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A Trial Evaluating EP-104IAR in Adults With Eosinophilic Esophagitis

Primary Purpose

Eosinophilic Esophagitis

Status
Recruiting
Phase
Phase 1
Locations
International
Study Type
Interventional
Intervention
EP-104IAR
Sponsored by
Eupraxia Pharmaceuticals Inc.
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Eosinophilic Esophagitis

Eligibility Criteria

18 Years - 75 Years (Adult, Older Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria: Symptomatic EoE; For women of childbearing potential, a negative pregnancy test and willing to use a highly effective method of birth control until end of study; Willing and able to adhere to study-related procedures and visit schedule; Willing and able to provide informed consent. Exclusion Criteria: Concomitant esophageal disease, relevant GI disease, or any condition, history, or laboratory abnormality that might interfere with the study; Oral or esophageal mucosal infection of any type (bacterial, viral, or fungal); Oropharyngeal or dental conditions that prevents normal eating; Severe esophageal motility disorders other than EoE; Contraindication to or factors that substantially increase risks associated with EGD or biopsy, or narrowing of the esophagus that precludes EGD with a standard 9-10 mm endoscope, stricture requiring dilation within 8 weeks prior to Screening, or the need for dilation prior to EGD at Baseline; Any condition for which the use of corticosteroids is contraindicated (Participants with well controlled non-insulin dependent diabetes are permitted); Active or quiescent systemic fungal, bacterial, viral, or parasitic infections, or ocular herpes simplex. Or recent use of IV or oral antibiotics; Hypersensitivity, or intolerance to corticosteroids, or to any of the ingredients in the investigational medicinal product; Recent use of disallowed medications, or unwillingness to not use disallowed medications during the study; Recent initiation of a elimination or elemental diet (dietary therapy must remain stable throughout the study); Morning serum cortisol level ≤ 5 μg/dL (138 nmol/L); Clinically significant abnormal laboratory values; Recent or currently planned participation in another interventional trial ; Previous participation in this study and had received study treatment; Females who are pregnant, breastfeeding, or planning to become pregnant during the study; Malignancies or history of malignancy within prior 5 years, except for treated or excised non-metastatic BCC, SCC of the skin, or cervical carcinoma in situ; History of alcohol or drug abuse; Any other reason, that, in the Investigator's opinion, unfavorably alters participant risk, confounds results, or prevents the participant from complying with study requirements.

Sites / Locations

  • Princess Alexandra HospitalRecruiting
  • Royal Adelaide HospitalRecruiting
  • G.I. Research InstituteRecruiting
  • Amsterdam UMCRecruiting

Arms of the Study

Arm 1

Arm 2

Arm 3

Arm 4

Arm 5

Arm 6

Arm 7

Arm 8

Arm Type

Experimental

Experimental

Experimental

Experimental

Experimental

Experimental

Experimental

Experimental

Arm Label

EP-104IAR 4 mg

EP-104IAR 8 mg

EP-104IAR 12 mg

EP-104IAR 16 mg

EP-104IAR 10 mg

EP-104IAR 20 mg

EP-104IAR 30 mg

EP-104IAR 40 mg

Arm Description

4 submucosal injections of EP-104IAR administered during an EGD procedure at the Baseline/Dosing visit.

8 submucosal injections of EP-104IAR administered during an EGD procedure at the Baseline/Dosing visit.

12 submucosal injections of EP-104IAR administered during an EGD procedure at the Baseline/Dosing visit.

16 submucosal injections of EP-104IAR administered during an EGD procedure at the Baseline/Dosing visit.

4 submucosal injections of EP-104IAR administered during an EGD procedure at the Baseline/Dosing visit.

8 submucosal injections of EP-104IAR administered during an EGD procedure at the Baseline/Dosing visit.

12 submucosal injections of EP-104IAR administered during an EGD procedure at the Baseline/Dosing visit.

16 submucosal injections of EP-104IAR administered during an EGD procedure at the Baseline/Dosing visit.

