O
Optieum Biotechnologies
Biotech & Life Sciences · Japan · Founded 2020
Boutoptimum bio technologies, inc MoreLess
Optieum Biotechnologies, founded in Japan in 2020 by Toshiki Ochi and Chiho Noda, is a preclinical-stage biotechnology firm concentrated on developing next-generation Chimeric Antigen Receptor (CAR)-T cell therapies for cancer. The company's business model is centered on research and development, forming strategic partnerships with other biotechnology and pharmaceutical companies, and out-licensing its proprietary technology. Revenue generation is structured around upfront payments, milestone achievements, and royalties from these collaborations.
The core of Optieum's operations is its proprietary CAR discovery engine, the Eumbody System. This platform diverges from conventional methods by focusing on the functional capabilities of T-cells rather than just binding affinity. It employs empirical methodologies and functional screening to identify and optimize CAR constructs, specifically the single-chain variable fragment (scFv) binding domains. The system is engineered to fine-tune the activation threshold of T-cells, which enhances their ability to proliferate, react to tumor profiles, and prevent antigen escape.
Optieum's therapeutic pipeline targets both hematological malignancies and solid tumors. A primary focus is on solid tumors, which have traditionally been challenging for CAR-T therapies. Its lead candidate, OPTF01, targets Fibroblast Activation Protein Alpha (FAPα), a protein found on cancer-associated fibroblasts (CAFs) that are crucial to the tumor microenvironment. This approach aims to disrupt the tumor's supportive structure while attacking the cancer cells directly. OPTF01 is currently advancing toward an Investigational New Drug (IND) filing with the U.S. FDA for treating glioblastoma, an aggressive brain cancer. The company has secured significant funding to advance this program, including a ¥1.33 billion Series A round in January 2025 and a grant of up to $39 million from the Japan Agency for Medical Research and Development (AMED). To support the manufacturing of its therapies, Optieum has entered into partnerships with Contract Development and Manufacturing Organizations (CDMOs) like Genezen and Cellipont Bioservices for the production of materials required for its clinical trials.
Keywords: CAR-T cell therapy, solid tumors, Eumbody System, cancer immunotherapy, glioblastoma, preclinical biotechnology, FAPα target, single-chain variable fragment, T-cell activation, drug discovery, oncology therapeutics, fibroblast activation protein, hematological malignancies, cell therapy manufacturing, immune-oncology, therapeutic pipeline, biopharmaceutical partnerships, gene therapy, cancer-associated fibroblasts, clinical development
Company overview
Optieum Biotechnologies company information
The essential company record, classifications and operating signals in one place.
- Status
- Operational
- Founded
- 2020
- Headquarters
- Japan
- Employees
- 17
- Open positions
- None listed
- Dealroom signal
- 81.5
Valuation & funding
Optieum Biotechnologies funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| EARLY VCOther financing | Apr 2026 | $0 | — | Vision Incubate | ↗ |
| EARLY VCOther financing | Jan 2025 | $10M | $41M | Keio Innovation Initiative | ↗ |
| SEEDOther financing | Mar 2022 | $3M | $12M | ANRI · Iyogin Capital · Saisei Ventures · UntroD Capital | — |
| SEEDOther financing | Sep 2021 | $2.2M | $8.9M | UntroD Capital · ANRI · Iyogin Capital | — |
Financials
Workforce over time
Available workforce history. Financial fields without reported data are omitted.
| Year | Employees |
|---|---|
| 2026 | 17 |
| 2025 | 11 |
Growth signals
Optieum Biotechnologies website traffic
Latest recorded traffic for Optieum Biotechnologies is 1.3K monthly website visits, up 828.6% over the last three months. Optieum Biotechnologies's team grew 54.5% over the past year.
Comparisons
Optieum Biotechnologies compared with similar companies
Dealroom’s weighted taxonomy model identifies the closest operating peers. Company identity and context stay open; selected comparison metrics preview what is available in the platform.
Talent graph
Optieum Biotechnologies's talent
Source: Dealroom Talent Intelligence.
Investors
7 investors on Optieum Biotechnologies's cap table
Sourced from Dealroom's funding and investor records.





Global footprint
Where Optieum Biotechnologies has talent and traffic
team presence
In the news
Latest news about Optieum Biotechnologies
Recent press, funding announcements, and product moves mentioning Optieum Biotechnologies — open to read from the original sources.
Market sentiment
What the market is saying about Optieum Biotechnologies
An AI-synthesized read of the highest-engagement posts about Optieum Biotechnologies on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
See Optieum Biotechnologies’s full profile on Dealroom
Request a free trial to see the complete deal history, financials, people graph and growth signals.
Takes under a minute. Already use Dealroom? Log in.







