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RATIONALE: Drugs used in chemotherapy use different ways to stop cancer cells from dividing so they stop growing or die.
OBJECTIVES: I. Determine the response rate in asymptomatic patients with stage 0, I, or II B-cell chronic lymphocytic leukemia treated with theophylline. II. Determine the toxicity of this treatment in these patients.
OUTLINE: Patients receive oral theophylline daily. Daily treatment continues for a maximum of 6 months in the absence of disease progression or unacceptable toxicity. Patients are followed every 4 months for 1 year.
PROJECTED ACCRUAL: A total of 35 patients will be accrued for this study over approximately 10 months.
Primary Purpose: Treatment
CCOP - Scottsdale Oncology Program
National Cancer Institute (NCI)
Published on BioPortfolio: 2014-07-24T14:35:55-0400
Pseudohypoparathyroidism is a genetic disorder with limited treatment options. Patients have early-onset obesity, short stature and increased risk of type 2 diabetes. This phase 2 clinical...
In a prior in vitro study using human hepatocytes quinine was shown to induce the activity of Cytochrome p450 CYP 1A2. The present study will evaluate the extent to which quinine sulfate-r...
Colchicine is a supressor of hepatic CYP1A2 and theophylline is a sensitive CYP1A2 probe substrate. When the two are co-administered the potential exists for a clinically significant drug...
The aim of this multi-centre, double blind, randomised, controlled trial (DBRCT) is to assess the effect of low dose theophylline, singly and in combination with low dose oral prednisone, ...
This will be a prospective randomized double-blinded parallel group clinical trial evaluating the short-term effects of theophylline therapy on exercise duration and lung function in patie...
Background Theophylline has a narrow therapeutic range and large interindividual variability in blood levels, so a thorough understanding of its pharmacokinetic characteristics is essential. Populati...
Adipose tissues in obese individuals are characterized by a state of chronic low-grade inflammation. Pre-adipocytes and adipocytes in this state secrete pro-inflammatory adipokines, such as interleuki...
The aim of this report is to describe a case of atrial fibrillation and shock precipitated by deliberate self-poisoning with theophylline.
Caffeine has been considered a neuroprotective agent against Parkinson's disease (PD). Recent metabolomic analysis showed that levels of caffeine and its metabolites were decreased in sera from patien...
Theophylline, one of the most commonly used bronchodilators and respiratory stimulators for the treatment of acute and chronic asthmatic conditions, can cause permanent neurological damage through chr...
A drug combination that contains THEOPHYLLINE and ethylenediamine. It is more soluble in water than theophylline but has similar pharmacologic actions. It's most common use is in bronchial asthma, but it has been investigated for several other applications.
A methyl xanthine derivative from tea with diuretic, smooth muscle relaxant, bronchial dilation, cardiac and central nervous system stimulant activities. Theophylline inhibits the 3',5'-CYCLIC NUCLEOTIDE PHOSPHODIESTERASE that degrades CYCLIC AMP thus potentiates the actions of agents that act through ADENYLATE CYCLASE and cyclic AMP.
A replication-defective strain of Murine leukemia virus (LEUKEMIA VIRUS, MURINE) capable of transforming lymphoid cells and producing a rapidly progressing lymphoid leukemia after superinfection with FRIEND MURINE LEUKEMIA VIRUS; MOLONEY MURINE LEUKEMIA VIRUS; or RAUSCHER VIRUS.
A strain of Murine leukemia virus (LEUKEMIA VIRUS, MURINE) producing leukemia of the reticulum-cell type with massive infiltration of liver, spleen, and bone marrow. It infects DBA/2 and Swiss mice.
A strain of Murine leukemia virus (LEUKEMIA VIRUS, MURINE) arising during the propagation of S37 mouse sarcoma, and causing lymphoid leukemia in mice. It also infects rats and newborn hamsters. It is apparently transmitted to embryos in utero and to newborns through mother's milk.
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In a clinical trial or interventional study, participants receive specific interventions according to the research plan or protocol created by the investigators. These interventions may be medical products, such as drugs or devices; procedures; or change...