Trial Outcomes & Findings for Efficacy of Dupilumab on Facilitated Food Introduction in Eosinophilic Esophagitis (NCT NCT05247866)

NCT ID: NCT05247866

Last Updated: 2025-11-10

Results Overview

Eosinophils per high power field on esophageal biopsy

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

21 participants

Primary outcome timeframe

week 24

Results posted on

2025-11-10

Participant Flow

21 patients recruited

Open label study, all assigned dupilumab

Participant milestones

Participant milestones
Measure
Study Group
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Overall Study
STARTED
21
Overall Study
COMPLETED
14
Overall Study
NOT COMPLETED
7

Reasons for withdrawal

Reasons for withdrawal
Measure
Study Group
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Overall Study
Adverse Event
2
Overall Study
Lack of Efficacy
1
Overall Study
Protocol Violation
1
Overall Study
Withdrawal by Subject
3

Baseline Characteristics

Efficacy of Dupilumab on Facilitated Food Introduction in Eosinophilic Esophagitis

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Study Group
n=21 Participants
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Race (NIH/OMB)
More than one race
1 Participants
n=5 Participants
Age, Categorical
<=18 years
21 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
0 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
Sex: Female, Male
Female
4 Participants
n=5 Participants
Sex: Female, Male
Male
17 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
1 Participants
n=5 Participants
Race (NIH/OMB)
White
19 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
Atopy
19 Count of Participants
n=5 Participants

PRIMARY outcome

Timeframe: week 24

Population: 5 patients dropped out to subject withrdraw and anxiety due to injections before completing this endpoint

Eosinophils per high power field on esophageal biopsy

Outcome measures

Outcome measures
Measure
Study Group
n=16 Participants
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Esophageal Eosinophilia (Number of Eosinophils in the Esophagus)
5.3 eosinophils/high power field
Standard Deviation 8.9

PRIMARY outcome

Timeframe: week 48

Population: 2 patients dropped before this time point

Eosinophils per high power field on esophageal biopsy

Outcome measures

Outcome measures
Measure
Study Group
n=14 Participants
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Esophageal Eosinophilia (Number of Eosinophils in the Esophagus)
2.6 eosinophils per high power field
Standard Deviation 4.5

PRIMARY outcome

Timeframe: week 36

Eosinophils per high power field on esophageal biopsy

Outcome measures

Outcome measures
Measure
Study Group
n=14 Participants
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Esophageal Eosinophilia (Number of Eosinophils in the Esophagus)
1.3 eosinophils/high power field
Standard Deviation 2.8

SECONDARY outcome

Timeframe: week 24

Min 0-Max-100, lower is better

Outcome measures

Outcome measures
Measure
Study Group
n=16 Participants
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Pediatric Eosinophilic Esophagitis Symptom Score (Total Score Based on Pediatric Symptom Score)
7.7 units on a scale
Standard Deviation 7.7

SECONDARY outcome

Timeframe: week 36

Min 0-Max-100, lower is better

Outcome measures

Outcome measures
Measure
Study Group
n=14 Participants
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Pediatric Eosinophilic Esophagitis Symptom Score (Total Score Based on Pediatric Symptom Score)
5.1 units on a scale
Standard Deviation 6.4

SECONDARY outcome

Timeframe: week 48

Min 0-Max-100, lower is better

Outcome measures

Outcome measures
Measure
Study Group
n=16 Participants
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Pediatric Eosinophilic Esophagitis Symptom Score (Total Score Based on Pediatric Symptom Score)
8 units on a scale
Standard Deviation 11.3

OTHER_PRE_SPECIFIED outcome

Timeframe: week 24

Less than 6 eosinophils per high power field in peak count in esophageal biopsy

Outcome measures

Outcome measures
Measure
Study Group
n=16 Participants
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Rate of Maintenance of Remission (Less Than <6 Eos/Hpf) in Esophageal Biopsy
12 Participants

OTHER_PRE_SPECIFIED outcome

Timeframe: week 36

Less than 6 eosinophils per high power field in peak count in esophageal biopsy

Outcome measures

Outcome measures
Measure
Study Group
n=14 Participants
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Rate of Maintenance of Remission (Less Than <6 Eos/Hpf) in Esophageal Biopsy
13 Participants

OTHER_PRE_SPECIFIED outcome

Timeframe: week 48

Less than 6 eosinophils per high power field in peak count in esophageal biopsy

Outcome measures

Outcome measures
Measure
Study Group
n=14 Participants
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Rate of Maintenance of Remission (Less Than <6 Eos/Hpf) in Esophageal Biopsy
11 Participants

OTHER_PRE_SPECIFIED outcome

Timeframe: Week 24

Less than 15 eosinophils per high power field in peak count in esophageal biopsy

Outcome measures

Outcome measures
Measure
Study Group
n=16 Participants
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Rate of Maintenance of Remission (Less Than <15 Eos/Hpf) in Esophageal Biopsy
14 Participants

