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ClinicalTrials.gov 5 recruiting now early-phase tilt #115 of 28,707 conditions

Unspecified Adult Solid Tumor, Protocol Specific: early-phase trial registry

5 of 112 indexed Unspecified Adult Solid Tumor, Protocol Specific trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #115 of 28,707 conditions by registered trial count.

112 US clinical trials · 5 currently recruiting · #115 of 28,707 conditions by registered trial count

Unspecified Adult Solid Tumor, Protocol Specific: 112 US clinical trials tracked, 5 recruiting.

Unspecified Adult Solid Tumor, Protocol Specific is the subject of 112 registered US clinical trials on ClinicalTrials.gov, 5 of them currently open to new participants. 10 are in Phase 3-4 (later-stage) and 93 in Phase 1-2 (earlier-stage). The most active sponsor is National Cancer Institute (NCI), running 26 of these trials.

Enrollment posture brief

Registry condition unspecified-adult-solid-tumor-protocol-specific

OPEN 5 | RECR 4% | LATE 10 | EARLY 93 | RANK #115 | SPON 26

Nearest open-share peer: Attention Deficit Disorder With Hyperactivity (5% recruiting · 21 trials)

Healthy Volunteer43.4%Pain, Postoperative40.4%Fatigue30%Type 1 Diabetes Mellitus22.1%Unspecified Adult Solid (th…4%
Open-enrollment share among volume-matched conditions near Unspecified Adult Solid Tumor, Protocol Specific

Unspecified Adult Solid Tumor, Protocol Specific lists 5 open slots (4% of 112 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 Unspecified Adult Solid Tumor, Protocol Specific 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. Unspecified Adult Solid Tumor, Protocol Specific is recruiting below its size-band peers.

    5 of 112 indexed trials (4.5%) are open to enrollment, against a 37.1% average across 139 conditions with 100+ trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.

  2. One sponsor concentrates Unspecified Adult Solid Tumor, Protocol Specific research.

    National Cancer Institute (NCI) accounts for 26 of 112 trials (23.2%). 46 distinct sponsors appear on at least one study for this condition label.

  3. Most Unspecified Adult Solid Tumor, Protocol Specific trials plan to enrol fewer than 100 people.

    Median target enrolment is 40 among the 84 trials that report a genuine target (sentinel values excluded). 66 of those (78.6%) plan for fewer than 100 participants.

  4. Unspecified Adult Solid Tumor, Protocol Specific research is mostly interventional.

    107 interventional and 5 observational studies make up this index (95.5% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 185Phase 28Phase 310

Open and recent trials

112 total, page 3 of 3

COMPLETED Phase 1

VNP40101M in Treating Patients With Advanced or Metastatic Cancer

Vion Pharmaceuticals

NCT00049699

COMPLETED Phase 1

Anakinra in Treating Patients With Metastatic Cancer Expressing the Interleukin-1 Gene

National Cancer Institute (NCI)

NCT00072111

COMPLETED Phase 1

Erlotinib Combined With Gemcitabine in Treating Patients With Newly Diagnosed Locally Advanced or Metastatic Pancreatic Cancer or Other Solid Tumors

OSI Pharmaceuticals

NCT00033241

COMPLETED Phase 1

S-3304 in Treating Patients With Advanced Solid Tumors

Roswell Park Cancer Institute

NCT00033566

COMPLETED Phase 1

Docetaxel and Oxaliplatin in Treating Patients With Metastatic or Recurrent Solid Tumor

City of Hope Medical Center

NCT00004243

COMPLETED Phase 1

Combination Chemotherapy With Suramin Plus Doxorubicin in Treating Patients With Advanced Solid Tumors

Mayo Clinic

NCT00003038

COMPLETED Phase 1

Interferon Gamma in Treating Patients With Recurrent or Metastatic Melanoma or Other Solid Tumors

University of Rochester

NCT00004016

COMPLETED Phase 3

Dalteparin to Prevent Complications in Cancer Patients Receiving Chemotherapy Through a Catheter

Jonsson Comprehensive Cancer Center

NCT00006083

COMPLETED Phase 3

Etanercept in Treating Cancer-Related Cachexia and Anorexia in Patients With Advanced Cancer

Mayo Clinic

NCT00046904

COMPLETED Phase 1

Combination Chemotherapy in Treating Patients With Advanced Solid Tumors

Northwestern University

NCT00004913

COMPLETED Phase 1

Irinotecan in Treating Patients With Solid Tumors or Lymphoma Who Have Abnormal Liver or Kidney Function or Who Have Received Radiation Therapy to the Pelvis

National Cancer Institute (NCI)

NCT00003368

COMPLETED Phase 1

SU5416 and Paclitaxel in Treating Patients With Advanced Cancer

City of Hope Medical Center

NCT00006257

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Phase Distribution

PhaseTrial count
Phase 1 85
Phase 2 8
Phase 3 10

Named interventions

Most-linked intervention names on Unspecified Adult Solid Tumor, Protocol Specific records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

laboratory biomarker analysis Other
18 trials
pharmacological study Other
17 trials
irinotecan hydrochloride Drug
9 trials
paclitaxel Drug
9 trials
docetaxel Drug
9 trials
gemcitabine hydrochloride Drug
8 trials
cisplatin Drug
8 trials
placebo Other
7 trials

US sites by state

Facility locations filed on Unspecified Adult Solid Tumor, Protocol Specific trials. A trial with sites in several states counts in each.

California 28 trials
New York 22 trials
Minnesota 14 trials
Florida 14 trials
Illinois 13 trials
Pennsylvania 12 trials
Texas 10 trials
Maryland 10 trials

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

What to do with this Unspecified Adult Solid Tumor, Protocol Specific page

112 registered trials, 5 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • 5 Unspecified Adult Solid Tumor, Protocol Specific trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • National Cancer Institute (NCI) sponsors the most Unspecified Adult Solid Tumor, Protocol Specific trials on record, review their full trial history before evaluating a specific study. See National Cancer Institute (NCI)'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 Unspecified Adult Solid Tumor, Protocol Specific condition card totals 112 registered trials; most-linked intervention laboratory biomarker analysis; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.