MedPath

Clonazepam

Generic Name
Clonazepam
Brand Names
Clonapam, Klonopin, Rivotril
Drug Type
Small Molecule
Chemical Formula
C15H10ClN3O3
CAS Number
1622-61-3
Unique Ingredient Identifier
5PE9FDE8GB

Overview

A benzodiazepine used to treat various seizures, including myotonic or atonic seizures, photosensitive epilepsy, and absence seizures, although tolerance may develop. The agent has also been indicated for treating panic disorder. The mechanism of action appears to involve the enhancement of gamma-aminobutyric acid receptor responses. Since being first patented in 1960 and then released for sale from Roche in the US in 1975, clonazepam has experienced a storied history in the treatment of the aforementioned medical conditions. Now available as a generic medication, the agent continues to see exceptionally high use as millions of prescriptions are written for the medication internationally every year. Unfortunately, however, like most benzodiazepines, clonazepam use has also been associated with recreational use and drug abuse.

Background

A benzodiazepine used to treat various seizures, including myotonic or atonic seizures, photosensitive epilepsy, and absence seizures, although tolerance may develop. The agent has also been indicated for treating panic disorder. The mechanism of action appears to involve the enhancement of gamma-aminobutyric acid receptor responses. Since being first patented in 1960 and then released for sale from Roche in the US in 1975, clonazepam has experienced a storied history in the treatment of the aforementioned medical conditions. Now available as a generic medication, the agent continues to see exceptionally high use as millions of prescriptions are written for the medication internationally every year. Unfortunately, however, like most benzodiazepines, clonazepam use has also been associated with recreational use and drug abuse.

Indication

Clonazepam is indicated as monotherapy or as an adjunct in the treatment of Lennox-Gastaut syndrome (petit mal variant), akinetic, and myoclonic seizures. Furthermore, clonazepam may also be of some value in patients with absence spells (petit mal) who have failed to respond to succinimides. Additionally, clonazepam is also indicated for the treatment of panic disorder, with or without agoraphobia, as defined in the DSM-V. Alternatively, some regional prescribing information note that clonazepam is indicated for all clinical forms of epileptic disease and seizures in adults, especially absence seizures (petit mal) including atypical absence; primary or secondarily generalised tonic-clonic (grand mal), tonic or clonic seizures; partial (focal) seizures with elementary or complex symptomatology; various forms of myoclonic seizures, myoclonus and associated abnormal movements. Such regional label data also has clonazepam indicated for most types of epilepsy in infants and children, especially absences (petit mal), myoclonic seizures and tonic-clonic fits, whether due to primary generalized epilepsy or to secondary generalization of partial epilepsy.

Associated Conditions

  • Akinetic seizures
  • Burning Mouth Syndrome
  • Essential Tremor
  • Gilles de la Tourette's Syndrome
  • Lennox-Gastaut Syndrome
  • Mixed manic depressive episode
  • Panic Disorder
  • Rapid Eye Movement Sleep Disorder
  • Restless Legs Syndrome (RLS)
  • Tardive Dyskinesia (TD)
  • Acute Manic episode
  • Myoclonic seizures
  • Refractory absence Seizures

Clinical Trials

Not Applicable
Not yet recruiting
Posted: 2024/09/24
Sponsor:
Oxleas NHS Foundatio...
Phase 4
Completed
Posted: 2024/04/10
Sponsor:
Pachankis, Yang I., ...
Not Applicable
Recruiting
Posted: 2023/09/28
Sponsor:
El Instituto Naciona...

FDA Approved Products

Clonazepam
Manufacturer:REMEDYREPACK INC.
Route:ORAL
Strength:0.5 mg in 1 1
Approved: 2023/08/11
NDC:70518-1297
Clonazepam
Manufacturer:Quality Care Products, LLC
Route:ORAL
Strength:1 mg in 1 1
Approved: 2020/01/29
NDC:55700-830
Klonopin
Manufacturer:H2-Pharma, LLC
Route:ORAL
Strength:1 mg in 1 1
Approved: 2021/11/29
NDC:61269-610
Clonazepam
Manufacturer:REMEDYREPACK INC.
Route:ORAL
Strength:1 mg in 1 1
Approved: 2024/02/28
NDC:70518-2334
Clonazepam
Manufacturer:Preferred Pharmaceuticals Inc.
Route:ORAL
Strength:2 mg in 1 1
Approved: 2024/03/29
NDC:68788-7181

Singapore Approved Products

CLONOTRIL 0.5 TABLET 0.5 mg
Manufacturer:REMEDICA LTD
Form:TABLET
Strength:0.5 mg
Online:Yes
Approved: 1991/07/04
Approval:SIN06410P
CLONAZEPAM MEVON TABLETS 0.5 MG
Manufacturer:Neuraxpharm Pharmaceuticals, S.L.
Form:TABLET
Strength:0.500 mg
Online:Yes
Approved: 2024/09/03
Approval:SIN17075P

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