# Study Evaluating Dosimetry, Randomized Dose Optimization, Dose Escalation and Efficacy of Ac-225 Rosopatamab Tetraxetan in Participants With PSMA PET-Positive Castration-Resistant Prostate Cancer (CRPC)

Source: https://onco.cc/trials/nct06549465/  
OnCo record `nct06549465` (Trial). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

A phase 2 trial of In-111 rosopatamab tetraxetan in prostate cancer, run by Convergent Therapeutics, now recruiting.

## Summary

Study Evaluating Dosimetry, Randomized Dose Optimization, Dose Escalation and Efficacy of Ac-225 Rosopatamab Tetraxetan in Participants With PSMA PET-Positive Castration-Resistant Prostate Cancer (CRPC) is a phase 2 interventional study registered as NCT06549465 by Convergent Therapeutics, with 93 participants planned, started 2024-08-06 and due to reach its primary completion in 2027-04-20. Interventions recorded: In-111 rosopatamab tetraxetan, 45 kBq/kg Ac-225 rosopatamab tetraxetan, 45 kBq/kg or equivalent fixed dose activity Ac-225 rosopatamab tetraxetan, 60 kBq/kg Ac-225 rosopatamab tetraxetan, Single dose 22 kBq/kg or equivalent fixed dose activity Ac-225 rosopatamab tetraxetan and Single dose 34 kBq/kg or equivalent fixed dose activity Ac-225 rosopatamab tetraxetan.

## Fields

- Kind: Trial
- Status: recruiting
- Last checked: 2026-09-16
- Tags: pipeline; ctgov-ingest
- Registry id: NCT06549465
- Phase: 2
- Setting: A Phase 2, Open-label Study Evaluating Dosimetry, Randomized Dose Optimization, Dose Escalation and Efficacy of Ac-225 Rosopatamab Tetraxetan in Participants With PSMA PET-Positive Castration-Resistant Prostate Cancer
- Sponsor: Convergent Therapeutics
- Enrolled: 93

## Sources

- ClinicalTrials.gov NCT06549465: https://clinicaltrials.gov/study/NCT06549465

## Connected records

- cancers: [Prostate cancer](https://onco.cc/cancers/prostate/)
- companies: [Convergent Therapeutics](https://onco.cc/companies/convergent-therapeutics/)

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