MedPath

Dosulepin

Generic Name
Dosulepin
Drug Type
Small Molecule
Chemical Formula
C19H21NS
CAS Number
113-53-1
Unique Ingredient Identifier
W13O82Z7HL

Overview

Dosulepin (INN, BAN) formerly known as dothiepin (USAN), is a tricyclic antidepressant with anxiolytic properties that is used in several European and South Asian countries, as well as Australia, South Africa, and New Zealand. It is not FDA-approved due to low therpeutic index and significant toxicity in overdose. Dosulepin inhibits the reuptake of biogenic amines, increasing available neurotransmitter levels at the synaptic cleft. The use of dosulepsin is only recommended in patients who are intolerant or unresponsive to alternative antidepressant therapies. Dosulepsin is a thio derivative of Amitriptyline with a similar efficacy to that of Amitriptyline, and also exhibits anticholinergic, antihistamine and central sedative properties . Its hydrochloride form is a common active ingredient in different drug formulations.

Background

Dosulepin (INN, BAN) formerly known as dothiepin (USAN), is a tricyclic antidepressant with anxiolytic properties that is used in several European and South Asian countries, as well as Australia, South Africa, and New Zealand. It is not FDA-approved due to low therpeutic index and significant toxicity in overdose. Dosulepin inhibits the reuptake of biogenic amines, increasing available neurotransmitter levels at the synaptic cleft. The use of dosulepsin is only recommended in patients who are intolerant or unresponsive to alternative antidepressant therapies. Dosulepsin is a thio derivative of Amitriptyline with a similar efficacy to that of Amitriptyline, and also exhibits anticholinergic, antihistamine and central sedative properties . Its hydrochloride form is a common active ingredient in different drug formulations.

Indication

Indicated in the treatment of symptoms of depressive illness, especially where an anti-anxiety effect is required.

Associated Conditions

  • Anxiety
  • Depression

Clinical Trials

Title
Posted
Study ID
Phase
Status
Sponsor
2025/01/31
Phase 4
Recruiting
All India Institute of Medical Sciences, Bhubaneswar
2017/04/24
N/A
Completed
All India Institute of Medical Sciences, Bhubaneswar

FDA Drug Approvals

Approved Product
Manufacturer
NDC Code
Route
Strength
Effective Date
No FDA approvals found for this drug.

EMA Drug Approvals

Approved Product
Authorization Holder
Status
Issued Date
No EMA approvals found for this drug.

HSA Drug Approvals

Approved Product
Manufacturer
Approval Number
Dosage Form
Strength
Approval Date
ESPIN CAPSULE 25 mg
SIN10607P
CAPSULE
25 mg
1/6/1999

NMPA Drug Approvals

Approved Product
Company
Approval Number
Drug Type
Dosage Form
Approval Date
No NMPA approvals found for this drug.

PPB Drug Approvals

Approved Product
Registration No.
Company
Licence No.
Strength
Registration Date
No PPB approvals found for this drug.
© Copyright 2025. All Rights Reserved by MedPath