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AZD2287

Phase 1

Metastatic Castration-Resistant Prostate Cancer | Small molecule | Oncology |AstraZeneca PLC|Last Updated: May 12, 2026

Target and mechanism

ModalitySmall molecule

Also known as AZD2287 (Imaging agent)

Success Probability

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Market & Valuation

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Trial Design

CONTROLLED
Total Trials1
Total Enrollment136

FDA Designations

No designations recorded

Clinical trial landscape

AZD2287 · 1 trial · 1 indication

Phase 1 1
NCT06879041A Phase I Study of [225Ac]-AZD2284 in Patients With Metastatic Castration-Resistant Prostate CancerMetastatic Castration-Resistant Prostate Cancer
RECRUITING136 Analytics
PHASE1RECRUITING
A Phase I Study of [225Ac]-AZD2284 in Patients With Metastatic Castration-Resistant Prostate Cancer
Metastatic Castration-Resistant Prostate CancerUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of participants with adverse event (AEs)
Part A: Up to Day 28; Part B: Up to 5 years
Number of participants with Dose Limiting Toxicities (DLTs)
Part B: Up to 84 days of receiving AZD2284
Estimates of residence time
Part A: Up to 8 days after a dose of AZD2287
Absorbed radiation doses for AZD2287 and AZD2284
Part A: Up to 8 days after a dose of AZD2287; Part B: Up to 7 days after a dose of AZD2287
Compare organ uptake of AZD2287 with and without pre-dose administration of AZD2275
Part A: Up to 8 days after a dose of AZD2287; Part B: Up to 7 days after a dose of AZD2287
Tumor uptake of AZD2287 in selected regions of interest on SPECT/CT and/or planar images
Part A: Up to 8 days after a dose of AZD2287; Part B: Up to 7 days after a dose of AZD2287

Secondary Endpoints

Overall Response Rate (ORR)
Up to 12 months after the last dose of AZD2284
Proportion of participants with Prostate-Specific Antigen (PSA) 50
Up to 12 months after the last dose of AZD2284
Proportion of participants with PSA90
Up to 12 months after the last dose of AZD2284
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Part A: Cohort A1: AZD2287 (Hot only)EXPERIMENTALParticipants will receive AZD2287. If eligible for treatment, will receive dose level (DL)1 of AZD2284.
Part A: Cohort A2: AZD2275 + AZD2287 (Cold +Hot)EXPERIMENTALParticipants will receive DL1 of AZD2275 followed by AZD2287. If eligible for treatment, will receive DL1 of AZD2284.
Part A: Cohort A3: AZD2275 + AZD2287 (Cold +Hot)EXPERIMENTALParticipants will receive DL2 of AZD2275 followed by AZD2287. If eligible for treatment, will receive DL1 of AZD2284.
Part B (Actinium-225 Dose Escalation): DL1: AZD2284EXPERIMENTALParticipants will receive AZD2287 (± AZD2275 as determined in Part A). If eligible for treatment, will receive DL1 of AZD2284.
Part B (Actinium-225 Dose Escalation): DL2: AZD2284EXPERIMENTALParticipants will receive AZD2287 (± AZD2275 as determined in Part A). If eligible for treatment, will receive DL2 of AZD2284.
Part B (Actinium-225 Dose Escalation): DL3: AZD2284EXPERIMENTALParticipants will receive AZD2287 (± AZD2275 as determined in Part A). If eligible for treatment, will receive DL3 of AZD2284.
Part B (Actinium-225 Dose Escalation): DL4: AZD2284EXPERIMENTALParticipants will receive AZD2287 (± AZD2275 as determined in Part A). If eligible for treatment, will receive DL4 of AZD2284.
Part B: Cohort E1EXPERIMENTALParticipants will receive dose of AZD2284 determined by the earlier results. Expansion cohort may be opened to further characterize the safety and efficacy of the dose level.
Part B: Cohort E2EXPERIMENTALParticipants will receive dose of AZD2284 determined by the earlier results. Expansion cohort may be opened to further characterize the safety and efficacy of the dose level.

Interventions

NameTypeDescription
AZD2287DRUGParticipants will receive AZD2287
AZD2275DRUGParticipants will receive AZD2275
AZD2284DRUGParticipants will receive AZD2284
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Eligibility Criteria

Age Range18 Years to N/A
SexMALE
Healthy VolunteersNo
Study Sites16

Main Inclusion Criteria: * Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1. * Histologically confirmed diagnosis of adenocarcinoma of the prostate without strong clinical suspicion of majority neuroendocrine differentiation. * Must have had prior bilateral orchiectomy and/or ...

Countries:United StatesAustraliaSouth Africa
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Frequently asked questions about AZD2287

What is AZD2287 used for?

AZD2287 is an investigational small molecule being studied for the treatment of metastatic castration-resistant prostate cancer. It is currently in Phase 1 clinical development and is not yet approved by regulatory authorities.

What does AZD2287 target?

AZD2287 is an imaging agent, and its specific molecular target has not been disclosed in available information. It is being evaluated in a Phase 1 study for metastatic castration-resistant prostate cancer.

Who makes AZD2287?

AZD2287 is being developed by AstraZeneca PLC, a biopharmaceutical company listed on the stock exchange under the ticker symbol AZN.

What phase is AZD2287 in?

AZD2287 is in Phase 1 clinical development. It is an investigational drug and has not received approval from the FDA or other regulatory agencies.

What clinical trials is AZD2287 in?

AZD2287 is being studied in a Phase 1 clinical trial with the identifier NCT06879041. This trial is recruiting participants with metastatic castration-resistant prostate cancer and has an estimated enrollment of 136 patients.

Is AZD2287 the same as AZD2284?

AZD2287 is an imaging agent, while the clinical trial NCT06879041 is studying a related compound, [225Ac]-AZD2284, in patients with metastatic castration-resistant prostate cancer. The two are distinct agents.