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NCT05219500 · ClinicalTrials.gov registry record · Phase 2

Targeted Alpha Therapy With 225Actinium-Prostate Specific Membrane Antigen (PSMA)-I&T of Castration-resISTant Prostate Cancer (TATCIST).

A Phase 2 study of Metastatic Castration-Resistant Prostate Cancer, sponsored by Fusion Pharmaceuticals.

Active
Registry status
Phase 2
Development phase
115
Enrollment target
2
Study locations

NCT05219500: Active Phase 2 study of Metastatic Castration-Resistant Prostate Cancer, sponsored by Fusion Pharmaceuticals.

NCT05219500 is a Phase 2 study of Metastatic Castration-Resistant Prostate Cancer that is active but no longer recruiting, run by Fusion Pharmaceuticals. The registered enrollment target is 115 participants, below the 196-participant average among 69 other Metastatic Castration-Resistant Prostate Cancer trials with a reported enrollment target (41% lower). The trial reports 2 study locations across 2 states. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT05219500, a Phase 2 study of Metastatic Castration-Resistant Prostate Cancer, is active but no longer recruiting, sponsored by Fusion Pharmaceuticals.

ACTIVE NOT RECRUITING
Registry status
Phase 2
Development phase
115 participants
Enrollment target
2
Study locations

Study Summary

The treatment regimen will consist of 4 doses of FPI-2265

Primary Outcome

Frequency and proportion of participants with PSA50, defined as ≥ 50% decline in PSA level by 12-weeks after the first treatment.

Interventions

  • DRUG FPI-2265

Study Locations (2)

Nebraska

  • XCancer Omaha/Urology Cancer Center - Omaha

Texas

  • Excel Diagnostics and Nuclear Oncology Center - Houston

Trial Details

FieldValue
Enrollment Target 115 participants
Start Date 2021-12-16
Est. Completion 2026-07-31
Phase Phase 2
Fusion Pharmaceuticals

4 total trials

What the registry record for NCT05219500 still lists

NCT05219500 is an interventional study that assigns participants to a tested intervention. The registered 115 participants enrollment target is mid-sized for trials with a published cap, below the 196-participant average among 69 other Metastatic Castration-Resistant Prostate Cancer trials with a reported enrollment target (41% lower).

The record links to 1 condition, with Metastatic Castration-Resistant Prostate Cancer appearing as the primary indexed condition, and to 1 intervention - of which FPI-2265 is the first listed.

NCT05219500 reports a single indexed study location in Nebraska, Texas.

Frequently Asked Questions

What is clinical trial NCT05219500 about?

NCT05219500 is a clinical study titled "Targeted Alpha Therapy With 225Actinium-Prostate Specific Membrane Antigen (PSMA)-I&T of Castration-resISTant Prostate Cancer (TATCIST).". The treatment regimen will consist of 4 doses of FPI-2265

What is the current status of trial NCT05219500?

This trial is currently active not recruiting. It is a Phase 2 study. The enrollment target is 115 participants. The study started on 2021-12-16. Estimated completion is 2026-07-31.

What conditions does trial NCT05219500 study?

This clinical trial studies the following conditions: Metastatic Castration-Resistant Prostate Cancer.

What interventions are being tested in trial NCT05219500?

The interventions under investigation include: FPI-2265 (DRUG).

Who is sponsoring clinical trial NCT05219500?

This trial is sponsored by Fusion Pharmaceuticals, which has 4 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT05219500 being conducted?

This trial has 2 study locations across Nebraska, Texas. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Metastatic Castration-Resistant Prostate Cancer

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT05219500's enrollment target sits among peer trials

115 25th of 69 higher than 45 of 69 other Metastatic Castration-Resistant Prostate Cancer trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Metastatic Castration-Resistant Prostate Cancer trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT05219500, the US trial registry maintained by the National Library of Medicine. NCT05219500 (mid enrollment · single site footprint · active not recruiting) retrieved and formatted by PlainTrial, see methodology.