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Regorafenib in Patients With Refractory Primary Bone Tumors (Regbone)

Primary Purpose

Osteosarcoma, Ewing Sarcoma of Bone

Status
Recruiting
Phase
Phase 1
Locations
Poland
Study Type
Interventional
Intervention
Regorafenib
Sponsored by
Institute of Mother and Child, Warsaw, Poland
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Osteosarcoma focused on measuring TKI, refractory bone tumors, osteosarcoma, Ewing sarcoma, targeted treatment, solid tumor

Eligibility Criteria

9 Years - 21 Years (Child, Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria:

  1. Age >9 years ≤ 21 years.
  2. Histologically proven Ewing sarcoma or osteosarcoma.
  3. Failure of the treatment identified no earlier than 30 days prior to study treatment initiation (at least one of below needs to apply in order for this requirement to be satisfied):

    1. progression on the I line or next, or
    2. relapse.
  4. Signing of informed consent for trial participation (including for Regorafenib treatment) according with current legal regulations.
  5. Life expectancy of at least 12 weeks from the time informed consent was signed.
  6. Possibility of swallowing the tablet.
  7. Consent to the use of effective contraception throughout the period of the study and a minimum of 2 year after discontinuation of study treatment in patients at puberty and sexual maturity.

Exclusion Criteria:

  1. Lack of inclusion criteria
  2. Previous treatment with Regorafenib.
  3. Pregnancy and breastfeeding.
  4. Hypersensitivity to the study drug or any of its ingredients.
  5. Simultaneous treatment with other drugs which might interact with Regorafenib.
  6. Persistent toxicity related to prior therapy, making it impossible to treat with Regorafenib.
  7. Diagnosis of other malignancies before study inclusion.
  8. Patients with uncontrolled hypertension.
  9. Patients with diseases of the coagulation system.
  10. Patients with heart defects and / or cardiac arrhythmias requiring permanent treatment with antiarrhythmic drugs.
  11. Other acute or persistent disorders, behaviors or abnormal laboratory test results, which might increase the risk related to the participation in this clinical trial or to taking the study drug, or which might influence the interpretation of the study results, or which, in the investigator's opinion, disqualify a patient from participating in the trial.

Sites / Locations

  • Mother and Child InstituteRecruiting

Arms of the Study

Arm 1

Arm 2

Arm Type

Experimental

No Intervention

Arm Label

R1 - Regorafenib Arm

R2 - Control Group

Arm Description

R1 - the experimental group. Standard oncological treatment will be started. Additionally, patients will receive regorafenib orally at doses adjusted for age, body surface area and pharmacokinetics. Treatment with regorafenib will be continued for up to 1 year or until disease progression, patient death, unacceptable toxicity, or study closure. Pharmacokinetics and safety profile of the investigational product (IP) will be determined throughout the course therapy.

R2 - the control group - will receive only standard treatment. In the event of progression or relapse, patients in the control group will have the option to receive the IP along with the standard treatment of the next line.

