SOLTI ( is a leading cooperative group in the field of clinical cancer research. With a consolidated track record of more than 25 years, its main activity focuses on the design and execution of translational clinical studies within the academic field. The main focus is on breast cancer, but its scope covered includes other tumors. With the accumulated experience of 80 clinical trials and more than 30 in progress, SOLTI gathers the work of 480 researchers from a network comprising more than 100 hospitals in Spain, Portugal and Ireland all coordinated by a team of more than 60 employees from the headquarters. SOLTI is a member of the Spanish Society of Medical Oncology (SEOM) and, in addition to its scientific activity, has a Medical and Patient Education program with multiple annual initiatives. SOLTI’s mission is to utilize disruptive means to develop innovative research that will improve the well-being and future outcomes of cancer patients.


With a traslational-basis, our trials are grouped under three programs:

  • Clinical Trial Program: phase I, II and III classical trials, proof-of-concept. Involving quite a large period of time, they give us information on a drug’s efficacy.
  • Biomarker Program: trials with no drug-intervention. Samples collection + correlative analysis of tumors and liquid biopsies. Looking for clinically-predictive biomarkers and mechanisms of resistance.
  • Window Program: very informative trials at a biological level. They take advantage of the period between the diagnosis and surgery to test new therapeutic strategies.


SOLTI members benefit from:

  • Development: develop your own ideas, both in clinical trials and in research projects.
  • Support: we help you create, finance and execute projects to respond to medical needs.
  • Opportunities: Involve your site to participate in a test at different stages of development and access the best therapeutic options for your patients.
  • Visibility: establish yourself as a KOL in front of the pharmaceutical industry and get authorship in publications.
  • Training: enjoy our activities and training projects for free.
  • Networking: we encourage the sharing of molecular data and help young researchers to be principal investigators in different studies.

Become a member now!