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ClinicalTrials.gov 7 recruiting now early-phase tilt small index

Mastectomy: early-phase trial registry

7 of 9 indexed Mastectomy trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #1,916 of 28,707 conditions by registered trial count.

9 US clinical trials · 7 currently recruiting · #1,916 of 28,707 conditions by registered trial count

Mastectomy: 9 US clinical trials tracked, 7 recruiting.

Mastectomy is the subject of 9 registered US clinical trials on ClinicalTrials.gov, 7 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is Weill Medical College of Cornell University, running 1 of these trials.

Enrollment posture brief

Registry condition mastectomy

OPEN 7 | RECR 78% | LATE 0 | EARLY 1 | RANK #1916 | SPON 1

Nearest open-share peer: Advanced Colorectal Carcinoma (78% recruiting · 9 trials)

Mastectomy (this)78%Acute Lymphoblastic Leukemia55.6%Acute Respiratory Distress S55.6%Acute Otitis Media22.2%Acute Heart Failure11.1%
Open-enrollment share among volume-matched conditions near Mastectomy

Mastectomy lists 7 open slots (78% of 9 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Mastectomy 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. Mastectomy is recruiting above its size-band peers.

    7 of 9 indexed trials (77.8%) 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.

  2. Sponsorship of Mastectomy trials is spread across many organizations.

    Weill Medical College of Cornell University accounts for 1 of 9 trials (11.1%). 9 distinct sponsors appear on at least one study for this condition label.

  3. Typical Mastectomy enrolment sits around 78 participants.

    Median target enrolment is 78 among the 9 trials that report a genuine target (sentinel values excluded). 5 of those (55.6%) plan for fewer than 100 participants.

  4. Mastectomy research is mostly interventional.

    9 interventional and 0 observational studies make up this index (100% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 11

Phase Distribution

PhaseTrial count
Phase 1 1

Named interventions

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

Placebo regional nerveblock with normal saline Other
1 trials
regional nerve block with local anesthesia of bupivacaine with steroid Drug
1 trials
Discharge timing Other
1 trials
Surgery, Breast Mold Procedure
1 trials
Standard of care reconstruction Procedure
1 trials
Jackson Pratt Drain System Device
1 trials
Interi Manifold Drain System Device
1 trials
Control: Standard of care and normal wound dressing Other
1 trials

US sites by state

Facility locations filed on Mastectomy trials. A trial with sites in several states counts in each.

California 3 trials
New York 2 trials
Texas 1 trials
New Jersey 1 trials
Illinois 1 trials
Colorado 1 trials
Alabama 1 trials

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

What to do with this Mastectomy page

9 registered trials, 7 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

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 Mastectomy condition card totals 9 registered trials; most-linked intervention Placebo regional nerveblock with normal saline; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.