Product image of Madopar Depot (Benserazide Hydrochloride, Levodopa) supplied by GNH India

Madopar Depot

Active Ingredient:
Benserazide Hydrochloride, Levodopa
Origin:
EU

Madopar Depot (Benserazide Hydrochloride, Levodopa)

Levodopa/Benserazide, the active ingredient in Madopar Depot, is a Levodopa/dopa decarboxylase inhibitor combination presented as an extended‑release oral tablet for oral use. The depot formulation provides sustained plasma concentrations, helping to reduce the frequency of dosing and improve symptom control. It is employed to manage the motor symptoms of Parkinson's disease in adult patients.

GNH India supplies Madopar Depot as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides regulatory documentation to support global distribution.

Manufacturer / TM Owner

Roche Pharmaceuticals A/S

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Indications & Clinical Uses

Madopar Depot is used in the treatment of Parkinsonian disorders, targeting the dopaminergic pathway to improve motor function.

  • Parkinson's disease (early stage): improves tremor, rigidity and bradykinesia, facilitating daily activities.
  • Parkinson's disease (advanced stage with motor fluctuations): reduces off‑time and stabilizes symptom control.
  • Parkinsonism secondary to drug‑induced dopamine blockade: may be considered under specialist supervision to restore dopaminergic tone.

How It Works

  • Levodopa crosses the blood‑brain barrier and is decarboxylated to dopamine, replenishing central dopaminergic activity. Benserazide, a peripheral aromatic L‑amino acid decarboxylase inhibitor, blocks the conversion of levodopa outside the brain, increasing its availability for central conversion and reducing peripheral side effects such as nausea.

Side Effects

Adverse reactions to Madopar Depot are reported across a range of frequencies.

Common Side Effects

  • Nausea
  • Vomiting
  • Dizziness or light‑headedness
  • Orthostatic hypotension
  • Headache
  • Insomnia

Serious or Rare Side Effects

  • Dyskinesia (involuntary movements)
  • Psychiatric disturbances (hallucinations, confusion)
  • Severe orthostatic hypotension leading to falls
  • Cardiac arrhythmias
  • Neuroleptic malignant‑like syndrome
  • Anaphylactic or severe allergic reactions

Precautions & Warnings

When prescribing Madopar Depot, clinicians should observe several safety measures.

  • Dose titration: start low and increase gradually to minimize side effects.
  • Monitor for dyskinesia: adjust dose if involuntary movements appear.
  • Assess renal and hepatic function: use caution in impairment.
  • Avoid abrupt discontinuation: may precipitate neuroleptic malignant‑like syndrome.
  • Pregnancy and lactation: use only if benefit outweighs risk (category unknown).
  • Store at ambient temperature: keep in original packaging, protect from moisture and light.

Avoid Interactions

Madopar Depot can interact with several drug classes; careful review is required.

Major Interactions (Avoid)

  • Non‑selective MAO‑B inhibitors (e.g., phenelzine): risk of hypertensive crisis.
  • Anticholinergic agents at high doses: may mask levodopa side effects.
  • COMT inhibitors without dose adjustment: increased levodopa levels.
  • Strong D2 antagonists (e.g., haloperidol): may reduce therapeutic effect.
  • High‑dose pyridoxine (vitamin B6): accelerates peripheral levodopa metabolism.

Moderate Interactions (Monitor Closely)

  • SSRIs and SNRIs: possible serotonin syndrome.
  • Beta‑blockers: may enhance orthostatic hypotension.
  • Diuretics: increase risk of low blood pressure.
  • Iron or calcium supplements: reduce levodopa absorption if taken simultaneously.
  • Alcohol: may exacerbate dizziness and sedation.

Frequently Asked Questions

Madopar Depot is indicated for the management of Parkinson's disease. It helps control motor symptoms such as tremor, rigidity, and bradykinesia by providing a sustained release of levodopa combined with benserazide, which enhances central dopamine availability.

Levodopa is a precursor that crosses the blood‑brain barrier and is converted to dopamine, replenishing deficient central neurotransmission. Benserazide inhibits peripheral aromatic L‑amino acid decarboxylase, preventing levodopa breakdown outside the brain, thereby increasing the amount that reaches the central nervous system and reducing peripheral side effects.

The exact dose of Madopar Depot is individualized by the prescribing clinician based on disease severity, patient response, and tolerability. Typically, treatment starts with a low dose that is gradually titrated to achieve optimal symptom control while minimizing adverse effects.

The safety of Madopar Depot during pregnancy and lactation has not been definitively established. It should only be used when the potential benefit to the mother outweighs any possible risk to the fetus or infant, and this decision must be made by a qualified healthcare professional.

To order Madopar Depot, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies, and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details, and any necessary import documentation.

Madopar Depot provides a prolonged, steady release of levodopa, which can reduce dosing frequency and smooth plasma concentration fluctuations compared with immediate‑release tablets. This may lead to fewer motor “off” periods and a lower incidence of peak‑dose dyskinesia, though individual response varies.

Madopar Depot tablets should be stored at ambient temperature, below 25 °C, in their original blister pack. Keep them away from moisture, direct sunlight, and excessive heat to maintain product stability throughout its shelf life.

Madopar Depot is taken orally, usually with a glass of water. It can be taken with or without food, but consistent timing relative to meals helps maintain stable drug levels. Patients should follow the dosing schedule prescribed by their healthcare provider.

Serious risks include the development of dyskinesia, severe orthostatic hypotension, psychiatric disturbances such as hallucinations, and rare but life‑threatening reactions like neuroleptic malignant‑like syndrome or anaphylaxis. Prompt medical attention is required if any of these occur.

Madopar Depot is contraindicated in patients with known hypersensitivity to levodopa, benserazide, or any excipients. It should also be avoided in individuals taking non‑selective MAO‑B inhibitors, or in patients with severe cardiovascular disease where orthostatic hypotension could be hazardous.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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