We specialize in conducting GCP-compliant scientific and innovative clinical trials of all phases and regulatory classifications in the fields of ophthalmology and ear, nose and throat (ENT). Our many years of experience in organizing and conducting clinical trials make us a trusted partner.
Vassili Valayannopoulos 1 , Manohar Bance 2 , Daniela S Carvalho 3 , John H Greinwald Jr 4 , Steven A Harvey 5 , Akira Ishiyama 6 , Evie C Landry 7 , Hubert Löwenheim 8 , Lawrence R Lustig 9 , Manuel Manrique 10 , Robert Nash 11 , Rubén Polo 12 , Cedric V Pritchett 13 , Jay T Rubinstein 14 , A Eliot Shearer 15 , Ignacio Del Castillo 16 17 , Jeffery J Anderson 1 , C Eduardo Corrales 1 18 , Tera M Quigley 1 , William J Riggs 1 , Peter Weber 1 , Gary Wilson 1 , Susan C Irvin 1 , Hazem E Hassan 1 , Yanping Chen 1 , Rong Liu 1 , Meghan C Drummond 1 , Leah R Sabin 1 , Bret J Musser 1 , George D Yancopoulos 1 , Christos A Kyratsous 1 , Gary A Herman 1 , Aris Baras 1 , Jonathon P Whitton 1 ; CHORD Study Group
N Engl J Med. 2025 Oct 12.
DOI: 10.1056/NEJMoa2400521Frank G Holz 1,✉, Yannick Le Mer 2, Mahiul MK Muqit 3, Lars-Olof Hattenbach 4, Andrea Cusumano 5, Salvatore Grisanti 6, Laurent Kodjikian 7, Marco Andrea Pileri 8, Frederic Matonti 9, Eric Souied 10, Boris V Stanzel 11, Peter Szurman 12, Michel Weber 13, Karl Ulrich Bartz-Schmidt 14, Nicole Eter 15, Marie Noelle Delyfer 16, Jean François Girmens 17, Koen A van Overdam 18, Armin Wolf 19, Ralf Hornig 20, Martina Corazzol 20, Frank Brodie 21, Lisa Olmos de Koo 22, Daniel Palanker 23,*, José-Alain Sahel 2,17,24,*
doi: 10.1056/NEJMoa2501396
Focus: Top National Hospital 2026
Stern: Germany's Outstanding Employers in Nursing 24/25
Quality partnership with the PKV
Family as a success factor
Pension provision for the public sector
