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NCT Number: NCT02517918

Metronomic Chemotherapy in Patients With Advanced Solid Tumor With Bone Metastasis and Advanced Pretreated Osteosarcoma

This is a prospective open-labeled phase I trial based on a dose escalating study design assessing two dose levels of sirolimus when prescribed in combination with metronomic cyclophosphamide (CP), methotrexate (MT) and zoledronic acid (ZA) followed by an expansion cohort once the Maximum Tolerated Dose (MTD) is established.

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Key information

Conditions

Solid Tumor Neoplasms Neoplasms by Histologic Type Neoplasms, Bone Tissue Neoplasms, Connective Tissue Neoplasms, Connective and Soft Tissue Osteosarcoma Sarcoma

Age range

13 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1

Primary location

Institut Bergonié, Bordeaux, France

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About this study

The dose escalation part of the trial will be concerned on adults with advanced solid tumor with bone metastasis and young and adult patients with unresectable locally advanced or metastatic osteosarcoma.

The Expansion cohort will be conducted on young and adult patients with unresectable locally advanced or metastatic osteosarcoma.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Histology:
  • Advanced solid tumor with radiologically proven bone metastasis, (dose escalation part)
  • Patients with osteogenic osteosarcoma (dose escalation part and expansion cohort) histologically confirmed by central review
  • Metastatic or unresectable locally advanced disease, not eligible for alternative local treatment (radiotherapy for instance)
  • Age > 18 years for patients with solid tumor and ≥ 13 years for patients with osteosarcoma
  • ECOG, performance status ≤ 1
  • Life expectancy > 3 months
  • Measurable disease according to RECIST v1.1. At least one site of disease must be uni-dimensionally ≥ 10 mm
  • Patients must have histologically confirmed diagnosis of locally advanced and/or metastatic solid tumors, which are not amenable to standard treatment, including for patients with osteosarcoma conventional agents such as anthracyclines, platinum salts, ifosfamide and/or methotrexate
  • At least three weeks since last chemotherapy, immunotherapy or any other pharmacological treatment and/or radiotherapy
  • Adequate haematological, renal, metabolic and hepatic function:
  • Haemoglobin ≥ 10 g/dl (patients may have received prior red blood cell transfusion, if clinically indicated); leucocytes ≥ 3 x 10^9/l, absolute neutrophil count ≥ 1.5 x 10^9/l, and platelet count ≥ 120 x 10^9/l.
  • Alanine aminotransferase and aspartate aminotransferase ≤ 2.5 x upper limit of normality (ULN)
  • Total bilirubin ≤ 1.5 x ULN
  • Calculated creatinine clearance > 40 ml/min/1.73 m² (according to MDRD formula)
  • Creatine phosphokinase ≤ 2.5 x ULN
  • Albumin > 25 g/l
  • No prior or concurrent malignant disease diagnosed or treated in the last 2 years except adequately treated in situ carcinoma of the cervix, basal or squamous skin cell carcinoma, or in situ transitional bladder cell carcinoma,
  • Recovery to grade ≤ 1 from any adverse event derived from previous treatment (excluding alopecia of any grade and non-painful peripheral neuropathy grade ≤ 2) according to the NCI-CTCAE, version 4
  • Patients with a French social security in compliance with the French law relating to biomedical research
  • Voluntarily signed and dated written informed consent prior to any study specific procedure
  • Women of childbearing potential must have a negative serum pregnancy test before study entry. Both women and men must agree to use a medically acceptable method of contraception throughout the treatment period and for six months after discontinuation of treatment

Exclusion criteria

  • Previous treatment with sirolimus
  • Concomitant diseases/conditions:
  • Clinically significant and/or rapidly accumulating ascites, pericardial and/or pleural effusions
  • Unstable cardiac disease, pulse oximetry saturation < 90% at rest
  • Clinically significant immunodeficiency, such as HIV or active Hepatitis B or C
  • History of auto-immune disease, transplantation
  • Central nervous system malignancy
  • Men or women of childbearing potential who are not using an effective method of contraception; women who are pregnant or breast feeding
  • Patients receiving any substances that are inhibitors or inducers of CYP450 3A4
  • Ongoing or recent (<6 weeks) dental problem, including any severe tooth or jaw infection (mandible and maxilla), dental trauma, dental or stomatological surgery (implants). Current dental cares are allowed
  • History of maxillary osteonecrosis or delayed healing after dental surgery
  • Participation to a study involving a medical or therapeutic intervention in the last 30 days
  • Previous enrolment in the present study
  • Patient unable to follow and comply with the study procedures because of any geographical, familial, social or psychological reasons
  • Known hypersensitivity to any involved study drug or any of its formulation components
  • Patients receiving live vaccines within 30 days prior to the first dose of study therapy and while participating in study

