroid-free

    Time frame: Week 12

07

Study locations

39 sites
  • CROWN Site 0032
    Dothan, Alabama 36305, United States
  • CROWN Site 0011
    Huntsville, Alabama 35801, United States
  • CROWN Site 0091
    Little Rock, Arkansas 72212, United States
  • CROWN Site 0017
    Los Angeles, California 90033, United States
  • CROWN Site 0054
    Rialto, California 92377, United States
  • CROWN Site 0013
    Ventura, California 93003, United States
  • CROWN Site 0030
    Aurora, Colorado 80045, United States
  • CROWN Site 0028
    Bridgeport, Connecticut 06606, United States
  • CROWN Site 0073
    Washington, District of Columbia 20007, United States
  • CROWN Site 0096
    Naples, Florida 34102, United States
  • CROWN Site 0081
    Chicago, Illinois 60611, United States
  • CROWN Site 0050
    Urbana, Illinois 61801, United States
  • CROWN Site 0036
    Topeka, Kansas 66606, United States
  • CROWN Site 0019
    Crestview Hills, Kentucky 41017, United States
  • CROWN Site 0002
    Bastrop, Louisiana 71220, United States
  • CROWN Site 0003
    Baton Rouge, Louisiana 70809, United States
  • CROWN Site 0029
    Shreveport, Louisiana 71105, United States
  • CROWN Site 0051
    Chevy Chase, Maryland 20815, United States
  • CROWN Site 0014
    Ann Arbor, Michigan 48109, United States
  • Crown Site 0006
    Chesterfield, Michigan 48047, United States
  • CROWN Site 71
    Lebanon, New Hampshire 03756, United States
  • CROWN Site 0020
    Great Neck, New York 11021, United States
  • CROWN Site 0084
    Mineola, New York 11501, United States
  • CROWN Site 0039
    Poughkeepsie, New York 12601, United States
  • CROWN Site 0012
    Asheville, North Carolina 28801, United States
  • CROWN Site 0018
    Chapel Hill, North Carolina 27599, United States
  • CROWN Site 0034
    Raleigh, North Carolina 27612, United States
  • CROWN Site 0021
    Rocky Mount, North Carolina 27804, United States
  • CROWN Site 0093
    Portland, Oregon 97210, United States
  • CROWN Site 0033
    Philadelphia, Pennsylvania 19104, United States
  • CROWN Site 0040
    Philadelphia, Pennsylvania 19140, United States
  • CROWN Site 0094
    Rapid City, South Dakota 57701, United States
  • CROWN Site 0041
    Hermitage, Tennessee 37076, United States
  • CROWN Site 0004
    Houston, Texas 77030, United States
  • CROWN Site 0086
    Houston, Texas 77030, United States
  • CROWN Site 0007
    Orem, Utah 84058, United States
  • CROWN Site 0016
    Norfolk, Virginia 23502, United States
  • CROWN Site 0098
    Bellevue, Washington 98004, United States
  • CROWN Site 0009
    Milwaukee, Wisconsin 53215, United States
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jun 28, 2019, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT02793778
Lead sponsor
Prometheus Laboratories
Collaborators
Nestlé Health Science Spain, Nestec Ltd.
Responsible party
Sponsor
First posted
Jun 8, 2016
Start date
Jul 2016
Primary completion
Jun 1, 2018
Completion
Jun 1, 2018
Last update
Jun 28, 2019

Study contacts

James Lewis, M.D.
study chair · University of Pennsylvania

Oversight

Data monitoring committee
Yes
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is terminated, as verified in Jun 2019. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion