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ClinicalTrials.gov 12 recruiting now early-phase tilt small index

Rectal Adenocarcinoma: early-phase trial registry

12 of 18 indexed Rectal Adenocarcinoma 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 · 12 currently recruiting · #953 of 28,707 conditions by registered trial count

Rectal Adenocarcinoma: 18 US clinical trials tracked, 12 recruiting.

Rectal Adenocarcinoma is the subject of 18 registered US clinical trials on ClinicalTrials.gov, 12 of them currently open to new participants. 2 are in Phase 3-4 (later-stage) and 13 in Phase 1-2 (earlier-stage). The most active sponsor is M.D. Anderson Cancer Center, running 3 of these trials.

Enrollment posture brief

Registry condition rectal-adenocarcinoma

OPEN 12 | RECR 67% | LATE 2 | EARLY 13 | RANK #953 | SPON 3

Nearest open-share peer: Acute Hypoxemic Respiratory Failure (67% recruiting · 6 trials)

Rectal Adenocarcinoma (this)67%Arrhythmias, Cardiac27.8%Androgenetic Alopecia16.7%Anemia, Sickle Cell16.7%Acquired Immunodeficiency Sy5.6%
Open-enrollment share among volume-matched conditions near Rectal Adenocarcinoma

Rectal Adenocarcinoma lists 12 open slots (67% 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 Rectal Adenocarcinoma 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. Rectal Adenocarcinoma is recruiting above its size-band peers.

    12 of 18 indexed trials (66.7%) 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 Rectal Adenocarcinoma research.

    M.D. Anderson Cancer Center accounts for 3 of 18 trials (16.7%). 13 distinct sponsors appear on at least one study for this condition label.

  3. Most Rectal Adenocarcinoma trials plan to enrol fewer than 100 people.

    Median target enrolment is 44 among the 18 trials that report a genuine target (sentinel values excluded). 14 of those (77.8%) plan for fewer than 100 participants.

  4. Rectal Adenocarcinoma research is mostly interventional.

    15 interventional and 3 observational studies make up this index (83.3% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 16Phase 27Phase 32

Open and recent trials

18 total, page 1 of 1

RECRUITING Phase 3 477 participants

A Clinical Study of Calderasib (MK-1084) With Targeted Therapy and Chemotherapy in People With Colorectal Cancer (MK-1084-012/KANDLELIT-012)

Merck Sharp & Dohme

NCT06997497

RECRUITING Phase 2 200 participants

Study of Induction PD-1 Blockade in Subjects With Locally Advanced Mismatch Repair Deficient Solid Tumors

Memorial Sloan Kettering Cancer Center

NCT04165772

RECRUITING Early Phase 1 120 participants

Active Surveillance and Chemotherapy Before Surgery in Treating Participants With Stage II-III Rectal Cancer

M.D. Anderson Cancer Center

NCT03594630

RECRUITING Phase 2 60 participants

Trial Utilizing Metronidazole to Optimize the Microbiome of Rectal Adenocarcinoma Undergoing Neoadjuvant Therapy

M.D. Anderson Cancer Center

NCT06569368

RECRUITING 50 participants

Establishing a ctDNA Biomarker to Improve Organ Preserving Strategies in Patients With Rectal Cancer

OHSU Knight Cancer Institute

NCT05081024

RECRUITING Phase 2 44 participants

Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

University of Colorado, Denver

NCT07292298

RECRUITING 39 participants

Monitoring Treatment Response With On-board DWI During Neo-adjuvant Chemo-radiation for Rectal Cancer Using Magnetic Resonance-guided-radiotherapy Systems

Institut Paoli-Calmettes

NCT03961776

RECRUITING Phase 2 37 participants

A Study of Tucatinib and Trastuzumab in People With Rectal Cancer

Memorial Sloan Kettering Cancer Center

NCT05672524

RECRUITING Phase 2 26 participants

FOLFOX, Botensilimab, and Balstilimab for the Treatment of Localized Rectal Cancer Before Surgery

City of Hope Medical Center

NCT06780787

RECRUITING Phase 1 25 participants

Short Course Radiation Therapy and Combination Chemotherapy for the Treatment of Stage II-III Rectal Cancer

Jonsson Comprehensive Cancer Center

NCT04703101

RECRUITING Phase 1 22 participants

MRI-Guided Adaptive Radiation Therapy for Organ Preservation in Rectal Cancer

Medical College of Wisconsin

NCT04808323

RECRUITING Phase 3 20 participants

Evaluating Novel Therapies in ctDNA Positive GI Cancers

Georgetown University

NCT05482516

ACTIVE NOT RECRUITING 818 participants

Young-Onset Colorectal Cancer

M.D. Anderson Cancer Center

NCT02863107

ACTIVE NOT RECRUITING Phase 2 50 participants

ExIST Study of LY2157299 (Galunisertib) in Rectal Cancer

Providence Health & Services

NCT02688712

ACTIVE NOT RECRUITING Phase 2 48 participants

Study of Cabozantinib and Nivolumab in Refractory Metastatic Microsatellite Stable (MSS) Colorectal Cancer

University of Colorado, Denver

NCT04963283

ACTIVE NOT RECRUITING Early Phase 1 20 participants

Adaptive Radiation for Locally Advanced Rectal Adenocarcinoma

H. Lee Moffitt Cancer Center and Research Institute

NCT05108428

ACTIVE NOT RECRUITING Phase 1 19 participants

TAS-102 With Concurrent Radiation for the Treatment of Untreated Resectable Stage II-III Rectal Cancer

OHSU Knight Cancer Institute

NCT04104139

COMPLETED Phase 1 42 participants

Nintedanib and Capecitabine in Treating Patients With Refractory Metastatic Colorectal Cancer

Roswell Park Cancer Institute

NCT02393755

Phase Distribution

PhaseTrial count
Phase 1 6
Phase 2 7
Phase 3 2

Named interventions

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

Capecitabine Drug
6 trials
Biospecimen Collection Procedure
3 trials
Intensity-Modulated Radiation Therapy Radiation
2 trials
Questionnaire Administration Other
2 trials
Oxaliplatin Drug
2 trials
Fluorouracil Drug
2 trials
Tumor specific mesorectal excision Procedure
1 trials
LY2157299 Drug
1 trials

US sites by state

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

California 5 trials
Oregon 4 trials
New York 4 trials
New Jersey 4 trials
Texas 3 trials
Florida 3 trials
Colorado 2 trials
Wisconsin 1 trials

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

What to do with this Rectal Adenocarcinoma page

18 registered trials, 12 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 Rectal Adenocarcinoma condition card totals 18 registered trials; most-linked intervention Capecitabine; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.