Early Phase 1 Trial of GRPR-Targeted Theranostic DOTA-STR-17126

A first-in-human imaging trial of DOTA-STR-17126 just started in Australia. It is an open-label, single-arm early phase 1 study enrolling up to 20 adults with advanced or metastatic prostate or breast cancer who have exhausted standard treatments. The trial uses a theranostic approach. Participants receive gallium-68 DOTA-STR-17126 for PET imaging to detect tumors expressing the […]

Phase 2 Trial of GV20-0251 With Anti-PD-1 Therapy in mCRPC

GV20-0251 is an experimental antibody that blocks a new immune brake called IGSF8, and this phase 2 study tests it together with anti-PD-1 drugs in people with advanced solid tumors that no longer respond to standard treatment. The goal is to restore early innate immune signaling so checkpoint therapy works better in resistant cancers. From […]

Zanzalintinib After Pluvicto in Chemo‑Naïve mCRPC

Zanzalintinib is being tested after Pluvicto (177Lu-PSMA-617) in metastatic castration‑resistant prostate cancer (mCRPC) because it targets several escape routes tumors use once they have survived PSMA‑directed radioligand therapy and prolonged AR pathway blockade. Pluvicto delivers beta radiation to PSMA‑expressing cells, inducing DNA damage and tumor cell death, but progression still occurs and is often driven […]

UPDATE: ABBV-969 Shows Very Promising rFPS in mCRPC

ABBV-969 is a dual-target antibody-drug conjugate targeting PSMA and STEAP1, data about its radiographic progression-free survival data have just been released, confirming a median rPFS of approximately 15 months in heavily pretreated metastatic castration-resistant prostate cancer. The study demonstrates a signal far exceeding the 4- to 5-month rPFS historically seen with cabazitaxel in the same […]

CD46 ImmunoPET in mCRPC: A New Theranostic Axis Beyond PSMA

CD46 is a cell‑surface protein that stays highly expressed in aggressive, late‑stage prostate cancer, including PSMA‑low, AR‑negative and neuroendocrine variants. That means CD46 immunoPET can still “see” and quantify disease that PSMA PET misses, and can guide CD46‑targeted therapies in exactly those PSMA‑low/negative patients who respond poorly to PSMA‑directed radioligand therapy. Using the human antibody […]

VECTRA-01 Phase 3 Trial Tests Alpha-Emitting AZD2265 in PSMA-Positive mCRPC

A pivotal Phase 3 trial called VECTRA-01 has launched to evaluate AZD2265 (²²⁵Ac-PSMA-I&T), an alpha-emitting radioligand therapy targeting PSMA-positive metastatic castration-resistant prostate cancer. The study began in May 2026, enrolling approximately 670 participants across 90 global sites, with recruitment currently active at select locations. The trial’s primary objective is to demonstrate superiority over standard of […]

Zanzalintinib for Metastatic Castration-Resistant Prostate Cancer

Zanzalintinib is a new investigational drug showing activity in metastatic castrate-resistant prostate cancer (mCRPC), particularly in patients with soft tissue or visceral metastases who have progressed on prior treatment. A single-arm Phase II trial is evaluating whether zanzalintinib is effective for this difficult-to-treat population. Participants can stay in the study for up to 24 months […]

The MOMENT Trial: Mevrometostat Plus Enzalutamide in Post‑ARPI, Pre‑Abiraterone mCRPC

Mevrometostat is an oral EZH2 inhibitor being developed to overcome resistance to androgen‑receptor–targeted therapy in prostate cancer. In tumors, EZH2 helps switch off tumor‑suppressor genes and supports androgen‑independent growth and lineage plasticity, changes that are strongly linked to progression on drugs like enzalutamide. Adding an EZH2 inhibitor to continued AR blockade is meant to “re‑discipline” […]

Phase 3 CaBRA Trial: Adding Carboplatin for mHSPC With BRCA Mutations or Neuroendocrine Phenotype

In the phase 3 CaBRA trial, carboplatin is added to the docetaxel-based chemotherapy backbone used with lifelong ADT (androgen deprivation therapy) and darolutamide,  creating a quadruple-intensification  therapy for a small but very high-risk subgroup of metastatic castration-sensitive prostate cancer. The trial focuses on tumors with either BRCA alterations or neuroendocrine differentiation, two features that are […]

B7-H3 ADC YL201 Delivers Encouraging Results in Advanced mCRPC

YL201, a B7-H3–targeting antibody–drug conjugate, is showing notable activity in advanced metastatic castration-resistant prostate cancer (mCRPC), including patients who have progressed after androgen receptor–targeted therapy and chemotherapy. In a phase 2 study of 82 heavily pretreated patients, the drug delivered a confirmed PSA50 response rate of 38.5%, an objective response rate of 29.5%, and a […]