Xi'an Sonwu Biotech Co., Ltd. is one of the most professional manufacturers and suppliers of osavampator powder in China. We warmly welcome yuo to wholesale bulk osavampator powder for sale here from our factory. Quality products and reasonable price are available.
What Is An Osavampator
Osavampator powder, also known as TAK-653 powder or NBI-1065845 powder, is a small-molecule compound under development for the treatment of neurological and psychiatric disorders. It belongs to a class of compounds called AMPA receptor positive allosteric modulators (AMPA PAMs). Osavampator, in contrast to direct receptor agonists, only increases AMPA receptor activity when the natural neurotransmitter glutamate is present. This may improve synaptic communication while lowering the possibility of receptor overactivation. Major depressive disorder (MDD) is the main condition for which NBI-1065845 is used, especially as an adjuvant treatment for individuals who do not react well to other antidepressants. Preclinical and early clinical research has also looked at this compound's possible impact on neuropsychiatric diseases and cognitive performance. In contrast to traditional antidepressants that mainly target monoamine neurotransmitters, early research indicates that increasing AMPA receptor activation may enhance mood and cognitive performance rather quickly.

Clinical trials have evaluated the safety, tolerability, pharmacokinetics, and preliminary efficacy of it. Current data indicate that the compound was generally well-tolerated in the study population, but further studies are needed to fully determine its long-term safety and therapeutic benefits. Osawapatox is currently still in the investigational stage and has not yet received widespread regulatory approval for routine clinical use. If you need Osavampator, Xi'an Sonwu can supply it. Xi'an Sonwu is looking forward to hearing from you.
Certificate Of Analysis
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TEST ITEMS |
SPECIFICATION |
RESULT |
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Aρpearance |
White to yellow powder |
Conforms |
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Solubility |
Slightly soluble in chlorofom and 96% ethyl alcohol, practically insoluble in water |
Conforms |
|
Identification |
IR |
Conforms |
|
UV |
Conforms |
|
|
Should show positive reaction of chlorides and bromides |
Conforms |
|
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Related substance |
Single impurity≤0.5% |
Conforms |
|
Total impurities≤5.0% |
Conforms |
|
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Moisture content |
3.0%~~4.0% |
3.7% |
|
Residue on ignition |
≤0. 1% |
Conforms |
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Heavy metal |
≤10ppm |
Conforms |
|
Residual solvents |
NMT 0.4% |
0.02% |
|
Assay |
99%~ 101% |
99.6% |
|
Conclusion |
Conforming to Enterprise Standard |
|
TAK-653 Buy Online
Xi'an Sonwu Biotech Co., Ltd. has extensive experience in global trade and the healthcare industry. Insisting on faith-based, quality-first principles is our guiding principle. We strictly control product quality, which means selection begins with the raw materials. Additionally, we attend to every detail and minimize costs, allowing our customers to obtain cost-effective products. Based on this, customers have given a lot of good feedback about our products. When purchasing Osavampator, look for Xi'an Sonwu Biotech Co., Ltd.
Xi'an Sonwu ensures product quality and can provide samples upon request. Here is the quantity.
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Osavampator Form |
Sample Amount |
MOQ |
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Powder |
1g |
1g |
Customers' Good Comment

OEM Service
Xi'an Sonwu can supply high-quality Osavampator powder.
So customers can customize the capsules they want. The items below can be supplied.
Customized bottles(size, color, material, style)
Customized packaging(vacuum foil packaging, box, drum)
Customized label(paint film, matte film, optical mask)
Osavampator Mechanism Of Action
TAK-653 is a positive allosteric modulator (PAM) of the α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor. Rather than directly activating the receptor, it binds to an allosteric site on the AMPA receptor and enhances the receptor's response to the endogenous neurotransmitter glutamate. This mechanism increases excitatory synaptic transmission while maintaining normal physiological regulation, thereby reducing the risk of excessive receptor activation.
It enhances synaptic plasticity, an essential mechanism for learning, memory, and adaptive brain function, by amplifying AMPA receptor activation. The release of brain-derived neurotrophic factor (BDNF) and the activation of signaling cascades linked to neuronal survival, synaptic remodeling, and neuroplasticity are among the downstream intracellular signaling pathways that are enhanced by increased AMPA receptor activity. Its possible antidepressant and cognitive-enhancing qualities are thought to be influenced by these effects.