Outcomes

Primary Outcome Measures

Incidence of treatment emergent adverse events (TEAEs)
TEAEs will be summarized by dose/cohort
Severity of treatment emergent adverse events (TEAEs)
TEAEs will be summarized by dose/cohort and severity (mild, moderate, severe).
Change from baseline in morning serum cortisol levels
Cortisol will be will be summarized by dose/cohort and over time and compared to pre-dose values. A prolonged and clinically significant reduction in cortisol may indicate adrenal insufficiency.
Plasma concentrations of fluticasone propionate
Plasma concentrations of fluticasone propionate over time will be used to calculate PK parameters for each dose/cohort.

Secondary Outcome Measures

Peak eosinophil count (PEC)
Biopsy specimens will be used to evaluate peak eosinophil counts (PEC). A higher number of eosinophils indicates more severe histological disease.
Peak eosinophil count (PEC)
Biopsy specimens will be used to evaluate peak eosinophil counts (PEC). A higher number of eosinophils indicates more severe histological disease.
Change from baseline in the Straumann Dysphagia Index (SDI) score
The SDI is a patient-reported outcome measure of dysphagia with a 7-day recall period. The SDI assesses the frequency and intensity of dysphagia on two separate 5-point and 6-point scales. Total SDI scores are calculated by adding the two sub-scores (range, 0-9), with a higher total score indicating more severe dysphagia.
Change from baseline in the Straumann Dysphagia Index (SDI) score
The SDI is a patient-reported outcome measure of dysphagia with a 7-day recall period. The SDI assesses the frequency and intensity of dysphagia on two separate 5-point and 6-point scales. Total SDI scores are calculated by adding the two sub-scores (range, 0-9), with a higher total score indicating more severe dysphagia.
Change from baseline in the Straumann Dysphagia Index (SDI) score
The SDI is a patient-reported outcome measure of dysphagia with a 7-day recall period. The SDI assesses the frequency and intensity of dysphagia on two separate 5-point and 6-point scales. Total SDI scores are calculated by adding the two sub-scores (range, 0-9), with a higher total score indicating more severe dysphagia.
Change from baseline in the Straumann Dysphagia Index (SDI) score
The SDI is a patient-reported outcome measure of dysphagia with a 7-day recall period. The SDI assesses the frequency and intensity of dysphagia on two separate 5-point and 6-point scales. Total SDI scores are calculated by adding the two sub-scores (range, 0-9), with a higher total score indicating more severe dysphagia.
Change from baseline in dysphagia measured on an 11 point Likert scale
The participant will assess the severity of their dysphagia symptoms (troubles to swallow) over the previous 7-days using an 11-point Likert scale where 0 = no trouble and 10 = most severe trouble swallowing.
Change from baseline in dysphagia measured on an 11 point Likert scale
The participant will assess the severity of their dysphagia symptoms (troubles to swallow) over the previous 7-days using an 11-point Likert scale where 0 = no trouble and 10 = most severe trouble swallowing.
Change from baseline in dysphagia measured on an 11 point Likert scale
The participant will assess the severity of their dysphagia symptoms (troubles to swallow) over the previous 7-days using an 11-point Likert scale where 0 = no trouble and 10 = most severe trouble swallowing.
Change from baseline in odynophagia measured on an 11 point Likert scale
The participant will assess the severity of their pain during swallowing over the previous 7 days using an 11 point Likert scale where 0 = no pain and 10 = most severe pain during swallowing.
Change from baseline in odynophagia measured on an 11 point Likert scale
The participant will assess the severity of their pain during swallowing over the previous 7 days using an 11 point Likert scale where 0 = no pain and 10 = most severe pain during swallowing.
Change from baseline in odynophagia measured on an 11 point Likert scale
The participant will assess the severity of their pain during swallowing over the previous 7 days using an 11 point Likert scale where 0 = no pain and 10 = most severe pain during swallowing.
Change from baseline in the EoE Endoscopic Reference Score (EREFS)
Endoscopic Reference Score (EREFS) scoring system is used to determine the severity of 5 endoscopic findings: edema, rings, exudates, furrows, and strictures. The total EREFS is calculated by summing the grades of the 5 individual endoscopic items (range, 0 to 9), with higher scores indicating more severe endoscopic disease.
Change from baseline in the EoE Endoscopic Reference Score (EREFS)
Endoscopic Reference Score (EREFS) scoring system is used to determine the severity of 5 endoscopic findings: edema, rings, exudates, furrows, and strictures. The total EREFS is calculated by summing the grades of the 5 individual endoscopic items (range, 0 to 9), with higher scores indicating more severe endoscopic disease.
Change from baseline in EoE Histology Scoring System (EoEHSS) score
The EoEHSS scores the stage and grade of 8 histologic items: eosinophil inflammation, basal zone hyperplasia, dilated intercellular spaces, eosinophil abscesses, surface layering, surface epithelial alteration, dyskeratotic epithelial cells and lamina propria fibrosis), on separate 4-point Likert scales. A composite EoEHSS grade and stage scores are calculated by summing the individual grade and stage items and dividing by the maximum score for evaluated items (range, 0-1). A lower score indicates improvement.
Change from baseline in EoE Histology Scoring System (EoEHSS) score
The EoEHSS scores the stage and grade of 8 histologic items: eosinophil inflammation, basal zone hyperplasia, dilated intercellular spaces, eosinophil abscesses, surface layering, surface epithelial alteration, dyskeratotic epithelial cells and lamina propria fibrosis), on separate 4-point Likert scales. A composite EoEHSS grade and stage scores are calculated by summing the individual grade and stage items and dividing by the maximum score for evaluated items (range, 0-1). A lower score indicates improvement.

