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A Study of Trabectedin or Dacarbazine for the Treatment of Patients With Advanced Liposarcoma or Leiomyosarcoma

A Randomized Controlled Study of YONDELIS (Trabectedin) or Dacarbazine for the Treatment of Advanced Liposarcoma or Leiomyosarcoma

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01343277
Enrollment
579
Registered
2011-04-28
Start date
2011-06-30
Completion date
2016-04-30
Last updated
2016-08-26

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

Conditions

Advanced Liposarcoma or Leiomyosarcoma

Keywords

Advanced Liposarcoma or Leiomyosarcoma, Trabectedin, Yondelis, Dacarbazine, Anthracycline, L-sarcoma

Brief summary

The purpose of this study is to evaluate whether overall survival for the trabectedin group is superior to the dacarbazine group for patients with advanced L-sarcoma (liposarcoma or leiomyosarcoma).

Detailed description

This is a randomized study (study drug assigned by chance) using a 2:1 randomization. It is an open-label (all people know study drug), active-controlled (comparing to a different drug used for the same condition), parallel-group (different treatment groups continue with separate treatments throughout the study), multicenter study. This study will be divided into 3 phases, screening, treatment, follow-up and optional extension phase (OEP). During screening, potential participants will be assessed for study eligibility after providing signed informed consent. Approximately 570 patients who satisfy all inclusion and exclusion criteria will be randomly assigned in a 2:1 ratio to either the trabectedin (n=380) or dacarbazine (n=190) treatment groups. During the treatment phase, patients will receive study drug once every 3 weeks, until disease progression (defined by Response Evaluation Criteria in Solid Tumors \[RECIST\] Version 1.1 criteria) or signs of toxicity. Assessments will be performed to evaluate the effectiveness of the drug, and patient safety will be monitored. During the follow-up phase, after the last dose of study drug, clinical outcomes for patients will be evaluated. Trabectedin will be administered at a dose of 1.5 milligram per square meters (mg/m\^2) through a catheter into a large vein as a 24-hour intravenous (IV) infusion, once every 3 weeks, until disease progression or signs of toxicity. Dacarbazine will be administered at a dose of 1.0 g/m\^2 as a 20-120 minute infusion, once every 3 weeks, until disease progression or signs of toxicity. In the OEP, participants who were previously randomized to the dacarbazine group will have the option to receive trabectedin at the discretion of the investigator.

Interventions

DRUGTrabectedin

Type=exactly number, unit=mg/m2, number=1.5, form=intravenous infusion, route=intravenous use. Once every 3 weeks until disease progression or signs of toxicity.

DRUGDacarbazine

Type=exactly number, unit=g/m2, number=1, form=intravenous infusion, route=intravenous use. Once every 3 weeks until disease progression or signs of toxicity.

Sponsors

PharmaMar
CollaboratorINDUSTRY
Janssen Research & Development, LLC
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

