Actively Recruiting

Phase 1
Age: 18Years +
FEMALE
NCT07081555

A First-in-Human Phase 1 Safety and Biodistribution of [177Lu]Lu-ABY-271 in Subjects With HER2-positive Metastatic Breast Cancer

Led by Affibody · Updated on 2025-10-01

21

Participants Needed

3

Research Sites

138 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

This is a FiH phase 1, open-label, two-stage, randomized trial to assess the safety, tolerability, and biodistribution of \[177Lu\]Lu-ABY-271 in subjects with HER2 positive metastatic breast cancer.

CONDITIONS

Official Title

A First-in-Human Phase 1 Safety and Biodistribution of [177Lu]Lu-ABY-271 in Subjects With HER2-positive Metastatic Breast Cancer

Who Can Participate

Age: 18Years +
FEMALE

Eligibility Criteria

Eligible

You may qualify if you...

  • Subject has unresectable locally advanced or metastatic breast cancer
  • Subject has histologically or cytologically confirmed carcinoma with documented HER2 overexpression (IHC score 3+ or 2+ with positive ISH), biopsy no older than 2 years
  • Subject has at least one known tumor lesion 15 mm or larger
  • Subject has Eastern Cooperative Oncology Group (ECOG) performance status of 2 or less
  • For Part A only: Subject is receiving or plans to start a new standard systemic anti-tumor therapy
  • For Part B only: Subject has progressive disease documented by imaging in the last 3 months
  • For Part B only: Subject has received at least 3 lines of standard systemic anti-tumor therapy in the palliative setting
  • For Part B only: Subject has completed previous systemic therapy with no ongoing toxicities above grade 1 (except alopecia) before first dose of [177Lu]Lu-ABY-271
Not Eligible

You will not qualify if you...

  • Active brain metastases
  • Received another investigational medicinal product within 5 half-lives (or 6 months for biologics) before planned first dose of [177Lu]Lu-ABY-271
  • Received any anti-tumor therapy since last documented progression, including radiotherapy within 7 days before planned first dose of [177Lu]Lu-ABY-271

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 3 locations

1

Sahlgrenska University Hospital

Gothenburg, Sweden, S-413 45

Actively Recruiting

2

Karolinska University Hospital

Stockholm, Sweden, SE-17164

Actively Recruiting

3

Akademiska Sjukhuset

Uppsala, Sweden, SE-751 85

Actively Recruiting

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Research Team

A

Affibody AB

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

RANDOMIZED

Model

SEQUENTIAL

Primary Purpose

TREATMENT

Number of Arms

4

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