# PLUMB metastatic lobular breast cancer registry

Source: https://onco.cc/trials/nct05964504/  
OnCo record `nct05964504` (Trial). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

PLUMB follows people with metastatic lobular breast cancer and collects clinical data and samples. It aims to improve how treatment response is measured for this cancer subtype.

## Summary

PLUMB follows people with metastatic lobular breast cancer and collects clinical data and samples. It aims to improve how treatment response is measured for this cancer subtype.

Observational study registered as NCT05964504, sponsored by University of California, San Francisco. Registry enrollment is 150 participants (estimated). Registry status checked October 10, 2026: recruiting. UCSF lists this study as open to eligible people; local availability and overall registry status are separate. See the registry for full eligibility and current sites.

## Fields

- Kind: Trial
- Status: recruiting
- Last checked: 2026-10-10
- Also known as: Improving Survival for Metastatic Lobular Breast Cancer (PLUMB Registry)
- Tags: ucsf-breast-coverage; observational
- Registry id: NCT05964504
- Phase: observational
- Setting: Metastatic invasive lobular breast cancer
- Sponsor: University of California, San Francisco

## Sources

- ClinicalTrials.gov NCT05964504: https://clinicaltrials.gov/study/NCT05964504
- UCSF study listing and local availability: https://clinicaltrials.ucsf.edu/trial/NCT05964504

## Connected records

- cancers: [Breast cancer (all types)](https://onco.cc/cancers/breast-cancer/)
- institutions: [UCSF Helen Diller Family Comprehensive Cancer Center](https://onco.cc/institutions/ucsf/)

---
JSON: https://onco.cc/api/v1/entities/nct05964504.json