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Sitravatinib in Advanced Liposarcoma and Other Soft Tissue Sarcomas

A Phase II Trial of Sitravatinib (MGCD516), a Multi-receptor Tyrosine Kinase Inhibitor, in Advanced Liposarcoma and Other Soft Tissue Sarcomas

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02978859
Enrollment
29
Registered
2016-12-01
Start date
2016-11-30
Completion date
2021-12-20
Last updated
2024-07-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Liposarcoma, Metastatic Liposarcoma

Keywords

MGCD516, Sarcoma, Liposarcoma, Unresectable Liposarcoma, Metastatic Liposarcoma, Sitravatinib

Brief summary

The purpose of this study is to evaluate Sitravatinib, an oral small molecular receptor tyrosine kinase inhibitor, for the treatment of advanced liposarcoma.

Detailed description

Sarcomas are a group of cancers which arise from connective tissue and bone, of which more than 50 subtypes exist. Approximately 12,000 people are diagnosed with sarcoma annually in the United States. Liposarcoma is one of the more common types of soft tissue sarcoma. The primary treatment for liposarcoma is surgery when possible. When liposarcoma is not amenable to surgery, various systemic treatments, including chemotherapy, are used. However, the effectiveness of existing treatments for liposarcoma is limited. Sitravatinib is an oral, targeted drug which inhibits receptor tyrosine kinases. Receptor tyrosine kinases are proteins on the surface of the liposarcoma cell which play a role in cancer growth. In laboratory work, Sitravatinib effectively suppressed the growth of liposarcoma models. The purpose of this study is to evaluate the safety and efficacy of Sitravatinib in patients with liposarcoma which cannot be removed by surgery.

Interventions

Administered at 150 mg orally, daily, in continuous 21 day cycles. An orally available, potent small molecular inhibitor of several related receptor tyrosine kinases.

Sponsors

Mirati Therapeutics Inc.
CollaboratorINDUSTRY
Columbia University
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Stage 1, histologically confirmed well-differentiated or de-differentiated liposarcoma. If stage 1 of the Simon II stage design fails to meet its endpoint for liposarcoma patients, an additional 16 patients will be enrolled, composed of 4 each of MPNST, synovial sarcoma, alveolar rhabdomyosarcoma and alveolar soft part sarcoma (otherwise, an additional 16 patients with well-differentiated or de-differentiated liposarcoma would be enrolled). Pathology review occurs at the center enrolling the patient on this trial. * Disease must be locally advanced and unresectable or metastatic. Disease which may be resected but with an associated level of morbidity deemed unacceptable by the treating clinician is considered eligible. * Patients must have measurable disease by RECIST criteria version 1.1. * Patients must evidence of disease progression, either clinically or radiographically,within the 8 weeks prior to study enrollment, as determined by the principal investigator. * Patients must have been treated with at least one prior systemic regimen for sarcoma. Adjuvant systemic therapy qualifies as prior therapy for the purposes of this study. There is no upper limit on previous lines of therapy received. A prior line of systemic therapy may include prior investigational agents received as part of other clinical studies. * Patients must be age 18 years or older. Because no dosing or adverse event data are currently available for MGCD516 in patients less than 18 years of age, children are excluded from the present study, but will be eligible for future pediatric trials. * Patients must demonstrate an Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1. * Patients must demonstrate normal organ and marrow function. * Patients must demonstrate adequately controlled blood pressure at the time of study entry, as defined by a blood pressure ≤ 150/100 mmHg at study screening on at least one of two screenings conducted at least 24 hours apart. If blood pressure meets these guidelines on initial measurement, no subsequent measurement for screening is needed. Blood pressure may be assessed by automated or manual methods by an appropriately trained clinician or nurse. * Patients must have normal left ventricular systolic function, as demonstrated by a transthoracic echocardiogram or multigated acquisition (MUGA) scan showing a normal left ventricular ejection fraction. * Women of child-bearing potential and all men must agree to use adequate contraception (hormonal or barrier method of birth control, abstinence) prior to study entry and for the duration of study participation. * Ability to understand and willingness to sign a written informed consent document.