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

Inclusion criteria

* Histologically proven, unresectable, locally advanced or metastatic liposarcoma (dedifferentiated, myxoid round cell, or pleomorphic) or leiomyosarcoma. Participants must have a pathology report indicating the diagnosis of liposarcoma or leiomyosarcoma that has been reviewed by the sponsor before randomization may occur * Treated in any order with at least: an anthracycline and ifosfamide containing regimen, or an anthracycline containing regimen and 1 additional cytotoxic chemotherapy regimen * Measurable disease at baseline in accordance with RECIST Version 1.1 * Pathology specimens (example \[e.g.\], tumor blocks or unstained slides) for potential centralized pathology review and biomarker studies * ECOG Performance Status score of 0 or 1 * Adequate recovery from prior therapy, all side effects (except alopecia) have resolved to Grade 1 or less according to the National Cancer Institute - Common Terminology Criteria of Adverse Events (NCI-CTCAE) Version 4.0 * Adequate organ function as evidenced by the following peripheral blood counts or serum chemistry values: hemoglobin 9 gram per deciliters (g/dL), absolute neutrophil count (ANC) 1,500/L, platelet count 100,000/L, serum creatinine 1.5\*the upper limit of normal (ULN), creatine phosphokinase (CPK) 2.5 Upper Limit of Normal \[ULN\] * Adequate hepatic function as evidenced by the following serum chemistry values: total bilirubin, ULN. If total bilirubin is greater than (\>) ULN, measure indirect bilirubin to evaluate for Gilbert's syndrome (if direct bilirubin is within normal range, participant may be eligible) ALP 2.5 x ULN; Trabectedin: if the ALP is \>2.5 x ULN, then an ALP liver fraction or 5-nucleotidase must be obtained and ULN, AST and ALT 2.5 ULN * Negative pregnancy test (urinary or serum beta-HCG) at screening (applicable to women of child bearing potential who are sexually active) * Female participants must be postmenopausal (no spontaneous menses for at least 2 years), surgically sterile (have had a hysterectomy or bilateral oophorectomy, tubal ligation, or otherwise be incapable of pregnancy), abstinent (at the discretion of the investigator), or if sexually active, be practicing an effective method of birth control. Male participants must agree to use an adequate contraception method as deemed appropriate by the investigator (e.g., vasectomy, double-barrier, partner using effective contraception) and to not donate sperm for a minimum of 5 months after treatment discontinuation Optional Extension Phase (OEP) Phase: * Documentation for inclusion criteria histologically proven, unresectable, locally advanced or metastatic liposarcoma (dedifferentiated, myxoid round cell, or pleomorphic) or leiomyosarcoma. Participants must have a pathology report indicating the diagnosis of liposarcoma or leiomyosarcoma that has been reviewed by the sponsor before randomization may occur and treated in any order with at least: an anthracycline and ifosfamide containing regimen, or an anthracycline containing regimen and 1 additional cytotoxic chemotherapy regimen do not need to be reviewed by the Sponsor * Collection of the specimen: Pathology specimens (example (e.g.), tumor blocks or unstained slides) for potential centralized pathology review and biomarker studies is not applicable * Documentation of inclusion criteria adequate organ function as evidenced by the following peripheral blood counts or serum chemistry values: hemoglobin 9 gram per deciliters (g/dL), absolute neutrophil count (ANC) 1,500/L, platelet count 100,000/L, serum creatinine 1.5\*the upper limit of normal (ULN), creatine phosphokinase (CPK) 2.5\*ULN and adequate hepatic function as evidenced by the following serum chemistry values: total bilirubin, ULN. If total bilirubin is greater than (\>) ULN, measure indirect bilirubin to evaluate for Gilbert's syndrome (if direct bilirubin is within normal range, participant may be eligible) ALP \<= 2.5\*ULN; Trabectedin: if the ALP is \>2.5\*ULN, then an ALP liver fraction or 5-nucleotidase must be obtained and ULN, AST and ALT 2.5 ULN will be reviewed by the Sponsor before enrollment in the OEP may occur

Exclusion criteria

* Potential participants who meet any of the following criteria will be excluded from participating in the study: Prior exposure to trabectedin or dacarabazine, less than 3 weeks from last dose of systemic cytotoxic therapy, radiation therapy, or therapy with any investigational agent, other malignancy within past 3 years. Exceptions: basal or nonmetastatic squamous cell carcinoma of the skin, cervical carcinoma in situ, or Federation Internationale de Gynecologie et d'Obstetrique (FIGO) Stage 1 carcinoma of the cervix * Known central nervous system metastasis * Known significant chronic liver disease, such as cirrhosis or active hepatitis (potential participants who test positive for hepatitis B surface antigen or hepatitis C antibodies are allowed provided they do not have active disease requiring antiviral therapy) * Myocardial infarct within 6 months before enrollment, New York Heart Association Class II or greater heart failure, uncontrolled angina, severe uncontrolled ventricular arrhythmias, clinically significant pericardial disease, or electrocardiographic evidence of acute ischemic or active conduction system abnormalities * Uncontrolled intercurrent illness including, but not limited to, poorly controlled hypertension or diabetes, ongoing active infection, or psychiatric illness/social situation that may potentially impair the participant's compliance with study procedures * Unwilling or unable to have a central venous catheter * Known allergies, hypersensitivity, or intolerance to trabectedin, dacarbazine, dexamethasone, or their excipients * Pregnant or breast-feeding * Any condition that, in the opinion of the investigator, would compromise the well-being of the participant or the study or prevent the participant from meeting or performing study requirements OEP phase: * Potential participants who meet any of the following criteria will be excluded from Participating in the study: Prior exposure to trabectedin, less than 3 weeks from last dose of systemic cytotoxic therapy, radiation therapy, or therapy with any investigational agent, other malignancy within past 3 years. Exceptions: basal or nonmetastatic squamous cell carcinoma of the skin, cervical carcinoma in situ, or Federation Internationale de Gynecologie et d'Obstetrique (FIGO) Stage 1 carcinoma of the cervix does not apply * Treated in any order with at least: an anthracycline and ifosfamide containing regimen, or an anthracycline containing regimen and 1 additional cytotoxic chemotherapy regimen with less than 3 weeks from last dose of systemic anticancer therapy, radiation therapy, or therapy with any investigational agent * Known allergies, hypersensitivity, or intolerance to dacarbazine does not apply

Design outcomes

Primary

MeasureTime frameDescription
Overall Survival (OS)approximately 3 years 8 months (From Study start date [27 May 2011] up to final analysis data cut-off [05 January 2015]The OS is defined as the time from the date of first dose of study drug to date of death from any cause. If the participant is alive or the vital status is unknown, the participant will be censored at the date the participant will be last known to be alive.

