NCT06598462

Brief Summary

Phase 2 study to evaluate the safety, tolerability, PK, immunogenicity, and pharmacodynamics of solrikitug in adult participants with eosinophilic esophagitis.

Trial Health

82
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
184

participants targeted

Target at P75+ for phase_2

Timeline
16mo left

Started Oct 2024

Typical duration for phase_2

Geographic Reach
9 countries

73 active sites

Status
active not recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress54%
Oct 2024Aug 2027

First Submitted

Initial submission to the registry

September 13, 2024

Completed
6 days until next milestone

First Posted

Study publicly available on registry

September 19, 2024

Completed
27 days until next milestone

Study Start

First participant enrolled

October 16, 2024

Completed
2.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 30, 2027

Expected
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

August 31, 2027

Last Updated

March 20, 2026

Status Verified

March 1, 2026

Enrollment Period

2.5 years

First QC Date

September 13, 2024

Last Update Submit

March 18, 2026

Conditions

Outcome Measures

Primary Outcomes (2)

  • Histological response of peak esophageal eosinophil per HPF count of ≤6

    Week 24

  • Change from baseline in DSQ (Dysphagia Symptom Questionnaire) score

    The DSQ score is calculated over 14-day period and ranges from 0 to 84, with a lower score indicating less severe dysphagia.

    Week 24

Secondary Outcomes (1)

  • Adverse events (AEs) and serious adverse events (SAEs)

    To Week 24

Study Arms (4)

Solrikitug low dose

EXPERIMENTAL

Solrikitug

Biological: Solrikitug Low Dose

Solrikitug mid dose

EXPERIMENTAL

Solrikitug

Biological: Solrikitug Mid Dose

Solrikitug high dose

EXPERIMENTAL

Solrikitug

Biological: Solrikitug High Dose

Placebo

PLACEBO COMPARATOR

Placebo

Other: Placebo

Interventions

Solrikitug low dose subcutaneous injection

Solrikitug low dose

Solrikitug mid dose subcutaneous injection

Solrikitug mid dose

Solrikitug high dose subcutaneous injection

Solrikitug high dose
PlaceboOTHER

Placebo subcutaneous injection

Placebo

Eligibility Criteria

Age18 Years - 75 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Part A
  • Participant must be 18 to 75 years of age inclusive, at the time of signing the informed consent.
  • Established diagnosis of EoE with a previous EGD and esophageal biopsy confirming diagnosis of EoE.
  • Participants who have symptomatic EoE as defined by a history of on average at least 2 episodes of dysphagia per week in the 4 weeks prior to Screening.
  • Must remain on a stabilized diet for at least 8 weeks prior to Visit 1 and during the course of the study.
  • May be on any background PPI and/or STC, during the course of the study, as long as background medications have been stable for at least 8 weeks prior to the Screening and must agree to no changes to background medication or dosage unless medically indicated.
  • Discontinuation of any marketed investigational drug or biologic (monoclonal or polyclonal antibody) within 30 days or 5 half-lives prior to screening, whichever is longer.
  • Participants should have previously documented standard of care treatment, which could include PPI and/or STC and/or diet.

You may not qualify if:

  • Part A
  • Female participant who is pregnant or breastfeeding.
  • Have a history or presence of any other gastrointestinal disorders such as active Helicobacter pylori infection, history of achalasia, hyper eosinophilic syndrome and eosinophilic granulomatosis with polyangiitis, esophageal varices, Crohn's disease, ulcerative colitis, inflammatory bowel disease, celiac disease, eosinophilic enteritis, gastritis, colitis, diverticulitis, irritable bowel syndrome, or other clinically significant gastrointestinal conditions as per Investigator discretion.
  • Esophageal stricture that prevents the easy passage of a standard endoscope or any critical esophageal stricture that requires dilation at screening.
  • Esophageal dilation performed within 8 weeks prior to screening.
  • Participant has a known hypersensitivity to any component of the formulation of solrikitug, including any of the excipients, or a history of anaphylactic reaction to any therapeutic monoclonal antibody.
  • Part B
  • Participants who, during Part A, developed a serious adverse event (SAE) and/or adverse event (AE) deemed related to study drug, which in the opinion of the investigator could indicate that continued treatment with study drug may present and unreasonable risk to the participant.
  • Participants who became pregnant during Part A.
  • Participants who are prematurely discontinued from study drug due to AE (patients who are prematurely discontinued from study drug due to lack of efficacy are eligible to enter Part B).
  • Patients who did not undergo endoscopy with biopsies prior to receiving rescue treatment.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (73)