Full Information

First Posted
October 19, 2022
Last Updated
August 11, 2023
Sponsor
Eupraxia Pharmaceuticals Inc.
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1. Study Identification

Unique Protocol Identification Number
NCT05608681
Brief Title
A Trial Evaluating EP-104IAR in Adults With Eosinophilic Esophagitis
Official Title
A Phase 1b, Open Label Trial Evaluating the Safety, Pharmacokinetics, and Efficacy of EP-104IAR in Adults With Eosinophilic Esophagitis (EoE)
Study Type
Interventional

2. Study Status

Record Verification Date
August 2023
Overall Recruitment Status
Recruiting
Study Start Date
March 31, 2023 (Actual)
Primary Completion Date
November 2024 (Anticipated)
Study Completion Date
November 2024 (Anticipated)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Eupraxia Pharmaceuticals Inc.

4. Oversight

Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
No

5. Study Description

Brief Summary
An open-label, dose-escalation study to explore the safety, tolerability and pharmacokinetics of EP-104IAR in adults with eosinophilic esophagitis (EoE). Endoscopic and histologic assessments will also be evaluated to understand the local effects of EP-104IAR on eosinophilic EoE disease activity. The study will evaluate up to 8 doses of EP-104IAR (4 mg to 40 mg) in cohorts of 3 to 6 participants per cohort. If all planned cohorts are evaluated, or cohorts need to be repeated, up to 24 participants could be enrolled. The study involves 7 site visits spread over approximately 32 weeks. All participants will receive active study drug (EP-104IAR), The study drug will be administered by qualified personnel during an esophagogastroduodenoscopy (EGD) procedure at the Baseline/Dosing visit. Safety will be assessed throughout the study. Blood and urine samples will be collected at site visits for laboratory assessments and to measure plasma levels of EP-104IAR. Participants will complete questionnaires to assess symptoms of dysphagia and odynophagia and will undergo 3 EGDs with esophageal biopsies at the Baseline/Dosing Visit, and at 4 and 12 weeks post dose.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Eosinophilic Esophagitis

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 1
Interventional Study Model
Single Group Assignment
Masking
None (Open Label)
Allocation
Non-Randomized
Enrollment
24 (Anticipated)

