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ALX2004

Phase 1

NSCLC (Advanced Non-small Cell Lung Cancer) | Small molecule | Oncology |ALX Oncology Holdings Inc.|Last Updated: May 12, 2026

Success Probability

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Market & Valuation

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Trial Design

RandomizedCONTROLLED
Total Trials1
Total Enrollment170

FDA Designations

No designations recorded

Clinical trial landscape

ALX2004 · 1 trial · 7 indications

Phase 1 1
NCT07085091A First in Human Study of ALX2004 With Advanced or Metastatic Selected Solid TumorsNSCLC (Advanced Non-small Cell Lung Cancer)
RECRUITING170 Analytics
PHASE1RECRUITING
A First in Human Study of ALX2004 With Advanced or Metastatic Selected Solid Tumors
NSCLC (Advanced Non-small Cell Lung Cancer)Unlock trial analytics

Study Endpoints

Primary Endpoints

Phase 1a: Incidence of dose limiting toxicities (DLTs)
Up to 28 days

Phase 1a: Number and proportion of participants enrolled in the dose escalation phase who experience dose-limiting toxicities (DLTs), received at least one dose of ALX2004 and completed the DLT evaluation

Phase 1a: Incidence of treatment emergent adverse events
Up to 2 years from first dose

Phase 1a: Adverse Events as characterized by type, frequency, severity (NCI CTCAE v5.0), timing, seriousness, and relationship to the study drug in order to establish the RDE. Laboratory abnormalities as characterized by type, frequency, severity and timing

Phase 1b: Overall Response Rate (ORR) per investigator assessment using RECIST v1.1
Up to 2 years from first patient dosed in dose expansion phase

Phase 1b: ORR is defined as proportion of participants whose BOR is complete response (CR) or partial response (PR)

Secondary Endpoints

Phase 1a and 1b: Maximum Concentration (Cmax)
Up to 2 years
Phase 1a and 1b: Time of Maximum Plasma Concentration (Tmax)
Up to 2 years
Phase 1a and 1b: Clearance (CL)
Up to 2 years
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
ALX2004 Phase 1a (Dose Escalation)EXPERIMENTALALX2004 will be administered. Patients will be enrolled into escalating dose levels during the dose escalation phase
ALX2004 Phase 1a (Dose Exploration)EXPERIMENTALALX2004 will be administered. All or a subset of tumors tested in dose escalation will enroll into 1 or 2 dose levels during the dose exploration phase
ALX2004 Phase 1b (Dose Expansion)EXPERIMENTALALX2004 will be administered. Patients will receive the recommended phase 2 dose during the dose expansion phase

Interventions

NameTypeDescription
ALX2004DRUGALX2004 is a novel ADC targeting EGFR. Drug: ALX2004 IV Infusion
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites8

Inclusion Criteria: * Participants with locally advanced, recurrent or metastatic histologically confirmed HNSCC, NSCLC, ESCC, CRC; locally advanced or recurrent disease must not be amenable to resection with curative intent 1. Dose Escalation: Participants who have relapsed or progressed follow...

Countries:United States
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Frequently asked questions about ALX2004

What is ALX2004 used for?

ALX2004 is an investigational small molecule being developed for the treatment of advanced non-small cell lung cancer (NSCLC). It is also being studied in other advanced or metastatic solid tumors, including head and neck squamous cell carcinoma, colorectal cancer, and esophageal squamous cell carcinoma.

Who makes ALX2004?

ALX2004 is being developed by ALX Oncology Holdings Inc., a biopharmaceutical company traded on the NASDAQ under the ticker symbol ALXO. The company is conducting a first-in-human study of the drug in patients with advanced or metastatic selected solid tumors.

What phase is ALX2004 in?

ALX2004 is in Phase 1 clinical development. It is an investigational drug and has not been approved by the FDA. The ongoing Phase 1 trial is a first-in-human study designed to evaluate the safety and tolerability of ALX2004 in patients with advanced solid tumors.

What clinical trials is ALX2004 in?

ALX2004 is being studied in a Phase 1 clinical trial registered as NCT07085091. This is a first-in-human study enrolling approximately 170 patients with advanced or metastatic solid tumors, including NSCLC, head and neck cancer, colorectal cancer, and esophageal squamous cell carcinoma. The trial is currently recruiting participants in the United States.

Is ALX2004 a targeted therapy?

ALX2004 is a small molecule therapeutic being investigated for the treatment of advanced solid tumors. The specific molecular target of ALX2004 has not been disclosed in the available clinical trial information. The ongoing Phase 1 study is evaluating the drug in a biomarker-unselected patient population.