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APG-5918

Phase 1

Anemia | Small molecule | Hematology |Ascentage Pharma Group International - American Depository Shares|Trials Updated: Apr 15, 2026

APG-5918 development status

Highest phase Phase 1
Registered trials 2 across 1 sponsor since Jun 2022

APG-5918 target and mechanism

Molecular targetEED
ModalitySmall molecule

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindCONTROLLED
Total Trials1
Total Enrollment105

FDA Designations

No designations recorded

APG-5918 clinical trials

APG-5918 · 1 trial · 1 indication

Phase 1 1
NCT05773586A Study to Evaluate the Safety, Pharmacokinetics and Preliminary Efficacy of APG-5918.Anemia
RECRUITING105 Analytics
PHASE1RECRUITING
A Study to Evaluate the Safety, Pharmacokinetics and Preliminary Efficacy of APG-5918.
AnemiaUnlock trial analytics

Study Endpoints

Primary Endpoints

Treatment-Emergent Adverse Events (TEAEs)
up to 7 days in Part A and 84 days or till EOT in Part B

TEAEs will be assessed via CTCAE version 5.0 based on the frequency of adverse events/serious adverse events (AEs/SAEs), clinically significant laboratory test results, 12-lead ECGs, and vital signs.

Secondary Endpoints

Plasma Concentrations of APG-5918
Days 1, 2 and 3 in Part A; Days 1, 15 and 28 in Part B
Measurement of Hemoglobin
84 days or till EOT in Part B
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Single Ascending Dose (SAD) cohorts in Healthy Subjects (Part A)EXPERIMENTALSubjects will be randomized to receive a single dose of APG-5918 or placebo.
Multiple Ascending Dose (MAD) cohorts in Anemic Patients (Part B)EXPERIMENTALSubjects will receive once daily APG-5918 for 84 days or till EOT.

Interventions

NameTypeDescription
APG-5918DRUGoral tablets 10mg, 50mg, 200mg.
PlaceboDRUGMatching placebo
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersYes
Study Sites2

Inclusion Criteria: 1. Healthy Subjects: 1\. Age: 18 to 55 years. 2. Body Mass Index (BMI): 18-28 kg/m² (inclusive). 3. Hemoglobin value: 120 g/L-160 g/L (inclusive). 4. Normal body iron stores. 2. Anemic Subjects: 1. Age: ≥ 18 years. 2. Including beta-thalassemia and other related anemias, with ...

Countries:China
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Recent Changes (Last 90 Days)

MEDIUMAug 1, 2026NCT05773586primaryCompletionDate: changed
MEDIUMAug 1, 2026NCT05773586primaryCompletionDate: changed
MEDIUMAug 1, 2026NCT05773586primaryCompletionDate: changed

Frequently asked questions about APG-5918

What is APG-5918 used for?

APG-5918 is an investigational small molecule being developed for the treatment of anemia. It is currently in Phase 1 clinical development and is not yet approved by regulatory authorities. The drug is being studied in a clinical trial in China to evaluate its safety, pharmacokinetics, and preliminary efficacy in patients with anemia.

What does APG-5918 target?

APG-5918 targets EED, a component of the polycomb repressive complex 2 (PRC2). By targeting EED, the drug may modulate gene expression pathways relevant to erythropoiesis and anemia. However, the precise mechanism of action in treating anemia is still under investigation in clinical trials.

Who is developing APG-5918?

APG-5918 is being developed by Ascentage Pharma Group International, a biopharmaceutical company listed on the stock exchange under the ticker AAPG. The company is conducting a Phase 1 clinical trial of APG-5918 in China to assess its safety and efficacy in patients with anemia.

What phase is APG-5918 in?

APG-5918 is in Phase 1 clinical development. It is an investigational drug and has not received regulatory approval. The ongoing Phase 1 trial is recruiting participants and aims to evaluate the safety, pharmacokinetics, and preliminary efficacy of APG-5918 in patients with anemia.

What clinical trials is APG-5918 in?

APG-5918 is being studied in a Phase 1 clinical trial registered as NCT05773586. This trial is recruiting 105 participants in China and is designed to evaluate the safety, pharmacokinetics, and preliminary efficacy of APG-5918 in patients with anemia. The trial is randomized, double-blind, and controlled.