8. Arms, Groups, and Interventions

Arm Title
EP-104IAR 4 mg
Arm Type
Experimental
Arm Description
4 submucosal injections of EP-104IAR administered during an EGD procedure at the Baseline/Dosing visit.
Arm Title
EP-104IAR 8 mg
Arm Type
Experimental
Arm Description
8 submucosal injections of EP-104IAR administered during an EGD procedure at the Baseline/Dosing visit.
Arm Title
EP-104IAR 12 mg
Arm Type
Experimental
Arm Description
12 submucosal injections of EP-104IAR administered during an EGD procedure at the Baseline/Dosing visit.
Arm Title
EP-104IAR 16 mg
Arm Type
Experimental
Arm Description
16 submucosal injections of EP-104IAR administered during an EGD procedure at the Baseline/Dosing visit.
Arm Title
EP-104IAR 10 mg
Arm Type
Experimental
Arm Description
4 submucosal injections of EP-104IAR administered during an EGD procedure at the Baseline/Dosing visit.
Arm Title
EP-104IAR 20 mg
Arm Type
Experimental
Arm Description
8 submucosal injections of EP-104IAR administered during an EGD procedure at the Baseline/Dosing visit.
Arm Title
EP-104IAR 30 mg
Arm Type
Experimental
Arm Description
12 submucosal injections of EP-104IAR administered during an EGD procedure at the Baseline/Dosing visit.
Arm Title
EP-104IAR 40 mg
Arm Type
Experimental
Arm Description
16 submucosal injections of EP-104IAR administered during an EGD procedure at the Baseline/Dosing visit.
Intervention Type
Drug
Intervention Name(s)
EP-104IAR
Intervention Description
Long-acting fluticasone propionate for injection
Primary Outcome Measure Information:
Title
Incidence of treatment emergent adverse events (TEAEs)
Description
TEAEs will be summarized by dose/cohort
Time Frame
12 weeks
Title
Severity of treatment emergent adverse events (TEAEs)
Description
TEAEs will be summarized by dose/cohort and severity (mild, moderate, severe).
Time Frame
12 weeks
Title
Change from baseline in morning serum cortisol levels
Description
Cortisol will be will be summarized by dose/cohort and over time and compared to pre-dose values. A prolonged and clinically significant reduction in cortisol may indicate adrenal insufficiency.
Time Frame
12 weeks
Title
Plasma concentrations of fluticasone propionate
Description
Plasma concentrations of fluticasone propionate over time will be used to calculate PK parameters for each dose/cohort.
Time Frame
12 weeks
Secondary Outcome Measure Information:
Title
Peak eosinophil count (PEC)
Description
Biopsy specimens will be used to evaluate peak eosinophil counts (PEC). A higher number of eosinophils indicates more severe histological disease.
Time Frame
4 weeks
Title
Peak eosinophil count (PEC)
Description
Biopsy specimens will be used to evaluate peak eosinophil counts (PEC). A higher number of eosinophils indicates more severe histological disease.
Time Frame
12 weeks
Title
Change from baseline in the Straumann Dysphagia Index (SDI) score
Description
The SDI is a patient-reported outcome measure of dysphagia with a 7-day recall period. The SDI assesses the frequency and intensity of dysphagia on two separate 5-point and 6-point scales. Total SDI scores are calculated by adding the two sub-scores (range, 0-9), with a higher total score indicating more severe dysphagia.
Time Frame
2 weeks
Title
Change from baseline in the Straumann Dysphagia Index (SDI) score
Description
The SDI is a patient-reported outcome measure of dysphagia with a 7-day recall period. The SDI assesses the frequency and intensity of dysphagia on two separate 5-point and 6-point scales. Total SDI scores are calculated by adding the two sub-scores (range, 0-9), with a higher total score indicating more severe dysphagia.
Time Frame
4 weeks
Title
Change from baseline in the Straumann Dysphagia Index (SDI) score
Description
The SDI is a patient-reported outcome measure of dysphagia with a 7-day recall period. The SDI assesses the frequency and intensity of dysphagia on two separate 5-point and 6-point scales. Total SDI scores are calculated by adding the two sub-scores (range, 0-9), with a higher total score indicating more severe dysphagia.
Time Frame
8 weeks
Title
Change from baseline in the Straumann Dysphagia Index (SDI) score
Description
