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R-(-)-Gossypol Acetic Acid, Cisplatin, and Etoposide in Treating Patients With Advanced Solid Tumors or Extensive Stage Small Cell Lung Cancer | Clinical Trials | Clareo Health

COMPLETEDPHASE1

R-(-)-Gossypol Acetic Acid, Cisplatin, and Etoposide in Treating Patients With Advanced Solid Tumors or Extensive Stage Small Cell Lung Cancer

A Phase 1 Study of R-(-)-Gossypol (AT-101) in Combination With Cisplatin and Etoposide in Patients With Advanced Solid Tumors and Extensive-Stage Small Cell Lung Cancer

NCT00544596•National Cancer Institute (NCI)

View on ClinicalTrials.gov

Summary

This phase I trial is studying the side effects and best dose of R-(-)-gossypol acetic acid when given together with cisplatin and etoposide in treating patients with advanced solid tumors or extensive stage small cell lung cancer. R-(-)-gossypol acetic acid may stop the growth of cancer by blocking blood flow to the tumor. Drugs used in chemotherapy, such as cisplatin and etoposide, work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. Giving R-(-)-gossypol acetic acid together with combination chemotherapy may help kill more tumor cells.

Detailed Description

PRIMARY OBJECTIVES: I. To determine the maximum tolerated dose (MTD) or recommended phase II dose (RP2D) of AT-101 (R-(-)-gossypol) when combined with cisplatin and etoposide in patients with advanced, refractory solid tumors and/or extensive stage small cell lung cancer (ES-SCLC). In addition, to determine the MTD or RP2D of AT-101 when combined with cisplatin, etoposide, and Neulasta. II. To evaluate the toxicity and tolerability of AT-101 in combination with cisplatin and etoposide in patients with advanced, refractory solid tumors and/or ES-SCLC. In addition, evaluate the toxicity and tolerability of AT-101 with cisplatin, etoposide, and Neulasta. III. To evaluate the antitumor activity of this combination per tumor measurements using the Response Evaluation Criteria In Solid Tumors (RECIST) criteria. SECONDARY OBJECTIVES: I. To evaluate the pharmacokinetics of AT-101 as a single agent and in combination with cisplatin and etoposide in plasma. II. To perform pharmacodynamic studies (genotyping of drug metabolizing enzymes, gene expression, and proteomics of drug-related pathways) on archived blood samples from patients treated with AT-101 in combination with cisplatin and etoposide. OUTLINE: This is a dose-escalation study of R-(-)-gossypol. Patients receive oral R-(-)-gossypol twice daily on days 1-3, cisplatin intravenously (IV) over 60 minutes on day 1\*, and etoposide IV over 30 minutes on days 1\*-3. Treatment repeats every 21 days for up to 6 courses during the dose escalation and 4 courses in the expanded extensive stage small cell lung cancer cohort, in the absence of disease progression or unacceptable toxicity. Blood samples are collected on day 1 of courses 1 and 2 for pharmacokinetic analysis, biomarker assays, and correlative studies. After completion of study treatment, patients are followed for 30 days. \[Note: \*Cisplatin and etoposide will be started on day 2 during course 1; they will be given on day 1 during all subsequent courses.\]

Eligibility

Age

18 - No limit years

Sex

ALL

Healthy Volunteers

Inclusion Criteria

•In the dose-escalation cohorts: patients must have histologically confirmed malignancy that is metastatic or unresectable and for which standard curative or palliative measures do not exist or are no longer effective; in the MTD expansion cohort: patients must have histologically or cytologically confirmed extensive-stage small cell lung cancer
•Patients must not have received prior therapy that inhibits the B-cell lymphoma 2 (Bcl-2) family
•Patients with small cell lung cancer may have received prior prophylactic cranial irradiation
•Prior whole brain radiotherapy allowed for patients with brain metastases provided they have stable/improved lesions for at least 1 month following treatment, no neurological symptoms and not require corticosteroids; an magnetic resonance imaging (MRI) of the brain or computed tomography (CT) scan of the head must be performed at baseline if patient has a history of brain metastases
•Eastern Cooperative Oncology Group (ECOG) performance status =\< 2 (Karnofsky \>= 60%)
•Life expectancy of greater than 12 weeks
•Leukocytes \>= 3,000/mcL
•Absolute neutrophil count \>= 1,500/mcL
•Platelets \>= 100,000/mcL
•Total bilirubin \< 1.5 mg/dL
+7 more criteria

