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Nelfinavir Mesylate in Treating Patients With Recurrent, Metastatic, or Unresectable Liposarcoma

A Phase I/II Study of Nelfinavir in Liposarcoma

Status
Terminated
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00233948
Enrollment
29
Registered
2005-10-06
Start date
2006-03-31
Completion date
Unknown
Last updated
2015-04-01

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

Conditions

Adult Liposarcoma, Recurrent Adult Soft Tissue Sarcoma, Stage III Adult Soft Tissue Sarcoma, Stage IV Adult Soft Tissue Sarcoma

Brief summary

RATIONALE: Antiviral drugs, such as nelfinavir mesylate, may help prevent cancer cells from spreading. PURPOSE: This phase I/II trial is studying the side effects and best dose of nelfinavir mesylate and to see how well it works in treating patients with recurrent, metastatic, or unresectable liposarcoma.

Detailed description

OBJECTIVES: I. To assess the toxicity and tolerance of nelfinavir in patients with liposarcoma. II. To define the maximum tolerated dose (MTD) of nelfinavir when given daily as a single agent and to describe the toxicities at each does studied. III. To evaluate the pharmacokinetics of nelfinavir. IV. To assess the response rate and progression free survival in patients with liposarcoma treated with nelfinavir. V. To evaluate the expression and activity of certain proteins in the tumors of patients entered on this study, which may be important to the cytotoxicity of nelfinavir (SREBP-1, p21, NFkB (NFkappaB), caspase 3). OUTLINE: This is a phase I, dose-escalation study followed by a phase II study. Patients receive oral nelfinavir mesylate twice daily on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity.

Interventions

DRUGnelfinavir mesylate

Given orally

PROCEDUREbiopsy

Correlative studies

OTHERlaboratory biomarker analysis

Correlative studies

OTHERpharmacological study

Correlative studies

GENETICgene expression analysis

Correlative studies

GENETICwestern blotting

Correlative studies

GENETICreverse transcriptase-polymerase chain reaction

Correlative studies

OTHERimmunoenzyme technique

Correlative studies

Sponsors

City of Hope Medical Center
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

Inclusion * Patients must have histologically confirmed liposarcoma, which is recurrent, metastatic or unresectable * There is no limit to prior chemotherapy regimens; in addition, patients may have prior radiation * All patients must have measurable disease, defined as lesions that can be accurately measured in at least one dimension (\>= 20 mm with conventional techniques or \>= 10mm with spiral CT scan); pleural effusions and ascites will not be considered measurable, but may be present in addition to the measurable lesion(s) * ECOG (Eastern Cooperative Oncology Group) performance status of 0, 1, or 2; patients should have an expected survival of at least 3 months * Absolute neutrophil count \>= 1,000/ul * Platelets \>= 75000/ul * Total bilirubin =\< 2.0 g/dl * AST(SGOT)/ALT(SGPT) =\< 2.0X institutional upper limit of normal * Brain metastasis is not an exclusion; however, patients are only eligible if they have had successful control of the brain tumor(s) by surgery or radiation therapy * All prior therapy must have been completed at least 3 weeks prior to the patient's entry on this trial * No concurrent chemotherapy, radiotherapy, immunotherapy or other investigational agents * Women of child-bearing potential and men must agree to use adequate contraception (barrier method of birth control) prior to study entry and for the duration of study participation; should a women become pregnant or suspect she is pregnant while participating in this study, she should inform her treating physician immediately * Ability to understand and willingness to sign a written informed consent document Exclusion * Patient has had prior treatment with or is currently taking a protease inhibitor * Patients enrolled cannot be on the following medications: cisapride, triazolam, midazolam, ergot derivatives, amiodarone, quinidine, dihydropyridine calcium antagonists (amlodipine, felodipine, isradipine, nicardipine, nifedipine, nimodipine, and nisoldipine), sildenafil, dilantin, rifampin or oral contraceptives * Uncontrolled intercurrent illness * Patients must have recovered from any expected toxicities of previous chemotherapy or radiation therapy