Treatment and study plan

Sirolimus combined with CP, MT and ZA

Drug

Cyclophosphamide, Methotrexate and Sirolimus will be administrated orally. Zoledronic Acid will be administrated by infusion (IV).

Trial based on a dose escalating study design assessing two dose levels of sirolimus when prescribed in combination with metronomic cyclophosphamide (CP), methotrexate (MT) and zoledronic acid (ZA) followed by an expansion cohort once the MTD is established.

Other names: Endoxan, Methotrexate, Rapamune, Zoledronic acid

Primary outcomes

  1. Dose Escalation Part: Number of Dose-Limiting Toxicities (DLTs) at Each Dose Level on Cycle 1

    Time frame: During the first cycle (28 days)

    A DLT is defined as an adverse event (AE) or laboratory abnormality that fulfills the criteria below:

    • Is considered to be at least possibly related to the study treatment
    • Occurs during the first cycle of treatment
    • Is unrelated to disease, disease progression, inter-current illness, or concomitant medications
    • Meets one of the criteria below, graded as outlined or according to NCI CTCAEv4.3:
    • Grade 4 non-haematological toxicity (not laboratory)
    • Grade 3 non-haematological toxicity > 3 days (not laboratory) (except for asthenia, 1rst episode of nausea/vomiting without maximal symptomatic/prophylactic treatment)
    • Grade ≥ 3 non-hematologic laboratory value if medical intervention is required to treat the patient, or the abnormality leads to hospitalization, or the abnormality persists for > 1 week
    • Grade ≥ 3 hematologic toxicity > 3 days (except for lymphopenia)
    • Grade 4 lymphopenia
    • Confirmed febrile neutropenia

  2. Expansion Cohort : Antitumor Activity Observed With Sirolimus Combined With CP, MT and ZA, in Terms of 6-month Non-progression Rate

    Time frame: 6-month non-progression rate as per RECIST v1.1

    6-month non-progression rate defined as the rate of complete or partial response or stable disease at 6 months using RECIST v1.1 :

    • Complete Response (CR): Disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to <10 mm.
    • Partial Response (PR): At least a 30% decrease in the sum of the diameters of target lesions, taking as reference the baseline sum diameters.
    • Progressive Disease (PD): At least a 20% increase in the sum of the diameters of target lesions and also demonstrate an absolute increase of at least 5 mm. (Note: the appearance of one or more new lesions is also considered progressions).
    • Stable Disease (SD): Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD
    • Unevaluable : patients stopped the treatment before tumor assessment.

Secondary outcomes

  1. Dose Escalation Part : Antitumor Activity Observed With Sirolimus Combined With CP, MT and ZA, Best Objective Response Rate (ORR) as Per RECIST v1.1

    Time frame: Tumor assessment were repeated every 8 weeks (±7 days, i.e Week 8, 16, 24, etc.) from the start of treatment and at least 4 weeks after the first CR or PR, even if there are treatment delays, an average of 4 months.

    The best objective response (BOR) is the best response recorded for each patient from the start of the study treatment until the end of treatment for progressive disease, death, patient or investigator decision.

