Desmethylsertraline
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Desmethylsertraline (DMS), also known as norsertraline, is an
active metabolite An active metabolite, or pharmacologically active metabolite is a biologically active metabolite of a xenobiotic substance, such as a drug or environmental chemical. Active metabolites may produce therapeutic effects, as well as harmful effects. ...
of the
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 ...
drug A drug is any chemical substance other than a nutrient or an essential dietary ingredient, which, when administered to a living organism, produces a biological effect. Consumption of drugs can be via insufflation (medicine), inhalation, drug i ...
sertraline Sertraline, sold under the brand name Zoloft among others, is an Antidepressant, antidepressant medication of the selective serotonin reuptake inhibitor (SSRI) class used to treat major depressive disorder, generalized anxiety disorder, socia ...
. Like sertraline, desmethylsertraline acts as a
monoamine reuptake inhibitor A monoamine reuptake inhibitor (MRI) is a drug that acts as a reuptake inhibitor of one or more of the three major monoamine neurotransmitters serotonin, norepinephrine, and dopamine by blocking the action of one or more of the respective monoamin ...
, and may be responsible for some of its parent's therapeutic benefits; however, the effects of DMS's main activity of increasing serotonin levels via binding to the serotonin transporter appears to be negligible as in vivo testing showed no measurable change in brain activity despite a nearly 20-fold increase in DMS blood levels compared to the EC50 (i.e. the amount required to achieve the desired effect in 50% of the population) of its parent drug sertraline. DMS is significantly less potent relative to sertraline as 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 ...
(''K''i = 76 nM vs. 3 nM, respectively), but conversely, is more balanced as a monoamine reuptake inhibitor (
5-HT 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, ...
(''K''i) = 76 nM; NE (''K''i) = 420 nM; DA (''K''i) = 440 nM), which has the effective result of DMS contrarily behaving as a serotonin-norepinephrine-dopamine reuptake inhibitor (SNDRI), with about 5.5-fold preference for inhibiting
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, ...
reuptake Reuptake is the reabsorption of a neurotransmitter by a neurotransmitter transporter located along the plasma membrane of an axon terminal (i.e., the pre-synaptic neuron at a synapse) or glial cell after it has performed its function of transmi ...
relative to
catecholamine A catecholamine (; abbreviated CA), most typically a 3,4-dihydroxyphenethylamine, is a monoamine neurotransmitter, an organic compound that has a catechol (benzene with two hydroxyl side groups next to each other) and a side-chain amine. Cate ...
reuptake.
Dasotraline Dasotraline (INN; former developmental code name SEP-225,289) is a serotonin-norepinephrine-dopamine reuptake inhibitor (SNDRI) that was under development by Sunovion for the treatment of attention-deficit hyperactivity disorder (ADHD) and bin ...
, a
stereoisomer In stereochemistry, stereoisomerism, or spatial isomerism, is a form of isomerism in which molecules have the same molecular formula and sequence of bonded atoms (constitution), but differ in the three-dimensional orientations of their atoms in ...
of DMS, is also an SNDRI, and has been investigated for the potential clinical treatment of
major depressive disorder Major depressive disorder (MDD), also known as clinical depression, is a mental disorder characterized by at least two weeks of pervasive depression (mood), low mood, low self-esteem, and anhedonia, loss of interest or pleasure in normally ...
, attention-deficit disorder, and
eating disorder An eating disorder is a mental disorder defined by abnormal eating behaviors that adversely affect a person's health, physical or mental health, mental health. These behaviors may include eating too much food or too little food. Types of eatin ...
s, but has not been approved or marketed for any indication.


See also

*
Desmethylcitalopram Desmethylcitalopram is an active metabolite of the antidepressant drugs citalopram (racemic) and escitalopram (the ''S''-enantiomer, which would be called desmethylescitalopram). Like citalopram and escitalopram, desmethylcitalopram functions as ...
* Desmethylvenlafaxine *
Didesmethylcitalopram Didesmethylcitalopram is an active metabolite of the antidepressant drug citalopram (racemic). Didesmethyl''es''citalopram is an active metabolite of the antidepressant escitalopram, the ''S''-enantiomer of citalopram. Like citalopram and escitalo ...
*
Indatraline Indatraline hydrochloride (Lu 19-005) is an antidepressive agent and non-selective monoamine transporter inhibitor that blocks the reuptake of dopamine, norepinephrine, and serotonin with similar efficacy to cocaine. This compound may be used t ...
*
Lometraline Lometraline (International Nonproprietary Name, INN; developmental code name CP-14,368) is a drug and an aminotetralin chemical derivative, derivative. A structural modification of tricyclic compound, tricyclic neuroleptics, lometraline was origi ...
*
Norfluoxetine Seproxetine, also known as (''S'')-norfluoxetine, is a selective serotonin reuptake inhibitor (SSRI). It is the ''S'' enantiomer of norfluoxetine, the main active metabolite of the widely used antidepressant fluoxetine; it is nearly 4 times more ...
*
Tametraline Tametraline (CP-24,441) is the parent of a series of chemical compounds investigated at Pfizer that eventually led to the development of sertraline. Sertraline has been called "3,4-dichloro-tametraline". This is correct but it is an oversimplifi ...


References

{{Monoamine reuptake inhibitors 1-Aminotetralins Chlorobenzene derivatives Human drug metabolites Serotonin–norepinephrine–dopamine reuptake inhibitors