Secondary

MeasureTime frameDescription
Progression-Free Survival (PFS)approximately 2 years 4 months (From Study start date [27 May 2011] up to interim analysis data cut-off [16 September 2013])The Progression-Free Survival (PFS) was assessed as median number of months from baseline until the first documented sign of disease progression (increase in disease; radiographic, clinical, or both) or death due to any cause, whichever occurred earlier. Independent Data Monitoring Committee performed ongoing safety monitoring and conducted the interim analysis after 189 death events and 329 PFS events were observed.
Time to Progressionapproximately 2 years 4 months (From Study start date [27 May 2011] up to interim analysis data cut-off [16 September 2013])Time interval in months between the date of randomization and the date of disease progression or death due to progression, whichever occurred first. Independent Data Monitoring Committee performed ongoing safety monitoring and conducted the interim analysis after 189 death events and 329 PFS events were observed.
Objective Response Rateapproximately 2 years 4 months (From Study start date [27 May 2011] up to interim analysis data cut-off [16 September 2013])The objective response rate (ORR) is defined as the percentage of participants who achieved a Complete response (CR) or partial response (PR) as best responses. according to Response Evaluation Criteria in Solid Tumors, Version 1.1 (RECIST). CR defined as disappearance of all target lesions. Any pathological lymph nodes must have reduction in short axis to less than 10 millimeter (mm). PR defined as at least 30 percent (%) decrease in sum of the diameters of the target lesions taking as reference the Baseline sum diameters. Confirmed responses are those that persist on repeat imaging study for at least 4 weeks after initial documentation of response. Independent Data Monitoring Committee performed ongoing safety monitoring and conducted the interim analysis after 189 death events and 329 PFS events were observed.
Duration of Responseapproximately 2 years 4 months (From Study start date [27 May 2011] up to interim analysis data cut-off [16 September 2013])Duration of response is defined as the time from the date of initial documentation of a response (CR or PR) to the date of first documented evidence of progressive disease (or relapse for participants who experience CR during the study) or death. Independent Data Monitoring Committee performed ongoing safety monitoring and conducted the interim analysis after 189 death events and 329 PFS events were observed.
Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)approximately 3 years 8 months (From Study start date [27 May 2011] up to final analysis data cut-off [05 January 2015])An AE was any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. An SAE was an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial or prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly.

Countries

Australia, Brazil, New Zealand, United States

Participant flow

Pre-assignment details

Total enrolled participants were 577, but 2 participants were randomized twice, therefore counted twice in enrollment. Thus, enrolled participants are reported as 579.

Participants by arm

ArmCount
Trabectedin
Trabectedin at a dose of 1.5 milligram per meter square (mg/m\^2) was given as an intravenous (IV) infusion over 24-hour every 3 weeks on Day 1 of every cycle (21 days) until disease progression. Dexamethasone 20 mg IV was also administered within 30 minutes before start of each trabectedin infusion.
384
Dacarbazine
Dacarbazine at a dose of 1 gram per meter square (mg/m\^2) was given as an intravenous (IV) infusion over 20-120 minutes every 3 weeks on Day 1 of every cycle (21 days) until disease progression. Dexamethasone 20 mg IV was also administered within 30 minutes before start of each dacarbazine infusion.
193
Total577

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyAdverse Event6713
Overall StudyDeath101
Overall StudyDisease progression270138
Overall StudyOther33
Overall StudyPhysician Decision12
Overall StudyRandomized not treated621
Overall StudySubsequent anticancer therapy10
Overall StudyTreatment ongoing82
Overall StudyWithdrawal by Subject1813

Baseline characteristics

CharacteristicTrabectedinDacarbazineTotal
Age, Continuous56.5 years
STANDARD_DEVIATION 11.04
54.1 years
STANDARD_DEVIATION 11.92
55.7 years
STANDARD_DEVIATION 11.39
Region of Enrollment
AUS
15 participants8 participants23 participants
Region of Enrollment
BRA
10 participants2 participants12 participants
Region of Enrollment
NZL
3 participants0 participants3 participants
Region of Enrollment
USA
356 participants183 participants539 participants
Sex: Female, Male
Female
262 Participants140 Participants402 Participants
Sex: Female, Male
Male
122 Participants53 Participants175 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
375 / 378166 / 172
serious
Total, serious adverse events
155 / 37852 / 172

Outcome results

Primary

Overall Survival (OS)

The OS is defined as the time from the date of first dose of study drug to date of death from any cause. If the participant is alive or the vital status is unknown, the participant will be censored at the date the participant will be last known to be alive.