Outcomes

Primary Outcome Measures

EFS - (Event-Free Survival).
To explore the efficacy in terms of EFS - (Event-Free Survival)
Determining the dose of the test substance in patients between 9 and 21 years of age, at which exposure to the drug will be similar to that recommended for adults.
Safety will be assessed by the rate of participants presenting with Adverse Events stratified by grade, category, affected organ or system, as number of serious adverse events (SAEs)
Determining the dose of the test substance in patients between 9 and 21 years of age, at which exposure to the drug will be similar to that recommended for adults.
Safety will be assessed by the rate of participants presenting with Adverse Events stratified by grade, category, affected organ or system, as number of adverse events (AEs), including events of special interest
Determining the dose of the test substance in patients between 9 and 21 years of age, at which exposure to the drug will be similar to that recommended for adults.
Safety will be assessed by the rate of participants presenting with Adverse Events stratified by grade, category, affected organ or system, as incidence and severity of TEAEs (coded to preferred term and system organ class using the Medical Dictionary for Regulatory Activities (MedDRA) and graded according to the National Cancer Institute Common -Terminology Criteria for Adverse Events version 5.0 (NCI CTCAE v5.0)
Determining the dose of the test substance in patients between 9 and 21 years of age, at which exposure to the drug will be similar to that recommended for adults.
Safety will be assessed by the rate of participants presenting with Adverse Events stratified by grade, category, affected organ or system, as physical examination; vital signs
Determining the dose of the test substance in patients between 9 and 21 years of age, at which exposure to the drug will be similar to that recommended for adults.
Safety will be assessed by the rate of participants presenting with Adverse Events stratified by grade, category, affected organ or system, as laboratory abnormalities graded according to NCI CTCAE v5.0.
Determining the dose of the test substance in patients between 9 and 21 years of age, at which exposure to the drug will be similar to that recommended for adults.
Safety will be assessed by the rate of participants presenting with Adverse Events stratified by grade, category, affected organ or system, as ECGs to evaluate heart rate, atrial ventricular conduction, QTcF, and arrhythmias, and ECHO.

Secondary Outcome Measures

PFS (Progression-Free Survival).
OS (Overall Survival).
ORR (Overall Response Rate).
Time to achieving sufficient drug concentration in serum.
Maximum serum concentration in steady state Cmaxs.
Minimum serum concentration in steady state Cminss.
Random serum concentration in steady state Css.
Drug exposure Ctau.
Time to achieving steady state drug concentration in serum.

Full Information

First Posted
May 5, 2022
Last Updated
March 20, 2023
Sponsor
Institute of Mother and Child, Warsaw, Poland
Collaborators
Maria Sklodowska-Curie National Research Institute of Oncology
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1. Study Identification

Unique Protocol Identification Number
NCT05395741
Brief Title
Regorafenib in Patients With Refractory Primary Bone Tumors
Acronym
Regbone
Official Title
Evaluation of the Efficacy and Safety of Regorafenib in Patients With Refractory Primary Bone Tumors
Study Type
Interventional

2. Study Status

Record Verification Date
March 2023
Overall Recruitment Status
Recruiting
Study Start Date
April 28, 2022 (Actual)
Primary Completion Date
September 12, 2025 (Anticipated)
Study Completion Date
December 31, 2025 (Anticipated)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Principal Investigator
Name of the Sponsor
Institute of Mother and Child, Warsaw, Poland
Collaborators
Maria Sklodowska-Curie National Research Institute of Oncology

4. Oversight

Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
Yes

5. Study Description

Brief Summary
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.
Detailed Description
The scope of the project is to cover the entire population of children, adolescents and young adults from the age of 9 to the age of 21, who progressed to first-line treatment or who presented with a recurrence of Ewing's sarcoma or osteosarcoma. Despite escalating doses of chemotherapy and radiotherapy, aggressive surgical procedures in patients with dissemination disease and negative prognostic factors, no improvement in treatment outcomes has been achieved for over 30 years. For this reason, other therapeutic options are being investigated. There have been no significant responses to immunotherapy. Although, the inclusion of tyrosine kinase inhibitors (TKIs) appears to be promising. The identification of new mutations in bone tumors has led to a better insight into the molecular basis of these tumors, which has resulted in a more significant role of genetic research in everyday practice. Although traditional histopathological examinations are currently the basis for the diagnosis of bone tumors, the developing techniques of molecular biology make it possible, in many cases, to refine the diagnosis and, in the near future, will become the basis for the classification of these neoplasms. Moreover, these technics are expected to enable the qualification of patients to modern molecularly targeted therapies. Based on the above data, the objectives of the project are as follows: 1. to estimate the nature and frequency of mutations in the tumor tissue, 2. to compare molecular test results with clinical data (which will allow for the initial assessment of the impact of the mutation status on the clinical condition, course of treatment and prognosis), 3. to include targeted treatment - broad spectrum tyrosine kinase inhibitor - regorafenib in standard therapy.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Osteosarcoma, Ewing Sarcoma of Bone
Keywords
TKI, refractory bone tumors, osteosarcoma, Ewing sarcoma, targeted treatment, solid tumor

