(SIX: BSLN). Please visit basilea.com 
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. 
 
   Disclaimer 
 
   This communication expressly or implicitly contains certain 
forward-looking statements, such as "believe", "assume", "expect", 
"forecast", "project", "may", "could", "might", "will" or similar 
expressions concerning Basilea Pharmaceutica Ltd. and its business, 
including with respect to the progress, timing and completion of 
research, development and clinical studies for product candidates. Such 
statements involve certain known and unknown risks, uncertainties and 
other factors, which could cause the actual results, financial condition, 
performance or achievements of Basilea Pharmaceutica Ltd. to be 
materially different from any future results, performance or 
achievements expressed or implied by such forward-looking statements. 
Basilea Pharmaceutica Ltd. is providing this communication as of this 
date and does not undertake to update any forward-looking statements 
contained herein as a result of new information, future events or 
otherwise. Derazantinib and its uses are investigational and have not 
been approved by a regulatory authority for any use. Efficacy and safety 
have not been established. The information presented should not be 
construed as a recommendation for use. The relevance of findings in 
nonclinical/preclinical studies to humans is currently being evaluated. 
 
   For further information, please contact: 
 
 
 
 
  Peer Nils Schröder, PhD 
   Head of Corporate Communications & Investor Relations 
  Phone                                     +41 61 606 1102 
  E-mail        media_relations@basilea.com 
                 investor_relations@basilea.com 
 
 
   This press release can be downloaded from www.basilea.com. 
 
   References 
 
 
   1. FIDES-01: ClinicalTrials.gov identifier: NCT03230318 
 
   2. Topline results of cohort 1 of the FIDES-01 study were published on 
      February 10, 2021 (see press release 
      https://www.basilea.com/news/news/basilea-reports-positive-topline-results-from-phase-2-study-fides-01-for-derazantinib-in-fgfr2-gene-fusion-positive-patients-with-bile-duct-cancer-icca 
      ). Interim results of cohort 2 of the FIDES-01 study were published on 
      March 24, 2021 (see press release 
      https://www.basilea.com/news/news/basilea-reports-positive-interim-results-from-phase-2-study-fides-01-for-derazantinib-in-fgfr2-gene-mutation-or-amplification-positive-patients-with-bile-duct-cancer-icca 
      ) 
 
   3. Results from the dose-finding part of FIDES-02 were published on February 
      12, 2021 (see press release 
      https://www.basilea.com/news/news/basilea-reports-derazantinib-pd-l1-checkpoint-inhibitor-combination-results-from-dose-finding-part-of-fides-02-study-in-patients-with-solid-tumors-at-asco-gu-symposium 
      ) 
 
   4. T. G. Hall, Y. Yu, S. Eathiraj et al. Preclinical activity of ARQ 087, a 
      novel inhibitor targeting FGFR dysregulation. PLoS ONE 2016, 11 (9), 
      e0162594 
 
   5. R. Porta, R. Borea, A. Coelho et al. FGFR a promising druggable target in 
      cancer: Molecular biology and new drugs. Critical Reviews in 
      Oncology/Hematology 2017 (113), 256-267 
 
   6. T. Helsten, S. Elkin, E. Arthur et al. The FGFR landscape in cancer: 
      Analysis of 4,853 tumors by next-generation sequencing. Clinical Cancer 
      Research 2016 (22), 259-267 
 
   7. P. McSheehy, F. Bachmann, N. Forster-Gross et al. Derazantinib (DZB): A 
      dual FGFR/CSF1R-inhibitor active in PDX-models of urothelial cancer. 
      Molecular Cancer Therapeutics 2019 (18), 12 supplement, pp. LB-C12 
 
   8. M. A. Cannarile, M. Weisser, W. Jacob et al. Colony-stimulating factor 1 
      receptor (CSF1R) inhibitors in cancer therapy. Journal for ImmunoTherapy 
      of Cancer 2017, 5:53 
 
   9. Y. Zhu, B. L. Knolhoff, M. A. Meyer et al. CSF1/CSF1R Blockade reprograms 
      tumor-infiltrating macrophages and improves response to T cell checkpoint 
      immunotherapy in pancreatic cancer models. Cancer Research 2014 (74), 
      5057-5069 
 
  10. E. Peranzoni, J. Lemoine, L. Vimeux et al. Macrophages impede CD8 T cells 
      from reaching tumor cells and limit the efficacy of anti--PD-1 treatment. 
      Proceedings of the National Academy of Science of the United States of 
      America 2018 (115), E4041-E4050 
 
  11. V. Mazzaferro, B. F. El-Rayes, M. Droz dit Busset et al. Derazantinib 
      (ARQ 087) in advanced or inoperable FGFR2 gene fusion-positive 
      intrahepatic cholangiocarcinoma. British Journal of Cancer 2019 (120), 
      165-171. ClinicalTrials.gov identifier: NCT01752920 
 
  12. FIDES-02: ClinicalTrials.gov identifier: NCT04045613 
 
  13. FIDES-03: ClinicalTrials.gov identifier: NCT04604132 
 
  14. S. K. Saha, A. X. Zhu, C. S. Fuchs et al. Forty-year trends in 
      cholangiocarcinoma incidence in the U.S.: intrahepatic disease on the 
      rise. The Oncologist 2016 (21), 594-599 
 
  15. A. Lamarca, D. H. Palmer, H. S. Wasa et al. Second-line FOLFOX 
      chemotherapy versus active symptom control for advanced biliary tract 
      cancer (ABC-06): a phase 3, open-label, randomised, controlled trial. 
      Lancet Oncology 2021 (22):690-701 
 
  16. B. Dietrich, S. Srinivas. Urothelial carcinoma: the evolving landscape of 
      immunotherapy for patients with advanced disease. Research and reports in 
      urology 2018 (10), 7-16 
 
  17. A. O. Siefer-Radtke, A. Necchi, E. Rosenbaum et al. Efficacy of 
      programmed death 1 (PD-1) and programmed death 1 ligand (PD-L1) 
      inhibitors in patients with FGFR mutations and gene fusions: Results from 
      a data analysis of an ongoing phase 2 study of erdafitinib (JNJ-42756493) 
      in patients with advanced urothelial cancer. Journal of Clinical Oncology 
      2018 (36), supplement, abstract 450 
 
  18. Y. Loriot, A. Necchi, S. H. Park et al. Erdafitinib in locally advanced 
      or metastatic urothelial carcinoma. New England Journal of Medicine 2019 
      (381), 338-348 
 
  19. F. M Johnston, M. Beckman. Updates on management of gastric cancer. 
      Current Oncology Reports 2019 (21), 67 
 
  20. M. Orditura, G. Galizia, V. Sforza et al. Treatment of gastric cancer, 
      World Journal of Gastroenterology 2014 (20), 1635-1649 
 
  21. A. Bass, V. Thorsson, I. Shmulevich et al. Comprehensive molecular 
      characterization of gastric adenocarcinoma. Nature 2014 (513), 202-209 
 
 
   Attachment 
 
 
   -- Press release (PDF) 
      http://ml-eu.globenewswire.com/Resource/Download/0294fdd6-7ebb-4db1-94ab-ce3165b9b518

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May 31, 2021 01:15 ET (05:15 GMT)