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NCT05849298PHASE2ACTIVE_NOT_RECRUITING

A Phase II Study of AAA617 Alone and AAA617 in Combination With ARPI in Patients With PSMA PET Scan Positive CRPC

An International Prospective Open-label, Multi-center, Randomized, Non-comparative Phase II Study of Lutetium [177Lu] Vipivotide Tetraxetan (AAA617) Alone and Lutetium [177Lu] Vipivotide Tetraxetan (AAA617) in Combination With Androgen Receptor Pathway Inhibitors in Patients With PSMA PET Scan Positive Castration-Resistant Prostate Cancer

Sponsor: Novartis Pharmaceuticals

No open prediction endpoints

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Key Facts

Study type
INTERVENTIONAL
Conditions
Prostatic Neoplasm
Interventions
AAA617, AAA517, Piflufolastat F 18, ARPI
Enrollment
49 participants
Primary completion
Dec 2026
Study completion
Dec 2026
First posted
May 2023
Last updated
May 2026

Primary Endpoints (CT.gov)

PSA response

Time frame: From randomization until PSA nadir value of =< 0.2 ng/mL that is confirmed by a second (the next) PSA measurement >= 4 weeks later, up to 5 years

Secondary Endpoints

Metastatic Free Survival (MFS)

Radiographic Progression Free Survival (rPFS)

Overall Survival (OS)

Eligibility Criteria

Key Inclusion criteria * Participants must be adults ≥ 18 years of age with signed informed consent prior to participation to study * Histologically or cytologically confirmed prostate cancer * Participants must have ongoing androgen deprivation therapy with a GnRH agonist/antagonist or prior bilateral orchiectomy at the time of randomization. Intermittent administration of ADT is accepted before randomization if criterion for serum testosterone is met * Castrate level of serum testosterone (\< 1.7 nmol/l \[50 ng/dl\]) on GnRH agonist or antagonist therapy (continuous/intermittent) or after bilateral orchiectomy prior to randomization * Participants must have evidence of PSMA-positive disease (N1 or M1) as seen on a AAA517 or piflufolastat F 18 PET/CT scan at baseline as determined by Blinded Independent Central Review (BICR) based on the methodology proposed in the Prostate Cancer Molecular Imaging Standardized Evaluation (PROMISE) (Eiber et al 2018). Participants with M1 disease onl

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✦ Analyst Commentary

Expert commentary on why this trial matters and what to watch for.

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Source

Open on ClinicalTrials.gov