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An Early Phase 2 Clinical Study of KSP-0243

Phase 2
Completed
Conditions
Colitis, Ulcerative
Interventions
Drug: Placebo
Registration Number
NCT05831670
Lead Sponsor
Kissei Pharmaceutical Co., Ltd.
Brief Summary

A phase 2a, randomized, double-blind, placebo-controlled, multicenter, parallel-group study to administer KSP-0243 or a placebo once daily after breakfast for 8 weeks in 100 patients with mild to moderate active ulcerative colitis.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
108
Inclusion Criteria
  • Patients aged 18 to 74 years old (both inclusive)
  • Patients who have been given the diagnosis of ulcerative colitis for at least 12 weeks
  • Patients with an endoscopic view typically seen with ulcerative colitis spreading > 15 cm from the anal verge
  • Patients with mild to moderate active ulcerative colitis who meet the certain conditions
  • Patients who have an inadequate response to a fixed-dose oral 5-ASA formulation (mesalazine or salazosulfapyridine) continued from at least 2 weeks prior to the start of the screening period
Exclusion Criteria
  • Patients who underwent an enterectomy or are expected to require an enterectomy during the study period (except appendectomy)
  • Patients who have or suspected to have bacterium- or parasite-induced infectious enteritis (e.g., infection with Clostridium difficile)
  • Patients with any of the following concomitant illnesses with the severity considered inappropriate as a study patient by the principal investigator or the subinvestigator or medical history thereof:
  • Hepatic or renal disorders or cardiovascular, endocrine, metabolic, pulmonary, gastrointestinal, neurological, urological, genitourinary, and immune diseases,

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
KSP-0243KSP-0243Under double-blinding, KSP 0243 tablets will be orally administered.
PlaceboPlaceboUnder double-blinding, placebo tablets will be orally administered.
Primary Outcome Measures
NameTimeMethod
Clinical response rate based on the modified Mayo score at Week 8Up to 8 weeks

The percentage of patients who satisfied both of the following requirements:

* Decreases in the modified Mayo score by ≥ 30% and ≥ 2 points from baseline

* The rectal bleeding subscore based on the Mayo score decreases by ≥ 1 point from baseline or the subscore becomes ≤ 1 point

Secondary Outcome Measures
NameTimeMethod
Laboratory test (Blood chemistry): Na (mEq/L)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Clinical remission rate based on the full Mayo score at Week 8Up to 8 weeks

Clinical remission rate based on the full Mayo score: The percentage of patients who satisfied all of the following requirements.

* Full Mayo score is ≤ 2 points

* All the subscores are ≤ 1 point

Clinical response rate based on the full Mayo score at Week 8Up to 8 weeks

Clinical response rate based on the full Mayo score: The percentage of patients who satisfied all of the following requirements.

* Decreases in the full Mayo score by ≥ 30% and ≥ 3 points from baseline

* The rectal bleeding subscore based on the Mayo score decreases by ≥ 1 point from baseline or the subscore becomes ≤ 1 point

ECG parameter: Pulse rate (bpm)Up to 8 weeks

- Summary statistics will be presented for measured values and changes from baseline.

Laboratory test (Hematology): Neutrophil (10^8/L)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Hematology): Platelet (10^10/L)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Hematology): Basophil (10^8/L)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Blood chemistry): Cl (mEq/L)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Blood chemistry): γGTP (U/L)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Blood chemistry): BUN (mg/dL)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Clinical remission rate based on the modified Mayo score at Week 8Up to 8 weeks

Clinical remission rate based on the modified Mayo score: The percentage of patients who satisfied all of the following requirements:

* The stool frequency subscore based on the Mayo score is 0 or 1 point with no aggravation from baseline

* The rectal bleeding subscore based on the Mayo score is 0 points

* The endoscopy subscore of the Mayo score is 0 or 1 point

Laboratory test (Hematology): Monocyte (10^8/L)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Blood chemistry): Ca (mEq/L)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Blood chemistry): P (mEq/L)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Blood chemistry): Total Bilirubin (mg/dL)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Blood chemistry): Indirect Bilirubin (mg/dL)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Blood chemistry): Albumin (g/dL)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Blood chemistry): Uric acid (mg/dL)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Blood chemistry): LDH (U/L)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Incidence of adverse events (AE) and adverse drug reactions (ADR)Up to 8 weeks

- Adverse events, Adverse drug reactions

Laboratory tests (Hematology): Hemoglobin (g/dL)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory tests (Hematology): Hematocrit (%)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory tests (Hematology): Erythrocyte (10^10/L)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Hematology): Lymphocyte (10^8/L)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Blood chemistry): K (mEq/L)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Blood chemistry): Total Protein (g/dL)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Blood chemistry): Creatinine kinase (U/L)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

KSP-0243 concentration in plasma at each time pointUp to 8 weeks

- KSP-0243 concentration in plasma

Laboratory test (Hematology): Eosinophil (10^8/L)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Hematology): Leukocyte (10^6/L)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Blood chemistry): Creatinine (mg/dL)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Blood chemistry): AST (U/L)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Blood chemistry): ALT (U/L)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Blood chemistry): ALP (U/L)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Blood chemistry): Total Cholesterol (mg/dL)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Blood chemistry): Amylase (U/L)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Blood chemistry): Glucose (mg/dL)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

ECG parameter: RR interval (msec)Up to 8 weeks

- Summary statistics will be presented for measured values and changes from baseline.

ECG parameter: QRS interval (msec)Up to 8 weeks

- Summary statistics will be presented for measured values and changes from baseline.

Laboratory test (Blood chemistry): Direct Bilirubin (mg/dL)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Urinalysis): ProteinUp to 8 weeks

* Number and percentage of subjects will be presented.

* Shift tables before and after the dose will be presented.

Vital signs: Systolic blood pressure (mmHg)Up to 8 weeks

- Summary statistics, scattered plots before and after the dose will be presented.

Vital signs: Pulse rate (bpm)Up to 8 weeks

- Summary statistics, scattered plots before and after the dose will be presented.

ECG parameter: QT interval (msec)Up to 8 weeks

- Summary statistics will be presented for measured values and changes from baseline.

ECG parameter: QTcF interval (msec)Up to 8 weeks

- Summary statistics will be presented for measured values and changes from baseline.

Laboratory test (Blood chemistry): Triglyceride (mg/dL)Up to 8 weeks

* Summary statistics, scattered plots before and after the dose will be presented.

* Shift tables before and after dose will be presented.

Laboratory test (Urinalysis): GlucoseUp to 8 weeks

* Number and percentage of subjects will be presented.

* Shift tables before and after the dose will be presented.

Laboratory test (Urinalysis): UrobilinogenUp to 8 weeks

* Number and percentage of subjects will be presented.

* Shift tables before and after the dose will be presented.

Measured values and fluctuations in body weightUp to 8 weeks

- Body weight

KSP-0243 concentration in colorectal mucosa at Week 8Up to 8 weeks

- KSP-0243 concentration in colorectal mucosa

Laboratory test (Urinalysis): Occult bloodUp to 8 weeks

* Number and percentage of subjects will be presented.

* Shift tables before and after the dose will be presented.

Vital signs: Diastolic blood pressure (mmHg)Up to 8 weeks

- Summary statistics, scattered plots before and after the dose will be presented.

Vital signs: Body temperature (°C)Up to 8 weeks

- Summary statistics, scattered plots before and after the dose will be presented.

ECG parameter: PR interval (msec)Up to 8 weeks

- Summary statistics will be presented for measured values and changes from baseline.

Trial Locations

Locations (1)

Research Site

🇯🇵

Multiple Locations, Japan

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