Insights

Strategic funding Lassen Therapeutics recently closed an oversubscribed Series B financing of 85 million dollars, signaling strong investor confidence and potential for accelerated clinical development and partnering discussions with biotech and pharma companies seeking late-stage collaboration opportunities.

Clinical focus The company is advancing first-in-class antibodies LASN01 targeting IL-11R for fibro-inflammatory diseases like TED and IPF, and LASN500 targeting IL-18BP for cancer, placing Lassen at the intersection of high-need indications with potential for co-development or licensing deals with specialty pharmaceutical holders and oncology/respiratory portfolios.

Leadership momentum With a new CEO appointed in 2023 and a track record of presenting Phase I data at major conferences, Lassen is signaling strategic execution capability and readiness for external collaborations, making it a fit for strategic BD partnerships and sponsored research arrangements.

Clinical outreach Active engagement in prominent industry events (ATS, AACR, Keystone Symposia) and ongoing data publications indicate a proactive approach to visibility and validation, creating multiple touchpoints for partnership conversations with biotech, pharma, and contract research organizations.

Financial health Current revenue range ($1M-$10M) alongside substantial funding and clinical-stage status suggests readiness for co-development or milestone-based deals to de-risk programs, as well as potential for strategic licensing discussions with larger biopharma seeking late-stage collaboration opportunities.

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Lassen Therapeutics Tech Stack

Lassen Therapeutics uses 8 technology products and services including WordPress, Microsoft 365, Google Fonts API, and more. Explore Lassen Therapeutics's tech stack below.

  • Content Management System
  • Google Fonts API
    Font Scripts
  • jQuery Migrate
    Javascript Libraries
  • Platform As A Service
  • Cloudflare Bot Management
    Security
  • Apache
    Web Servers
  • Sitelinks Search Box
    Web Tools And Plugins

Media & News

Lassen Therapeutics's Email Address Formats

Lassen Therapeutics uses at least 1 email format:
Lassen Therapeutics Email FormatsExamplePercentage
FLast@lassentherapeutics.comJDoe@lassentherapeutics.com
100%

Frequently Asked Questions

What is Lassen Therapeutics's official website and social media links?

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Lassen Therapeutics's official website is lassentherapeutics.com and has social profiles on LinkedIn and Crunchbase.

How much revenue does Lassen Therapeutics generate?

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As of October 2026, Lassen Therapeutics's annual revenue is estimated to be $1M - $10M.

What is Lassen Therapeutics's SIC code and NAICS code?

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Lassen Therapeutics's SIC code is 8731 - Commercial Physical and Biological Research and NAICS code is 541714 - Research and Development in Biotechnology (except Nanobiotechnology).

How many employees does Lassen Therapeutics have currently?

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As of October 2026, Lassen Therapeutics has approximately 8 employees across 1 continents, including North America. Key team members include Vice President, Clinical Operations: B. R., Sr Cra: C. S. and Deputy General Counsel: A. K. Y. Explore Lassen Therapeutics's employee directory with LeadIQ.

What industry does Lassen Therapeutics belong to?

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Lassen Therapeutics operates in the Biotechnology Research industry.

What technology does Lassen Therapeutics use?

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Lassen Therapeutics's tech stack includes WordPress, Microsoft 365, Google Fonts API, jQuery Migrate, WP Engine, Cloudflare Bot Management, Apache and Sitelinks Search Box.

What is Lassen Therapeutics's email format?

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Lassen Therapeutics's email format typically follows the pattern of FLast@lassentherapeutics.com. Find more Lassen Therapeutics email formats with LeadIQ.

How much funding has Lassen Therapeutics raised to date?

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As of October 2026, Lassen Therapeutics has raised $116M in funding. The last funding round occurred on Dec 19, 2023 for $85M.

When was Lassen Therapeutics founded?

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Lassen Therapeutics was founded in 2019.
Lassen Therapeutics logo

Lassen Therapeutics

Biotechnology ResearchCalifornia, United States2-10 Employees

Lassen Therapeutics is a clinical-stage biotechnology company developing novel antibody therapeutics for fibrotic and inflammatory diseases. It is advancing first-in-class programs that target the interleukin-11 receptor (IL-11R) and interleukin-18 binding protein (IL-18BP), with potential applications in conditions such as thyroid eye disease and idiopathic pulmonary fibrosis. The company aims to deliver therapies that could alter disease progression and improve patient outcomes in serious diseases.

Based in San Diego, California, Lassen Therapeutics has pursued collaborations with medical centers, including a 2021 partnership with Cedars-Sinai to advance IPF research. In September 2023 the company disclosed new clinical and preclinical data for LASN01, a candidate for fibro-inflammatory diseases such as TED and IPF.

Section iconCompany Overview

SIC Code
8731 - Commercial Physical and Biological Research
NAICS Code
541714 - Research and Development in Biotechnology (except Nanobiotechnology)
Founded
2019
Employees
2-10

Section iconFunding & Financials

  • $116M

    Lassen Therapeutics has raised a total of $116M of funding over 2 rounds. Their latest funding round was raised on Dec 19, 2023 in the amount of $85M as a Series B.

  • $1M - $10M

    Lassen Therapeutics's revenue is estimated to be in the range of $1M - $10M

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