The SDI is a patient-reported outcome measure of dysphagia with a 7-day recall period. The SDI assesses the frequency and intensity of dysphagia on two separate 5-point and 6-point scales. Total SDI scores are calculated by adding the two sub-scores (range, 0-9), with a higher total score indicating more severe dysphagia.
Time Frame
12 weeks
Title
Change from baseline in dysphagia measured on an 11 point Likert scale
Description
The participant will assess the severity of their dysphagia symptoms (troubles to swallow) over the previous 7-days using an 11-point Likert scale where 0 = no trouble and 10 = most severe trouble swallowing.
Time Frame
4 weeks
Title
Change from baseline in dysphagia measured on an 11 point Likert scale
Description
The participant will assess the severity of their dysphagia symptoms (troubles to swallow) over the previous 7-days using an 11-point Likert scale where 0 = no trouble and 10 = most severe trouble swallowing.
Time Frame
8 weeks
Title
Change from baseline in dysphagia measured on an 11 point Likert scale
Description
The participant will assess the severity of their dysphagia symptoms (troubles to swallow) over the previous 7-days using an 11-point Likert scale where 0 = no trouble and 10 = most severe trouble swallowing.
Time Frame
12 weeks
Title
Change from baseline in odynophagia measured on an 11 point Likert scale
Description
The participant will assess the severity of their pain during swallowing over the previous 7 days using an 11 point Likert scale where 0 = no pain and 10 = most severe pain during swallowing.
Time Frame
4 weeks
Title
Change from baseline in odynophagia measured on an 11 point Likert scale
Description
The participant will assess the severity of their pain during swallowing over the previous 7 days using an 11 point Likert scale where 0 = no pain and 10 = most severe pain during swallowing.
Time Frame
8 weeks
Title
Change from baseline in odynophagia measured on an 11 point Likert scale
Description
The participant will assess the severity of their pain during swallowing over the previous 7 days using an 11 point Likert scale where 0 = no pain and 10 = most severe pain during swallowing.
Time Frame
12 weeks
Title
Change from baseline in the EoE Endoscopic Reference Score (EREFS)
Description
Endoscopic Reference Score (EREFS) scoring system is used to determine the severity of 5 endoscopic findings: edema, rings, exudates, furrows, and strictures. The total EREFS is calculated by summing the grades of the 5 individual endoscopic items (range, 0 to 9), with higher scores indicating more severe endoscopic disease.
Time Frame
4 weeks
Title
Change from baseline in the EoE Endoscopic Reference Score (EREFS)
Description
Endoscopic Reference Score (EREFS) scoring system is used to determine the severity of 5 endoscopic findings: edema, rings, exudates, furrows, and strictures. The total EREFS is calculated by summing the grades of the 5 individual endoscopic items (range, 0 to 9), with higher scores indicating more severe endoscopic disease.
Time Frame
12 weeks
Title
Change from baseline in EoE Histology Scoring System (EoEHSS) score
Description
The EoEHSS scores the stage and grade of 8 histologic items: eosinophil inflammation, basal zone hyperplasia, dilated intercellular spaces, eosinophil abscesses, surface layering, surface epithelial alteration, dyskeratotic epithelial cells and lamina propria fibrosis), on separate 4-point Likert scales. A composite EoEHSS grade and stage scores are calculated by summing the individual grade and stage items and dividing by the maximum score for evaluated items (range, 0-1). A lower score indicates improvement.
Time Frame
4 weeks
Title
Change from baseline in EoE Histology Scoring System (EoEHSS) score
Description
The EoEHSS scores the stage and grade of 8 histologic items: eosinophil inflammation, basal zone hyperplasia, dilated intercellular spaces, eosinophil abscesses, surface layering, surface epithelial alteration, dyskeratotic epithelial cells and lamina propria fibrosis), on separate 4-point Likert scales. A composite EoEHSS grade and stage scores are calculated by summing the individual grade and stage items and dividing by the maximum score for evaluated items (range, 0-1). A lower score indicates improvement.
Time Frame
12 weeks

