A Phase 2 Study to Evaluate the Efficacy and Safety of Live SK08 Powder in Adult Patients with Ac… (NCT06725017) | Clinical Trial Compass
Not Yet RecruitingPhase 2
A Phase 2 Study to Evaluate the Efficacy and Safety of Live SK08 Powder in Adult Patients with Active Mild to Moderate Ulcerative Colitis
60 participantsStarted 2025-07-01
Plain-language summary
This is a Phase 2, multi-center, randomized, double-blind, placebo-controlled study to preliminarily evaluate the efficacy and safety of SK08 in adult patients with active mild to moderate UC. Each subject will undergo three study periods: screening, induction treatment period and a safety follow-up period.
Who can participate
Age range18 Years – 75 Years
SexALL
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Inclusion criteria
✓. Subjects who voluntarily sign the informed consent form and are able to comply with the study protocol and have the ability to follow relevant procedures.
✓. Male and female subjects aged 18-75 years (inclusive) at the time of signing the informed consent.
✓. Ulcerative colitis diagnosed by routine clinical, endoscopy, and pathologic criteria for at least 3 months.
✓. Subjects with active mild to moderate UC as defined by modified Mayo Score (mMS) of 4-10 (both inclusive), including an endoscopy sub-score of at least 2 and a rectal bleeding sub-score of at least 1.
✓. The lesion extends beyond the rectum (colonoscopy shows that the lesion is \> 15 cm from the anal verge).
✓. Have had no response to, an inadequate response to, or an intolerance to standard 5-ASA treatment (including 5-ASA local treatment), no response or inadequate response means patients have persistent symptoms during treatment with 5-ASA at the recommended dose and treatment duration, intolerance means patients discontinue the 5-ASA treatment due to adverse events. Subjects receiving concurrent stable dose 5-ASA (i.e. no change in medication within 4 weeks of study enrollment and is not expected to change during the study) are permitted to be enrolled.
✓. If female, the subject is non-lactating, and is either: Not of childbearing potential, defined as postmenopausal for at least 1 year or surgically sterile due to bilateral tubal ligation, bilateral oophorectomy, or hysterectomy; Of childbearing potential and is practicing at least 1 highly effective method of birth control including the barrier method; oral or parenteral contraceptives; a vasectomized partner; or abstinence from sexual intercourse from the time of signing informed consent and until at least 3 months after the last dose of the study drug. The Investigator will discuss with the subject the option of practicing more than 1 of the above methods for the duration of the study. Subjects must have a negative serum pregnancy test within 7 days prior to the first dose of the study drug.
What they're measuring
1
Proportion of subjects achieving clinical remission at Week 8
✓. If male and partner is of childbearing potential, the subject agrees to practice at least one highly effective method of birth control from the time of signing the informed consent until at least 3 months after the last dose of the study drug.
Exclusion criteria
✕. Subjects with Crohn's disease, radiation colitis, diverticulitis, ischemic colitis, microscopic colitis, drug-related (e.g., NSAIDs, tretinoin, immune checkpoint inhibitors, mycophenolate, etc.) colitis, patients with indeterminate colitis, and patients with endoscopy/biopsy showing ileitis/granulomas with clinical suspicion of Crohn's disease.
✕. Malignancy or history of malignancy within the previous 5 years except for resected cutaneous basal cell or squamous cell carcinoma that has been treated with no evidence of recurrence.
✕. Subjects who received surgery within 30 days before the first dose of study drug or who plan to undergo surgery during the study.
✕. Subjects with other pathological conditions in the intestine, including colon dysplasia, intestinal stricture, tumor, intestinal fistula, intestinal obstruction, celiac disease, etc.
✕. Presence of any active or chronic recurrent infections.
✕. Subjects with previous colectomy, ostomy, J-pouch, or previous intestinal surgery (excluding cholecystectomy, appendectomy).
✕. Subjects with severe, progressive or uncontrolled renal, hepatic, hematological, endocrine, immune, cardiovascular, respiratory, neurological, or psychiatric disease.
✕. Subjects with poor concurrent medical risks with a clinically significant co-morbid disease such that, in the opinion of the Investigator, the subject should not be enrolled including: Subjects with decompensated liver cirrhosis (Child-Pugh Class B or C) or uncontrolled liver disease; History of pancreatitis; QTc \> 450 msec or QTc \> 480 msec for participants with bundle branch block at screening and Day 1. The QTc is the QT interval corrected for heart rate according to Fridericia's formula (QTcF); Prior history of bone marrow transplant; Known Hypogammaglobulinemia; Known severe immunodeficiency; AST ≥ 2 × the upper limit of normal (ULN) and/or ALT ≥ 2 × ULN and/or total bilirubin ≥ 2 × ULN; eGFR \< 60 mL/min/1.73 m² by Chronic Kidney Disease Epidemiology Collaboration equation (CKD-EPI) calculation; Absolute neutrophil count (ANC) \< 500 cells/μL.