    BOR is determined by investigator review of tumor assessments using RECIST v1.1 :

    • Complete Response (CR): Disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to <10 mm
    • Partial Response (PR): At least a 30% decrease in the sum of the diameters of target lesions, taking as reference the baseline sum diameters
    • Progressive Disease (PD): At least a 20% increase in the sum of the diameters of target lesions and also demonstrate an absolute increase of at least 5 mm
    • Stable Disease (SD)

    Tumor assessment were repeated every 8 weeks (±7 days, i.e Week 8, 16, 24, etc.) from start of treatment and at least 4 weeks after the first CR or PR, even if there are treatment delays, average of 4 months

  2. Dose Escalation Part : Antitumor Activity Observed With Sirolimus Combined With CP, MT and ZA, 1-year Progression-free Survival (PFS)

    Time frame: 1-year Progression-free survival (PFS) as per RECIST v1.1

    1-year Progression-free survival (PFS) is defined as the time from study treatment initiation to the first occurrence of disease progression, as determined by investigator review of tumor assessments using RECIST v1.1, or death from any cause during the study (i.e., within 30 days after the last dose of study treatment).

    Progressive Disease (PD): At least a 20% increase in the sum of the diameters of target lesions, taking as reference the smallest sum on study (this includes the baseline sum if that is the smallest on study). In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. (Note: the appearance of one or more new lesions is also considered progressions).

  3. Dose Escalation Part : Antitumor Activity Observed With Sirolimus Combined With CP, MT and ZA, 1-year Overall Survival (OS)

    Time frame: 1-year Overall Survival (OS) as per RECIST v1.1

    1-year Overall Survival (OS) is defined as the time from first infusion to death (of any cause)

  4. Expansion Cohort : Antitumor Activity Observed With Sirolimus Combined With CP, MT and ZA, Best Objective Response Rate (ORR) as Per RECIST v1.1

    Time frame: Tumor assessment were repeated every 8 weeks (±7 days, i.e Week 8, 16, 24, etc.) from the start of treatment and at least 4 weeks after the first CR or PR, even if there are treatment delays, an average of 4 months.

    The best objective response (BOR) is the best response recorded for each patient from the start of the study treatment until the end of treatment for progressive disease, death, patient or investigator decision.

    BOR is determined by investigator review of tumor assessments using RECIST v1.1 :

    • Complete Response (CR): Disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to <10 mm
    • Partial Response (PR): At least a 30% decrease in the sum of the diameters of target lesions, taking as reference the baseline sum diameters
    • Progressive Disease (PD): At least a 20% increase in the sum of the diameters of target lesions and also demonstrate an absolute increase of at least 5 mm
    • Stable Disease (SD) Tumor assessment were repeated every 8 weeks (±7 days, i.e Week 8, 16, 24, etc.) from start of treatment and at least 4 weeks after the first CR or PR, even if there are treatment delays, an average of 4 months

  5. Expansion Cohort : Antitumor Activity Observed With Sirolimus Combined With CP, MT and ZA, 1-year Progression-free Survival (PFS) as Per RECIST v1.1

    Time frame: 1-year Progression-free survival (PFS) as per RECIST v1.1

    1-year Progression-free survival (PFS) is defined as the time from study treatment initiation to the first occurrence of disease progression, as determined by investigator review of tumor assessments using RECIST v1.1, or death from any cause during the study (i.e., within 30 days after the last dose of study treatment).

    Progressive Disease (PD): At least a 20% increase in the sum of the diameters of target lesions, taking as reference the smallest sum on study (this includes the baseline sum if that is the smallest on study). In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. (Note: the appearance of one or more new lesions is also considered progressions).

  6. Expansion Cohort : Antitumor Activity Observed With Sirolimus Combined With CP, MT and ZA, 1-year Overall Survival (OS) as Per RECIST v1.1

    Time frame: 1-year Overall Survival (OS) as per RECIST v1.1

    1-year Overall Survival (OS) is defined as the time from first infusion to death (of any cause)

Sponsors and collaborators

Lead sponsor

Institut Bergonié

Other

Collaborators

  • Pfizer
  • Reliable Cancer Therapies

Registry information

Official study title

Metronomic Cyclophosphamide and Methotrexate Combined With Zoledronic Acid and Sirolimus in Patients With Advanced Solid Tumor With Bone Metastasis and Advanced Pretreated Osteosarcoma. A Phase Ib Study From the French Sarcoma Group

Acronym: METZOLIMOS

Important dates

Study start
2015
Primary completion
2016
Study completion
2021
First posted
Aug 7, 2015
Registry last updated
Jun 8, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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