El Hospital Universitario Donostia es el segundo Complejo Hospitalario más grande del País Vasco, España. Con 1172 camas y 30 quirófanos. Cuenta con más de 3.800 profesionales y dispone de casi todas las especialidades médicas. Atiende anualmente a 3.500 partos, 50.000 ingresos y 800.000 consultas externas.​

During the past decade, Hospital Universitario Donostia conducted 124 clinical trials. In the 10-year time frame, 124 clinical trials started and 33 clinical trials were completed, i.e. on average, 26.6% percent of trials that started reached the finish line to date. In the past 5 years, 57 clinical trials started and 24 clinical trials were completed. i.e. 42.1% of trials that started reached the finish line.

Out of the total clinical trials conducted in "Hospital Universitario Donostia" #1 sponsor was "PETHEMA Foundation" with 13 trials, followed by "Spanish Breast Cancer Research Group" with 9 trials sponsored, "Celgene" with 7 trials sponsored, "Fundacion SEIMC-GESIDA" with 7 trials sponsored and "Gilead Sciences" with 7 trials sponsored. Other sponsors include 160 different institutions and companies that sponsored additional 124 trials in total.

In terms of collaborators to trials, out of the total clinical trials conducted in "Hospital Universitario Donostia" #1 collaborator was "Pfizer" with 8 trials as a collaborator, "Instituto de Salud Carlos III" with 7 trials as a collaborator, "Hoffmann-La Roche" with 6 trials as a collaborator, "Abbott" with 4 trials as a collaborator and "AstraZeneca" with 4 trials as a collaborator. Other collaborators include 151 different institutions and companies that were collaborators in the rest 138 trials.

According to Clinical.Site data, the most researched conditions in "Hospital Universitario Donostia" are "Breast Cancer" (11 trials), "HIV Infections" (8 trials), "Multiple Myeloma" (7 trials), "Coronary Artery Disease" (6 trials) and "HIV Infection" (5 trials). Many other conditions were trialed in "Hospital Universitario Donostia" in a lesser frequency.

Most popular intervention types in "Hospital Universitario Donostia" are "Drug" (123 trials), "Device" (25 trials), "Other" (23 trials), "Procedure" (11 trials) and "Biological" (10 trials). Other intervention types were less common.

The name of intervention was led by "Placebo" (21 trials), "Dexamethasone" (8 trials), "Paclitaxel" (7 trials), "Carboplatin" (5 trials) and "Cyclophosphamide" (5 trials). Other intervention names were less common.

The vast majority of trials in "Hospital Universitario Donostia" are 181 trials for "All" genders, 22 trials for "Female" genders and 3 trials for "Male" genders.

Currently, there are NaN active trials in "Hospital Universitario Donostia". 1 are not yet recruiting, 45 are recruiting, 32 are Active, not recruiting, and undefined are Enrolling by invitation. In total, there were 101 completed trials in Hospital Universitario Donostia, 1 suspended trials, and 16 terminated clinical trials to date.

Out of the total trials that were conducted in Hospital Universitario Donostia, 3 "Phase 1" clinical trials were conducted, 34 "Phase 2" clinical trials and 64 "Phase 3" clinical trials were conducted as well. "Phase 4" trials included 30 trials, and there were also 13 trials that are defined as “Not Applicable".