OTHER_PRE_SPECIFIED outcome

Timeframe: Week 36

Less than 15 eosinophils per high power field in peak count in esophageal biopsy

Outcome measures

Outcome measures
Measure
Study Group
n=14 Participants
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Rate of Maintenance of Remission (Less Than <15 Eos/Hpf) in Esophageal Biopsy
13 Participants

OTHER_PRE_SPECIFIED outcome

Timeframe: Week 48

Less than15 eosinophils per high power field in peak count in esophageal biopsy

Outcome measures

Outcome measures
Measure
Study Group
n=14 Participants
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Rate of Maintenance of Remission (Less Than <15 Eos/Hpf) in Esophageal Biopsy
13 Participants

OTHER_PRE_SPECIFIED outcome

Timeframe: week 24

Changes from baseline from upper endoscopy validated score (0-10), lower is better

Outcome measures

Outcome measures
Measure
Study Group
n=16 Participants
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Change in Endoscopic Scoring System (EREFS)
0.6 units on a scale
Standard Deviation 0.9

OTHER_PRE_SPECIFIED outcome

Timeframe: week 36

Changes from baseline from upper endoscopy validated score (0-10), lower is better

Outcome measures

Outcome measures
Measure
Study Group
n=14 Participants
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Change in Endoscopic Scoring System (EREFS)
0.4 units on a scale
Standard Deviation 0.7

OTHER_PRE_SPECIFIED outcome

Timeframe: week 48

Changes from baseline from upper endoscopy validated score (0-10), lower is better

Outcome measures

Outcome measures
Measure
Study Group
n=14 Participants
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Change in Endoscopic Scoring System (EREFS)
0.2 units on a scale
Standard Deviation 0.4

OTHER_PRE_SPECIFIED outcome

Timeframe: week 24

Changes from baseline in EoE specific Health related Quality of Life (range 0-96), higher is worse

Outcome measures

Outcome measures
Measure
Study Group
n=19 Participants
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Changes in EoE Quality of Life From Baseline
7.06 units on a scale
Standard Deviation 6.84

OTHER_PRE_SPECIFIED outcome

Timeframe: week 36

Changes from baseline in EoE Health related Quality of Life (range 0-96), higher is worse

Outcome measures

Outcome measures
Measure
Study Group
n=14 Participants
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Changes in EoE Quality of Life From Baseline
5.14 units on a scale
Standard Deviation 6.44

OTHER_PRE_SPECIFIED outcome

Timeframe: week 48

Changes from baseline in EoE Health related Quality of Life (range 0-96), higher is worse

Outcome measures

Outcome measures
Measure
Study Group
n=14 Participants
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Changes in EoE Quality of Life From Baseline
8 units on a scale
Standard Deviation 11.31

Adverse Events

Study Group

Serious events: 1 serious events
Other events: 10 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Study Group
n=21 participants at risk
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Psychiatric disorders
Depression
4.8%
1/21 • Number of events 1 • Enrollment until end of follow-up (up to 52 weeks)

Other adverse events

Other adverse events
Measure
Study Group
n=21 participants at risk
30 patients will be given dupilumab (dose based on current approved doses or used in current EoE clinical trial, q weekly dosing) and monitored for clinical response after 12 weeks of therapy) Dosing: \>12 years of age \> 40 kg 300 SQ weekly 30- 40 kg 300 mg SQ Q2 weeks 15-29.9 kg 200 mg SQ Q2 weeks 6-11 years of age 5-15 kg 100 mg SQ Q2W 15-30 kg 200 mg SQ Q2W \>30-60 kg 300 mg SQ Q2W
Nervous system disorders
headache
19.0%
4/21 • Enrollment until end of follow-up (up to 52 weeks)
Infections and infestations
Upper respiratory infection
38.1%
8/21 • Enrollment until end of follow-up (up to 52 weeks)
Gastrointestinal disorders
abdominal Pain
19.0%
4/21 • Enrollment until end of follow-up (up to 52 weeks)
Skin and subcutaneous tissue disorders
Injection Reaction
23.8%
5/21 • Enrollment until end of follow-up (up to 52 weeks)
Gastrointestinal disorders
nausea
9.5%
2/21 • Enrollment until end of follow-up (up to 52 weeks)
Gastrointestinal disorders
diarrhea
9.5%
2/21 • Enrollment until end of follow-up (up to 52 weeks)
Respiratory, thoracic and mediastinal disorders
Congestion
9.5%
2/21 • Enrollment until end of follow-up (up to 52 weeks)

Additional Information

Jonathan Spergel

Children's Hospital of Philadelphia

Phone: 2155902549

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place

Restriction type: LTE60