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About
Phase I trial to study the effectiveness of combining UCN-01 with gemcitabine in treating patients who have unresectable or metastatic pancreatic cancer. Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. UCN-01 may help gemcitabine kill more cancer cells by making tumor cells more sensitive to the drug
Full description
PRIMARY OBJECTIVES:
I. To determine the safety and toxicity profile of UCN-01 when given in combination with gemcitabine to patients with unresectable or metastatic adenocarcinoma of the pancreas.
II. To characterize the pharmacokinetic profiles of gemcitabine and UCN-01 when given in combination and to correlate various measurements of UCN-01 with intracellular concentrations.
III. To determine recommended doses of UCN-01 and gemcitabine in combination to be used in a planned subsequent phase II trial.
SECONDARY OBJECTIVES:
I. To record the frequency, extent, and duration of any tumor responses. II. To correlate serum alpha-1 acid glycoprotein (AGP) levels with UCN-01 pharmacokinetics and toxicity.
OUTLINE: This is a dose-escalation study.
Patients receive gemcitabine IV over 1-2 hours on days 1 and 8 followed by UCN-01 IV over 3 hours on day 1. Courses repeat every 3 weeks in the absence of disease progression or unacceptable toxicity. Sequential dose escalation of UCN-01 is followed by sequential dose escalation of gemcitabine.
Cohorts of 3-6 patients receive escalating doses of UCN-01 and then gemcitabine until the maximum tolerated dose (MTD) of the combination is determined. The MTD is defined as the dose preceding that at which at least 2 of 3 or 2 of 6 patients experience dose-limiting toxicity. Once the MTD is determined, at least 6 patients are treated at the recommended phase II dose.
Enrollment
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Inclusion and exclusion criteria
Inclusion Criteria:
Histologically or cytologically confirmed unresectable or metastatic adenocarcinoma of the pancreas
Unidimensionally measurable disease
No known brain metastases
Performance status - ECOG 0-2
Performance status - Karnofsky 60-100%
More than 3 months
WBC at least 3,000/mm^3
Absolute neutrophil count at least 1,500/mm^3
Platelet count greater than 100,000/mm^3
Bilirubin no greater than 1.5 mg/dL
ALT and AST no greater than 2.5 times upper limit of normal
Creatinine normal
Creatinine clearance at least 60 mL/min
No prior coronary artery disease
No symptomatic cardiac dysfunction
No prior myocardial infarction
No active angina (even if controlled by medication)
No positive stress test
No uncontrolled arrhythmia
Left ventricular ejection fraction at least 45%
Patients with symptoms suggestive of coronary artery disease or arrhythmia must have no evidence of cardiac pathology
No symptomatic pulmonary dysfunction
Not pregnant or nursing
Negative pregnancy test
Fertile patients must use effective contraception during and for 3 months after study participation
No prior allergic reactions attributed to compounds of similar chemical or biological composition to UCN-01 or other study agents
No insulin-dependent diabetes mellitus
No other concurrent uncontrolled illness
No ongoing or active infections
No concurrent psychiatric illness
No other active malignancy
No other solid tumor within the past 5 years except neoplasia in situ or nonmelanomatous skin cancer
No social situations that would preclude study compliance
No concurrent over-the-counter biologics
No concurrent growth factors during the first study course
At least 4 weeks since prior chemotherapy (6 weeks for nitrosoureas or mitomycin) and recovered
No more than 2 prior chemotherapy regimens (e.g., gemcitabine and/or experimental agents) alone or in combination with radiotherapy as neoadjuvant or adjuvant therapy for resectable, unresectable, or metastatic disease
See Chemotherapy
At least 6 weeks since prior radiotherapy and recovered
Prior radiotherapy directed only at the primary tumor bed allowed
No prior radiotherapy to the mediastinum, pelvis, lower spine, or more than 20% of bone marrow
At least 4 weeks since prior major surgery
At least 4 weeks since prior investigational agents
Concurrent enrollment in non-therapy trials (e.g., quality of life) allowed
No concurrent herbal remedies
No concurrent treatment for another active malignancy
No concurrent warfarin for anticoagulation
No concurrent combination antiretroviral therapy for HIV-positive patients
No other concurrent investigational or commercial anticancer agents or therapies
Primary purpose
Allocation
Interventional model
Masking
30 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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