Investigated for use/treatment in sleep disorders, smoking cessation, and substance abuse.

Investigated for use/treatment in bladder cancer, lymphoma (unspecified), multiple myeloma, paget's disease, and prostate cancer.

Investigated for use/treatment in asthma, depression, and irritable bowel syndrome (IBS).

Investigated for use/treatment in bulimia, depression, and obsessive-compulsive disorders.

Investigated for use/treatment in depression.

Investigated for use/treatment in breast cancer and lung cancer.

Investigated for use/treatment in bipolar disorders, depression, kidney disease, metabolic disease, and pediatric indications.

Investigated for use/treatment in adverse effects (chemotherapy), cancer/tumors (unspecified), diabetic foot ulcers, lung cancer, solid tumors, and ulcers.

Investigated for use/treatment in melanoma.

Investigated for use/treatment in brain cancer, cancer/tumors (unspecified), lung cancer, and lymphoma (non-hodgkin's).

Investigated for use/treatment in allergic rhinitis.

Investigated for use/treatment in peripheral vascular disease.

Investigated for use/treatment in asthma and chronic obstructive pulmonary disease (COPD).

Investigated for use/treatment in addictions, dementia, parkinson's disease, schizophrenia and schizoaffective disorders, and strokes.

Investigated for use/treatment in congestive heart failure and diabetes mellitus type 2.

Investigated for use/treatment in lymphoma (unspecified), melanoma, and solid tumors.

Investigated for use/treatment in HIV infection.

Investigated for use/treatment in adverse effects (chemotherapy).

Investigated for use/treatment in colorectal cancer and solid tumors.

Investigated for use/treatment in leukemia (lymphoid).