Product image of Jamax-S (Alendronate Sodium Trihydrate) supplied by GNH India

Jamax-S

Active Ingredient:
Alendronate Sodium Trihydrate
Origin:
EU

Jamax-S (Alendronate Sodium Trihydrate)

Alendronate sodium trihydrate, the active ingredient in Jamax‑S, is a bisphosphonate presented as an oral dosage form for oral use. It treats osteoporosis and related bone disorders in adults.

GNH India supplies Jamax‑S as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Sja Pharm Ltd

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Indications & Clinical Uses

Jamax‑S (alendronate sodium trihydrate) is used in conditions involving increased bone resorption.

  • Osteoporosis: reduces the risk of vertebral and hip fractures by inhibiting bone loss.
  • Paget's disease of bone: normalizes abnormal bone remodeling and alleviates bone pain.
  • Glucocorticoid‑induced osteoporosis: prevents bone loss associated with long‑term steroid therapy.

How It Works

  • Alendronate sodium trihydrate binds selectively to hydroxyapatite crystals at sites of active bone remodeling. When osteoclasts attach to this bound drug, it is internalized and inhibits farnesyl pyrophosphate synthase, a key enzyme in the mevalonate pathway, leading to reduced osteoclast activity, decreased bone resorption, and overall stabilization of bone mass.

Side Effects

Common side effects are generally mild and related to gastrointestinal irritation or transient musculoskeletal discomfort.

Common Side Effects

  • Abdominal pain
  • Dyspepsia
  • Nausea
  • Constipation
  • Musculoskeletal pain
  • Headache

Serious or Rare Side Effects

  • Esophageal ulceration or erosion
  • Osteonecrosis of the jaw
  • Atypical femur fracture
  • Severe hypersensitivity reactions
  • Acute phase reaction (fever, myalgia)
  • Renal impairment

Precautions & Warnings

Before initiating therapy, clinicians should evaluate renal function, gastrointestinal health, and concomitant medications.

  • Assess renal function: avoid use in severe renal impairment.
  • Ensure upright posture: remain upright for at least 30 minutes after ingestion.
  • Separate from calcium, antacids, or multivitamins: take at least 30 minutes before or after such agents.
  • Review history of esophageal disorders: contraindicated in patients with active esophageal disease.
  • Monitor for jaw pain or exposed bone: advise dental evaluation before starting.
  • Store at room temperature: keep in the original pack, protect from moisture.

Avoid Interactions

Alendronate may interact with several medicines, requiring avoidance or close monitoring.

Major Interactions (Avoid)

  • Antacids or supplements containing calcium, magnesium, aluminum, or iron within 30 minutes of dosing.
  • Concomitant use of other bisphosphonates or high‑dose vitamin D preparations.
  • Co‑administration with nephrotoxic agents in patients with impaired renal function.

Moderate Interactions (Monitor Closely)

  • NSAIDs or corticosteroids (increase risk of gastrointestinal irritation).
  • Warfarin (potential alteration of INR; monitor coagulation).
  • Proton pump inhibitors (may reduce oral absorption; observe therapeutic response).

Frequently Asked Questions

Jamax‑S contains alendronate sodium trihydrate and is prescribed to treat osteoporosis, Paget's disease of bone, and glucocorticoid‑induced osteoporosis. By reducing bone resorption, it helps maintain bone density and lowers the risk of fractures associated with these conditions.

Alendronate sodium trihydrate binds to bone mineral at sites of active remodeling. When osteoclasts attach to the drug‑coated surface, it inhibits the enzyme farnesyl pyrophosphate synthase, disrupting the mevalonate pathway and leading to reduced osteoclast activity and decreased bone resorption.

The specific dose of Jamax‑S is determined by the prescribing clinician based on the patient’s condition, renal function, and other clinical factors. Healthcare professionals follow established guidelines but must individualise the regimen for each patient.

Safety of alendronate during pregnancy and lactation has not been established. It is generally avoided in pregnant or nursing women unless the potential benefit justifies the potential risk, and the decision should be made by a qualified healthcare provider.

To order Jamax‑S, 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.

Jamax‑S (alendronate) is a first‑generation bisphosphonate with a well‑established efficacy profile for osteoporosis and Paget's disease. Compared with newer agents such as risedronate or zoledronic acid, alendronate is typically taken orally once weekly or monthly, whereas some alternatives may be daily or intravenous, offering different convenience and adherence considerations.

Jamax‑S should be stored at room temperature, below 25 °C, in its original packaging to protect it from moisture. Keep the product out of reach of children and avoid exposure to direct sunlight or excessive humidity.

Jamax‑S is taken orally with a full glass of plain water on an empty stomach, first thing in the morning, at least 30 minutes before any food, drink, or other medication. After taking the dose, the patient should remain upright for at least 30 minutes to reduce the risk of esophageal irritation.

Serious adverse events include esophageal ulceration or erosion, osteonecrosis of the jaw, atypical femur fractures, severe hypersensitivity reactions, and acute renal impairment. Patients should promptly report persistent throat pain, jaw discomfort, unexplained bone pain, or signs of an allergic reaction to their healthcare provider.

Jamax‑S is contraindicated in patients with severe renal impairment (creatinine clearance <30 mL/min), active esophageal disorders that delay emptying, known hypersensitivity to alendronate or any excipients, and those who cannot remain upright for 30 minutes after dosing. Clinicians should assess each patient’s medical history before prescribing.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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