The Intensive Post Exclusive Enteral Nutrition Study

NCT ID: NCT04225689

Last Updated: 2020-07-21

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

58 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-01-10

Study Completion Date

2024-02-29

Brief Summary

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Crohn's disease (CD) is a chronic inflammatory condition with phases where the disease is active and other, where there are no symptoms. Exclusive enteral nutrition (EEN), a liquid only diet without allowance of any extra food, is the main treatment for children with active CD. However, when children stop the liquid diet and return to their normal diet, most of them will experience an increase in their gut inflammation, mostly without symptoms initially. The aim of this study is to investigate this phenomenon by exploring if diet and gut bacteria play a role. Furthermore, the investigators aim to test whether a new, ordinary food-based diet, called the Crohn's Disease TReatment with EATing (CD-TREAT) diet can help control gut inflammation during the early food reintroduction phase, after EEN completion, compared to an unrestricted, free diet.

Detailed Description

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A maximum of 60 participants, who have successfully responded to EEN, will be allocated to the study arms with block randomisation, with a 1:1 allocation, in random size blocks. The electronic randomisation process will be performed by an independent researcher. Those participants who do not wish to be randomised to one of the two study arms, will be offered the chance to be allocated to the group of their preference. Using this approach, inclusion of all eligible participants will be ensured, as excluding those who do not wish to be randomised, may reduce the generalisation of findings and minimise statistical power of a study with modest eligible population to recruit from.

CD-TREAT diet (intervention group)

Participants in the intervention group will consume the CD-TREAT diet exclusively without being allowed to consume additional food, for the first 3 weeks of food reintroduction, after EEN completion. They will be provided with a tailored, dietitian-devised diet, which has been designed to replicate the nutritional composition of EEN. The intervention will be overseen by qualified dietitians, including a National Health Service (NHS) research dietitian.

Unrestricted diet (control group)

Participants in the control group will consume a free, unrestricted diet for the same period, as the intervention group.

Participants in both groups will record their diet on a daily basis. The investigators will meet the participants weekly to address any potential issues they may have during the trial and to review the dietary assessment process. Standard treatment for maintenance of clinical remission will be continued, as designated by the medical team.

Participants will be asked to provide serial faecal and urine samples (n=8). Collection of a maximum of 2 blood samples, anthropometric measurements and assessment of disease activity and quality of life will be performed before and after the end of the dietary intervention. Participants will also be followed through their clinical records until they clinically relapse, or maximum up to a year after EEN completion.

The primary endpoint is the comparison of faecal calprotectin levels between the two groups at the end of the dietary intervention (3 weeks after EEN completion).

Conditions

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Crohn Disease

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Electronic random block-size randomisation will be performed by a researcher not involved in study recruitment. Allocation to study arm will be revealed to participants after provision of informed consent.

Study Groups

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CD-TREAT diet

Solid food-based dietary intervention replicating composition of exclusive enteral nutrition (EEN).

Daily for a maximum of 21 days. Individualised diet based on energy requirements and physical activity levels.

Group Type EXPERIMENTAL

CD-TREAT diet

Intervention Type OTHER

Dietary intervention

Unrestricted diet

Free, unrestricted diet. Daily for a maximum of 21 days.

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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CD-TREAT diet

Dietary intervention

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

Newly diagnosed or relapsing patients with active CD, who have shown clinical improvement by the 4th week of EEN treatment

Exclusion Criteria

1. Administration of another induction treatment (e.g. corticosteroids, biologic agents).
2. Lack of clinical improvement with EEN treatment, as assessed by the clinical team.
3. Enrolment in other studies investigating the efficacy of novel therapies for maintenance or induction of remission.
4. Patients or families unable to provide written consent for participation in the study.
Minimum Eligible Age

6 Years

Maximum Eligible Age

17 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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University of Glasgow

OTHER

Sponsor Role collaborator

NHS Greater Glasgow and Clyde

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Richard K Russell, MBChB, MRCP, MRCPCH, PhD

Role: PRINCIPAL_INVESTIGATOR

NHS Greater Glasgow and Clyde

Konstantinos Gerasimidis, PhD, MSc, BSc, FHEA

Role: PRINCIPAL_INVESTIGATOR

University of Glasgow

Locations

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University Hospital Crosshouse

Crosshouse, , United Kingdom

Site Status NOT_YET_RECRUITING

Royal Hospital for Sick Children

Edinburgh, , United Kingdom

Site Status NOT_YET_RECRUITING

Royal Hospital for Children

Glasgow, , United Kingdom

Site Status RECRUITING

Forth Valley Royal Hospital

Larbert, , United Kingdom

Site Status NOT_YET_RECRUITING

University Hospital Wishaw

Wishaw, , United Kingdom

Site Status NOT_YET_RECRUITING

Countries

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United Kingdom

Central Contacts

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Konstantinos Gkikas, MSc, Bsc

Role: CONTACT

07759451611

Richard K Russell, MBChB, MRCP, MRCPCH, PhD

Role: CONTACT

01414516543

Other Identifiers

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GN19GA433P

Identifier Type: -

Identifier Source: org_study_id

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