• CLS is granted approximately SEK 20 million in project funding from the EU program Horizon 2020. The project involves three clinical studies and activities related to these.
  • The Company finalizes its first post-market clinical follow-up report. The report is based on eight imILT® treatments with the TRANBERG® System. There have been no serious side effects reported that can be linked to the treatment – the system is safe provided that the treatment instructions are followed.
  • CLS signs a letter of intent with the Department of Radiology at the University of Texas Medical Branch (UTMB).


  • The US FDA grants CLS approval to market and sell its product, the TRANBERG® | Thermal Therapy System, on the US market.
  • In cooperation with the University Hospital of Verona in Italy and the Institut Paoli-Calmettes in Marseille, France, CLS is granted approval to conduct studies of the treatment of pancreatic cancer. 


  • The Company releases a supplementary treatment kit that enables percutaneous treatment (i.e. treatment via needle stick approach) of tumors that are up to 35 centimeters deep in the body.
  • CLS submits a 510(k) application to the US Food and Drug Administration (FDA) to seek approval of the TRANBERG® System for the US market.


  • CLS is granted approval for CE marking of the TRANBERG® | Cancer Immunotherapy System.
  • CLS initiates clinical studies in cooperation with a European medical center and begins development of additional treatment kits for outpatient use.


  • The fourth round of funding is secured, providing SEK 20 million.
  • The treatment system is tested and documented in accordance with the Medical Devices Directive 93/42/EEC (MDD).
  • The Company’s partner INTERmedic delivers its first product in the “0 series”.


  • CLS’ quality assurance system is certified in accordance with ISO 13485.
  • A collaboration is established with a US laser fiber supplier.
  • The Company enters into a cooperation agreement with Spanish development and production partner INTERmedic.


  • The third round of funding is secured, providing SEK 16 million.
  • The first prototype is complete.


  • The Company is listed on the Aktietorget stock exchange.
  • The second round of funding is secured, providing SEK 5 million.


  • CLS wins Venture Cup Syd, a business plan competition aimed at promoting the implementation of business ideas. 


  • Clinical Laserthermia Systems (CLS) is founded by Karl-Göran Tranberg, Pär Henriksson and Lars-Erik Eriksson with the aim of developing a commercial product based on Professor Tranberg’s discovery that will be used by doctors to treat cancer worldwide.
  • The first round of funding is secured.
  • The Company enters into a cooperation agreement with a Swedish prototype development partner.
  • Professor Karl-Göran Tranberg discovers that heat from laser beams can not only destroy cancer locally under the right conditions, but also stimulate the immune system to attack cancer throughout an organism.
Anmäl dig till vårt nyhetsbrev
We respect your privacy.