The trial is taking place at:
B

Bispebjerg Hospital | Dermatologisk Afdeling

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STENOVA - A Study to Evaluate Safety, Tolerability, PK and PD of AGMB-129 in Patients With Fibrostenotic Crohn's Disease

A

Agomab

Status and phase

Enrolling
Phase 2

Conditions

Fibrostenotic Crohn's Disease

Treatments

Drug: Placebo
Drug: AGMB-129

Study type

Interventional

Funder types

Industry

Identifiers

NCT05843578
AGMB-129-C102

Details and patient eligibility

About

Many patients with Crohn's disease develop fibrotic narrowing (strictures) in their bowel, causing obstructive symptoms such as abdominal pain, cramping, or vomiting after meals. Because of these symptoms, patients often require bowel resection surgery. The objective of this clinical trial is to evaluate the safety, pharmacokinetics, and pharmacodynamics of AGMB-129 in patients with Crohn's disease and symptomatic strictures, and whether it can have a beneficial effect on intestinal strictures. The participants will be in the study for a total duration of up to 19 weeks, including a 5-week screening period, a 12-week double-blind, placebo-controlled treatment period where they will receive either a high or low dose or placebo (1:1:1), and 2-week safety follow-up period

Full description

This is a randomized, placebo-controlled, double-blind, parallel, multicenter, phase 2a study in participants with Crohn's disease and symptomatic intestinal strictures. This study consists of 3 periods (a screening period, a placebo-controlled, double-blind treatment period, and safety follow-up). After signing informed consent, eligibility will be assessed during a 5-week screening period. The presence of qualifying intestinal strictures will be assessed by ileocolonoscopy and magnetic resonance enterography (MRE). The presence of obstructive symptoms will be also evaluated. Eligible participants will be randomized 1:1:1 to receive AGMB-129 high dose, low dose or placebo for 12 weeks. During Screening and Week 12 visits, participants will undergo ileocolonoscopy with biopsy collection for exploring pharmacodynamics. Participants will have blood sample collection at Weeks 2, 4, 8, and 12 to assess safety, pharmacokinetics, and pharmacodynamics. Throughout the study, participants will undergo routine safety assessments at study visits, which will include physical examination, vital signs, clinical laboratory assessment, electrocardiogram (ECG), and recording of AEs.

Enrollment

90 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

1. Diagnosis of ileal or ileocolonic CD based on supporting guideline criteria (eg, clinical, endoscopic, and histologic evidence) established at least 3 months prior to screening. 2. Presence of at least 1 stricture in the terminal ileum within reach of an endoscope (passable or nonpassable).Strictures should be noncritical, naïve or anastomotic stricture(s), caused by CD and confirmed centrally by MRE according to the following criteria: * Localized luminal narrowing (luminal diameter ≤50% relative to normal adjacent bowel); AND * Bowel wall thickening (≥25% relative to adjacent bowel; AND * Either prestenotic dilation (defined as a luminal diameter ≥3 cm) or nonpassable with adult colonoscope 3. Presence of tolerable obstructive symptoms, as defined by a screening S-PRO severity score ≥2, and not expected to require hospitalization, endoscopic balloon dilation, surgical resection, or additional therapy during the study. Participant should have sufficient food intake, even with diet modification. 4. Stable background therapy for CD and agree to maintain background therapy for the study duration

Exclusion criteria

1. History or current diagnosis of ulcerative colitis, indeterminate colitis, ischemic colitis, nonsteroidal anti-inflammatory drug-induced colitis, idiopathic colitis (ie, colitis not consistent with CD), radiation colitis, microscopic colitis, colonic mucosal dysplasia, or untreated bile acid malabsorption. 2. CD-related complications (previous extensive small bowel resection, ileorectal anastomosis, proctocolectomy, short bowel syndrome, ileostomy \[diverting or end\], colostomy, small bowel stoma, ileoanal pouch, inactive fistulae in or adjacent to an ileal stricture, anal and perianal stricture, active intra-abdominal or perianal abscess that has not been appropriately treated, abscess in relation to the stricture, toxic megacolon, very severe inflammation, or presence of deep ulceration in the colon or terminal ileum). 3. Ileitis not associated with CD (eg, ileitis associated with infections, spondyloarthropathies, ischemia, etc.). 4. Endoscopic balloon dilation or surgical treatment of the same small bowel stricture within the last 6 months prior to screening 5. Receiving cyclosporine, tacrolimus, sirolimus, or mycophenolate mofetil within 8 weeks of screening or Janus kinase inhibitor therapy within 4 weeks of screening. 6. Requiring continued treatment with systemically administered medications that are sensitive CYP3A4/5 substrates with a narrow therapeutic index or strong inhibitors of aldehyde oxidase or xanthine oxidase. 7. Current or history of vasculitis, valvulopathy or large vessel disorder or major abnormalities documented by cardiac echocardiography with Doppler

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

90 participants in 3 patient groups

AGMB-129 High
Experimental group
Description:
AGMB-129 high dose
Treatment:
Drug: AGMB-129
AGMB-129 Low
Experimental group
Description:
AGMB-129 low dose
Treatment:
Drug: AGMB-129
Placebo
Experimental group
Description:
Matching placebo
Treatment:
Drug: Placebo

Trial contacts and locations

31

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Central trial contact

Tim Van Kaem

Data sourced from clinicaltrials.gov

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