Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.

ClinicalTrials.gov 35 recruiting now early-phase tilt

Anatomic Stage I Breast Cancer AJCC v8: early-phase trial registry

35 of 64 indexed Anatomic Stage I Breast Cancer AJCC v8 trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #215 of 28,707 conditions by registered trial count.

64 US clinical trials · 35 currently recruiting · #215 of 28,707 conditions by registered trial count

Anatomic Stage I Breast Cancer AJCC v8: 64 US clinical trials tracked, 35 recruiting.

Anatomic Stage I Breast Cancer AJCC v8 is the subject of 64 registered US clinical trials on ClinicalTrials.gov, 35 of them currently open to new participants. 7 are in Phase 3-4 (later-stage) and 19 in Phase 1-2 (earlier-stage). The most active sponsor is M.D. Anderson Cancer Center, running 12 of these trials.

Enrollment posture brief

Registry condition anatomic-stage-i-breast-cancer-ajcc-v8

OPEN 35 | RECR 55% | LATE 7 | EARLY 19 | RANK #215 | SPON 12

Nearest open-share peer: Hidradenitis Suppurativa (55% recruiting · 53 trials)

Anatomic Stage I Breast (this)Anatomic Stage I Breast (th…55%Congenital Heart Disease51.6%Pulmonary Arterial Hypertens32.8%Non-Hodgkin's Lymphoma18.8%Diabetic Macular Edema15.6%
Open-enrollment share among volume-matched conditions near Anatomic Stage I Breast Cancer AJCC v8

Anatomic Stage I Breast Cancer AJCC v8 lists 35 open slots (55% of 64 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 Anatomic Stage I Breast Cancer AJCC v8 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. Anatomic Stage I Breast Cancer AJCC v8 is recruiting above its size-band peers.

    35 of 64 indexed trials (54.7%) are open to enrollment, against a 39.7% average across 762 conditions with 20-99 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.

  2. One sponsor concentrates Anatomic Stage I Breast Cancer AJCC v8 research.

    M.D. Anderson Cancer Center accounts for 12 of 64 trials (18.8%). 20 distinct sponsors appear on at least one study for this condition label.

  3. Typical Anatomic Stage I Breast Cancer AJCC v8 enrolment sits around 88 participants.

    Median target enrolment is 88 among the 64 trials that report a genuine target (sentinel values excluded). 34 of those (53.1%) plan for fewer than 100 participants.

  4. Anatomic Stage I Breast Cancer AJCC v8 research is mostly interventional.

    56 interventional and 8 observational studies make up this index (87.5% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 15Phase 214Phase 36Phase 41

Open and recent trials

64 total, page 2 of 2

ACTIVE NOT RECRUITING NA 62 participants

Standard Verbal Counseling With or Without a Pictorial Educational Tool for the Reduction of Psychological Morbidity in Patients With Stage 0-IIIA Breast Cancer Receiving Radiation Therapy, COPE Study

OHSU Knight Cancer Institute

NCT04993313

ACTIVE NOT RECRUITING NA 60 participants

A Conversational Agent (Cecebot) to Improve Insomnia in Stage I-III Breast Cancer Survivors

University of Washington

NCT06392789

ACTIVE NOT RECRUITING NA 50 participants

Hypnosedation in Relaxing Patients Undergoing Breast Cancer Surgery

M.D. Anderson Cancer Center

NCT03012399

ACTIVE NOT RECRUITING NA 49 participants

Mindfulness Intervention for Improving Nutrition in the Digital Kitchen Among Stage I-III Breast Cancer Survivors, MIND Trial

Fred Hutchinson Cancer Center

NCT06643455

ACTIVE NOT RECRUITING NA 30 participants

Exercise During Chemotherapy in Older Women With Stage I-III Breast Cancer

M.D. Anderson Cancer Center

NCT05025059

ACTIVE NOT RECRUITING NA 4 participants

Prospective Pilot Study of Robot-assisted Nipple Sparing Mastectomy (RNSM)

Ohio State University Comprehensive Cancer Center

NCT04537312

COMPLETED NA 452 participants

Tibetan Yoga in Improving Fatigue and Sleep in Participants With Stage I-III Breast Cancer

M.D. Anderson Cancer Center

NCT00507923

COMPLETED Phase 2 130 participants

Safely Stopping Pre-medications in Patients With Breast Cancer Who Are Receiving Paclitaxel

Ohio State University Comprehensive Cancer Center

NCT04862585

COMPLETED NA 50 participants

An Episodic Future Thinking Intervention to Promote Weight Loss in Breast Cancer Survivors

Ohio State University Comprehensive Cancer Center

NCT05012176

COMPLETED NA 45 participants

An Escape Room Intervention to Help Improve Breast Cancer Patients' Ability to Navigate Online Access to Nutrition Information

Fred Hutchinson Cancer Center

NCT06193070

COMPLETED NA 27 participants

Weight Bearing Exercise in Preventing Frailty in Stage I-IIIA Breast Cancer Survivors

University of Arizona

NCT03708055

COMPLETED NA 23 participants

Acupuncture in Reducing Chemotherapy-Induced Peripheral Neuropathy in Participants With Stage I-III Breast Cancer

Wake Forest University Health Sciences

NCT03505671

COMPLETED Phase 1 15 participants

Hydroxychloroquine, Palbociclib, and Letrozole Before Surgery in Treating Patients With Estrogen Receptor Positive, HER2 Negative Breast Cancer

M.D. Anderson Cancer Center

NCT03774472

COMPLETED Phase 1 11 participants

Nilotinib in Preventing Paclitaxel-Induced Peripheral Neuropathy in Patients With Stage I-III Breast Cancer

Ohio State University Comprehensive Cancer Center

NCT04205903

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Phase Distribution

PhaseTrial count
Phase 1 5
Phase 2 14
Phase 3 6
Phase 4 1

Named interventions

Most-linked intervention names on Anatomic Stage I Breast Cancer AJCC v8 records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Questionnaire Administration Other
32 trials
Biospecimen Collection Procedure
16 trials
Quality-of-Life Assessment Other
12 trials
Best Practice Other
10 trials
Survey Administration Other
9 trials
Educational Intervention Other
7 trials
Paclitaxel Drug
4 trials
Docetaxel Drug
4 trials

US sites by state

Facility locations filed on Anatomic Stage I Breast Cancer AJCC v8 trials. A trial with sites in several states counts in each.

California 16 trials
Texas 12 trials
Ohio 11 trials
Arizona 11 trials
Florida 7 trials
Washington 6 trials
Georgia 6 trials
Arkansas 5 trials

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

What to do with this Anatomic Stage I Breast Cancer AJCC v8 page

64 registered trials, 35 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • 35 Anatomic Stage I Breast Cancer AJCC v8 trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • M.D. Anderson Cancer Center sponsors the most Anatomic Stage I Breast Cancer AJCC v8 trials on record, review their full trial history before evaluating a specific study. See M.D. Anderson Cancer Center'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 Anatomic Stage I Breast Cancer AJCC v8 condition card totals 64 registered trials; most-linked intervention Questionnaire Administration; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.