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 1, Phase 2
Interventional Study Model
Parallel Assignment
Masking
None (Open Label)
Allocation
Randomized
Enrollment
30 (Anticipated)

8. Arms, Groups, and Interventions

Arm Title
R1 - Regorafenib Arm
Arm Type
Experimental
Arm Description
R1 - the experimental group. Standard oncological treatment will be started. Additionally, patients will receive regorafenib orally at doses adjusted for age, body surface area and pharmacokinetics. Treatment with regorafenib will be continued for up to 1 year or until disease progression, patient death, unacceptable toxicity, or study closure. Pharmacokinetics and safety profile of the investigational product (IP) will be determined throughout the course therapy.
Arm Title
R2 - Control Group
Arm Type
No Intervention
Arm Description
R2 - the control group - will receive only standard treatment. In the event of progression or relapse, patients in the control group will have the option to receive the IP along with the standard treatment of the next line.
Intervention Type
Drug
Intervention Name(s)
Regorafenib
Intervention Description
Patients will receive regorafenib orally at doses adjusted for age, body surface area and pharmacokinetics. Treatment with regorafenib will be continued for up to 1 year or until disease progression, patient death, unacceptable toxicity, or study closure. Pharmacokinetics and safety profile of the investigational product (IP) will be determined throughout the course therapy. In the event of progression or relapse, patients in the control group will have the option to receive the IP along with the standard treatment of the next line.
Primary Outcome Measure Information:
Title
EFS - (Event-Free Survival).
Description
To explore the efficacy in terms of EFS - (Event-Free Survival)
Time Frame
1 year
Title
Determining the dose of the test substance in patients between 9 and 21 years of age, at which exposure to the drug will be similar to that recommended for adults.
Description
Safety will be assessed by the rate of participants presenting with Adverse Events stratified by grade, category, affected organ or system, as number of serious adverse events (SAEs)
Time Frame
1 year
Title
Determining the dose of the test substance in patients between 9 and 21 years of age, at which exposure to the drug will be similar to that recommended for adults.
Description
Safety will be assessed by the rate of participants presenting with Adverse Events stratified by grade, category, affected organ or system, as number of adverse events (AEs), including events of special interest
Time Frame
from date of randomization, until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 48 months.
Title
Determining the dose of the test substance in patients between 9 and 21 years of age, at which exposure to the drug will be similar to that recommended for adults.
Description
Safety will be assessed by the rate of participants presenting with Adverse Events stratified by grade, category, affected organ or system, as incidence and severity of TEAEs (coded to preferred term and system organ class using the Medical Dictionary for Regulatory Activities (MedDRA) and graded according to the National Cancer Institute Common -Terminology Criteria for Adverse Events version 5.0 (NCI CTCAE v5.0)
Time Frame
from date of randomization, until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 48 months.
Title
Determining the dose of the test substance in patients between 9 and 21 years of age, at which exposure to the drug will be similar to that recommended for adults.
Description
Safety will be assessed by the rate of participants presenting with Adverse Events stratified by grade, category, affected organ or system, as physical examination; vital signs
Time Frame
from date of randomization, until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 48 months.
Title
Determining the dose of the test substance in patients between 9 and 21 years of age, at which exposure to the drug will be similar to that recommended for adults.
Description
Safety will be assessed by the rate of participants presenting with Adverse Events stratified by grade, category, affected organ or system, as laboratory abnormalities graded according to NCI CTCAE v5.0.
Time Frame
from date of randomization, until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 48 months.
Title
Determining the dose of the test substance in patients between 9 and 21 years of age, at which exposure to the drug will be similar to that recommended for adults.
Description
Safety will be assessed by the rate of participants presenting with Adverse Events stratified by grade, category, affected organ or system, as ECGs to evaluate heart rate, atrial ventricular conduction, QTcF, and arrhythmias, and ECHO.
Time Frame
from date of randomization, until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 48 months.
Secondary Outcome Measure Information:
Title
PFS (Progression-Free Survival).
Time Frame
Safety analyzes are planned in accordance with the schedule of intermediate analyzes, at least every 12 months.
Title
OS (Overall Survival).
Time Frame
Safety analyzes are planned in accordance with the schedule of intermediate analyzes, at least every 12 months.
Title
ORR (Overall Response Rate).
Time Frame
Safety analyzes are planned in accordance with the schedule of intermediate analyzes, at least every 12 months.
Title
Time to achieving sufficient drug concentration in serum.
Time Frame
Safety analyzes are planned in accordance with the schedule of intermediate analyzes, at least every 12 months.
Title
Maximum serum concentration in steady state Cmaxs.
Time Frame
Safety analyzes are planned in accordance with the schedule of intermediate analyzes, at least every 12 months.
Title
Minimum serum concentration in steady state Cminss.
Time Frame
Safety analyzes are planned in accordance with the schedule of intermediate analyzes, at least every 12 months.
Title
Random serum concentration in steady state Css.
Time Frame
Safety analyzes are planned in accordance with the schedule of intermediate analyzes, at least every 12 months.
Title
Drug exposure Ctau.
Time Frame
Safety analyzes are planned in accordance with the schedule of intermediate analyzes, at least every 12 months.
Title
Time to achieving steady state drug concentration in serum.
Time Frame
Safety analyzes are planned in accordance with the schedule of intermediate analyzes, at least every 12 months.