Exclusion criteria

* Patients must not have received treatment with any chemotherapy, immunotherapy, radiotherapy or an investigational agent for malignancy within the 28 days preceding study registration. Patients may not have received treatment with nitrosureas or mitomycin within the 42 days prior to study registration. Patients may not have received treatment with a small molecule targeted agent (including off-label or investigational use) within 14 days preceding study registration, provided this represents at least 7 half-lives for that agent. Toxic effects from any prior therapy (except alopecia) must have resolved to grade 1 or less according to NCI CTCAE v4.0 or to the patient's baseline by the time of registration. * Patients may not be receiving any other investigational agent for any purpose concurrently. Patients may not require ongoing treatment with (a) gastric pH modifying medications including proton pump inhibitors or H2 blockers (patients may switch to antacids), (b) medications which are known to be sensitive substrates or substrates with a narrow therapeutic index for the P-gp and breast cancer resistance protein (BCRP) transporters and/or (c) medications known to cause corrected QT Interval (QTc) prolongation with risk of Torasades. Please see Appendix 1 for a list of such prohibited concomitant medications at study entry. * Patients with brain metastases which are symptomatic may not be enrolled. Those subjects with untreated brain metastases ≤ 1 cm may who are asymptomatic and for whom there are no plans for surgery, radiation or corticosteroid use may be considered eligible at the discretion of the principal investigator. Subjects with brain metastases that have been treated and are stable for at least 1 month are eligible if they are asymptomatic and not receiving corticosteroids. * Patients may not have a history of allergic reaction or hypersensitivity to microcrystalline cellulose (Avicel PH302) or polysorbate 80 (Tween 80), which are components of the drug product MGCD516. * Patients may not have uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, uncontrolled cardiac arrhythmia, uncontrolled diabetes mellitus or uncontrolled psychiatric illness that would limit compliance with study requirements in the opinion of the principal investigator. Additionally, patients must be free of any impairment in the ability to swallow and absorb the oral study drug. * Patients may not be pregnant or nursing. Pregnant women are excluded from this study because the teratogenic effects of MGCD516 have not been adequately studied. A negative pregnancy test must be documented 7 days or less prior to registration. Because there is an unknown but potential risk for adverse events to nursing infants secondary to treatment of the mother with MGCD516, breastfeeding must be discontinued prior to registration for this clinical trial. * Patients may not have known HIV infection. HIV-positive patients on combination.

Design outcomes

Primary

MeasureTime frameDescription
Number of Participants Who Were Progression Free12 weeksThe number of patients alive and without evidence of disease progression per RECIST criteria v1.1 at the 12-week scan after starting treatment.

Secondary

MeasureTime frameDescription
Number of Participants Who Experienced a Treatment-related Adverse Event12 weeks
Overall Response Rate (ORR) of MGCD516Up to 33 monthsThe ORR was defined as the number of patients having a best objective tumor status of complete or partial response per RECIST v1.1 criteria lasting at least 4 weeks divided by the number of evaluable patients.
Progression Free Survival (PFS)Up to 33 monthsPFS was defined from the date of enrollment to the date of progression or death, the last progression-free scan for patients who withdrew consent or had unexpected adverse events, or the last follow-up for patients who withdrew consent prior to the first scan, whichever occurred first. PFS and OS were estimated using the Kaplan-Meier method.
Overall Survival (OS)Up to 33 monthsOS was defined from the date of enrollment to the date of death or last follow-up, whichever occurred first. PFS and OS were estimated using the Kaplan-Meier method.

Countries

United States

Participant flow

Participants by arm

ArmCount
MGCD516
Patients with locally advanced and unresectable or metastatic sarcoma will receive MGCD516 at the discretion of the principal investigator until disease progression, unacceptable toxicity or adverse event(s) or withdrawal of consent. MGCD516: Administered at 150 mg orally, daily, in continuous 21 day cycles. An orally available, potent small molecular inhibitor of several related receptor tyrosine kinases.
29
Total29

Baseline characteristics

CharacteristicMGCD516
Age, Continuous62 years
DDLPS27 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
3 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
26 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
2 Participants
Race (NIH/OMB)
Black or African American
3 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
2 Participants
Race (NIH/OMB)
White
22 Participants
Region of Enrollment
United States
29 participants
Sex: Female, Male
Female
13 Participants
Sex: Female, Male
Male
16 Participants
WDLPS2 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
21 / 29
other
Total, other adverse events
17 / 29
serious
Total, serious adverse events
12 / 29

Outcome results

Primary

Number of Participants Who Were Progression Free

The number of patients alive and without evidence of disease progression per RECIST criteria v1.1 at the 12-week scan after starting treatment.

Time frame: 12 weeks

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
MGCD516Number of Participants Who Were Progression Free12 Participants
Secondary

Number of Participants Who Experienced a Treatment-related Adverse Event

Time frame: 12 weeks

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
MGCD516Number of Participants Who Experienced a Treatment-related Adverse Event25 Participants
Secondary

Overall Response Rate (ORR) of MGCD516

The ORR was defined as the number of patients having a best objective tumor status of complete or partial response per RECIST v1.1 criteria lasting at least 4 weeks divided by the number of evaluable patients.

Time frame: Up to 33 months

ArmMeasureValue (NUMBER)
MGCD516Overall Response Rate (ORR) of MGCD5160 participants
Secondary

Overall Survival (OS)

OS was defined from the date of enrollment to the date of death or last follow-up, whichever occurred first. PFS and OS were estimated using the Kaplan-Meier method.

Time frame: Up to 33 months

ArmMeasureValue (MEDIAN)
MGCD516Overall Survival (OS)31.7 weeks
Secondary

Progression Free Survival (PFS)

PFS was defined from the date of enrollment to the date of progression or death, the last progression-free scan for patients who withdrew consent or had unexpected adverse events, or the last follow-up for patients who withdrew consent prior to the first scan, whichever occurred first. PFS and OS were estimated using the Kaplan-Meier method.

Time frame: Up to 33 months

ArmMeasureValue (MEDIAN)
MGCD516Progression Free Survival (PFS)11.7 weeks

Source: ClinicalTrials.gov · Data processed: Feb 26, 2026