Design outcomes

Primary

MeasureTime frameDescription
Dose Limiting Toxicity (DLT) (Phase I)4 weeks from start of treatment, up to 2 yearsDLT is defined as any grade III toxicity not reversible to grade II or less within one week, or any grade IV toxicity. Hyperlipidemia, hyperglycemia, nausea, vomiting and diarrhea are not DLTs unless they are uncontrolled grade 3/4. Dose delays lasting more than 2 weeks due to toxicity are considered a DLT. Dose escalation schedule for nelfinavir: 1250 mg bid ; 1500 mg bid; 2125 mg bid; 3000 mg bid; 4250 mg bid ; 6000 mg bid ; 8500 mg bid ; 12000 mg bid
Maximum Tolerated Dose (MTD) (Phase I)4 weeks from start of treatment, up to 2 yearsThe highest dose tested in which fewer than 33% of patients experience an attributable DLT to the study drug, when at least 6 patients are treated at that dose and are evaluable for toxicity. If PK analysis of 3 patients treated at 4250 mg bid and 3 patients at 3000 mg bid confirms that the first dose area under the curve and Cmax of nelfinavir does not increase appreciably at doses greater than 1875 mg BID then 3000 mg BID will be deemed the MTD.
Overall Response Rate (Phase II)After 3 cycles of treatment, up to 2 years.Per Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.0) for target lesions and assessed by MRI: Complete Response (CR), Disappearance of all target lesions; Partial Response (PR), \>=30% decrease in the sum of the longest diameter of target lesions; Overall Response (OR) = CR + PR

Countries

United States

Participant flow

Participants by arm

ArmCount
Phase I
Phase I dose escalation portion of the study. Initial dose of oral Nelfinavir was 1250 mg bid with escalation to the MTD at 4250 mg bid using a standard 3+3 dose escalation scheme.
17
Phase II
Oral Nelfinavir at 3000 mg bid
12
Total29

Withdrawals & dropouts

PeriodReasonFG000FG001FG002FG003FG004FG005
Overall StudyAdverse Event100000

Baseline characteristics

CharacteristicPhase IPhase IITotal
Age, Continuous64 years63 years64 years
Region of Enrollment
United States
17 participants12 participants29 participants
Sex: Female, Male
Female
6 Participants6 Participants12 Participants
Sex: Female, Male
Male
11 Participants6 Participants17 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
EG004
affected / at risk
EG005
affected / at risk
deaths
Total, all-cause mortality
— / —— / —— / —— / —— / —— / —
other
Total, other adverse events
4 / 43 / 33 / 33 / 34 / 412 / 12
serious
Total, serious adverse events
2 / 40 / 32 / 31 / 30 / 42 / 12

Outcome results

Primary

Dose Limiting Toxicity (DLT) (Phase I)

DLT is defined as any grade III toxicity not reversible to grade II or less within one week, or any grade IV toxicity. Hyperlipidemia, hyperglycemia, nausea, vomiting and diarrhea are not DLTs unless they are uncontrolled grade 3/4. Dose delays lasting more than 2 weeks due to toxicity are considered a DLT. Dose escalation schedule for nelfinavir: 1250 mg bid ; 1500 mg bid; 2125 mg bid; 3000 mg bid; 4250 mg bid ; 6000 mg bid ; 8500 mg bid ; 12000 mg bid

Time frame: 4 weeks from start of treatment, up to 2 years

Population: All patients receiving treatment were evaluated for DLT.

ArmMeasureValue (NUMBER)
Phase I: Dose Level IDose Limiting Toxicity (DLT) (Phase I)0 participants with DLTs
Phase I: Dose Level IIDose Limiting Toxicity (DLT) (Phase I)0 participants with DLTs
Phase I: Dose Level IIIDose Limiting Toxicity (DLT) (Phase I)0 participants with DLTs
Phase I: Dose Level IVDose Limiting Toxicity (DLT) (Phase I)0 participants with DLTs
Phase I: Dose Level VDose Limiting Toxicity (DLT) (Phase I)0 participants with DLTs
Primary

Maximum Tolerated Dose (MTD) (Phase I)

The highest dose tested in which fewer than 33% of patients experience an attributable DLT to the study drug, when at least 6 patients are treated at that dose and are evaluable for toxicity. If PK analysis of 3 patients treated at 4250 mg bid and 3 patients at 3000 mg bid confirms that the first dose area under the curve and Cmax of nelfinavir does not increase appreciably at doses greater than 1875 mg BID then 3000 mg BID will be deemed the MTD.

Time frame: 4 weeks from start of treatment, up to 2 years

Population: All patients observed for 28 days while receiving a full course of therapy or who experienced a DLT. Patients withdrawing before completion of the first course, for reasons other than DLT, were replaced.

ArmMeasureValue (NUMBER)
Phase I: Dose Level IMaximum Tolerated Dose (MTD) (Phase I)3000 mg
Primary

Overall Response Rate (Phase II)

Per Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.0) for target lesions and assessed by MRI: Complete Response (CR), Disappearance of all target lesions; Partial Response (PR), \>=30% decrease in the sum of the longest diameter of target lesions; Overall Response (OR) = CR + PR

Time frame: After 3 cycles of treatment, up to 2 years.

Population: Patients who complete 3 cycles of treatment or who terminate treatment for reasons of toxicity, or who progress prior to the completion of 3 cycles of therapy on the Phase II portion of the study.

ArmMeasureValue (NUMBER)
Phase I: Dose Level IOverall Response Rate (Phase II)1 participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026