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ClinicalTrials.gov 27 recruiting now official registry

Osteosarcoma clinical trials

Every US clinical trial registered for Osteosarcoma — phase mix, recruiting status, and the sponsors running them, straight from the NIH ClinicalTrials.gov registry.

47 US clinical trials · 27 currently recruiting

The research picture

Osteosarcoma has 47 registered US clinical trials, 27 of them open to new participants right now — about 57% of the total.

27
recruiting participants now
57%
of trials open to enrollment
1
in Phase 3–4 (later-stage)
4
top sponsor: Children's Oncology Group

Counts reflect the public ClinicalTrials.gov registry as last mirrored by PlainTrial. Status and phase are reported by each study's sponsor. This is reference information, not medical advice.

Active & Recent Trials

RECRUITING 10,000 participants

Clinical Orthopaedic Data Bank (Acute and Chronic)

University of Florida

NCT00411060

RECRUITING 420 participants

Effects of Dexrazoxane Hydrochloride on Biomarkers Associated With Cardiomyopathy and Heart Failure After Cancer Treatment

Children's Oncology Group

NCT01790152

RECRUITING 300 participants

Assessment of Healing and Function After Reconstruction Surgery for Bone Sarcomas

Memorial Sloan Kettering Cancer Center

NCT03442465

RECRUITING Phase 1 289 participants

Eflornithine (DFMO) and AMXT 1501 for Neuroblastoma, CNS Tumors, and Sarcomas

Milton S. Hershey Medical Center

NCT06465199

RECRUITING NA 150 participants

A Study to Evaluate the Utilization of 3D Printed Models in Pre-Operative Planning

Ricoh USA

NCT06387485

RECRUITING Phase 1 104 participants

Silmitasertib (CX-4945) in Combination With Chemotherapy for Relapsed Refractory Solid Tumors

Milton S. Hershey Medical Center

NCT06541262

RECRUITING 100 participants

Pediatric PET/MR Image Registry

Stanford University

NCT03458520

RECRUITING Phase 1 92 participants

AOH1996 for the Treatment of Refractory Solid Tumors

City of Hope Medical Center

NCT05227326

RECRUITING Phase 1 63 participants

Phase 1/2 Trial to Evaluate the Safety and Efficacy of PEEL-224 in Combination With Vincristine and Temozolomide in Adolescents and Young Adults With Relapsed or Refractory Sarcomas

David S Shulman, MD

NCT06709495

RECRUITING Phase 3 62 participants

Thoracotomy Versus Thoracoscopic Management of Pulmonary Metastases in Patients With Osteosarcoma

Children's Oncology Group

NCT05235165

RECRUITING Phase 1 60 participants

Study of CRX100 as Monotherapy and in Combination With Pembrolizumab in Patients With Advanced Solid Malignancies

BioEclipse Therapeutics

NCT04282044

RECRUITING NA 60 participants

Musculoskeletal Cancers Remote Monitoring and Care

Case Comprehensive Cancer Center

NCT07129226

RECRUITING Phase 1 48 participants

Study to Assess Safety and Efficacy of Vactosertib in Adolescents and Adults With Recurrent, Refractory or Progressive Osteosarcoma

MedPacto

NCT05588648

RECRUITING Phase 2 45 participants

A Study of Gefitinib, Trametinib, Disulfiram, and Sunitinib in Addition to Standard Chemotherapy in People With Osteosarcoma

Memorial Sloan Kettering Cancer Center

NCT07477457

RECRUITING Phase 2 44 participants

Abemaciclib for Bone and Soft Tissue Sarcoma With Cyclin-Dependent Kinase (CDK) Pathway Alteration

Medical College of Wisconsin

NCT04040205

RECRUITING Phase 1 41 participants

Losartan + Sunitinib in Treatment of Osteosarcoma

University of Colorado, Denver

NCT03900793

RECRUITING Phase 1 41 participants

Autologous B7-H3 Chimeric Antigen Receptor T Cells in Relapsed/Refractory Solid Tumors

Crystal Mackall, MD

NCT06500819

RECRUITING 40 participants

An Organoid-based Functional Precision Medicine Trial in Osteosarcoma

Jonsson Comprehensive Cancer Center

NCT06064682

RECRUITING Phase 1 32 participants

B7-H3-Specific Chimeric Antigen Receptor Autologous T-Cell Therapy for Pediatric Patients With Solid Tumors (3CAR)