It affects the glutamatergic neurotransmission pathway, which is essential for excitatory signaling in the brain, in contrast to other antidepressants that mainly raise monoamine neurotransmitters like serotonin or norepinephrine. By repairing the compromised synaptic connections seen in neuropsychiatric illnesses, modification of this route may result in quicker improvements in mood and cognitive performance.
Preclinical studies have demonstrated that NBI-1065845 enhances long-term potentiation (LTP), an electrophysiological process considered a cellular basis of learning and memory. Early clinical studies have also suggested that the compound can improve neural network function without causing significant overstimulation of AMPA receptors, supporting its development as a potentially well-tolerated treatment for major depressive disorder (MDD) and other central nervous system disorders.
By improving glutamate-mediated synaptic transmission, boosting neural communication, encouraging neuroplasticity, and favorably regulating AMPA receptors, NBI-1065845 produces its pharmacological effects. This unique mechanism sets it apart from conventional antidepressants and offers a viable treatment option for conditions linked to decreased brain plasticity and altered synapse function.
What Are The Results Of Phase 2 Of Osavampator
The available Phase 2 SAVITRI results for NBI-1065845 are encouraging, particularly for the 1 mg once-daily dose in adults with major depressive disorder (MDD) who had an inadequate response to at least one antidepressant.
1. Study design
Phase: 2 (SAVITRI)
Design: Randomized, double-masked, placebo-controlled, multicenter
Participants: 183 adults with MDD
Treatment groups:
Placebo
Osavampator 1 mg once daily
Osavampator 3 mg once daily
Treatment duration: 8 weeks
Primary efficacy measure: Change in MADRS (Montgomery-Åsberg Depression Rating Scale) score at Days 28 and 56.
2. Efficacy results
1 mg dose
The 1 mg dose produced the strongest results.
Day 28
MADRS improvement vs. placebo:
−4.3 points
P = 0.0159 (statistically significant)
Day 56
MADRS improvement vs. placebo:
−6.9 points
P = 0.0018
Effect size: 0.73, which is generally considered a moderate-to-large treatment effect.
Patients receiving 1 mg were also more likely to achieve both clinical response and remission than those receiving a placebo.
3 mg dose
Interestingly, the 3 mg dose did not outperform the 1 mg dose.
Improvement in depression scores was observed, but it did not reach statistical significance versus placebo (Day 56 nominal P = 0.0573).
This suggests that NBI-1065845 may not have a simple dose-response relationship, with the lower dose appearing more effective than the higher dose in this study.

3. Safety and tolerability
The Phase 2 trial reported a favorable safety profile:
No deaths
No treatment-related serious adverse events
No adverse events of special interest
Generally well tolerated at both dose levels
The most commonly reported adverse events were mild and consistent with those reported in earlier clinical studies, including headache, somnolence, and nasopharyngitis.
Osavampator Side Effects
TAK-653 is still an investigational drug, so its safety profile is based on clinical trials rather than post-marketing experience. Overall, the available studies suggest that it has been generally well tolerated, with most adverse events being mild to moderate in severity. Serious treatment-related adverse events have not been commonly reported in early clinical studies.
1. Commonly reported side effects
The most frequently reported adverse events include:
Somnolence (drowsiness)
Headache
Nasopharyngitis (common cold symptoms)
These were the most common events observed in healthy volunteer studies, and some of them also occurred in placebo-treated participants.
2. Less common side effects
Other adverse events reported during clinical trials included:
Nausea
Diarrhea
Vomiting
Fatigue
Cough
Hyperhidrosis (increased sweating)
These events were generally infrequent and occurred in a small percentage of participants.
3. Safety observations
Clinical studies have found that:
Most adverse events were mild or moderate.
No serious adverse events related to NBI-1065845 were reported in the early-phase studies.
No clinically meaningful changes were observed in vital signs, electrocardiograms (ECGs), or routine laboratory tests.
Importantly, no cases of seizures, dissociative symptoms, or euphoria were reported in the human studies conducted to date.
4. Preclinical considerations
Animal studies identified convulsions at high exposure levels and some neuropathological findings in certain species. These findings were used to establish safety limits for human clinical trials, and the doses evaluated in humans were selected to remain well below those exposure thresholds.
Factory
1. Xi'an Sonwu has a factory with sufficient stock. Additionally, Xi'an Sonwu boasts a clean and well-organized production department equipped with advanced machinery. Under the company's leadership, researchers continue to develop new products to meet customers' needs.
2. Xi'an Sonwu has advanced testing equipment and professional testing personnel, all of which show that Xi'an Sonwu aims to provide accurate and effective data and good service.


Certificate

Packing

Logistics Update
In addition to guaranteeing product quality, the other most vital thing is that clients receive the goods smoothly. Therefore, Xi'an Sonwu offers a variety of couriers to meet different needs.

FAQ
1. How to inquire?
We can be reached by phone, email, or social media.
2. How do you guarantee the quality of products?
Each batch must be tested, and a COA can be supplied to customers. Additionally, all products pass the following tests: HPLC, UV, GC, and TLC, among others. We also cooperate with third parties, such as SGS.
3. How do you pack and store?
Packaging: Use sealed export-grade drums and vacuum-sealed foil packaging, or pack the goods as requested by the customer.
Storage: Store it in a dry, cool place, away from sunlight.
For information about Osavampator powder, please get in touch with Xi'an Sonwu. Click the email link to receive a high-quality supply of TAK-653 powder.
Email: sales@sonwu.com
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