DS-3201b is developed by Daiichi Sankyo.

What are the side effects of DS-3201b?

Common side effects include Diarrhea, Fatigue, Back pain, Anorexia, Decreased appetite, Dizziness.

Last reviewed 2026-04-20 · How we verify

DS-3201b

Daiichi Sankyo · Phase 1 active Small molecule Quality 20/100

At a glance

Generic name	DS-3201b
Sponsor	Daiichi Sankyo
Modality	Small molecule
Phase	Phase 1

Approved indications

No approved indications tracked.

Common side effects

Diarrhea
Fatigue
Back pain
Anorexia
Decreased appetite
Dizziness
Headache
Anxiety
Alopecia
Rash
Increased tendency to bruise
Tachycardia

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape:

DS-3201b CI brief — competitive landscape report
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Daiichi Sankyo portfolio CI