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Clinical Research Directory

Browse clinical research sites, groups, and studies.

84 clinical studies listed.

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Osteosarcoma

Tundra lists 84 Osteosarcoma clinical trials. Each listing includes eligibility criteria, study locations, and direct links to research sites in the Tundra directory.

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ACTIVE NOT RECRUITING

NCT06935409

Study of HS-20093 Versus Gemcitabine in Combination With Docetaxel in Treatment of Osteosarcoma After Previous Second-line Treatment Failure

This is a randomized, controlled, open, multicenter phase III clinical study to evaluate the efficacy and safety of HS-20093 for injection versus gemcitabine in combination with docetaxel in patients with osteosarcoma who have at least second-line treatment failure.

Gender: All

Ages: 12 Years - Any

Updated: 2026-04-09

Osteosarcoma
RECRUITING

NCT06541262

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

The purpose of this study is to evaluate the investigational drug, silmitasertib (a pill taken by mouth), in combination with FDA approved drugs for solid tumors. An investigational drug is one that has not been approved by the U.S. Food \& Drug Administration (FDA), or any other regulatory authorities around the world for use alone or in combination with any drug, for the condition or illness it is being used to treat. The goals of this part of the study are: * Establish a recommended dose of silmitasertib in combination with chemotherapy * Test the safety and tolerability of silmitasertib in combination with chemotherapy in subjects with cancer * To determine the activity of study treatments chosen based on: * How each subject responds to the study treatment * How long a subject lives without their disease returning/progressing

Gender: All

Ages: Any - 30 Years

Updated: 2026-04-09

15 states

Neuroblastoma
Ewing Sarcoma
Osteosarcoma
+2
ACTIVE NOT RECRUITING

NCT02867592

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

This phase II trial studies how well cabozantinib-s-malate works in treating younger patients with sarcomas, Wilms tumor, or other rare tumors that have come back, do not respond to therapy, or are newly diagnosed. Cabozantinib-s-malate may stop the growth of tumor cells by blocking some of the enzymes needed for tumor growth and tumor blood vessel growth.

Gender: All

Ages: 2 Years - 30 Years

Updated: 2026-04-09

41 states

Adrenal Cortical Carcinoma
Alveolar Soft Part Sarcoma
Central Nervous System Neoplasm
+41
NOT YET RECRUITING

NCT07516353

my.naviGATE: A Guide to After-Treatment Effects for Adolescents and Young Adults

This study aims to design and test a novel, personalized digital intervention-my.naviGATE-for adolescent and young adults (AYA) with cancer. my.naviGATE is a mobile app that provides personalized survivorship education, access to virtual peer navigation, and responsive participant-reported outcomes (PROs).

Gender: All

Ages: 15 Years - 24 Years

Updated: 2026-04-08

1 state

Sarcoma
Osteosarcoma
Ewing Sarcoma
+6
NOT YET RECRUITING

NCT07514819

Integration of Adaptive Proton Therapy in Pediatric Solid Tumors and Hodgkin's Lymphoma

Pediatric patients receiving proton therapy for solid tumors or Hodgkin's lymphoma may experience anatomical changes during treatment that can affect proton therapy accuracy. This prospective single-arm study uses regular low-dose imaging to monitor these changes and adjust treatment plans as needed. Participants will receive weekly or every-other-week CT scans, with MRI when appropriate, to assess whether the original plan remains accurate. Treatment plans will be updated if tumor coverage decreases by more than 5% or if radiation dose to normal tissues increases by more than 10%; otherwise, the original plan will continue. The study aims to determine how often plan adjustments are needed and to identify which disease sites are most likely to experience significant anatomical changes during treatment. Primary Objective: * Define the frequency of replanning necessary to ensure tumor coverage never falls below 95% (or 5% drop) of the prescribed daily dose in participants with intact (gross) tumors to keep the tumor control optimal throughout the multi-week treatment regimen. * Define the frequency of replanning necessary to ensure organs-at-risk (critical organs) do not deviate by more than 10% of the initially approved dose constraints to keep the normal tissue complication minimal throughout the multi-week treatment regimen. Secondary Objectives * Establish a cone beam CT (CBCT)-based framework for quantifying body surface changes throughout the treatment course. This goal will be achieved by developing a novel algorithm that detects and tracks external anatomical variations longitudinally, without requiring CBCT image enhancement, enabling precise assessment of daily participant setup consistency and anatomical stability. * Overcome daily CBCT quality limitations by generating synthetic CT images that accurately represent daily anatomy and support proton dose recalculation or verification planning. This goal will be achieved by developing a hybrid pipeline that integrates deep learning models with the deformable image registration algorithm, trained and validated on disease site-specific data. This will enable precise dose mapping and tissue density estimation, directly supporting adaptive planning decisions without the need of diagnostic- quality CT images.

