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Other names | AEVI-001; AEVI-004; LAM-105; MDGN-001; NB-001; NFC-1; NS-105; (5R)-5-Oxo-D-prolinepiperidinamide |
Routes of administration | Oral |
Drug class | Racetam |
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Pharmacokinetic data | |
Bioavailability | 79–97% (animals) [1] |
Elimination half-life | 4–6.5 hours [1] |
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Chemical and physical data | |
Formula | C10H16N2O2 |
Molar mass | 196.250 g·mol−1 |
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Fasoracetam (INN ) is an experimental drug of the racetam group which was never marketed. [1] [2] [3] It is a putative nootropic that failed to show sufficient efficacy in clinical trials for vascular dementia. [3] The drug was also subsequently repurposed for treatment of a variety of other conditions, such as attention deficit hyperactivity disorder (ADHD), but effectiveness for ADHD was disappointing [4] and development of fasoracetam for most other conditions has been discontinued as well. [5] [6] [7] [8] In any case, it remains under development for treatment of DiGeorge syndrome. [6]
Fasoracetam appears to modulate and stimulate all three groups of metabotropic glutamate receptors (mGluRs). [3] [1] It has been found to improve certain aspects of cognitive function in rodent studies. [3] [1] The drug is orally bioavailable and is excreted mostly unchanged in urine. [1] [3]
Fasoracetam is a racetam and a derivative of pyroglutamic acid. [1] [2]
Fasoracetam was developed in the late 1980s. [3] It was discovered by scientists at the Japanese pharmaceutical company Nippon Shinyaku, which brought it through Phase 3 clinical trials for vascular dementia, and abandoned it due to lack of efficacy. [3] [9] Subsequently, fasoracetam was repurposed for treatment of ADHD and other indications. [3] [5] [6] [7]
Scientists at Children's Hospital of Philadelphia led by Hakon Hakonarson have studied fasoracetam's potential use in attention deficit hyperactivity disorder. [3] Hakonarson's company neuroFix tried to bring the drug to market for this use; neuroFix acquired Nippon Shinyaku's clinical data as part of its efforts. [9] [10] neuroFix was acquired by Medgenics in 2015. [10] Medgenics changed its name to Aevi Genomic Medicine in 2016. [11]
Clinical trials in adolescents with ADHD who also have mGluR mutations started in 2016. [10] While fasoracetam may be effective in the treatment of ADHD in people with specific mGluR mutations, these represent around 10% of total ADHD cases, and fasoracetam is likely ineffective in all other cases. [12] [13] Studies showing improvements in cognitive function from fasoracetam have exclusively been done on rodents. [12]
Fasoracetam is a schedule 4 substance in Australia under the Poisons Standard (February 2020). [14] A schedule 4 substance is classified as "Prescription Only Medicine, or Prescription Animal Remedy – Substances, the use or supply of which should be by or on the order of persons permitted by State or Territory legislation to prescribe and should be available from a pharmacist on prescription." [14]
Fasoracetam was originally developed for treatment of cognitive impairment related to dementia. [3] It reached phase 3 clinical trials for this indication. [3] However, development was discontinued due to lack of effectiveness and fasoracetam was never marketed. [3]
Fasoracetam (developmental code names AEVI-001, LAM-105, MDGN-001, NFC-1, NS-105) was under development by Avalo Therapeutics (previously Cerecor) for the treatment of attention deficit hyperactivity disorder (ADHD), autistic disorder, cognition disorders, DiGeorge syndrome, and major depressive disorder. [5] However, development for all indications was discontinued by 2018. [5] The drug (developmental code name NB-001) is also under development by Nobias Therapeutics for the treatment of DiGeorge syndrome and is in phase 2 clinical trials for this use as of October 2023. [6] A co-crystallized form of fasoracetam (developmental code name AEVI-004) is under development by Avalo Therapeutics for the treatment of ADHD, autistic disorder, and epilepsy as well. [7] However, no recent development has been reported for these indications as of April 2023. [7] Pharmaceutical developmental code names of fasoracetam include
The results of clinical studies of fasoracetam for ADHD have been disappointing. [4]
Atomoxetine, sold under the brand name Strattera, is a selective norepinephrine reuptake inhibitor medication used to treat attention deficit hyperactivity disorder (ADHD) and, to a lesser extent, cognitive disengagement syndrome. It may be used alone or along with psychostimulants. It enhances the executive functions of self-motivation, sustained attention, inhibition, working memory, reaction time and emotional self-regulation. Use of atomoxetine is only recommended for those who are at least six years old. It is taken orally. The effectiveness of atomoxetine is comparable to the commonly prescribed stimulant medication methylphenidate.
Nootropics, colloquially brain supplements, smart drugs and cognitive enhancers, are natural, semisynthetic or synthetic compounds which purportedly improve cognitive functions, such as executive functions, attention or memory.