Time frame: approximately 3 years 8 months (From Study start date [27 May 2011] up to final analysis data cut-off [05 January 2015]

Population: Analysis population included all the randomized participants up to up to final analysis cut-off date (05 January 2015).

ArmMeasureValue (MEDIAN)
TrabectedinOverall Survival (OS)13.73 Months
DacarbazineOverall Survival (OS)13.14 Months
Secondary

Duration of Response

Duration of response is defined as the time from the date of initial documentation of a response (CR or PR) to the date of first documented evidence of progressive disease (or relapse for participants who experience CR during the study) or death. Independent Data Monitoring Committee performed ongoing safety monitoring and conducted the interim analysis after 189 death events and 329 PFS events were observed.

Time frame: approximately 2 years 4 months (From Study start date [27 May 2011] up to interim analysis data cut-off [16 September 2013])

Population: Analysis population included all the randomized participants up to interim analysis cut-off date (16 September 2013). N (number of participants analyzed) signifies the participants evaluable for this measure.

ArmMeasureValue (MEDIAN)
TrabectedinDuration of Response6.47 Months
DacarbazineDuration of Response4.17 Months
Secondary

Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)

An AE was any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. An SAE was an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial or prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly.

Time frame: approximately 3 years 8 months (From Study start date [27 May 2011] up to final analysis data cut-off [05 January 2015])

Population: Safety population included all the treated participants.

ArmMeasureGroupValue (NUMBER)
TrabectedinNumber of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)Serious Adverse Events (SAEs)155 Participants
TrabectedinNumber of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)Adverse Events (AEs)375 Participants
DacarbazineNumber of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)Serious Adverse Events (SAEs)52 Participants
DacarbazineNumber of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)Adverse Events (AEs)166 Participants
Secondary

Objective Response Rate

The objective response rate (ORR) is defined as the percentage of participants who achieved a Complete response (CR) or partial response (PR) as best responses. according to Response Evaluation Criteria in Solid Tumors, Version 1.1 (RECIST). CR defined as disappearance of all target lesions. Any pathological lymph nodes must have reduction in short axis to less than 10 millimeter (mm). PR defined as at least 30 percent (%) decrease in sum of the diameters of the target lesions taking as reference the Baseline sum diameters. Confirmed responses are those that persist on repeat imaging study for at least 4 weeks after initial documentation of response. Independent Data Monitoring Committee performed ongoing safety monitoring and conducted the interim analysis after 189 death events and 329 PFS events were observed.

Time frame: approximately 2 years 4 months (From Study start date [27 May 2011] up to interim analysis data cut-off [16 September 2013])

Population: Analysis population included all the randomized participants up to interim analysis cut-off date (16 September 2013). N (number of participants analyzed) signifies the participants evaluable for this measure.

ArmMeasureValue (NUMBER)
TrabectedinObjective Response Rate9.9 Percentage of Participants
DacarbazineObjective Response Rate6.9 Percentage of Participants
Secondary

Progression-Free Survival (PFS)

The Progression-Free Survival (PFS) was assessed as median number of months from baseline until the first documented sign of disease progression (increase in disease; radiographic, clinical, or both) or death due to any cause, whichever occurred earlier. Independent Data Monitoring Committee performed ongoing safety monitoring and conducted the interim analysis after 189 death events and 329 PFS events were observed.

Time frame: approximately 2 years 4 months (From Study start date [27 May 2011] up to interim analysis data cut-off [16 September 2013])

Population: Analysis population included all the randomized participants up to interim analysis cut-off date (16 September 2013). N (number of participants analyzed) signifies the participants evaluable for this measure.

ArmMeasureValue (MEDIAN)
TrabectedinProgression-Free Survival (PFS)4.21 Months
DacarbazineProgression-Free Survival (PFS)1.54 Months
Secondary

Time to Progression

Time interval in months between the date of randomization and the date of disease progression or death due to progression, whichever occurred first. Independent Data Monitoring Committee performed ongoing safety monitoring and conducted the interim analysis after 189 death events and 329 PFS events were observed.

Time frame: approximately 2 years 4 months (From Study start date [27 May 2011] up to interim analysis data cut-off [16 September 2013])

Population: Analysis population included all the randomized participants up to interim analysis cut-off date (16 September 2013). N (number of participants analyzed) signifies the participants evaluable for this measure.

ArmMeasureValue (MEDIAN)
TrabectedinTime to Progression4.24 Months
DacarbazineTime to Progression1.54 Months

Source: ClinicalTrials.gov · Data processed: Jun 14, 2026