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Darolutamide

Phase 1

Metastatic Prostate Cancer | Small molecule | Oncology |Eli Lilly and Company|Last Updated: Feb 27, 2026

Target and mechanism

Molecular targetAR
Target classAntagonist
ModalitySmall molecule

Success Probability

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Market & Valuation

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Trial Design

RandomizedCONTROLLEDDMC
Total Trials1
Total Enrollment9

FDA Designations

No designations recorded

Clinical trial landscape

Darolutamide · 1 trial · 3 indications

Phase 1 1
NCT05617885Neo-DAB: Darolutamide and Abemaciclib in Prostate CancerMetastatic Prostate Cancer
ACTIVE NOT_RECRUITING9 Analytics
PHASE1ACTIVE NOT_RECRUITING
Neo-DAB: Darolutamide and Abemaciclib in Prostate Cancer
Metastatic Prostate CancerUnlock trial analytics

Study Endpoints

Primary Endpoints

Phase 1 - Maximum Tolerated Dose (MTD)
28 days/Cycle 1, up to 6 months

The Maximum Tolerated Dose (MTD) for the study drug combination is defined as the maximum dose combination at which \<33% of patients experience a Dose limiting toxicity (DLT) during Cycle 1 (the DLT-evaluation period). If a DLT is observed in 1 of 3 patients, then 3 additional patients will be enrolled at that same dose level. Dose escalation will continue to a dose of abemaciclib 200mg bid, which is the maximal dose levels. If DLTs are seen in 0-1 of 6 patients at dose level +1 (darolutamide 600mg bid and abemaciclib 200mg bid), then this will be the RP2D; otherwise the maximally tolerated dose (MTD) will be the RP2D.

Phase 1 - Dose Limiting Toxicity (DLT)
28 days/Cycle 1, up to 6 months

Dose Limiting Toxicity (DLT) for Phase 1 is defined as an adverse event that is related to Darolutamide and Abemaciclib with an attribution of possible, probable or definite and occurs during and/or begins during the first 28 days of the study treatment, using NCI CTCAE criteria version 5.0.

Phase 1 - Recommended Phase 2 Dose (RP2D)
28 days/Cycle 1, up to 6 months

RP2D will be determined after an Maximum Tolerated Dose (MTD) is identified or the maximum planned dose is achieved. Recommended Phase 2 Dose (RP2D) is defined as no more than 0-1 patients with dose limiting toxicity out of 6 at maximal dose level. Otherwise, the maximally tolerated dose will be used.

Phase 2 - Pathological Response Rate
Disease evaluated from baseline to Pre-Radical Prostatectomy (RP), up to 6 months

Pathologic response is defined as achieving either a complete response (pCR) or minimal residual disease (MRD, defined as ≤5mm residual tumor) at Radical Prostatectomy (RP) in both arms

Secondary Endpoints

Phase 1 - Objective Response Rate (ORR)
Disease evaluated every 12 weeks, up to 6 months
Phase 1 - Median Radiographic Progression-Free Survival (rPFS)
Evaluated every 12 weeks, up to 6 months
Phase 1 & 2 - Grade 3 or Higher Treatment-Related Toxicity Rate
28 days, up to 6 months
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Phase 1 Lead In in CRPCEXPERIMENTALStandard 3+3 dose escalation scheme with 3 dose levels of abemaciclib and a constant dose of darolutamide, per protocol, for 6, 28-day cycles
Phase 2 - Neoadjuvant Darolutamide and ADT prior to Radical ProstatectomyEXPERIMENTALper protocol, for 6, 28-day cycles
Phase 2 - Neoadjuvant Darolutamide, Ademaciclib, and ADT prior to Radical ProstatectomyEXPERIMENTALper protocol, for 6, 28-day cycles

Interventions

NameTypeDescription
DarolutamideDRUGTablet administered orally, per protocol, 2 x daily. Darolutamide is an orally administered molecular drug therapy that blocks the action of testosterone, the male sex hormone which can stimulate growth of prostate cancer.
AbemaciclibDRUGTablet administered orally, per protocol, 2 x daily. Abemaciclib is an orally administered molecular drug therapy that is called a "CDK4/6 inhibitor". CDK4 and CDK6 are enzymes that are involved in helping healthy and cancerous cells divide and blocking these enzymes can stop cancerous cells from growing.
GNRH-A Leuprolide AcetateDRUGAdministered via intramuscular injection, per standard of care. GnRH agonist is a hormonal therapy drug.
GNRH-A GoserelinDRUGAdministered via subcutaneous injection, per standard of care. GnRH agonist is a hormonal therapy drug.
DegarelixDRUGAdministered via subcutaneous injection, per standard of care. GnRH antagonist is a hormonal therapy drug.
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Eligibility Criteria

Age Range18 Years to N/A
SexMALE
Healthy VolunteersNo
Study Sites1

Inclusion Criteria For Phase 1: * Provision of signed informed consent prior to any study specific procedures, or have a legally authorized representative sign on the participant's behalf. * Ability to swallow oral medications and comply with study procedures and requirements. * Males ≥18 years * H...

Countries:United States
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Competitive Landscape -Prostate Cancer 254 trials (matched to "Metastatic Prostate Cancer")

Frequently asked questions about Darolutamide

What is Darolutamide used for in Metastatic Prostate Cancer?

Darolutamide is an investigational small molecule being studied for the treatment of Metastatic Prostate Cancer. It is currently in Phase 1 clinical development. The drug is being evaluated in a clinical trial that also includes patients with Non-metastatic Prostate Cancer and Prostate Cancer.

Who makes Darolutamide?

Darolutamide is being developed by Eli Lilly and Company, traded on the New York Stock Exchange under the ticker LLY. The company is conducting clinical trials to evaluate the drug's safety and efficacy in patients with prostate cancer.

What phase is Darolutamide in?

Darolutamide is in Phase 1 clinical development. It is an investigational drug, meaning it has not been approved by regulatory authorities and is still being studied in clinical trials. The ongoing trial is active but not recruiting participants.

What clinical trials is Darolutamide in?

Darolutamide is being studied in a Phase 1 clinical trial with the identifier NCT05617885, titled 'Neo-DAB: Darolutamide and Abemaciclib in Prostate Cancer'. The trial is active but not recruiting, with an enrollment of 9 participants in the United States.

How does Darolutamide work?

Darolutamide is a small molecule, but its specific molecular target has not been disclosed in the available information. The drug is being investigated for its potential role in treating prostate cancer, including metastatic and non-metastatic forms of the disease.

Is Darolutamide the same as any other drug?

Darolutamide is not known to have any alternative names. It is being developed as a distinct investigational agent by Eli Lilly and Company for the treatment of prostate cancer.