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Aniracetam, also known as N-anisoyl-2-pyrrolidinone, is a racetam which is sold in Europe as a prescription drug. It is not approved by the Food and Drug Administration for use in the United States as a prescription medication or dietary supplement. Despite the FDA's lack of approval, the drug is readily available over-the-counter in misbranded dietary supplements.
Oxiracetam is a nootropic drug of the racetam family and a very mild stimulant. Several studies suggest that the substance is safe even when high doses are consumed for a long period of time. However, the mechanism of action of the racetam drug family is still a matter of research. Oxiracetam is not approved by Food and Drug Administration for any medical use in the United States.
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Racetams, also sometimes known simply as pyrrolidones, are a class of drugs that share a pyrrolidone nucleus. Many, but not all, specifically have a 2-oxo-1-pyrrolidine acetamide (piracetam) nucleus. Some racetams, such as piracetam, aniracetam, oxiracetam, pramiracetam, and phenylpiracetam, are considered nootropics. Phenylpiracetam is also a stimulant. Others, such as levetiracetam, brivaracetam, and seletracetam, are anticonvulsants.
Phenylpiracetam, also known as fonturacetam and sold under the brand names Phenotropil, Actitropil, and Carphedon among others, is a stimulant and nootropic medication used in Russia and certain other Eastern European countries in the treatment of cerebrovascular deficiency, depression, apathy, and attention, and memory problems, among other indications. It is also used in Russian cosmonauts to improve physical, mental, and cognitive abilities. The drug is taken by mouth.
Attention deficit hyperactivity disorder management options are evidence-based practices with established treatment efficacy for ADHD. Approaches that have been evaluated in the management of ADHD symptoms include FDA-approved pharmacologic treatment and other pharmaceutical agents, psychological or behavioral approaches, combined pharmacological and behavioral approaches, cognitive training, neurofeedback, neurostimulation, physical exercise, nutrition and supplements, integrative medicine, parent support, and school interventions. Based on two 2024 systematic reviews of the literature, FDA-approved medications and to a lesser extent psychosocial interventions have been shown to improve core ADHD symptoms compared to control groups.
Mesocarb, sold under the brand name Sidnocarb or Sydnocarb and known by the developmental code name MLR-1017, is a psychostimulant medication which has been used in the treatment of psychiatric disorders and for a number of other indications in the Soviet Union and Russia. It is currently under development for the treatment of Parkinson's disease and sleep disorders. It is taken by mouth.
Ispronicline is an experimental drug which acts as a partial agonist at neural nicotinic acetylcholine receptors. It progressed to phase II clinical trials for the treatment of dementia and Alzheimer's disease, but is no longer under development.
ABT-418 is a drug developed by Abbott, that has nootropic, neuroprotective and anxiolytic effects, and has been researched for treatment of both Alzheimer's disease and ADHD. It acts as an agonist at neural nicotinic acetylcholine receptors, subtype-selective binding with high affinity to the α4β2, α7/5-HT3, and α2β2 nicotinic acetylcholine receptors but not α3β4 receptors ABT-418 was reasonably effective for both applications and fairly well tolerated, but produced some side effects, principally nausea, and it is unclear whether ABT-418 itself will proceed to clinical development or if another similar drug will be used instead.
Eltoprazine is a serotonergic drug of the phenylpiperazine class which is described as a serenic or antiaggressive agent. It acts as an agonist of the serotonin 5-HT1A and 5-HT1B receptors and as an antagonist of the serotonin 5-HT2C receptor. The drug is closely related to fluprazine and batoprazine, which are similarly acting agents, and is also a known chemical precursor to S-15535 and lecozotan. Eltoprazine is or was under development for the treatment of aggression, attention deficit hyperactivity disorder (ADHD), cognition disorders, and drug-induced dyskinesia, but no recent development has been reported for these indications as of February 2022. It was also under development for the treatment of psychotic disorders, but development for this indication was discontinued. Eltoprazine was originated by Solvay and was developed by Elto Pharma, PsychoGenics, and Solvay.
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Centanafadine (INN) (former developmental code name EB-1020) is a serotonin-norepinephrine-dopamine reuptake inhibitor (SNDRI) that began its development with Euthymics Bioscience after they acquired DOV Pharmaceutical. It was developed as a treatment for attention-deficit hyperactivity disorder (ADHD) and inhibits the reuptake of norepinephrine, dopamine, and serotonin with an IC50 ratio of 1:6:14, respectively. In 2011, Euthymics Bioscience spun off its development of centanafadine to a new company called Neurovance. In March 2017, Otsuka Pharmaceutical acquired Neurovance and the rights to centanafadine. As of January 2018, Otsuka's pipeline indicates it is in Phase II and III clinical trials for a number of different applications to medical conditions.
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