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Observational Study
. 2021 Nov;11(11):2780-2795.
doi: 10.1158/2159-8290.CD-21-0126. Epub 2021 Jun 10.

Comprehensive Genomic and Transcriptomic Analysis for Guiding Therapeutic Decisions in Patients with Rare Cancers

Peter Horak #  1   2 Christoph Heining #  3   4   5 Simon Kreutzfeldt #  1   2 Barbara Hutter #  6   7 Andreas Mock #  1   2   8 Jennifer Hüllein #  6 Martina Fröhlich #  6   7 Sebastian Uhrig #  6   7 Arne Jahn  4   5   9 Andreas Rump  4   5   9 Laura Gieldon  9   10 Lino Möhrmann  3   4   5 Dorothea Hanf  3   4   5 Veronica Teleanu  1   2   11 Christoph E Heilig  1   2 Daniel B Lipka  1   2 Michael Allgäuer  12 Leo Ruhnke  3   4   5 Andreas Laßmann  1 Volker Endris  12 Olaf Neumann  12 Roland Penzel  12 Katja Beck  1   2 Daniela Richter  3   4   5 Ulrike Winter  1   2 Stephan Wolf  2   13 Katrin Pfütze  2   14 Christina Geörg  2   14 Bettina Meißburger  2   14 Ivo Buchhalter  15 Marinela Augustin  16 Walter E Aulitzky  17 Peter Hohenberger  18   19 Matthias Kroiss  20   21   22 Peter Schirmacher  2   12 Richard F Schlenk  2   8   11   23 Ulrich Keilholz  24   25 Frederick Klauschen  25   26 Gunnar Folprecht  5   27 Sebastian Bauer  28   29 Jens Thomas Siveke  29   30   31 Christian H Brandts  32   33   34   35 Thomas Kindler  36   37   38 Melanie Boerries  39   40   41 Anna L Illert  39   41   42 Nikolas von Bubnoff  42   43 Philipp J Jost  44   45   46 Karsten Spiekermann  46   47 Michael Bitzer  48   49 Klaus Schulze-Osthoff  49   50 Christof von Kalle  51 Barbara Klink  4   5   9   52   53 Benedikt Brors  2   7 Albrecht Stenzinger  2   12 Evelin Schröck  4   5   9 Daniel Hübschmann  2   6   54 Wilko Weichert  46   55 Hanno Glimm #  56   4   5 Stefan Fröhling #  57   2
Affiliations
Observational Study

Comprehensive Genomic and Transcriptomic Analysis for Guiding Therapeutic Decisions in Patients with Rare Cancers

Peter Horak et al. Cancer Discov. 2021 Nov.

Abstract

The clinical relevance of comprehensive molecular analysis in rare cancers is not established. We analyzed the molecular profiles and clinical outcomes of 1,310 patients (rare cancers, 75.5%) enrolled in a prospective observational study by the German Cancer Consortium that applies whole-genome/exome and RNA sequencing to inform the care of adults with incurable cancers. On the basis of 472 single and six composite biomarkers, a cross-institutional molecular tumor board provided evidence-based management recommendations, including diagnostic reevaluation, genetic counseling, and experimental treatment, in 88% of cases. Recommended therapies were administered in 362 of 1,138 patients (31.8%) and resulted in significantly improved overall response and disease control rates (23.9% and 55.3%) compared with previous therapies, translating into a progression-free survival ratio >1.3 in 35.7% of patients. These data demonstrate the benefit of molecular stratification in rare cancers and represent a resource that may promote clinical trial access and drug approvals in this underserved patient population. SIGNIFICANCE: Rare cancers are difficult to treat; in particular, molecular pathogenesis-oriented medical therapies are often lacking. This study shows that whole-genome/exome and RNA sequencing enables molecularly informed treatments that lead to clinical benefit in a substantial proportion of patients with advanced rare cancers and paves the way for future clinical trials.See related commentary by Eggermont et al., p. 2677.This article is highlighted in the In This Issue feature, p. 2659.

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