Last updated 2026-07-19
Total raised
—
Last: A Round 2010-04
Stage
Series A
Founded
2005
Headcount
—
HQ
Jerusalem, Israel
Sector
—
About
ProtAb Ltd is focused on the development of therapeutic agents that modulate cytokine regulation, tipping the balance toward anti-inflammatory signaling pathways in the treatment of autoimmune and inflammatory diseases. The companys first product, Prozumab, is a monoclonal antibody with a novel mechanism of action. It is currently in late-stage preclinical development for the treatment of inflammatory bowel disease (IBD), ulcerative colitis (UC), and rheumatoid arthritis (RA). ProtAb operates as a subsidiary of Hadasit Bio-Holdings Ltd (HBL). HBL is a publicly traded subsidiary of Hadasit Ltd, the technology transfer company of the Hadassah University Hospital in Jerusalem, Israel.
Offices
Jerusalem, Israel · HQ / main office
Q&A
- What is ProtAb's primary focus?
- ProtAb Ltd focuses on developing therapeutic agents that modulate cytokine regulation to treat autoimmune and inflammatory diseases.
- What is ProtAb's lead product?
- ProtAb's first product is Prozumab, a monoclonal antibody with a novel mechanism of action, currently in late-stage preclinical development for inflammatory bowel disease (IBD), ulcerative colitis (UC), and rheumatoid arthritis (RA).
- When was ProtAb founded?
- ProtAb was founded in August 2005.
- What is ProtAb's current operational status?
- ProtAb is currently inactive, as of December 2017.
- Who are the lead investors in ProtAb's A Round funding?
- ProtAb's A Round funding in April 2010 was led by Pontifax and Clal Biotechnology Industries (CBI).
- What was the total amount raised by ProtAb?
- ProtAb has raised a total of $4,000,000 USD.
- Who is the founder of ProtAb?
- Yaakov Naparstek is the founder of ProtAb.
Sectors & technology
Sub-sectors
Health Tech & Life SciencesPharma & Medical BiotechnologyDrugs Discovery & Development
Technologies
Biologicals
Target customers
Healthcare & Life SciencesLife SciencesPharmaceuticals
Business model
B2B
Highlights
1 Patents
Tags
antibodiesinflammatory-diseasesbiotechnologydiabetespharmaceuticalstherapeuticsautoimmune-diseases
Full data — links, identifiers, deals & radar signals (jobs, patents, research, more)
Identifiers & details
| Legal name | ProtAb Ltd |
|---|---|
| Founded | 2005-8 |
| Status reason | Non Active, Dec 2017 |