St. Jude Children's Research Hospital

NCT04897321

RECRUITING Phase 1 30 participants

Cabozantinib With Ifosfamide in Relapsed/Refractory Sarcomas

Children's Hospital of Philadelphia

NCT06156410

RECRUITING Phase 1 25 participants

HER2 Chimeric Antigen Receptor (CAR) T Cells in Combination With Checkpoint Blockade in Patients With Advanced Sarcoma

Baylor College of Medicine

NCT04995003

RECRUITING Phase 1 22 participants

Alpha/Beta CD19+ Depleted Haploidentical Transplantation + Zometa for Pediatric Hematologic Malignancies and Solid Tumors

University of Wisconsin, Madison

NCT02508038

RECRUITING Phase 1 20 participants

SPEARHEAD-3 Pediatric Study

USWM CT

NCT05642455

RECRUITING Phase 1 18 participants

Study of CAR T-Cells Targeting the GD2 With IL-15+iCaspase9 for Relapsed/Refractory Neuroblastoma or Relapsed/Refractory Osteosarcoma

UNC Lineberger Comprehensive Cancer Center

NCT03721068

RECRUITING Phase 1 12 participants

Atezolizumab in Combination With Stereotactic Body Radiation Therapy (SBRT) and Surgery for Relapsed Osteosarcoma

Emory University

NCT06492954

RECRUITING 10 participants

Upfront Surgical Resection for Osteosarcoma

Montefiore Medical Center

NCT06384404

RECRUITING Phase 1 10 participants

Safety and Feasibility of Intraoperative Visualization With Cytalux in Children

Ann & Robert H Lurie Children's Hospital of Chicago

NCT06235125

ACTIVE NOT RECRUITING NA 763 participants

Chemotherapy Resistance in Osteogenic Sarcoma and Other Solid Tumors

Memorial Sloan Kettering Cancer Center

NCT00580385

ACTIVE NOT RECRUITING Phase 2 109 participants

Cabozantinib-S-Malate in Treating Younger Patients With Recurrent, Refractory, or Newly Diagnosed Sarcomas, Wilms Tumor, or Other Rare Tumors

National Cancer Institute (NCI)

NCT02867592

ACTIVE NOT RECRUITING Phase 1 83 participants

A Study of Cobolimab Plus Dostarlimab in Pediatric and Young Adult Participants With Cancer

GlaxoSmithKline

NCT06521567

ACTIVE NOT RECRUITING Phase 1 68 participants

B7H3 CAR T Cell Immunotherapy for Recurrent/Refractory Solid Tumors in Children and Young Adults

Seattle Children's Hospital

NCT04483778

ACTIVE NOT RECRUITING Phase 2 63 participants

Olaparib With Ceralasertib in Recurrent Osteosarcoma

Dana-Farber Cancer Institute

NCT04417062

ACTIVE NOT RECRUITING Phase 2 48 participants

SARC038: Phase 2 Study of Regorafenib and Nivolumab in Osteosarcoma

Sarcoma Alliance for Research through Collaboration

NCT04803877

ACTIVE NOT RECRUITING Phase 1 44 participants

EGFR806 CAR T Cell Immunotherapy for Recurrent/Refractory Solid Tumors in Children and Young Adults

Seattle Children's Hospital

NCT03618381

ACTIVE NOT RECRUITING Phase 1 30 participants

Dose Escalation Study of CLR 131 in Pediatric Relapsed/Refractory Malignant Tumors Including Neuroblastoma and Sarcomas

Cellectar Biosciences

NCT03478462

ACTIVE NOT RECRUITING Phase 1 26 participants

iC9-GD2-CAR-VZV-CTLs/Refractory or Metastatic GD2-positive Sarcoma and Neuroblastoma

Baylor College of Medicine

NCT01953900

ACTIVE NOT RECRUITING Phase 1 21 participants

Nivolumab or Nivolumab and Azacitidine in Patients With Recurrent, Resectable Osteosarcoma

H. Lee Moffitt Cancer Center and Research Institute

NCT03628209

ACTIVE NOT RECRUITING Phase 1 21 participants

A Phase I Feasibility And Safety Study of Fluorescein-Specific (FITC-E2) CAR T Cells In Combination With Parenterally Administered Folate-Fluorescein (UB-TT170) For Osteogenic Sarcoma

Seattle Children's Hospital

NCT05312411

ACTIVE NOT RECRUITING Early Phase 1 12 participants

Glucarpidase After High-Dose Methotrexate in Patients With Osteosarcoma

OHSU Knight Cancer Institute

NCT03960177

ACTIVE NOT RECRUITING Phase 2 10 participants

Effects of Maintenance Cabozantinib+BSC Versus BSC in Children and AYA With Osteosarcoma

