Aptazapine

DB09305ExperimentalSmall molecule

Aptazapine (CGS-7525A) was a tetracyclic antidepressant developed in the 1980s. Aptazapine had noradrenergic and specific serotonergic activity. It antagonised α2 adrenergic receptors approximately 10 times more effectively than mianserin, antagonised... Although Aptazapine reached clinical trials, it was never marketed.

Chemical structure of Aptazapine
Primary indication
Investigated for the treatment of depression.Curator reviewed
Formula / weight
C16H19N3 · 253.349 g/mol (avg)
Code names
CGS-7525A

Resolves to

Structure
InChIKeyMNHDDERDSNZCCK-UHFFFAOYSA-NSMILESCN1CCN2C(C1)C1=CC=CN1CC1=C2C=CC=C1

What you can answer from here — as of August 30, 2026

32Drug interactionsStructured to mechanism, not free text
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2+ReferencesStructured and connected to the statements they support
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Which companies are running trials of Aptazapine, in which indications and phases, and which of those programs are still active?

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