Tolvaptan Sodium Phosphate CAS 942619-79-6
What Is Tolvaptan Sodium Phosphate? Tolvaptan Sodium Phosphate is a pharmaceutical intermediate and derivative of tolvaptan formulated for intravenous aquaretic applications . It is the sodium phosphate salt form associated with specialty clinical use, particularly in settings requiring...
What Is Tolvaptan Sodium Phosphate?
Tolvaptan Sodium Phosphate is a pharmaceutical intermediate and derivative of tolvaptan formulated for intravenous aquaretic applications. It is the sodium phosphate salt form associated with specialty clinical use, particularly in settings requiring controlled water excretion and vasopressin V2 receptor antagonism.
Chemically, tolvaptan derivatives like the sodium phosphate salt act on vasopressin receptor pathways to modulate renal water handling without major electrolyte loss, positioning them as key components for research into hyponatremia therapies and advanced fluid management protocols.
Mechanism of Action
Tolvaptan Sodium Phosphate functions as a selective antagonist of the vasopressin V2 receptor in renal collecting ducts. Blocking V2 receptors:
- Decreases aquaporin 2 insertion into collecting duct membranes
- Increases free water excretion (aquaretic effect) without proportional sodium or potassium loss
- Raises serum sodium levels through enhanced water clearance
This distinct mechanism differs from traditional diuretics, which promote both water and electrolyte excretion.
Uses & Applications
In clinical settings, tolvaptan and its salt forms are used for:
- Hyponatremia associated with SIADH (Syndrome of Inappropriate Antidiuretic Hormone secretion)
- Management of fluid retention in congestive heart failure patients where controlled aquaresis is needed
- Research into polycystic kidney disease (ADPKD) progression and cyst formation inhibition
Research & Development
Tolvaptan Sodium Phosphate is increasingly referenced in post transplant fluid retention models and refractory edema research, including stem cell transplantation related sinusoidal obstruction syndrome (SOS) research, demonstrating important aquaretic effects.
Common Side Effects
Common Effects
- Increased thirst and polyuria (frequent urination)
- Dry mouth, fatigue, dizziness
Metabolic & Systemic Effects
- Risk of hypernatremia if sodium levels rise too quickly
- Dehydration and hypovolemia if fluid intake is insufficient
Serious Safety Signals
Liver injury and elevated liver enzymes-requires close monitoring in clinical use
Rapid sodium correction risks, including osmotic demyelination syndrome, in poorly managed cases
What People Are Discussing Online?
Tolerance and lifestyle impact:
Users discuss thirst and frequent urination as the most frequently mentioned side effects, affecting sleep and daily routines.
Liver monitoring concerns:
Many posts emphasize regular liver function testing as essential due to potential liver enzyme elevations.
Variable patient response:
Some report fatigue, nausea, appetite changes, or creatinine/eGFR fluctuations after starting therapy.
Adaptation period:
Patients commonly state it may take weeks to adjust to aquaretic effects.
These discussions highlight real world concerns-hydration management, monitoring demands, and quality of life effects-that influence how healthcare professionals evaluate utility and adherence.
As a trusted Tolvaptan Sodium Phosphate supplier and manufacturer, we operate a certified GMP pharmaceutical intermediate factory in China, offering high-purity Tolvaptan Sodium Phosphate API and bulk powder (CAS 942619-79-6) with full COA/MSDS documentation, reliable raw material and intermediate supply, and flexible wholesale and export solutions.
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