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AAA817

Phase 3

Prostate Cancer | Small molecule | Oncology |Novartis AG|Last Updated: Aug 27, 2026

Success Probability

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Market & Valuation

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Trial Design

RandomizedACTIVE_CONTROLLEDDMC
Total Trials1
Total Enrollment940

FDA Designations

No designations recorded

Clinical trial landscape

AAA817 · 1 trial · 1 indication

Phase 3 1
NCT06855277Study Comparing AAA817+ARPI Versus Standard of Care in Adult Participants With PSMA-positive mCRPCProstate Cancer
RECRUITING940 Analytics
PHASE3RECRUITING
Study Comparing AAA817+ARPI Versus Standard of Care in Adult Participants With PSMA-positive mCRPC
Prostate CancerUnlock trial analytics

Study Endpoints

Primary Endpoints

Radiographic Progression Free Survival (rPFS)
From the date of randomization to the date of the first documented radiographic disease progression using conventional imaging, or death due to any cause, whichever occurs first, assessed up to approximately 40.0 months.

Time to radiographic disease progression or death due to any cause.

Secondary Endpoints

Overall Survival (OS) (Key Secondary Endpoint)
From the date of randomization to the date of death due to any cause, assessed up to approximately 40 months.
Radiographic Progression Free Survival by by Prostate Cancer Working Group 3 (PCWG3)-modified RECIST v1.1 (Key Secondary)
From date of randomization to the date of the first documented radiographic disease progression or death due to any cause, whichever occurs first, assessed up to approximately 40.0 months.
Overall Survival in participants with PSMA-positive mCRPC treated with another ARPI. (Key Secondary)
From the date of randomization to the date of death due to any cause.
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeDIAGNOSTIC

Treatment Arms

ArmTypeDescription
Investigational Arm: AAA817+ARPI (enzalutamide or abiraterone)EXPERIMENTALParticipants will receive AAA817 infusion directly into a vein with ARPIs.
Investigational Arm: AAA817EXPERIMENTALParticipants will receive AAA817 infusion directly into a vein.
Control arm: Investigator's choice of SoC (ARPI or chemotherapy or AAA617)ACTIVE_COMPARATORParticipants will receive standard treatment as decided by the trial doctor either as a taxane-based chemotherapy infusion directly into a vein or ARPI change either as capsules or tablets or AAA617 monotherapy infusion directly into a vein.

Interventions

NameTypeDescription
AAA817DRUGAAA817 is being studied for treating PSMA positive mCRPC. Inside the body, it attaches itself to PSMA on the cell surface of the prostate cancer cells and emits radiation to kill them. This treatment is also called a radioligand therapy.
ARPIDRUGAndrogen receptor pathway inhibitor (ARPI): An ARPI is approved for the treatment of prostate cancer. It works by blocking signals from male hormones, such as testosterone, that helps cancer cells grow. By blocking these signals, an ARPI slows down or stops the growth of prostate cancer cells. In this trial, participants will be given either enzalutamide or abiraterone.
Standard of CareDRUGStandard treatment includes approved treatment for mCRPC. In this trial, the trial doctor will decide which available treatment participants will receive. The trial doctor will select either an ARPI of enzalutamide or abiraterone, or a taxane based chemotherapy of docetaxel or cabazitaxel or \[177Lu\]Lu-PSMA-617 (AAA617).
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Eligibility Criteria

Age Range18 Years to 100 Years
SexMALE
Healthy VolunteersNo
Study Sites95

Key Inclusion Criteria: * Signed informed consent must be obtained prior to participation in the study. * Participants must be adults ≥ 18 years of age. * Participants must have an ECOG performance status of 0 to 2. * Participants must have histological, and/or cytological confirmation of adenocarc...

Countries:United StatesAustraliaBrazilChinaHong KongIndiaJapanSingaporeSouth KoreaTaiwanUnited Kingdom
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Competitive Landscape -Prostate Cancer 254 trials

Recent Changes (Last 90 Days)

LOWAug 27, 2026NCT06855277lastUpdatePostDate: changed
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Frequently asked questions about AAA817

What is AAA817 used for in prostate cancer?

AAA817 is an investigational small molecule being studied for the treatment of PSMA-positive metastatic castration-resistant prostate cancer (mCRPC). It is currently in Phase 3 clinical development and is being evaluated in combination with an androgen receptor pathway inhibitor (ARPI) versus standard of care in adult participants.

What does AAA817 target?

AAA817 is a small molecule that targets PSMA, a protein commonly expressed on prostate cancer cells. By targeting PSMA, AAA817 is designed to deliver treatment specifically to cancer cells. It is being studied in combination with an androgen receptor pathway inhibitor for PSMA-positive metastatic castration-resistant prostate cancer.

Who makes AAA817?

AAA817 is being developed by Novartis AG, a global pharmaceutical company traded on the New York Stock Exchange under the ticker symbol NVS. Novartis is conducting a Phase 3 clinical trial to evaluate AAA817 in combination with an androgen receptor pathway inhibitor for the treatment of PSMA-positive metastatic castration-resistant prostate cancer.

What phase is AAA817 in?

AAA817 is in Phase 3 clinical development. It is an investigational drug and has not been approved by regulatory authorities. The ongoing Phase 3 trial is recruiting participants to study AAA817 in combination with an androgen receptor pathway inhibitor versus standard of care in adult patients with PSMA-positive metastatic castration-resistant prostate cancer.

What clinical trials is AAA817 in?

AAA817 is being studied in a single Phase 3 clinical trial with the identifier NCT06855277. This randomized, active-controlled trial is recruiting 940 adult male participants with PSMA-positive metastatic castration-resistant prostate cancer across multiple countries, including the United States, Australia, Brazil, China, India, Japan, and the United Kingdom.