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Tesofensine

📜 Description:

Tesofensine is a triple monoamine reuptake inhibitor initially developed for neurodegenerative disorders but repurposed for weight loss. It affects dopamine, serotonin, and norepinephrine levels.

🤖 Mechanisms of Action:

1. Inhibits reuptake of dopamine, serotonin, and norepinephrine

2. Reduces appetite and increases energy expenditure

3. Enhances mood and mental well-being

4. Boosts energy levels and physical performance

💪 Potential Health Benefits:

– Significant weight loss in clinical trials

– Mood enhancement

– Increased energy and physical performance

💉 Dosing/Administration:

– Typical dosage: 0.5 mg daily (range: 0.25-1 mg)

– Oral administration, usually in capsule form

– Long-term use may be required for weight maintenance

⚠️ Side Effects and Safety:

– Common side effects: dry mouth, insomnia, constipation, increased heart rate

– Less common: headaches, elevated blood pressure

– Potential for abuse due to dopaminergic effects

– Risk of serotonin syndrome, especially when combined with other serotonergic agents

– Cardiovascular concerns: Increases in heart rate and blood pressure observed at some doses

🔬 Additional Research Insights:

– Originally developed for Parkinson’s and Alzheimer’s diseases

– Repurposed for weight loss after observing significant body weight reductions in clinical studies

– Tesomet, a combination of tesofensine and metoprolol, shows improved cardiovascular safety profile compared to tesofensine alone

🦻 References and Links:

1. Saniona Pipeline: https://saniona.com/pipeline/tesomet/

2. The Lancet study: https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(09)60433-5/fulltext

3. Clinical trial data: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9175551/

Introduction to Tesofensine

Tesofensine is a norepinephrine-, dopamine-, and serotonin-reuptake inhibitor that has been studied for its potential to treat obesity.

It has been shown to induce weight loss primarily by reducing food intake with a small increase in metabolic rate.

How Tesofensine Works

Tesofensine works by inhibiting the reuptake of norepinephrine, dopamine, and serotonin, which leads to an increase in the levels of these neurotransmitters in the brain.

This increase in neurotransmitter levels leads to a reduction in appetite and an increase in metabolic rate, resulting in weight loss.

Benefits of Tesofensine

Tesofensine has been shown to induce weight loss twice that of currently approved drugs.

In a phase 2 trial, tesofensine was associated with a significant decrease in anthropometric measures of abdominal obesity, such as waist circumference and sagittal abdominal diameter.

Additionally, tesofensine administration was associated with beneficial effects on the levels of total cholesterol, triglycerides, insulin, adiponectin, and hemoglobin A1c.

Dosing Protocols

In a phase 2 trial, tesofensine was administered at doses of 0.25 mg, 0.5 mg, and 1.0 mg once daily for 24 weeks.

The observed weight loss was dose-dependent, with the highest dose resulting in the greatest weight loss.

Increases in pulse rate were observed after 24 weeks of treatment with tesofensine in doses of 0.25 or 0.50 mg, but no significant increases in systolic or diastolic blood pressure were observed.

Disclaimer

While tesofensine shows promise as a weight loss treatment, it is crucial to be aware of its potential side effects. The cardiovascular, gastrointestinal, and central nervous system effects should be carefully considered before initiating tesofensine therapy. Consulting with healthcare professionals and undergoing thorough medical evaluations is essential.

Potential Risks

The most frequently observed adverse events associated with tesofensine were nausea, dry mouth, constipation, and insomnia.

Increases in pulse rate were also observed, but no significant increases in systolic or diastolic blood pressure were observed.

Tesofensine’s synaptic effect can lead to serious psychiatric events such as agitation, panic attacks, and mood disorders.

Additionally, tesofensine may interact with other medications or supplements, leading to potential side effects or reduced effectiveness.

Relevant Journal Articles

A phase 2 trial of tesofensine for the treatment of obesity: a randomized, double-blind, placebo-controlled study. 

(https://www.researchgate.net/publication/26834464_Tesofensine_a_monoamine_reuptake_inhibitor_for_the_treatment_of_obesity)

Tesofensine, a monoamine reuptake inhibitor for the treatment of obesity. 

https://www.transformyou.com/tesofensine

Tesofensine and weight loss. 

https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(09)60433-5/fulltext