1.	Theophylline in Treating Cancer Patients With Shortness of Breath Phase: Phase III Type: Supportive care Status: Completed Age: 16 and over Sponsor: Other Protocol IDs: SC14, CAN-NCIC-SC14, CDR0000066786, NCT00003684
2.	Differentiation Induction in Acute Myelogenous Leukemia Phase: Phase II, Phase I Type: Treatment Status: Closed Age: 18 and over Sponsor: Other Protocol IDs: REK-Vestnr21503, NCT00175812
3.	Phase II Study of Theophylline in Asymptomatic Patients With Stage 0, I, or II B-cell Chronic Lymphocytic Leukemia Previously Untreated With Chemotherapy (Summary Last Modified 04/2000) Phase: Phase II Type: Treatment Status: Completed Age: 18 and over Sponsor: NCI Protocol IDs: E-4998, NCCTG-988151, NCT00003808, E4998
4.	Phase II Trial of HMBA with Albuterol/Theophylline in Patients with Advanced non-Small Cell Lung Cancer (Summary Last Modified 11/91) Phase: Phase II Type: Treatment Status: Completed Age: 18 and over Sponsor: NCI Protocol IDs: MSKCC-90174A3, NCI-T90-0240D, T90-0240
5.	All-trans Retinoic Acid, and Arsenic +/- Gemtuzumab Phase: Phase II Type: Treatment Status: Closed Age: Not specified Sponsor: Other Protocol IDs: 2006-0706, NCT00413166
6.	A Drug-Drug Interaction Study of Abiraterone Acetate Plus Prednisone With Dextromethorphan and Theophylline in Patients With Metastatic Castration-Resistant Prostate Cancer Phase: Phase I Type: Treatment Status: Completed Age: 18 and over Sponsor: Pharmaceutical / Industry Protocol IDs: CR017128, COU-AA-015, NCT01017939