10. Eligibility

Sex
All
Minimum Age & Unit of Time
9 Years
Maximum Age & Unit of Time
21 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: Age >9 years ≤ 21 years. Histologically proven Ewing sarcoma or osteosarcoma. Failure of the treatment identified no earlier than 30 days prior to study treatment initiation (at least one of below needs to apply in order for this requirement to be satisfied): progression on the I line or next, or relapse. Signing of informed consent for trial participation (including for Regorafenib treatment) according with current legal regulations. Life expectancy of at least 12 weeks from the time informed consent was signed. Possibility of swallowing the tablet. Consent to the use of effective contraception throughout the period of the study and a minimum of 2 year after discontinuation of study treatment in patients at puberty and sexual maturity. Exclusion Criteria: Lack of inclusion criteria Previous treatment with Regorafenib. Pregnancy and breastfeeding. Hypersensitivity to the study drug or any of its ingredients. Simultaneous treatment with other drugs which might interact with Regorafenib. Persistent toxicity related to prior therapy, making it impossible to treat with Regorafenib. Diagnosis of other malignancies before study inclusion. Patients with uncontrolled hypertension. Patients with diseases of the coagulation system. Patients with heart defects and / or cardiac arrhythmias requiring permanent treatment with antiarrhythmic drugs. Other acute or persistent disorders, behaviors or abnormal laboratory test results, which might increase the risk related to the participation in this clinical trial or to taking the study drug, or which might influence the interpretation of the study results, or which, in the investigator's opinion, disqualify a patient from participating in the trial.
Facility Information:
Facility Name
Mother and Child Institute
City
Warsaw
State/Province
Mazovian
ZIP/Postal Code
01-211
Country
Poland
Individual Site Status
Recruiting
Facility Contact:
First Name & Middle Initial & Last Name & Degree
Katarzyna Maleszewska
Phone
+48 22 32 77 205
Email
klinika.onkologii@imid.med.pl
First Name & Middle Initial & Last Name & Degree
Anna Raciborska

12. IPD Sharing Statement

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Regorafenib in Patients With Refractory Primary Bone Tumors

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