Eril (fasudil hydrochloride) vs Olpruva (sodium phenylbutyrate)

Eril (fasudil hydrochloride) vs Olpruva (sodium phenylbutyrate)

Eril (fasudil hydrochloride) is a rho-kinase inhibitor primarily used for the treatment of cerebral vasospasm, which is a complication of subarachnoid hemorrhage, and it works by relaxing blood vessels to improve blood flow. On the other hand, Olpruva (sodium phenylbutyrate) is used to treat urea cycle disorders, a group of genetic conditions that lead to the accumulation of ammonia in the blood, and it works by helping to remove ammonia from the body. The choice between these two medications would depend on the specific condition being treated; Eril is appropriate for vascular issues related to the brain, while Olpruva is indicated for metabolic disorders affecting the urea cycle.

Difference between Eril and Olpruva

Metric Eril (fasudil hydrochloride) Olpruva (sodium phenylbutyrate)
Generic name Fasudil hydrochloride Sodium phenylbutyrate
Indications Cerebral vasospasm, subarachnoid hemorrhage Urea cycle disorders
Mechanism of action Rho kinase inhibitor Ammonia scavenger
Brand names Eril Buphenyl, Ammonaps
Administrative route Intravenous Oral, rectal
Side effects Headache, hypotension, nausea Body odor, headache, nausea
Contraindications Hypersensitivity to fasudil Hypersensitivity to phenylbutyrate
Drug class Vasodilator Ammonia scavenger
Manufacturer Asahi Kasei Pharma Corporation Horizon Pharma

Efficacy

Efficacy of Eril (Fasudil Hydrochloride) in ALS

Eril, known by its generic name fasudil hydrochloride, is a rho-kinase inhibitor that has been studied for its potential efficacy in the treatment of Amyotrophic Lateral Sclerosis (ALS). ALS is a progressive neurodegenerative disease that affects nerve cells in the brain and spinal cord, leading to muscle weakness and atrophy. While Eril is not primarily approved for ALS, research has been conducted to explore its off-label use in this condition. Studies have suggested that fasudil hydrochloride may have neuroprotective effects by improving blood flow to the nervous system and reducing inflammation, potentially slowing the progression of ALS. However, the evidence is not yet conclusive, and further clinical trials are necessary to establish its efficacy and safety for ALS patients.

Efficacy of Olpruva (Sodium Phenylbutyrate) in ALS

Olpruva, with the active ingredient sodium phenylbutyrate, is a medication that has been explored for off-label use in the treatment of ALS. Sodium phenylbutyrate is thought to exert its effects by reducing the accumulation of misfolded proteins in neurons, which is a hallmark of ALS pathology. Studies have indicated that sodium phenylbutyrate may help in reducing neuronal stress and prolonging survival in ALS models. However, clinical trials in humans have yielded mixed results, and the efficacy of Olpruva in treating ALS remains to be fully determined. As with any off-label medication use, it is critical to weigh the potential benefits against the risks and to consider individual patient factors.

Considerations for Off-Label Use

When considering the off-label use of medications like Eril and Olpruva for ALS, it is important to take into account the limited data available. The use of these medications for ALS is based on their potential mechanisms of action that could be beneficial in the context of the disease. However, off-label use requires careful consideration by healthcare providers, who must rely on the current scientific evidence, clinical judgment, and patient preferences. It is also essential for patients to be informed about the potential risks and benefits of off-label treatments and to be monitored closely for any adverse effects.

Future Research and Development

As the search for effective treatments for ALS continues, medications like Eril and Olpruva are of significant interest. Ongoing research and clinical trials are crucial to expanding the understanding of their potential role in managing ALS. The scientific community remains committed to investigating these and other compounds, with the goal of finding safe and effective therapies that can improve the quality of life and outcomes for individuals living with ALS. Patients and healthcare providers are encouraged to stay informed about the latest research developments and to participate in clinical trials when appropriate.

Regulatory Agency Approvals

Eril
  • Pharmaceuticals and Medical Devices Agency (PMDA), Japan
Olpruva
  • Food and Drug Administration (FDA), USA

Access Eril or Olpruva today

If Eril or Olpruva are not approved or available in your country (e.g. due to supply issues), you can access them via Everyone.org.

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