Clodronate
Clodronate used as an adjunct in the treatment of severe hypercalcaemia associated with malignancy.
Primary Characteristics
It is of Synthetic origin and belongs to Geminal Biphosphonate.
It belongs to Osteoclast inhibitor pharmacological group on the basis of mechanism of action and also classified in Diphophonate pharmacological group.
Molecular Weight: 288.9 · pKa: 1.0, 1.38,1.8, 6, 9.5 · Solubility in Water: soluble · Non-proprietary name: Clodronate.

Pharmacokinetics
Absorption: Clodronate has an oral bioavailability is 2.5% (±1.5%).
Distribution: Clodronate has a volume of distribution is 16 - 33 litre. plasma protein binding is low.
Elimination: it is metabolised via not metabolizied in human, plasma half-life is 2hr, renal excretion is 75%.
Advertisement
Indications
Clodronate is primarily indicated in conditions like Hypercalcaemia due to malignancy, Osteolytic bone metastases, Pagets disease.
Contraindications
Clodronate is contraindicated in conditions like Renal insufficiency, Hypersensitivity.
Dosage
Clodronate's dosage details are as follows:
| Dose | Single Dose | Frequency | Route | Instructions |
|---|---|---|---|---|
| Adult Dosage | ||||
| 400 mg | 400 mg | Every 24h | capsule | |
| 800 mg | 800 mg | Every 24h | tablet | |
| Paediatric Dosage (20kg) | ||||
| 0 – 0 | — | — | Safety not established | |
| Neonatal Dosage (3kg) | ||||
| 0 – 0 | — | — | Not recommended in this age group | |
Drug Interactions
Always consult your physician for the change of dose regimen or an alternative drug of choice that may strictly be required.
Side Effects
Clodronate in overdosage may give rise to further complications which include Secondary hyperparathyroidism .
Clodronate produces potentially life-threatening effects which include Acute Renal Failure . Careful monitoring is needed with proper medical management.
The signs and symptoms that are produced after acute overdosage of Clodronate are Hypoglycemia, Acute renal failure.
Clodronate is known to cause more or less tolerable side effects which are usually transient. These include Diarrhea, GI upset, Hypocalcemia, Nausea, Vomiting .
Warnings / Precautions
Interference in Pathology
Clodronate may interfere in the diagnosis of Bone scintigraphy examinations.
Available Brands
None recorded.
Storage Conditions
Drug Classification
- 1.18.14 — Drugs affecting bone metabolism