Bringing hope 
through science

Helping patients with 
difficult-to-treat cancers

Oncopeptides develops cancer therapies based on proprietary technology. We focus on diseases with significant unmet medical need, advancing science from discovery to commercialization.

Latest updates

March 16, 2026

Oncopeptides initiates MARINA study to strengthen real-world evidence for Pepaxti in Germany

Science
March 11, 2026

CEO Sofia Heigis presents Oncopeptides at Aktiespararna

Investor

For patients with few options, innovation offers hope

At Oncopeptides, we are dedicated to turning research into therapies that change lives. This is how we do it.

Our Science

We are innovative and curious, and committed to bringing innovation to patients with rare hematological diseases. We are passionate to make a difference for patients who have an urgent need for better treatment options.

Pepaxti

Melflufen is the first Peptide Drug Conjugate (PCD) with an alkylating payload. The drug utilizes peptidases and esterases that are overexpressed in multiple myeloma cells, to release a toxic payload inside cells, to damage DNA and kill cancer cells.

Pipeline

Through its two innovation platforms PDC and SPiKE, Oncopeptides aims to leverage its knowledge to develop new drugs addressing some of the most difficult-to-treat cancers. 

A Journey of Innovation

Founded in 2000 by leading Swedish cancer researchers, Oncopeptides has spent over two decades advancing treatments for difficult-to-treat cancers.

Investor updates

Press releases

March 31, 2026

Number of shares and votes in Oncopeptides

March 17, 2026

Outcome in Oncopeptides’ rights issue

Financial reports

Financial calendar

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Learn more about the company Oncopeptides and the work we do to redefine cancer care

Learn more about the company Oncopeptides and the work we do to redefine cancer care

Learn more about the company Oncopeptides and the work we do to redefine cancer care

Learn more about the company Oncopeptides and the work we do to redefine cancer care

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