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ClinicalTrials.gov 2 recruiting now early-phase tilt small index

Estrogen Receptor Negative: early-phase trial registry

2 of 18 indexed Estrogen Receptor Negative trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #953 of 28,707 conditions by registered trial count.

18 US clinical trials · 2 currently recruiting · #953 of 28,707 conditions by registered trial count

Estrogen Receptor Negative: 18 US clinical trials tracked, 2 recruiting.

Estrogen Receptor Negative is the subject of 18 registered US clinical trials on ClinicalTrials.gov, 2 of them currently open to new participants. 3 are in Phase 3-4 (later-stage) and 14 in Phase 1-2 (earlier-stage). The most active sponsor is M.D. Anderson Cancer Center, running 5 of these trials.

Enrollment posture brief

Registry condition estrogen-receptor-negative

OPEN 2 | RECR 11% | LATE 3 | EARLY 14 | RANK #953 | SPON 5

Nearest open-share peer: Acute Heart Failure (11% recruiting · 9 trials)

Arrhythmias, Cardiac27.8%Androgenetic Alopecia16.7%Anemia, Sickle Cell16.7%Estrogen Receptor Negati (th…11%Acquired Immunodeficiency Sy5.6%
Open-enrollment share among volume-matched conditions near Estrogen Receptor Negative

Estrogen Receptor Negative lists 2 open slots (11% of 18 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 Estrogen Receptor Negative 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. Estrogen Receptor Negative is recruiting below its size-band peers.

    2 of 18 indexed trials (11.1%) 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. One sponsor concentrates Estrogen Receptor Negative research.

    M.D. Anderson Cancer Center accounts for 5 of 18 trials (27.8%). 9 distinct sponsors appear on at least one study for this condition label.

  3. Most Estrogen Receptor Negative trials plan to enrol fewer than 100 people.

    Median target enrolment is 71 among the 18 trials that report a genuine target (sentinel values excluded). 12 of those (66.7%) plan for fewer than 100 participants.

  4. Estrogen Receptor Negative research is mostly interventional.

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

Phase 16Phase 28Phase 33

Open and recent trials

18 total, page 1 of 1

RECRUITING NA 120 participants

Multicenter Trial for Eliminating Breast Cancer Surgery or Radiotherapy in Exceptional Responders to Neoadjuvant Systemic Therapy

M.D. Anderson Cancer Center

NCT02945579

RECRUITING Phase 2 100 participants

Pembrolizumab and Carboplatin in Treating Patients With Circulating Tumor Cells Positive Metastatic Breast Cancer

Northwestern University

NCT03213041

ACTIVE NOT RECRUITING Phase 3 782 participants

Doxorubicin Hydrochloride and Cyclophosphamide Followed by Paclitaxel With or Without Carboplatin in Treating Patients With Triple-Negative Breast Cancer

NRG Oncology

NCT02488967

ACTIVE NOT RECRUITING Phase 3 415 participants

Platinum in Treating Patients With Residual Triple-Negative Breast Cancer Following Neoadjuvant Chemotherapy

ECOG-ACRIN Cancer Research Group

NCT02445391

ACTIVE NOT RECRUITING Phase 1 159 participants

mTORC1/2 Inhibitor AZD2014 or the Oral AKT Inhibitor AZD5363 for Recurrent Endometrial and Ovarian

M.D. Anderson Cancer Center

NCT02208375

ACTIVE NOT RECRUITING Early Phase 1 96 participants

DCE-MRI and MBI in Assessing Tumor Response to Chemotherapy in Patients With Triple Negative Breast Cancer

M.D. Anderson Cancer Center

NCT02744053

ACTIVE NOT RECRUITING Phase 2 92 participants

Paclitaxel & Cyclophosphamide With or Without Trastuzumab Before Surgery in Treating Previously Untreated Breast Cancer

University of Nebraska

NCT01750073

ACTIVE NOT RECRUITING Phase 2 71 participants

Pembrolizumab in Treating Patients With Stage IV Metastatic or Recurrent Inflammatory Breast Cancer or Triple-Negative Breast Cancer Who Have Achieved Clinical Response or Stable Disease to Prior Chemotherapy

M.D. Anderson Cancer Center

NCT02411656

ACTIVE NOT RECRUITING Phase 2 67 participants

Carboplatin and Paclitaxel Albumin-Stabilized Nanoparticle Formulation Before Surgery in Treating Patients With Locally Advanced or Inflammatory Triple Negative Breast Cancer

City of Hope Medical Center

NCT01525966

ACTIVE NOT RECRUITING Phase 2 42 participants

Carboplatin and Paclitaxel With or Without Panitumumab in Treating Patients With Invasive Triple Negative Breast Cancer

M.D. Anderson Cancer Center

NCT02876107

ACTIVE NOT RECRUITING Phase 1 11 participants

Vaccine Therapy and Pembrolizumab in Treating Patients With Solid Tumors That Have Failed Prior Therapy

City of Hope Medical Center

NCT02432963

COMPLETED Phase 3 799 participants

Paclitaxel, Nab-paclitaxel, or Ixabepilone With or Without Bevacizumab in Treating Patients With Stage IIIC or Stage IV Breast Cancer

National Cancer Institute (NCI)

NCT00785291

COMPLETED Phase 1 40 participants

Dinaciclib and Epirubicin Hydrochloride in Treating Patients With Metastatic Triple-Negative Breast Cancer

National Cancer Institute (NCI)

NCT01624441

COMPLETED Phase 2 30 participants

MEDI4736 and Tremelimumab in Treating Patients With Metastatic HER2 Negative Breast Cancer

Northwestern University

NCT02536794

COMPLETED Phase 1 29 participants

Galunisertib and Paclitaxel in Treating Patients With Metastatic Androgen Receptor Negative (AR-) Triple Negative Breast Cancer

Vanderbilt-Ingram Cancer Center

NCT02672475

COMPLETED Phase 1 22 participants

Veliparib in Combination With Carboplatin and Paclitaxel in Treating Patients With Locally Advanced or Metastatic Solid Tumors

National Cancer Institute (NCI)

NCT01281150

COMPLETED Phase 2 22 participants

Tivantinib in Treating Patients With Recurrent or Metastatic Breast Cancer

National Cancer Institute (NCI)

NCT01575522

COMPLETED Phase 2 7 participants

18F-FSPG PET/CT for Cancer Patients on Therapy

Andrei Iagaru

NCT02599194

Phase Distribution

PhaseTrial count
Phase 1 6
Phase 2 8
Phase 3 3

Named interventions

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

Laboratory Biomarker Analysis Other
15 trials
Paclitaxel Drug
6 trials
Carboplatin Drug
5 trials
Pharmacological Study Other
3 trials
Pembrolizumab Biological
3 trials
Doxorubicin Hydrochloride Drug
2 trials
Cyclophosphamide Drug
2 trials
Epirubicin Hydrochloride Drug
1 trials

US sites by state

Facility locations filed on Estrogen Receptor Negative trials. A trial with sites in several states counts in each.

Texas 6 trials
California 5 trials
Arizona 4 trials
Pennsylvania 2 trials
Illinois 2 trials
Arkansas 2 trials
Alabama 2 trials
Alaska 2 trials

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

What to do with this Estrogen Receptor Negative page

18 registered trials, 2 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 Estrogen Receptor Negative condition card totals 18 registered trials; most-linked intervention Laboratory Biomarker Analysis; top US site state Texas. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.