Exclusion Criteria

•Patients without small cell lung cancer who have had chemotherapy, radiotherapy or hormonal therapy within 4 weeks (6 weeks for nitrosoureas or mitomycin C) prior to entering the study or those who have not recovered (=\< grade 1) from clinically significant adverse events due to agents administered more than 4 weeks earlier; prior treatment with a platinum-based chemotherapy regimen in combination with thoracic radiation therapy is allowed for patients with ES-SCLC provided that recurrence of the SCLC occurred more than 6 months from definitive therapy for limited-stage small cell lung cancer; no other prior chemotherapy is allowed for the patients with ES-SCLC
•Failure to recover fully (as judged by the investigator) from prior surgical procedures
•Concurrent treatment with an investigational agent other than the investigational agent(s) used in this study OR treatment within 4 weeks of study entry with any investigational agent(s) or device(s)
•Any prior use of racemic gossypol or AT-101
•History of allergic reactions attributed to compounds of similar chemical or biologic composition to AT-101 or other agents used in study
•Requirement for routine use of hematopoietic growth factors (including granulocyte colony stimulating factor, granulocyte macrophage colony stimulating factor, or interleukin-11) or platelet transfusions to maintain absolute neutrophil counts or platelets counts above the required thresholds for study entry; if patient requires routine use of erythropoietin, eligibility at investigator discretion
•Any condition (e.g., gastrointestinal tract disease resulting in an inability to take oral medication or a requirement for IV alimentation, prior surgical procedures affecting absorption, or active peptic ulcer disease) that impairs their ability to swallow and retain AT-101 tablets
•Patients with malabsorption syndrome, disease significantly affecting gastrointestinal function, or resection of the stomach or small bowel are excluded; subjects with ulcerative colitis, inflammatory bowel disease, or a partial or complete small bowel obstruction are also excluded
•Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements
•Pregnant women are excluded from this study because the effects of AT-101 on the developing human fetus are unknown, but could potentially include teratogenic or abortifacient effects; because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with AT-101, breastfeeding should be discontinued if the mother is treated with AT-101; these potential risks may also apply to other agents used in this study
+2 more criteria

Locations (4)

Sanford Cancer Center-Oncology Clinic

Sioux Falls, South Dakota, United States

Gundersen Lutheran

La Crosse, Wisconsin, United States

UW Health Oncology - 1 South Park

Madison, Wisconsin, United States

University of Wisconsin Hospital and Clinics

Madison, Wisconsin, United States

Key Dates

Start Date

September 1, 2007

Primary Completion Date

July 1, 2013

Last Updated

April 2, 2014

Enrollment

ACTUAL participants

Conditions

Extensive Stage Small Cell Lung CancerUnspecified Adult Solid Tumor, Protocol Specific

Interventions

R-(-)-gossypol acetic acid

DRUG

cisplatin

DRUG

etoposide

DRUG

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Data Source & Attribution

This clinical trial information is sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

ClinicalTrials.gov last update: April 2, 2014Data synced to Clareo: March 29, 2026

Modifications: This data has been reformatted for display purposes. Eligibility criteria have been parsed into inclusion/exclusion sections. Location data has been geocoded to enable distance-based search. For the authoritative and most current information, please visit ClinicalTrials.gov.

Neither the United States Government nor Clareo Health make any warranties regarding the data. Check ClinicalTrials.gov frequently for updates.

View ClinicalTrials.gov Terms and Conditions

R-(-)-Gossypol Acetic Acid, Cisplatin, and Etoposide in Treating Patients With Advanced Solid Tumors or Extensive Stage Small Cell Lung Cancer

Inclusion Criteria

Exclusion Criteria

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