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A Phase 1b Study to Evaluate APL-1401 in Patients With Moderately to Severely Active Ulcerative Colitis

A

Asieris Pharmaceuticals

Status and phase

Enrolling
Phase 1

Conditions

Ulcerative Colitis

Treatments

Drug: Placebo
Drug: APL-1401

Study type

Interventional

Funder types

Industry

Identifiers

NCT05743010
YHGT-UC-01

Details and patient eligibility

About

This is a randomized, double-blind, placebo-controlled, phase 1b study designed to evaluate safety, tolerability, PK, and preliminary efficacy of APL-1401 in patients with moderately to severely active UC. This study comprises 3 periods including screening period (D-28~D-1), treatment period (D1-D28), and safety follow-up period(D29-D58).

Full description

On Day 1, patients who meet all entry criteria and none of the exclusion criteria will be randomized to receive either APL-1401 or placebo in a 5:1 ratio. Patients will receive APL-1401 orally once daily (QD) during the 28-day treatment period.

Three cohorts with increasing doses of APL-1401 will be explored. The dose of APL-1401 will start at 120 mg QD in Cohort 1 and sequentially increase to 160 mg QD and 200 mg QD in Cohort 2 and Cohort 3, respectively. Three cohorts with increasing doses of APL-1401 will be explored. 200mg QD is designed to be maximum dose in this study.

In one cohort, if dose stopping criteria of cohort is not met, Safety Monitoring Committee (SMC) will be held when last patient completes 28-day of study treatment. SMC will determine whether to continue the study to next cohort base on pre-defined dose escalation criteria, safety data, and available PK data. At this dose strength, if patients are well tolerated and SMC decides to escalate to a higher dose, the next cohort will be started.

Enrollment

36 estimated patients

Sex

All

Ages

18 to 65 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Willing and able to provide written informed consent.

  2. Age 18-65 years (inclusive).

  3. With a history of UC diagnosis at least 3 months prior to screening.

  4. Currently has active UC, defined as a Total Mayo Score of 6 to 12 (inclusive), at baseline, and with a Mayo Endoscopic Sub-Score (MESS) ≥ 2 confirmed by a site reader.

  5. Has a rectal bleeding score ≥1 and a stool frequency Score ≥1 and in addition to MESS ≥2 during screening.

  6. May be receiving the following drugs:

    1. Oral 5-ammosahcylate (5-ASA) class of medications (mesalamine, olsalazine, balsalazide, sulfasalazine), provided the prescribed dose has been stable for at least 4 weeks prior to randomization; dose must be stable during the treatment period.
    2. Oral corticosteroid therapy (prednisone prescribed at a stable dose ≤ 30 mg/day or budesonide prescribed at a stable dose of ≤ 9 mg/day), provided the prescribed dose has been stable for at least 2 weeks prior to randomization; during the treatment period, the same dose should be maintained but can be tapered by the investigators.
  7. Women of childbearing potential must have a negative pregnancy test at screening visit and agree to use 2 highly effective methods of birth control at the same time during entire study period.

  8. Male subjects must agree to use protocol specified method(s) of contraception from screening visit until 3 months after last dose.

Exclusion criteria

  1. Has fulminant colitis, toxic megacolon, primary sclerosing cholangitis, Crohn's disease, history of colitis-associated colonic dysplasia, active peptic ulcer disease.

  2. Has a current clinically significant bacterial, parasitic, fungal, or viral infection.

  3. Is positive for hepatitis A, B or C, human immunodeficiency virus (HIV), or tuberculosis.

  4. Uses any of the following medications:

    1. Intravenous corticosteroids 1 week prior to randomization;
    2. Topical 5-ASA compounds or topical steroid (i.e., enemas or suppositories) 2 weeks prior to randomization;
    3. Anti-diarrheal medications 2 weeks prior to randomization;
    4. Sphingosine 1-phosphate receptor (S1PR) modulator including ozanimod 9 prior to randomization;
    5. JAK inhibitors including tofacitinib and upadacitinib 4 weeks prior to randomization;
    6. TNF-α antagonist including (but not limited to) infliximab, adalimumab, golimumab, certolizumab, or biosimilar agents 10 weeks prior to randomization;
    7. Integrin antagonist, including vedolizumab 18 weeks prior to screening and natalizumab 10 weeks prior to screening;
    8. Interleukin antagonist including ustekinumab 14 weeks prior to screening;
    9. Patients receiving any of the following medications, if they were not discontinued at least 2 weeks prior to randomization: azathioprine, 6-mercaptopurine, methotrexate, mycophenolate mofetil, cyclosporine, tacrolimus, sirolimus, thalidomide. See Table 1;
    10. Prohibited concomitant medications as described in Section 6.5.2 Table 1.
  5. Participated in another clinical study of an investigational drug (or medical device) within 30 days prior to screening or is currently participating in another study of an investigational drug (or medical device).

  6. Has clinically significant abnormalities in laboratory tests (complete blood count, chemistry panel, TSH, total T3, free T4, urinalysis

    1. Hepatic panel (AST, ALT, total bilirubin) >2 times the upper limits of normal (ULN)
    2. Estimated CrCl <60 mL/min as calculated by the Cockcroft-Gault equation
    3. Thyroid stimulating hormone (TSH) <2.5 mIU/L or >4.2 mIU/L
  7. Has a resting heart rate (HR) of <50 bpm or >120 bpm.

  8. Has a resting systolic blood pressure >160 mmHg or <90 mmHg.

  9. With thyroid disease or history thyroid surgery or on thyroid medications

  10. Has orthostatic hypotension (decrease in systolic blood pressure >20 mmHg or decrease in diastolic blood pressure >10 mmHg when going from supine to standing) or a history of clinically significant orthostatic dizziness.

  11. Treatment with Class Ia or Class III anti-arrhythmic drugs or treatment with two or more agents in combination known to prolong PR interval.

  12. Is taking concomitant beta-blockers (including ophthalmologic timolol), amiodarone, reserpine, clonidine, monoamine oxidase (MAO) inhibitors, alpha blocking drugs, vasodilators which could enhance the production of catecholamines (hydralazine and nitrates), substrates or inhibitors of N-acetyltransferase.

  13. Alcohol abuse or alcohol dependence at least 3 months prior to first dose.

  14. With history of drug-related rash or has clinically significant rash or pruritus.

  15. Has severe COVID-19 infection and needs to use ventilator or other treatments that make using of study drug impossible.

  16. With moderate to severe (Child-Pugh Class B and Class C) hepatic impairment.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

36 participants in 2 patient groups, including a placebo group

APL-1401
Experimental group
Description:
On Day 1, patients will be randomized to receive either APL-1401 or placebo in a 5:1 ratio. Patients will receive APL-1401 orally once daily (QD) during the 28-day treatment period.
Treatment:
Drug: APL-1401
Placebo
Placebo Comparator group
Description:
Identically matching placebo capsules once daily for 28 days
Treatment:
Drug: Placebo

Trial contacts and locations

4

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Central trial contact

Qiuyue QU

Data sourced from clinicaltrials.gov

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