Year
DEALS // DEV.
Country
Therapeutic Area
Study Phase
Deal Type
Product Type
Dosage Form
Lead Product
Target
Lead Product(s) : Navenibart
Therapeutic Area : Genetic Disease
Study Phase : Phase III
Recipient : Astria Therapeutics
Deal Size : $32.0 million
Deal Type : Licensing Agreement
Astria Enters into Licensing Agreement with Kaken to Develop Navenibart for HAE in Japan
Details : Under the licensing agreement, Kaken will hold the rights of STAR-0215 (navenibart) in Japan. It is being evaluated in the late-stage for the treatment of hereditary angioedema.
Product Name : STAR-0215
Product Type : Antibody
Upfront Cash : $16.0 million
August 06, 2025
Lead Product(s) : Navenibart
Therapeutic Area : Genetic Disease
Highest Development Status : Phase III
Recipient : Astria Therapeutics
Deal Size : $32.0 million
Deal Type : Licensing Agreement
Lead Product(s) : Sebetralstat
Therapeutic Area : Genetic Disease
Study Phase : Phase III
Recipient : KalVista Pharmaceuticals
Deal Size : $22.0 million
Deal Type : Licensing Agreement
KalVista Licenses Sebetralstat to Kaken for HAE Market in Japan
Details : Under the licensing agreement, Kaken will holds the rights of KVD900 (sebetralstat) in Japan. It is being evaluated for the treatment of hereditary angioedema.
Product Name : Undisclosed
Product Type : Other Small Molecule
Upfront Cash : $11.0 million
April 08, 2025
Lead Product(s) : Sebetralstat
Therapeutic Area : Genetic Disease
Highest Development Status : Phase III
Recipient : KalVista Pharmaceuticals
Deal Size : $22.0 million
Deal Type : Licensing Agreement
Lead Product(s) : Sirolimus Protein-bound Particle
Therapeutic Area : Oncology
Study Phase : Approved FDF
Recipient : Whitehawk Therapeutics
Deal Size : $100.0 million
Deal Type : Divestment
Whitehawk Finalizes Aadi Sale To Kaken In Strategic Transformation
Details : Through the divestment, Kaken assumes ownership of FYARRO (sirolimus protein-bound particles for injectable suspension) used to treat adults with malignant perivascular epithelioid cell tumor.
Product Name : Fyarro
Product Type : Antibiotic
Upfront Cash : $100.0 million
March 26, 2025
Lead Product(s) : Sirolimus Protein-bound Particle
Therapeutic Area : Oncology
Highest Development Status : Approved FDF
Recipient : Whitehawk Therapeutics
Deal Size : $100.0 million
Deal Type : Divestment
Lead Product(s) : ESK-001
Therapeutic Area : Dermatology
Study Phase : Phase III
Recipient : Alumis
Deal Size : $180.0 million
Deal Type : Collaboration
Alumis, Kaken Partner on ESK-001 for Dermatology in Japan
Details : The collaboration aims to develop, manufacture and commercialize ESK-001, a highly selective, next-gen oral TYK2 inhibitor, for dermatology indications in Japan.
Product Name : Undisclosed
Product Type : Other Small Molecule
Upfront Cash : $40.0 million
March 25, 2025
Lead Product(s) : ESK-001
Therapeutic Area : Dermatology
Highest Development Status : Phase III
Recipient : Alumis
Deal Size : $180.0 million
Deal Type : Collaboration
Lead Product(s) : KP-723
Therapeutic Area : Dermatology
Study Phase : Preclinical
Sponsor : Johnson & Johnson
Deal Size : $1,247.5 million
Deal Type : Licensing Agreement
Kaken, J&J Ink Potential $1.2B-Plus STAT6 Deal
Details : Johnson gains an exclusive license to Kaken’s STAT6 program, including lead candidate KP-723, a preclinical STAT6 inhibitor, for autoimmune and allergic diseases, including atopic dermatitis.
