Recent Updates
Recently added Catalysts

Lu-DWJ155

Phase 1

Breast Cancer | Small molecule | Oncology |Novartis AG|Trials Updated: Aug 27, 2026

Lu-DWJ155 target and mechanism

ModalitySmall molecule

Also known as [177Lu]Lu-DWJ155

Success Probability

Subscribe to view

Market & Valuation

Subscribe to view

Trial Design

CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment156

FDA Designations

No designations recorded

Lu-DWJ155 clinical trials

Lu-DWJ155 · 1 trial · 4 indications

Phase 1 1
NCT07660055Study of [177Lu]Lu-DWJ155 and [68Ga]Ga-DWJ155 in Patients With Solid TumorsBreast Cancer
RECRUITING156 Analytics
PHASE1RECRUITING
Study of [177Lu]Lu-DWJ155 and [68Ga]Ga-DWJ155 in Patients With Solid Tumors
Breast CancerUnlock trial analytics

Study Endpoints

Primary Endpoints

Incidence and severity of Adverse Events (AEs) and Serious Adverse Events (SAEs) of [177Lu]Lu-DWJ155
Up to approximately 53 months

Incidence and severity of AEs and SAEs, including changes in laboratory values, vital signs, echocardiograms (ECGs), and imaging assessments qualifying and reported as AEs.

Incidence of dose-limiting toxicities (DLTs) of [177Lu]Lu-DWJ155
Up to 6 weeks

A DLT is defined as an adverse event or abnormal laboratory value of Common Terminology Criteria for Adverse Events (CTCAE) grade ≥ 3 assessed as unrelated to disease, disease progression, inter-current illness/injury or concomitant medications that occurs within the first treatment cycle. Other clinically significant toxicities may be considered to be DLTs, even if not CTCAE grade 3 or higher.

Frequency of dose interruptions and reductions [177Lu]Lu-DWJ155
11 months

Number of participants with dose interruptions and/or reductions to assess the tolerability.

Dose intensity [177Lu]Lu-DWJ155
11 months

Dose intensity defined as the ratio of actual cumulative dose received and actual duration of exposure

Secondary Endpoints

Overall Response Rate (ORR) per RECIST v1.1
Up to approximately 53 months
Disease Control Rate (DCR) per RECIST v1.1
Up to approximately 53 months
Duration of Response (DOR) per RECIST v1.1
Up to approximately 53 months
Unlock Study Endpoints

Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Dose EscalationEXPERIMENTALPatients will receive \[68Ga\]Ga-DWJ155 and, if eligible, \[177Lu\]Lu-DWJ155. In this part, multiple dose levels of \[177Lu\]Lu-DWJ155 will be evaluated.
Dose ExpansionEXPERIMENTALPatients will receive \[68Ga\]Ga-DWJ155 and, if eligible, \[177Lu\]Lu-DWJ155 at the recommended dose established during the dose escalation part.

Interventions

NameTypeDescription
[68Ga]Ga-DWJ155DIAGNOSTIC_TESTRadioligand imaging agent
[177Lu]Lu-DWJ155DRUGRadioligand therapy
Unlock Study Design Details

Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites5

Inclusion Criteria: * Male or female patients age ≥ 18 years. * Patients with one of the following histologically or cytologically confirmed and documented malignancies who have progressed on or been intolerant to standard of care therapy, and are not considered appropriate for any standard therapy...

Countries:United StatesAustraliaCanadaJapan
Unlock Eligibility Criteria

Competitive Landscape -Breast Cancer 609 trials

Recent Changes (Last 90 Days)

LOWAug 27, 2026NCT07660055lastUpdatePostDate: changed
LOWAug 27, 2026NCT07660055lastUpdatePostDate: changed
LOWJul 28, 2026NCT07660055lastUpdatePostDate: changed
LOWJul 28, 2026NCT07660055lastUpdatePostDate: changed
LOWJul 27, 2026NCT07660055lastUpdatePostDate: changed
LOWJul 27, 2026NCT07660055lastUpdatePostDate: changed
LOWJul 27, 2026NCT07660055lastUpdatePostDate: changed

Frequently asked questions about Lu-DWJ155

What is Lu-DWJ155?

Lu-DWJ155 is an investigational small molecule radiopharmaceutical being developed by Novartis AG for the treatment of solid tumors, including breast cancer. It is in Phase 1 clinical development and is also known as [177Lu]Lu-DWJ155. It has not been approved by the FDA.

What is Lu-DWJ155 used for in breast cancer?

Lu-DWJ155 is being studied in breast cancer as part of a Phase 1 trial that also enrolls patients with non-small cell lung cancer, gastric or gastroesophageal junction cancer, and bladder cancer. It is investigational and has not been approved for any indication.

Who makes Lu-DWJ155?

Lu-DWJ155 is developed by Novartis AG, which trades under the ticker NVS. Novartis is running the clinical program for this radiopharmaceutical candidate across multiple solid tumor types.

What phase is Lu-DWJ155 in?

Lu-DWJ155 is in Phase 1 clinical development. It is an investigational agent and is not FDA approved. The single Phase 1 study is currently recruiting participants and has an enrollment target of 156 patients.

What clinical trials is Lu-DWJ155 in?

Lu-DWJ155 is being evaluated in one active Phase 1 trial, NCT07660055, titled Study of [177Lu]Lu-DWJ155 and [68Ga]Ga-DWJ155 in Patients With Solid Tumors. The trial is recruiting in the United States, Australia, Canada, and Japan and has an enrollment target of 156 adults.

Is Lu-DWJ155 the same as [177Lu]Lu-DWJ155?

Yes, [177Lu]Lu-DWJ155 is an alternative name for Lu-DWJ155. Both names refer to the same investigational Novartis radiopharmaceutical in Phase 1 development for solid tumors, including breast cancer.