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Tamibarotene

Generic Name
Tamibarotene
Drug Type
Small Molecule
Chemical Formula
C22H25NO3
CAS Number
94497-51-5
Unique Ingredient Identifier
08V52GZ3H9

Overview

Tamibarotene is a novel synthetic retinoid for acute promyelocytic leukaemia (APL). Tamibarotene is currently approved in Japan for treatment of recurrent APL, and is undergoing clinical trials in the United States.

Indication

Investigated for use/treatment in leukemia (unspecified).

Associated Conditions

No associated conditions information available.

Research Report

Published: Sep 12, 2025

A Comprehensive Monograph on Tamibarotene (DB04942): From Acute Promyelocytic Leukemia to Biomarker-Driven Oncology

1.0 Introduction: A Third-Generation Retinoid for Targeted Oncology

1.1 Overview of Tamibarotene as a Synthetic RARα/β Agonist

Tamibarotene, marketed in Japan under the brand name Amnolake, is an orally active, synthetic, third-generation retinoid with significant antineoplastic activity.[1] Classified as a retinobenzoic acid, it is a small molecule designed as a potent and selective agonist for the retinoic acid receptor alpha (

RARα) and retinoic acid receptor beta (RARβ).[2] Its development was a deliberate effort in rational drug design, aimed at creating a therapeutic agent that retains the beneficial cell-differentiating properties of natural retinoids while improving upon their pharmacological and safety profiles.[5] Initially developed for hematologic malignancies, its primary clinical application has been in the treatment of acute promyelocytic leukemia (APL), a distinct subtype of acute myeloid leukemia (AML).[1]

1.2 Rationale for Development: Overcoming the Limitations of ATRA

The scientific impetus for the creation of Tamibarotene stemmed directly from the clinical challenges associated with its predecessor, all-trans retinoic acid (ATRA), a natural retinoid that revolutionized the treatment of APL.[7] While highly effective, ATRA therapy is hampered by several limitations, including chemical instability, the development of clinical resistance, and a pharmacokinetic profile characterized by rapidly declining plasma concentrations during continuous administration.[8] Tamibarotene was specifically engineered to circumvent these issues.[1]

Continue reading the full research report

Clinical Trials

Title
Posted
Study ID
Phase
Status
Sponsor
2024/03/04
Phase 2
Active, not recruiting
2023/10/17
Phase 1
Withdrawn
2021/10/01
Phase 1
Recruiting
2021/05/27
Phase 2
Terminated
2021/03/15
Phase 3
Terminated
2016/06/21
Phase 2
Completed
2011/04/28
Phase 2
UNKNOWN
2011/04/18
Phase 2
Terminated
CytRx
2010/10/22
Phase 2
UNKNOWN
2010/05/10
Phase 2
UNKNOWN

FDA Drug Approvals

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No FDA approvals found for this drug.

EMA Drug Approvals

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No EMA approvals found for this drug.

HSA Drug Approvals

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No HSA approvals found for this drug.

NMPA Drug Approvals

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No NMPA approvals found for this drug.

PPB Drug Approvals

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No PPB approvals found for this drug.

TGA Drug Approvals

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No TGA approvals found for this drug.

Health Canada Drug Approvals

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No Health Canada approvals found for this drug.

CIMA AEMPS Drug Approvals

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No CIMA AEMPS (Spain) approvals found for this drug.

Philippines FDA Drug Approvals

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No Philippines FDA approvals found for this drug.

Saudi SFDA Drug Approvals

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No Saudi SFDA approvals found for this drug.

Malaysia NPRA Drug Approvals

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No Malaysia NPRA approvals found for this drug.

UK EMC Drug Information

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MA Holder
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Active Ingredient
Authorization Date
No UK EMC drug information found for this drug.

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