The present invention relates to the compound of formula (1a) wherein p is 1 or 2, R.sup.1-R.sup.4 are hydrogen atom or the like, Ring A is cycloalkylene or the like, L is single bond or the like, and R is methyl or the like, or a pharmaceutically acceptable salt thereof, which has an anticancer effect by inhibiting the binding between a MLL fusion protein that is fused with AF4, AF9, or the like, which is a representative fusion partner gene causing MLL leukemia, and menin.

##STR00001##

The present invention provides a BET (protein) degrader, specifically a BET degrader containing a compound represented by formula (I) or a pharmaceutically acceptable salt thereof:

##STR00001##

wherein L1 and L2 are the same or different and each represents a small molecular ligand for BET protein, and S represents a group represented by a formula selected from the group consisting of formulas (S1) to (S18).

An antitumor formulation comprising a biphenyl compound having LSD1 inhibitory activity or a salt thereof and one or more other antitumor agents that are administered in combination, the compound being represented by Formula (I): ##STR00001##
wherein ring A, ring B, R1 to R6, l, m, and n are as defined in the specification.

An antitumor formulation comprising a biphenyl compound having LSD1 inhibitory activity or a salt thereof and one or more other antitumor agents that are administered in combination, the compound being represented by Formula (I): ##STR00001##
wherein ring A, ring B, R1 to R6, l, m, and n are as defined in the specification.

The invention described herein relates to therapeutic dosing regimens comprising administering venetoclax in combination with azacitidine and a CYP3A inhibitor for treating myelodysplastic syndromes (MDS).

The invention described herein relates to therapeutic dosing regimens comprising administering venetoclax in combination with azacitidine and a CYP3A inhibitor for treating myelodysplastic syndromes (MDS).

Provided herein are compounds of Formula (I), or pharmaceutically acceptable salts thereof, pharmaceutical compositions that include a compound described herein (including pharmaceutically acceptable salts of a compound described herein) and methods of synthesizing the same. Also provided herein are methods of treating diseases and/or conditions with a compound of Formula (I), or a pharmaceutically acceptable salt thereof.

Provided herein are compounds of Formula (I), or pharmaceutically acceptable salts thereof, pharmaceutical compositions that include a compound described herein (including pharmaceutically acceptable salts of a compound described herein) and methods of synthesizing the same. Also provided herein are methods of treating diseases and/or conditions with a compound of Formula (I), or a pharmaceutically acceptable salt thereof.

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.