Ipsen

NCT06341712

COMPLETED 224 participants

Biospecimen Analysis in Determining Effects of Chemotherapy on Fertility in Osteosarcoma Survivors

Children's Oncology Group

NCT03206450

COMPLETED Phase 1 120 participants

A Pilot Study for the Treatment of Patients With Metastatic and High Risk Sarcomas and Primitive Neuroectodermal Tumors

National Cancer Institute (NCI)

NCT00001209

COMPLETED Phase 1 40 participants

Recombinant Human Thrombopoietin in Children Receiving Ifosfamide, Carboplatin, and Etoposide Chemotherapy

St. Jude Children's Research Hospital

NCT00187109

COMPLETED Phase 1 18 participants

Aflac ST0901 CHOANOME - Sirolimus in Solid Tumors

Emory University

NCT01331135

COMPLETED Phase 1 18 participants

HSV1716 in Patients With Non-Central Nervous System (Non-CNS) Solid Tumors

Timothy Cripe

NCT00931931

COMPLETED Phase 1 15 participants

A Phase I Trial of T Cells Expressing an Anti-GD2 Chimeric Antigen Receptor in Children and Young Adults With GD2+ Solid Tumors

National Cancer Institute (NCI)

NCT02107963

COMPLETED 10 participants

Genetic Biomarkers in Tissue Samples From Patients With Osteosarcoma

Children's Oncology Group

NCT01807143

Phase Distribution

PhaseTrial count
Phase 1 29
Phase 2 6
Phase 3 1

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

Reading the Osteosarcoma Trial Landscape

ClinicalTrials.gov lists 47 US studies indexed under Osteosarcoma, and 27 of those are currently open to recruitment — roughly 57% of the total volume on the registry. That ratio is a useful proxy for activity level: a high share of recruiting studies often signals that research interest is current and that new enrollment opportunities are appearing, while a low share typically means the field is dominated by completed or follow-up work where most participant spots have already been filled. These counts reflect the public registry only and include studies at every stage of design, so they should be read as an index of research attention rather than as a measure of treatment availability.

The phase distribution for Osteosarcoma shows 1 late-stage studies (Phase 3 and Phase 4 combined) alongside 35 earlier-phase entries (Phase 1 through Phase 2). Phase 1 and Phase 2 studies focus on early safety signals, dosing, and preliminary effect, while Phase 3 studies are typically the larger efficacy and safety trials submitted toward regulatory review, and Phase 4 studies follow approved interventions in real-world use. A condition weighted toward later phases often reflects a mature research pipeline with several interventions already close to or past approval, whereas a heavier early-phase tilt suggests the field is still exploring new mechanisms and candidate approaches.

Top sponsor activity for Osteosarcoma is led by Children's Oncology Group with 4 indexed trials, alongside 9 other organizations in the top contributor list. The list on this page surfaces up to 47 of the most relevant recent and active entries, ordered with recruiting studies first so practical options are visible. All figures are derived from the public ClinicalTrials.gov dataset maintained by the National Library of Medicine and are reproduced here for reference. Inclusion of a trial, sponsor, or intervention on this page is neither an endorsement nor a recommendation — eligibility, protocol changes, and site-level status can shift frequently, so always verify current details on ClinicalTrials.gov and consult a qualified healthcare provider before acting on anything you see here.

Frequently Asked Questions

How many clinical trials are there for Osteosarcoma?

PlainTrial tracks 47 US clinical trials for Osteosarcoma, of which 27 are currently recruiting participants. Data sourced from ClinicalTrials.gov.

How do I find a recruiting trial for Osteosarcoma?

Use the trial list above filtered by "Recruiting" status, or visit our trial finder at /recruiting to search by condition and state. Always discuss trial participation with your healthcare provider before enrolling.

Is this data current?

Data is sourced from ClinicalTrials.gov and reflects our most recent data pull. Trial status may have changed since then. Always verify current information at ClinicalTrials.gov before making decisions about participation.

Related

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from ClinicalTrials.gov (National Library of Medicine). Consult a qualified professional before making decisions based on this data.

Source: ClinicalTrials.gov (NIH/NLM) ClinicalTrials.gov AACT registry · 2026 Trial counts and statuses sourced from ClinicalTrials.gov. Sponsor counts include both industry and federal/academic sponsors.

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