| Impact of Anesthesia Maintenance Methods on 5-year Survival After Surgery (NCT05343260) | Peking University First Hospital | 2015-04-01 |
| Impact of Anesthesia Maintenance Methods on Long-term Survival (NCT02660411) | Peking University First Hospital | 2015-04-01 |
| Genetic Variants and Postoperative Pain (NCT03489499) | Insel Gruppe AG, University Hospital Bern | 2011-01-02 |
| Genetic Variants and Perioperative Morbidity and Mortality (NCT02124499) | Insel Gruppe AG, University Hospital Bern | 2011-01-02 |
| The Bern Perioperative Biobank (NCT04767685) | Insel Gruppe AG, University Hospital Bern | 2011-01-01 |
| Genetic Variants and Non-genetic Variables and Postoperative Nausea and Vomiting (NCT03490175) | Insel Gruppe AG, University Hospital Bern | 2011-01-01 |
| The Influence of NPPA/NPPB Haplotype on Natriuretic Peptide Plasma Levels (NCT04327258) | Insel Gruppe AG, University Hospital Bern | 2011-01-01 |
| Anticholinergic Risk Scale and Resource Use After Elective Noncardiac Surgery (NCT03151616) | Ottawa Hospital Research Institute | 2003-04-01 |
| Polypharmacy and Outcomes After Elective Noncardiac Surgery (NCT03133182) | Ottawa Hospital Research Institute | 2002-04-01 |