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
75 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: Symptomatic EoE; For women of childbearing potential, a negative pregnancy test and willing to use a highly effective method of birth control until end of study; Willing and able to adhere to study-related procedures and visit schedule; Willing and able to provide informed consent. Exclusion Criteria: Concomitant esophageal disease, relevant GI disease, or any condition, history, or laboratory abnormality that might interfere with the study; Oral or esophageal mucosal infection of any type (bacterial, viral, or fungal); Oropharyngeal or dental conditions that prevents normal eating; Severe esophageal motility disorders other than EoE; Contraindication to or factors that substantially increase risks associated with EGD or biopsy, or narrowing of the esophagus that precludes EGD with a standard 9-10 mm endoscope, stricture requiring dilation within 8 weeks prior to Screening, or the need for dilation prior to EGD at Baseline; Any condition for which the use of corticosteroids is contraindicated (Participants with well controlled non-insulin dependent diabetes are permitted); Active or quiescent systemic fungal, bacterial, viral, or parasitic infections, or ocular herpes simplex. Or recent use of IV or oral antibiotics; Hypersensitivity, or intolerance to corticosteroids, or to any of the ingredients in the investigational medicinal product; Recent use of disallowed medications, or unwillingness to not use disallowed medications during the study; Recent initiation of a elimination or elemental diet (dietary therapy must remain stable throughout the study); Morning serum cortisol level ≤ 5 μg/dL (138 nmol/L); Clinically significant abnormal laboratory values; Recent or currently planned participation in another interventional trial ; Previous participation in this study and had received study treatment; Females who are pregnant, breastfeeding, or planning to become pregnant during the study; Malignancies or history of malignancy within prior 5 years, except for treated or excised non-metastatic BCC, SCC of the skin, or cervical carcinoma in situ; History of alcohol or drug abuse; Any other reason, that, in the Investigator's opinion, unfavorably alters participant risk, confounds results, or prevents the participant from complying with study requirements.
Central Contact Person:
First Name & Middle Initial & Last Name or Official Title & Degree
Christine Dobek, MSc
Phone
778-873-8939
Email
cdobek@eupraxiapharma.com
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Amanda Malone, PhD
Organizational Affiliation
Eupraxia Pharmaceuticals
Official's Role
Study Director
Facility Information:
Facility Name
Princess Alexandra Hospital
City
Brisbane
State/Province
Queensland
Country
Australia
Individual Site Status
Recruiting
Facility Contact:
First Name & Middle Initial & Last Name & Degree
Teressa Hansen
Email
Teressa.Hansen@health.qld.gov.au
First Name & Middle Initial & Last Name & Degree
Gerald Holtmann, MD
Facility Name
Royal Adelaide Hospital
City
Adelaide
State/Province
South Australia
Country
Australia
Individual Site Status
Recruiting
Facility Contact:
First Name & Middle Initial & Last Name & Degree
Joshua Zobel
Email
joshua.zobel@sa.gov.au
First Name & Middle Initial & Last Name & Degree
Nam Nguyen, MD
Facility Name
G.I. Research Institute
City
Vancouver
State/Province
British Columbia
ZIP/Postal Code
V6Z 2K5
Country
Canada
Individual Site Status
Recruiting
Facility Contact:
First Name & Middle Initial & Last Name & Degree
Leo Yamamoto
Email
leoy@giribc.com
First Name & Middle Initial & Last Name & Degree
Hin Hin Ko, MD
Facility Name
Amsterdam UMC
City
Amsterdam
ZIP/Postal Code
1105
Country
Netherlands
Individual Site Status
Recruiting
Facility Contact:
First Name & Middle Initial & Last Name & Degree
Aaltje Lei
Email
a.lei@amsterdamumc.nl
First Name & Middle Initial & Last Name & Degree
A J Bredenoord, MD

12. IPD Sharing Statement

Plan to Share IPD
No

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A Trial Evaluating EP-104IAR in Adults With Eosinophilic Esophagitis

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