Product Name : Undisclosed
Product Type : Other Small Molecule
Upfront Cash : $30.0 million
December 26, 2024
Lead Product(s) : KP-723
Therapeutic Area : Dermatology
Highest Development Status : Preclinical
Sponsor : Johnson & Johnson
Deal Size : $1,247.5 million
Deal Type : Licensing Agreement
Lead Product(s) : ND081
Therapeutic Area : Gastroenterology
Study Phase : Preclinical
Recipient : Numab Therapeutics
Deal Size : Undisclosed
Deal Type : Collaboration
Numab and Kaken Collaborate On ND081 for Inflammatory Bowel Disease
Details : The collaboration aims to develop ND081, a potential first-in-class multi-specific antibody for the treatment of inflammatory bowel disease (IBD).
Product Name : Undisclosed
Product Type : Other Large Molecule
Upfront Cash : $14.6 million
November 15, 2024
Lead Product(s) : ND081
Therapeutic Area : Gastroenterology
Highest Development Status : Preclinical
Recipient : Numab Therapeutics
Deal Size : Undisclosed
Deal Type : Collaboration
Lead Product(s) : Betahistine Dimesilate
Therapeutic Area : Otolaryngology (Ear, Nose, Throat)
Study Phase : Approved FDF
Recipient : Eisai
Deal Size : $25.0 million
Deal Type : Divestment
Eisai to Divest Rights for Merislon and Myonal in Japan to Kaken Pharmaceutical
Details : Eisai divested its rights for Merislon (betahistine mesilate), used to treat Meniere's syndrome, and muscle relaxant Myonal (eperisone hydrochloride) in Japan to Kaken.
Product Name : Merislon
Product Type : Other Small Molecule
Upfront Cash : Undisclosed
March 29, 2024
Lead Product(s) : Betahistine Dimesilate
Therapeutic Area : Otolaryngology (Ear, Nose, Throat)
Highest Development Status : Approved FDF
Recipient : Eisai
Deal Size : $25.0 million
Deal Type : Divestment
Lead Product(s) : Seladelpar Lysine
Therapeutic Area : Hepatology (Liver, Pancreatic, Gall Bladder)
Study Phase : Phase III
Recipient : CymaBay Therapeutics
Deal Size : $162.4 million
Deal Type : Collaboration
Details : Under the terms of the agreement, Kaken receives an exclusive license to develop, commercialize and market MBX-8025 (seladelpar), a first-in-class treatment for people with primary biliary cholangitis (PBC), in Japan for PBC.
Product Name : Undisclosed
Product Type : Other Small Molecule
Upfront Cash : $34.0 million
August 01, 2023
Lead Product(s) : Seladelpar Lysine
Therapeutic Area : Hepatology (Liver, Pancreatic, Gall Bladder)
Highest Development Status : Phase III
Recipient : CymaBay Therapeutics
Deal Size : $162.4 million
Deal Type : Collaboration
Lead Product(s) : NM26-2198
Therapeutic Area : Dermatology
Study Phase : Phase I
Recipient : Numab Therapeutics
Deal Size : Inapplicable
Deal Type : Inapplicable
Numab Therapeutics Announces First Subject Dosed in Phase 1 Clinical Study of NM26 Program
Details : NM26-2198 is a bi-specific antibody which targets IL-4Rα (type I and type II receptors) and IL-31 for the treatment of moderate-to-severe atopic dermatitis (AD).
Product Name : Undisclosed
Product Type : Antibody
Upfront Cash : Inapplicable
May 15, 2023
Lead Product(s) : NM26-2198
Therapeutic Area : Dermatology
Highest Development Status : Phase I
Recipient : Numab Therapeutics
Deal Size : Inapplicable
Deal Type : Inapplicable
Lead Product(s) : Tildacerfont
Therapeutic Area : Genetic Disease
Study Phase : Phase II
Recipient : Spruce Biosciences
Deal Size : Undisclosed
Deal Type : Partnership
Details : SPR001 (tildacerfont) is a potent and highly selective, non-steroidal, oral antagonist of the corticotropin-releasing factor (CRF) 1 receptor. The CRF1 receptor is abundantly expressed in the pituitary gland where it is the primary regulator of the HPA a...
Product Name : Undisclosed
Product Type : Other Small Molecule
Upfront Cash : $15.0 million
May 01, 2023
Lead Product(s) : Tildacerfont
Therapeutic Area : Genetic Disease
Highest Development Status : Phase II
Recipient : Spruce Biosciences
Deal Size : Undisclosed
Deal Type : Partnership