Therapeutic methods and pharmaceutical compositions for treating a cancer, including a B cell hematological malignancy selected from the group consisting of chronic lymphocytic leukemia (CLL), small lymphocytic leukemia (SLL), non-Hodgkin's lymphoma (NHL), diffuse large B cell lymphoma (DLBCL), follicular lymphoma (FL), mantle cell lymphoma (MCL), Hodgkin's lymphoma, B cell acute lymphoblastic leukemia (B-ALL), Burkitt's lymphoma, and Waldenström's macroglobulinemia (WM).

The use of glutamate 2b receptor antagonists and sigma receptor agonists as antitussives to treat or prevent a cough is disclosed. In preferred embodiments, the glutamate 2b receptor antagonist is ifenprodil or radiprodil. Preferred sigma receptor agonists include fluvoxamine, fluoxetine, excitalpram, and donepezil.

The present invention provides implants comprising a therapeutic drug and a polymer containing polylactic acid (PLA) and optionally polyglycolic acid (PGA). The present invention also provides methods of maintaining a therapeutic level of a drug in a subject, releasing a therapeutic drug at a substantially linear rate, and treating schizophrenia and other diseases and disorders, utilizing implants of the present invention.

The present invention provides implants comprising a therapeutic drug and a polymer containing polylactic acid (PLA) and optionally polyglycolic acid (PGA). The present invention also provides methods of maintaining a therapeutic level of a drug in a subject, releasing a therapeutic drug at a substantially linear rate, and treating schizophrenia and other diseases and disorders, utilizing implants of the present invention.

A P2X.sub.4 receptor antagonist such as paroxetine, a diazepinedione derivative having the following formula (IX) is used as an agent for preventing or treating neuropathic pain associated with Guillain-Barré syndrome:

##STR00001##

wherein R.sup.1 is hydrogen, a C.sub.1-8 alkyl group, or the like; each R.sup.2 and R.sup.3 is hydrogen, a C.sub.1-8 alkyl group, or the like; each of R.sup.4 and R.sup.5 is hydrogen or the like; and W is a five-membered or six-membered heterocyclic ring optionally having one or more substituents and comprising one to four nitrogen atoms as the members of the ring.

A P2X.sub.4 receptor antagonist such as paroxetine, a diazepinedione derivative having the following formula (IX) is used as an agent for preventing or treating neuropathic pain associated with Guillain-Barré syndrome:

##STR00001##

wherein R.sup.1 is hydrogen, a C.sub.1-8 alkyl group, or the like; each R.sup.2 and R.sup.3 is hydrogen, a C.sub.1-8 alkyl group, or the like; each of R.sup.4 and R.sup.5 is hydrogen or the like; and W is a five-membered or six-membered heterocyclic ring optionally having one or more substituents and comprising one to four nitrogen atoms as the members of the ring.

The present invention relates to a pharmaceutical composition for use in the treatment and/or prevention of a central nervous system disorder, comprising a compound of formula (I):

##STR00001##

or any salt, derivative, isotope or mixture thereof, and at least one pharmaceutically acceptable excipient.

A non-cellular root canal filler comprises a tetrahydroisoquinoline compound or a pharmaceutically acceptable salt thereof, or a solvate of the compound or the salt, and a dental tissue regeneration promotion kit comprises a pretreatment agent comprising a serine protease, and the non-cellular root canal filler.

A composition for preventing and/or treating pancreatitis and a method of prevention and/or treatment of pancreatitis are disclosed. The composition include an aryl ethene compound, a pharmaceutically acceptable salt thereof, or a solvate thereof, as an active ingredient. Also disclosed is a use of the aryl ethene compound, a pharmaceutically acceptable salt thereof, or a solvate thereof, in manufacturing a medicament for preventing and/or treating pancreatitis or for treating one or more symptoms of pancreatitis in a patient. The method of prevention and/or treatment of pancreatitis includes administering the aryl ethene compound, an isomer, a pharmaceutically acceptable salt thereof, or a solvate thereof, in an effective amount to a subject in need thereof.

Compounds are provided that are modulators of the C5a receptor. The compounds are substituted piperidines and are useful in pharmaceutical compositions, methods for the treatment of diseases and disorders involving the pathologic activation of C5a receptors.