Safety, Efficacy, and Tolerability Study of ASP3291 in Patients With Active Ulcerative Colitis

Recruitment & Eligibility

Status: COMPLETED

Sex: All

Target Recruitment: 112

Inclusion Criteria

Documented diagnosis of ulcerative colitis by endoscopy and histology consistent with diagnosis
Must be able to provide informed consent
Has a Modified Baron Score of at least 2 (as determined by the investigator) at 15 cm or more from the anal verge as assessed during the screening period
Has an Ulcerative Colitis Clinical Score (UCCS) of at least 4, with a stool frequency and rectal bleeding score of at least 1 as assessed during the screening period
If female, is at least 2 years postmenopausal, surgically sterile per documentation provided by a medical professional, agrees to sexual abstinence, or uses two approved highly effective methods of birth control during the study period and for 30 days after the last dose of study drug
If male, agrees to sexual abstinence or to use two highly effective methods of birth control during the study period and for 90 days after last dose; agrees to not donate sperm during the study period and for 90 days after last dose
Willing and able to comply with the study requirements

Exclusion Criteria

Has a history of any clinically significant neurological, renal, hepatic, gastrointestinal, pulmonary, metabolic, cardiovascular, psychiatric, endocrine, hematological disorder or disease, or any other medical condition that, in the investigator's opinion, would preclude participation in the study
Has severe Ulcerative Colitis as defined by an average bloody stool frequency of >6 per day and at least one of the following:
- Resting heart rate >90 bpm
- Oral temperature of >38°C (>100.4°F)
- Hemoglobin of <10.5 g/dL
Has has undergone previous resective colonic surgery
Has a significant or immediate risk for toxic megacolon
Has previous diagnosis with Crohn's disease, indeterminate colitis, microscopic colitis or acute diverticulitis based on medical history
Has an extension of disease limited to ulcerative proctitis (i.e., disease extension less than 15 cm from the anal verge)
Has an active peptic ulcer disease based on medical history
Shows a stool culture positive for enteric pathogens during the screening period
Had previous treatment with tumor necrosis factor-α (TNF α) inhibitors
Had treatment with rectal corticosteroid within 2 weeks before Day -2
Has active liver disease or alanine aminotransferase (ALT) or aspartate aminotransferase (AST) >2 times the upper limit of normal (ULN) at screening
Has an estimated glomerular filtration rate (using Cockroft-Gault formula corrected for body surface area) of <60 mL/min at screening
Known history of human immunodeficiency virus antibody
History of severe allergic or anaphylactic reactions requiring medical attention
Has participated in another investigational study within 30 days before Visit 3
History of drug or alcohol abuse in the past 2 years
Has previously participated in a study with ASP3291

Study & Design

Study Type: INTERVENTIONAL

Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Placebo	Placebo	-
ASP3291	ASP3291	-

Primary Outcome Measures

Name	Time	Method
Change from baseline (Visit 2) to Week 8 (Visit 7) in Modified Baron Score	Baseline to Week 8

Secondary Outcome Measures

Name	Time	Method
Change in Ulcerative Colitis Clinical Score of >3	Basline to Week 8
Ulcerative Colitis Clinical Score stool frequency and rectal bleeding score of 0	Week 8
Proportion of subjects with Modified Baron Score of 0 or 1 at Week 8 (Visit 7)	Week 8