Research Site 1039

Dothan, Alabama, 36305, United States

Location

Research Site 1018

Glendale, Arizona, 85306, United States

Location

Research Site 1018

Peoria, Arizona, 85306, United States

Location

Research Site 1037

Scottsdale, Arizona, 85258, United States

Location

Research Site 1003

Tucson, Arizona, 85715, United States

Location

Research Site 1023

Englewood, California, 90301, United States

Location

Research Site 1005

Irvine, California, 92618, United States

Location

Research Site 1015

San Diego, California, 92120, United States

Location

Research Site 1034

Aurora, Colorado, 80045, United States

Location

Research Site 1027

Cromwell, Connecticut, 06416, United States

Location

Research Site 1040

Inverness, Florida, 34452, United States

Location

Research Site 1001

Jacksonville, Florida, 32256, United States

Location

Research Site 1049

Miami, Florida, 33155, United States

Location

Research Site 1007

Boise, Idaho, 83706, United States

Location

Research Site 1048

Glenview, Illinois, 60026, United States

Location

Research Site 1022

Iowa City, Iowa, 52242, United States

Location

Research Site 1033

Topeka, Kansas, 66606, United States

Location

Research Site 1032

Chevy Chase, Maryland, 20815, United States

Location

Research Site 1004

Boston, Massachusetts, 02111, United States

Location

Research Site 1024

Ann Arbor, Michigan, 48109, United States

Location

Research Site 1013

Wyoming, Michigan, 49519, United States

Location

Research Site 1006

Plymouth, Minnesota, 55446, United States

Location

Research Site 1042

Creve Coeur, Missouri, 63141, United States

Location

Research Site 1016

Reno, Nevada, 89511, United States

Location

Research Site 1045

Freehold, New Jersey, 07728, United States

Location

Research Site 1043

Jackson, New Jersey, 08527, United States

Location

Research Site 1026

Chapel Hill, North Carolina, 27599, United States

Location

Research Site 1021

High Point, North Carolina, 27265, United States

Location

Research Site 1012

Columbus, Ohio, 43213, United States

Location

Research Site 1020

Harrisburg, Pennsylvania, 17110, United States

Location

Research Site 1030

Philadelphia, Pennsylvania, 19104, United States

Location

Research Site 1014

Dallas, Texas, 75230, United States

Location

Research Site 1008

Houston, Texas, 77494, United States

Location

Research Site 1036

Pearland, Texas, 77584, United States

Location

Research Site 1041

Rockwell, Texas, 75032, United States

Location

Research Site 1002

Ogden, Utah, 84405, United States

Location

Research Site 1019

Salt Lake City, Utah, 84132, United States

Location

Research Site 1017

Sandy City, Utah, 84092, United States

Location

Research Site 1108

Newcastle, New South Wales, 02111, Australia

Location

Research Site 1110

Maroochydore, Queensland, 4558, Australia

Location

Research Site 1103

South Brisbane, Queensland, 4101, Australia

Location

Research Site 1107

Woolloongabba, Queensland, 4102, Australia

Location

Research Site 1106

Box Hill, Victoria, 3128, Australia

Location

Research Site 1102

Fitzroy, Victoria, 3065, Australia

Location

Research Site 1101

Parkville, Victoria, 3010, Australia

Location

Research Site 1109

Murdoch, Western AUS, 6050, Australia

Location

Research Site 1111

Maroochydore, QLD 4558, Australia

Location

Research Site 1107

Woolloongabba, QLD 4102, Australia

Location

Research Site 1151

Leuven, VLG, 3000, Belgium

Location

Research Site 1152

Bruges, 8310, Belgium

Location

Research Site 1153

Tournai, 7500, Belgium

Location

Research Site 1252

Milan, Ca'Granada, 20122, Italy

Location

Research Site 1256

Campobasso, IT, 86100, Italy

Location

Research Site 1253

Padua, IT, 35128, Italy

Location

Research Site 1255

Roma, IT, 00168, Italy

Location

Research Site 1259

Pieve Emanuele, MI, 20072, Italy

Location

Research Site 1258

Verona, 37134, Italy

Location

Research Site 1303

Maastricht, AZ, 6202, Netherlands

Location

Research Site 1302

Rotterdam, 3000, Netherlands

Location

Research Site 1207

Lodz, 90-752, Poland

Location

Research Site 1202

Szczecin, 04-501, Poland

Location

Research Site 1205

Tychy, 43-100, Poland

Location

Research Site 1203

Warsaw, 00-189, Poland

Location

Research Site 1206

Warsaw, 02-781, Poland

Location

Research Site 1204

Warsaw, 04-141, Poland

Location

Research Site 1201

Warsaw, 04-501, Poland

Location

Research Site 1354

Barcelona, 08022, Spain

Location

Research Site 1353

Madrid, 28006, Spain

Location

Research Site 1352

Madrid, 28040, Spain

Location

Research Site 1351

Tomelloso, 13700, Spain

Location

Research Site 1402

Zurich, 8044, Switzerland

Location

Research Site 1551

Whitechapel, London, E1 1BB, United Kingdom

Location

Research Site 1553

London, Tooting, SW17 0GT, United Kingdom

Location

MeSH Terms

Conditions

Eosinophilic Esophagitis

Condition Hierarchy (Ancestors)

EsophagitisEsophageal DiseasesGastrointestinal DiseasesDigestive System DiseasesGastroenteritisEosinophiliaLeukocyte DisordersHematologic DiseasesHemic and Lymphatic DiseasesHypersensitivity, ImmediateHypersensitivityImmune System Diseases

Study Officials

  • Andrew W Lee, MD

    Vice President, Clinical Research

    STUDY CHAIR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 13, 2024

First Posted

September 19, 2024

Study Start

October 16, 2024

Primary Completion (Estimated)

April 30, 2027

Study Completion (Estimated)

August 31, 2027

Last Updated

March 20, 2026

Record last verified: 2026-03

Locations