A Phase Ib Clinical Study of AC-003 Capsules in Subjects With aGVHD.

NCT ID: NCT07070674

Last Updated: 2025-07-24

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE1

Total Enrollment

24 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-07-25

Study Completion Date

2026-09-30

Brief Summary

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The study was an open-label, single-arm, dose-escalation, Phase Ib, multi-center study to investigate safety, pharmacokinetics, pharmacodynamics and preliminary efficacy of AC-003 in patients with grade II-IV SR-aGVHD.

Detailed Description

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The study will enroll approximately 24 subjects in 2 parts:

Part A is a dose-escalation stage to investigate 4 cohorts of AC-003 in adult patients with grade II-IV SR-aGVHD who have undergone allogeneic hematopoietic stem cell transplantation.

The dose escalation will start with cohort 1, in which patients will receive specified dose of AC-003 capsules orally for 28 days and escalate to cohort 2, 3 and 4 sequentially when the previous cohort is deemed to be safe by Safety Review Committee (SRC). Safety follow-up will occur on Day 35. Decision of recommended dose will be made depend on the safety, PK and PD assessments across cohorts.

Part B is a dose-expansion stage to investigate the preliminary efficacy of recommended dose. Patient will receive recommended dose of AC-003 capsules orally for 28 days. Safety follow-up will occur on Day 35.

Conditions

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Acute Graft-versus-Host Disease

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SEQUENTIAL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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AC-003 cohort 1

Specified dose of AC-003 will be administered orally twice daily (BID) for 28 days.

Group Type EXPERIMENTAL

AC-003

Intervention Type DRUG

AC-003 capsules will be administered orally.

AC-003 cohort 2

Specified dose of AC-003 will be administered orally once daily (QD) for 28 days.

Group Type EXPERIMENTAL

AC-003

Intervention Type DRUG

AC-003 capsules will be administered orally.

AC-003 cohort 3

Specified dose of AC-003 will be administered orally twice daily (BID) for 28 days.

Group Type EXPERIMENTAL

AC-003

Intervention Type DRUG

AC-003 capsules will be administered orally.

AC-003 cohort 4

Specified dose of AC-003 will be administered orally twice daily (BID) for 28 days.

Group Type EXPERIMENTAL

AC-003

Intervention Type DRUG

AC-003 capsules will be administered orally.

Interventions

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AC-003

AC-003 capsules will be administered orally.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. Male or female patients age ≥ 18 years.
2. Patients who have undergone allogeneic hematopoietic stem cell transplantation (HSCT) from any donor source (including matched unrelated donor, haplo-identical).
3. Diagnosis of grade II-IV aGVHD as per MAGIC criteria within 100 days after HSCT.
4. Diagnosis of steroid-refractory or steroid-dependent aGVHD in at least one of the following criteria:

1. Progressive Disease, defined as any target organ worsening, after 3 days of initial treatment with methylprednisolone 1\~2 mg/kg/day (or equivalent corticosteroid)
2. Not partial response after 7 days of initial treatment with methylprednisolone 1\~2 mg/kg/day (or equivalent corticosteroid)
3. Not complete response after 14 days of initial treatment with methylprednisolone 1\~2 mg/kg/day (or equivalent corticosteroid)
4. Relapse of aGVHD when corticosteroid tapering.

Exclusion Criteria

1. Evidence of aGVHD relapsed.
2. Evidence of chronic GVHD or overlap syndrome
3. Receipt of more than one allogeneic HSCT
4. Receipt of more than one systemic treatment for aGVHD in addition to corticosteroid
5. Any corticosteroid therapy for indications other than aGvHD at doses \>= 1 mg/kg/day methylprednisolone (or equivalent corticosteroid) within 7 days prior to enrolment
6. Severe organ dysfunction unrelated to aGVHD
7. Uncontrolled active infection (i.e., bacterial, fungal, or viral)
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Accro Bioscience (Suzhou) Limited

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Hematology Hospital of Chinese Academy of Medical Sciences (Institute of Hematology, Chinese Academy of Medical Sciences)

Tianjin, Tianjin Municipality, China

Site Status RECRUITING

Countries

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China

Facility Contacts

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Erlie Jiang

Role: primary

+86 022-23909095

Other Identifiers

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AC-003 -CN-PhIb

Identifier Type: -

Identifier Source: org_study_id

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