Gender: All

Updated: 2026-04-07

1 state

Pediatric Solid Tumors
Rhabdomyosarcoma
Ewing Sarcoma
+4
RECRUITING

NCT03721068

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

The body has different ways of fighting infections and disease. No single way seems perfect for fighting cancer. This research study combines two different ways of fighting disease: antibodies and T cells. Antibodies are molecules that fight infections and protect your body from diseases caused by bacteria and toxic substances. Antibodies work by sticking to those bacteria or substances, which stops them from growing and causing bad effects. T cells are special infection-fighting blood cells that can kill other cells, including tumor cells or cells that are infected. Both antibodies and T cells have been used to treat patients with cancers. They both have shown promise, but neither alone has been enough to cure most patients. This multicenter study is designed to combine both T cells and antibodies in order to create a more effective treatment. The treatment that is being researched is called autologous T lymphocyte chimeric antigen receptor cells (CAR) cells targeted against the disialoganglioside (GD2) antigen that express Interleukin (IL)-15, and the inducible caspase 9 safety switch (iC9), also known as iC9.GD2.CAR.IL-15 T cells.

Gender: All

Ages: 18 Months - Any

Updated: 2026-03-27

2 states

Neuroblastoma
Osteosarcoma
ACTIVE NOT RECRUITING

NCT05395741

Regorafenib in Patients With Refractory Primary Bone Tumors

The aim of the project is to improve treatment outcomes in patients with primary malignant bone tumors, refractory to standard therapy, by increasing the availability of advanced therapy, as well as to develop treatment options using advanced molecular diagnostics for patients who have not responded to the standard therapeutic regimen, and to introduce modern diagnostics for risk stratification and for the use in molecularly targeted therapies.

Gender: All

Ages: 9 Years - 21 Years

Updated: 2026-03-25

Osteosarcoma
Ewing Sarcoma of Bone
ACTIVE NOT RECRUITING

NCT03478462

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

The study evaluates CLR 131 in children, adolescents, and young adults with relapsed or refractory malignant solid tumors and lymphoma and recurrent or refractory malignant brain tumors for which there are no standard treatment options with curative potential.

Gender: All

Ages: 2 Years - 25 Years

Updated: 2026-03-18

8 states

Pediatric Solid Tumor
Pediatric Lymphoma
Pediatric Brain Tumor
+5
RECRUITING

NCT07479732

Apatinib Combined With Liposomal Irinotecan for Refractory or Metastatic Osteosarcoma

In advanced osteosarcoma where traditional chemotherapy has failed, the multi-targeted tyrosine kinase inhibitor apatinib has become a mainstream systemic treatment option in China. However, for patients with a high tumor burden or extra-pulmonary lesions, these drugs are prone to secondary resistance, necessitating combination with chemotherapy for more effective comprehensive control. Liposomal irinotecan, a newly approved topoisomerase inhibitor, exhibits lower toxicity compared to traditional irinotecan and is one of the second-line chemotherapy agents for osteosarcoma, making it a suitable candidate for combination therapy with apatinib. The primary objective of this study is to determine the optimal regimen of apatinib combined with liposomal irinotecan injection, while the secondary objective is to evaluate the safety and efficacy of this combination in patients with refractory osteosarcoma who have progressed after second-line chemotherapy.

Gender: All

Ages: 12 Years - 65 Years

Updated: 2026-03-18

Osteosarcoma
Osteosarcoma Metastatic
RECRUITING

NCT07477457

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

The researchers are doing this study to find out whether adding gefitinib, trametinib, disulfiram, and sunitinib to standard chemotherapy is a more effective treatment approach for people with osteosarcoma than standard chemotherapy on its own. The researchers will also look at the safety of adding these drugs to standard chemotherapy. The researchers will also use the additional research biopsies from Cohort 1 participants to learn more about how osteosarcoma survives during chemotherapy.

Gender: All

Ages: 6 Years - 49 Years

Updated: 2026-03-17

2 states

Osteosarcoma
Metastasis
RECRUITING

NCT06384404

Upfront Surgical Resection for Osteosarcoma

The goal of this pilot study is to learn about patients with newly diagnosed osteosarcoma of an extremity, and whether surgically removing the tumor prior to the administration of any chemotherapy will improve functional outcomes. In order to learn about the patient's experience, the study team will administer questionnaires to the patient and surgeon at various timepoints to assess recovery and the function of the extremity.

