Establishment and Clinical Transformation of ADC Drug Efficacy Evaluation System for Breast Cancer Based on Molecular Imaging

NCT06715020 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 60

Last updated 2026-08-11

No results posted yet for this study

Summary

The objective of the study is to construct a noninvasive approach 68Ga-TTP PET/CT to detect the TROP2 expression of tumor lesions in patients with breast tumors and evaluate the efficacy of ADC drug therapy.

Conditions

Interventions

DRUG

18F-FDG

\[18F\]FDG is administered intravenously as the comparator PET radiotracer. In the diagnostic validation cohort, participants undergo one \[18F\]FDG PET examination within 1 week of the \[68Ga\]Ga-TTP scan, with no treatment between scans. In the ADC response assessment cohort, participants undergo \[18F\]FDG PET imaging at the same three time points as \[68Ga\]Ga-TTP: before ADC therapy, after 2 cycles(each cycle is 21 days), and at disease progression. The planned administered activity is approximately 0.1-0.15 mCi/kg.

DRUG

[68Ga]Ga-TTP

\[68Ga\]Ga-TTP is a TROP2-targeted PET radiotracer administered intravenously for PET imaging. In the diagnostic validation cohort, participants undergo one \[68Ga\]Ga-TTP PET examination within 1 week of the comparator \[18F\]FDG scan. In the ADC response assessment cohort, participants undergo \[68Ga\]Ga-TTP PET imaging before ADC therapy, after 2 cycles of treatment(each cycle is 21 days), and at disease progression. The planned administered activity is approximately 0.05-0.1 mCi/kg.

Sponsors & Collaborators

  • Yunnan Cancer Hospital

    collaborator OTHER
  • Peking University Cancer Hospital & Institute

    lead OTHER

Study Design

Allocation
NON_RANDOMIZED
Purpose
DIAGNOSTIC
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Max Age
75 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2024-12-10
Primary Completion
2026-12-31
Completion
2026-12-31

Countries

  • China

Study Locations

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Entities

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06715020 on ClinicalTrials.gov