SB-649,915 is a
serotonin reuptake inhibitor
A serotonin reuptake inhibitor (SRI) is a type of drug which acts as a reuptake inhibitor of the neurotransmitter serotonin (5-hydroxytryptamine, or 5-HT) by blocking the drug action, action of the serotonin transporter (SERT). This in turn lea ...
and
5-HT1A and
5-HT1B receptor antagonist
An antagonist is a character in a story who is presented as the main enemy or rival of the protagonist and is often depicted as a villain.[antidepressant
Antidepressants are a class of medications used to treat major depressive disorder, anxiety disorders, chronic pain, and addiction.
Common side effects of antidepressants include Xerostomia, dry mouth, weight gain, dizziness, headaches, akathi ...](_b ...<br></span></div> which is being investigated for its <div class=)
effects.
Relative to the
selective serotonin reuptake inhibitor
Selective serotonin reuptake inhibitors (SSRIs) are a class of drugs that are typically used as antidepressants in the treatment of major depressive disorder, anxiety disorders, and other psychological conditions.
SSRIs primarily work by blo ...
s (SSRIs), SB-649,915 has a faster
onset of action
Onset of action is the duration of time it takes for a drug's effects to come to prominence upon administration. With oral administration, it typically ranges anywhere from 20 minutes to over an hour, depending on the drug in question. Other meth ...
and may also have greater clinical efficacy as well.
This can be attributed to blockade of 5-HT
1A and 5-HT
1B autoreceptor
An autoreceptor is a type of Receptor (biochemistry), receptor located in the cell membrane, membranes of neuron, nerve cells. It serves as part of a negative feedback loop in signal transduction. It is only sensitive to the neurotransmitters or ...
s which inhibit
serotonin
Serotonin (), also known as 5-hydroxytryptamine (5-HT), is a monoamine neurotransmitter with a wide range of functions in both the central nervous system (CNS) and also peripheral tissues. It is involved in mood, cognition, reward, learning, ...
release.
See also
*
Elzasonan
Elzasonan (CP-448,187) is a selective 5-HT1B and 5-HT1D receptor antagonist that was under development by Pfizer for the treatment of depression but was discontinued, possibly due to poor efficacy. By preferentially blocking 5-HT1B and 5-HT1D ...
*
LY-367,265
LY-367,265 is a drug of the tetrahydropyridinylindole group developed by Eli Lilly, which acts as both a potent and selective antagonist at the serotonin 5-HT2A receptor, and also a selective serotonin reuptake inhibitor (SSRI). It has antidepr ...
References
{{Serotonin receptor modulators
5-HT1 antagonists
Benzoxazines
Piperidines
Quinolines
Selective serotonin reuptake inhibitors
Lactams
Phenol ethers