Gender: All

Ages: 5 Years - 40 Years

Updated: 2026-03-16

1 state

Osteosarcoma
RECRUITING

NCT06625190

Alpha/Beta T and B Cell Depletion With Zoledronic Acid for Solid Tumors

Hematopoietic stem cell transplantation can cure patients with blood cancer and other underlying diseases. αβ-T cell and B cell depletion has been introduced to decrease GVHD and PTLD and has demonstrated effectiveness for hematologic malignancies and non-malignant diseases additionally increasing the donor pool as to allow for haploidentical transplant to safely occur. While solid tumors can be highly chemotherapy sensitive, many remain resistant and require multimodalities of treatment. Immunotherapy has been developed to harness the immune system in fighting solid tumors, though not all have targeted effects. Some solid tumors are treated with autologous transplants; however, they do not always demonstrate an improved event free survival or overall survival. There has been evidence of the use of allogeneic stem cell transplants to provide a graft versus tumor effect, though studies remain limited. By utilizing αβ-T cell and B cell depletion for stem cell transplants and combining with zoledronic acid, the immune system may potentially be harnessed and enhanced to provide an improved graft versus tumor effect in relapsed/refractory solid tumors and promote an improved event-free survival and overall survival. This study will investigate the safety of treatment with a stem cell graft depleted of αβ-T cell and CD19+ B cells in combination with zoledronic acid in pediatric and young adult patients with select solid tumors, as well as whether this treatment improves survival rates in these patients.

Gender: All

Ages: 6 Months - 25 Years

Updated: 2026-03-11

1 state

Neuroblastoma
Rhabdomyosarcoma
Synovial Sarcoma
+10
RECRUITING

NCT03442465

Assessment of Healing and Function After Reconstruction Surgery for Bone Sarcomas

The purpose of this study is to look at the amount of function that returns in participants that have reconstruction with bone graft or artificial device and in participants who have tumor surgery plus regenerative osseous surgery. The study will look at the level of function for a period of 3 years after the surgery. Another purpose of this study is to look at how well the bone heals in participants undergoing regenerative surgery

Gender: All

Ages: 4 Years - Any

Updated: 2026-03-04

2 states

Bone Sarcoma
Osteosarcoma
Chondrosarcoma
+3
RECRUITING

NCT06492954

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

This study aims to determine the safety and tolerability of combined Atezolizumab, stereotactic body radiation therapy (SBRT), and surgical resection of pulmonary metastases in patients with pulmonary recurrence of osteosarcoma

Gender: All

Ages: Any - 50 Years

Updated: 2026-03-02

1 state

Osteosarcoma
Pulmonary Recurrence of Osteosarcoma
RECRUITING

NCT06465199

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

The purpose of this study is to evaluate the investigational oral drug AMXT 1501 in combination with oral eflornithine (DFMO). An investigational drug is one that has not been approved by the U.S. Food \& Drug Administration (FDA), or any other regulatory authorities around the world for use alone or in combination with any drug, for the condition or illness it is being used to treat. The goals of this part of the study are: * Establish a recommended dose of AMXT 1501 in combination with DFMO * Test the safety and tolerability of AMXT 1501 in combination with DFMO * To determine the activity of study treatments chosen based on: * How each subject responds to the study treatment * How long a subject lives without their disease returning/progressing

Gender: All

Ages: Any - 21 Years

Updated: 2026-03-02

6 states

Atypical Teratoid/Rhabdoid Tumor
Embryonal Tumor With Multilayered Rosettes
Ewing Sarcoma
+3
RECRUITING

NCT05235165

Thoracotomy Versus Thoracoscopic Management of Pulmonary Metastases in Patients With Osteosarcoma

This phase III trial compares the effect of open thoracic surgery (thoracotomy) to thoracoscopic surgery (video-assisted thoracoscopic surgery or VATS) in treating patients with osteosarcoma that has spread to the lung (pulmonary metastases). Open thoracic surgery is a type of surgery done through a single larger incision (like a large cut) that goes between the ribs, opens up the chest, and removes the cancer. Thoracoscopy is a type of chest surgery where the doctor makes several small incisions and uses a small camera to help with removing the cancer. This trial is being done evaluate the two different surgery methods for patients with osteosarcoma that has spread to the lung to find out which is better.

Gender: All

Ages: Any - 50 Years

Updated: 2026-02-27

55 states

Metastatic Malignant Neoplasm in the Lung
Metastatic Osteosarcoma
Osteosarcoma
ACTIVE NOT RECRUITING

NCT04417062

Olaparib With Ceralasertib in Recurrent Osteosarcoma

This study is being done in order to evaluate the effectiveness of using two drugs (olaparib and ceralasertib) to treat patients with osteosarcoma that has not responded to treatment or has come back after treatment The names of the study drugs involved in this study are: * Olaparib * Ceralasertib

