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ClinicalTrials.gov enrollment closed early-phase tilt small index

Breast Cancer, Early-Onset: early-phase trial registry

A small indexed set (2 trials) with no open enrollment listed right now.

Corpus placement: #7,188 of 28,707 conditions by registered trial count.

2 US clinical trials · none currently recruiting · #7,188 of 28,707 conditions by registered trial count

Breast Cancer, Early-Onset: 2 US clinical trials tracked, none currently recruiting.

Breast Cancer, Early-Onset is the subject of 2 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. 0 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is Intuitive Surgical, running 1 of these trials.

Enrollment posture brief

Registry condition breast-cancer-early-onset

OPEN 0 | RECR 0% | LATE 0 | EARLY 1 | RANK #7188 | SPON 1

Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)

Ablation80%ACL Reconstruction80%Abuse, Drug60%Acceptability60%Breast Cancer, Early-Ons (this)Breast Cancer, Early-Ons (th…0%
Open-enrollment share among volume-matched conditions near Breast Cancer, Early-Onset

Breast Cancer, Early-Onset has no open enrollment in this registry pull (2 archived studies). Peers show how other volume-matched labels compare on open share. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Breast Cancer, Early-Onset on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.

  1. Breast Cancer, Early-Onset is recruiting below its size-band peers.

    0 of 2 indexed trials (0%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.

Phase 11

Phase Distribution

PhaseTrial count
Phase 1 1

Named interventions

Most-linked intervention names on Breast Cancer, Early-Onset records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Open NSM Procedure
1 trials
Robotic NSM Device
1 trials
Neoadjuvant chemotherapy administered before surgical extraction of a tumor Drug
1 trials
Observational Other
1 trials

US sites by state

Facility locations filed on Breast Cancer, Early-Onset trials. A trial with sites in several states counts in each.

Wisconsin 1 trials
Washington 1 trials
Texas 1 trials
Tennessee 1 trials
Pennsylvania 1 trials
New York 1 trials
New Jersey 1 trials
North Carolina 1 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

What to do with this Breast Cancer, Early-Onset page

2 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • No Breast Cancer, Early-Onset trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
  • Intuitive Surgical sponsors the most Breast Cancer, Early-Onset trials on record, review their full trial history before evaluating a specific study. See Intuitive Surgical's trials
  • Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Breast Cancer, Early-Onset condition card totals 2 registered trials; most-linked intervention Open NSM; top US site state Wisconsin. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.