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AZD2265

Phase 1

Metastatic Prostate Cancer | Small molecule | Oncology |AstraZeneca PLC|Trials Updated: Oct 14, 2026

AZD2265 target and mechanism

ModalitySmall molecule

Also known as AZD2265 (FPI-2265)

Success Probability

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Market & Valuation

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Trial Design

RandomizedACTIVE_CONTROLLEDBiomarker
Total Trials1
Total Enrollment152

FDA Designations

No designations recorded

AZD2265 clinical trials

AZD2265 · 1 trial · 1 indication

Phase 1 1
NCT07590934Phase Ib/II Platform Study of Multiple Anti-Cancer Agents in Participants With Metastatic Prostate CancerMetastatic Prostate Cancer
RECRUITING152 Analytics
PHASE1RECRUITING
Phase Ib/II Platform Study of Multiple Anti-Cancer Agents in Participants With Metastatic Prostate Cancer
Metastatic Prostate CancerUnlock trial analytics

Study Endpoints

Primary Endpoints

Part A: Number of participants with treatment-emergent adverse events (TEAEs)including serious adverse events (SAEs), treatment-related AEs (TRAEs) and adverse events of special interests (AESIs)
Up to approximately 1 year after last dose

To assess the safety and tolerability of palacaparib (AZD9574) in combination with AZD2265 (FPI-2265).

Part A: Number of participants with dose limiting toxicities (DLTs)
From date of first dose up to approximately 2 cycles (up to 3 months)

To assess the safety and tolerability, and characterise the DLTs of palacaparib (AZD9574) in combination with AZD2265 (FPI-2265).

Part B: Number of participants with TEAEs
Up to approximately 1 year after last dose

To further assess the safety and tolerability, and determine the recommended Phase 3 dose (RP3D) of palacaparib (AZD9574) in combination with AZD2265 (FPI-2265).

Part B: Prostate Specific Antigen 50 (PSA50) response rate
Up to 3 years 4 months

PSA50 response rate is defined as proportion of participants achieving a ≥ 50% decrease in PSA from baseline to the lowest post-baseline PSA result, confirmed by a second consecutive PSA assessment at least 3 weeks later, and occurring prior to confirmed PSA progression. PSA50 will be assessed to check the anti-tumour activity of palacaparib (AZD9574) in combination with AZD2265 (FPI-2265).

Secondary Endpoints

Part A and Part B: PSA50 response rate
Up to 3 years 4 months
Part A and Part B: Prostate Specific Antigen 90 (PSA90) response rate
Up to 3 years 4 months
Part A and Part B: Time to PSA50 (TTPSA50) response
Up to 3 years 4 months
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Substudy 1 Part A(SS1A): escalating dose levels of palacaparib in combination with AZD2265(FPI-2265)EXPERIMENTALParticipants will receive escalating dose levels of palacaparib (AZD9574) once daily in combination with AZD2265 (FPI-2265) once every 6 weeks (Q6W).
Sub study 1 Part B(SS1B): selected dose of palacaparib in combination with AZD2265(FPI-2265)EXPERIMENTALParticipants will receive palacaparib (AZD9574) chosen from the DE phase once daily in combination with AZD2265 (FPI-2265) Q6W.
SS1B: AZD2265 (FPI-2265) monotherapyEXPERIMENTALParticipants will receive AZD2265 (FPI-2265) monotherapy Q6W.
SS1B: DocetaxelACTIVE_COMPARATORParticipants will receive docetaxel as a standard of care (SoC) once every 3 weeks (Q3W).

Interventions

NameTypeDescription
AZD2265 (FPI-2265)DRUGAZD2265 (FPI-2265) will be administered as an intravenous (IV) injection.
Palacaparib (AZD9574)DRUGPalacaparib (AZD9574) will be administered orally.
DocetaxelDRUGDocetaxel will be administered as an IV infusion.
AZD2287 (Imaging agent)DRUGAZD2287 will be administered as an IV injection.
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Eligibility Criteria

Age Range18 Years to 99 Years
SexMALE
Healthy VolunteersNo
Study Sites38

Inclusion Criteria: 1. Participants with a diagnosis of histologically confirmed adenocarcinoma of the prostate (no small cell, neuroendocrine, sarcomatoid, spindle or signet cell). 2. Minimum life expectancy of 3 months or more. 3. Eastern Cooperative Oncology Group (ECOG) performance status of O ...

Countries:United StatesAustraliaGermanyItalySouth KoreaSpainUnited Kingdom
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Competitive Landscape -Prostate Cancer 417 trials (matched to "Metastatic Prostate Cancer")

Top 20 of 55 competitors

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Recent Changes (Last 90 Days)

LOWOct 14, 2026NCT07590934lastUpdatePostDate: changed
LOWOct 14, 2026NCT07590934lastUpdatePostDate: changed
MEDIUMAug 27, 2026NCT07590934lastUpdatePostDate: changed
MEDIUMAug 27, 2026NCT07590934lastUpdatePostDate: changed

Frequently asked questions about AZD2265

What is AZD2265 used for?

AZD2265 is an investigational small molecule being studied for the treatment of metastatic prostate cancer. It is a biomarker-selected therapy, meaning trial enrollment is limited to patients whose tumors express a specific molecular marker. It is not approved for any indication and remains in clinical development.

Who is developing AZD2265?

AZD2265 is being developed by AstraZeneca PLC, which trades on the Nasdaq under the ticker AZN. AstraZeneca is the sponsor of the clinical program evaluating the agent in metastatic prostate cancer.

What phase is AZD2265 in?

AZD2265 is in Phase 1 clinical development. It is being evaluated in a Phase Ib/II platform study, and the drug has not completed any trials and is not approved by the FDA or any other regulatory agency.

What clinical trials is AZD2265 in?

AZD2265 is being studied in NCT07590934, a Phase Ib/II platform study of multiple anti-cancer agents in participants with metastatic prostate cancer. The trial is currently recruiting, has an estimated enrollment of 152 participants, and is active-controlled and randomized. It is being conducted in the United States, Australia, Germany, Italy, South Korea, Spain, and the United Kingdom.

Is AZD2265 the same as FPI-2265?

Yes, AZD2265 is also known as FPI-2265. Both names refer to the same investigational small molecule developed by AstraZeneca for metastatic prostate cancer. The dual naming reflects the compound's development history, and it is currently in Phase 1 testing.