Gender: All

Ages: 12 Years - 40 Years

Updated: 2026-02-25

4 states

Osteosarcoma
Osteosarcoma Recurrent
RECRUITING

NCT06709495

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

This research is being done to test a new drug called PEEL-224 in combination with two commercially available drugs, Vincristine and Temozolomide, and to determine how effective this combination of drugs is at treating Ewing Sarcoma (EWS) and Desmoplastic Small Round Cell Tumor (DSRCT), as well as multiple other kinds of sarcomas. The names of the study drugs and biological agents involved in this study are: * PEEL-224 (a type of Topoisomerase 1 inhibitor) * Vincristine (A type of vinca alkaloid) * Temozolomide (A type of alkylating agent) * Pegfilgrastim or Filgrastim (types of Myeloid growth factors)

Gender: All

Ages: 12 Years - 49 Years

Updated: 2026-02-19

1 state

Sarcoma
Sarcoma, Ewing
Desmoplastic Small Round Cell Tumor
+3
RECRUITING

NCT07129226

Musculoskeletal Cancers Remote Monitoring and Care

This study aims to evaluate how walking stability and the ability to perform daily activities change during cancer treatment, and whether a smartwatch can detect these changes. The goal is to develop proactive, personalized tools that automatically monitor treatment response and predict potential complications. To support future implementation, the study will assess the feasibility of wearing a smartwatch for at least 12 hours per day, using a mobile application, and completing weekly questionnaires among patients with primary osteosarcoma or metastatic bone disease.

Gender: All

Ages: 18 Years - Any

Updated: 2026-02-18

1 state

Osteosarcoma
Metastatic Bone Disease
RECRUITING

NCT04055220

Efficacy and Safety of Regorafenib as Maintenance Therapy After First-line Treatment in Patients With Bone Sarcomas

Randomized, non-comparative, multicentre exploratory phase II study. Two arms concerning patients with bone sarcoma after the first line therapy: in the first arm, patients will be treated with Regorafenib for a maximum of 12 months as maintenance therapy after first line therapy, whereas in the second arm, patients will be kept under surveillance (standard of care). Regardless of their study arm, all the patients will be followed up until end of the study. The comparison between these two arms will allow to determine whether or not regorafenib is efficient for disease control, in terms of Relapse-Free Survival improvement.

Gender: All

Ages: 12 Years - Any

Updated: 2026-02-17

Bone Sarcoma
Osteosarcoma
Ewing Sarcoma
+4
RECRUITING

NCT04698785

Efficacy of Regorafenib Combined With Best Supportive Care as Maintenance Treatment in High Grade Bone Sarcomas Patients

This is a multicenter phase II study concerning patients with high-grade bone sarcoma (HGBS) without complete remission after standard treatment at diagnosis or at relapse. Patients will be treated with regorafenib + best supportive care (BSC) for a maximum of 12 months as maintenance therapy after standard line therapy completion. Progression free rate (PFR) data will be collected and analysed for all included patients to evaluate if regorafenib + BSC can be considered as an interesting treatment for further investigations in this indication.

Gender: All

Ages: 12 Years - Any

Updated: 2026-02-17

Bone Sarcoma
Osteosarcoma
RECRUITING

NCT05642455

SPEARHEAD-3 Pediatric Study

This is a pediatric basket study to investigate the safety and efficacy of afamitresgene autoleucel in HLA-A\*02 eligible and MAGE-A4 positive subjects aged 2-17 years of age with advanced cancers.

Gender: All

Ages: 2 Years - 21 Years

Updated: 2026-02-09

10 states

Synovial Sarcoma
Malignant Peripheral Nerve Sheath Tumor (MPNST)
Neuroblastoma (NBL)
+1
RECRUITING

NCT03458520

Pediatric PET/MR Image Registry

The purpose of this study is to compare whole body magnetic resonance (MR) imaging, whole body positron emission tomography (PET)/MR imaging, and (if available) PET/Computed Tomography (CT) imaging for the diagnosis of tumors in children and young adults. Sensitivities, specificities and diagnostic accuracies of the different imaging modalities will be compared for significant differences.

Gender: All

Ages: Any - 40 Years

Updated: 2026-02-09

1 state

Soft Tissue
Lymphoma
Osteosarcoma
RECRUITING

NCT06387485

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

This prospective, multi-center, randomized controlled study aims to assess the efficacy of utilizing 3D printed models in preoperative planning for the excision of tumors involving bony structures within the body. The study is expected to last approximately 12 months and involve up to 150 subjects across up to 5 sites. Subjects will be randomized in a 1:1 ratio into either the experimental arm, utilizing 3D printed models and imaging, or the active comparator arm, using only imaging. Primary endpoint: Operative time of surgical procedure. Secondary endpoints: Reduction of blood loss, proportion of postoperative adverse events, and negative tumor margins. Exploratory endpoints: Surgical planning ease, changes in surgical plan, and surgeon satisfaction.

Gender: All

Ages: 13 Years - Any

Updated: 2026-02-06

3 states

Sarcoma, Ewing
Chondrosarcoma
Osteosarcoma
+2