ChOlecystectomy aFter successFul Endoscopic Common Bile Duct Stone Extraction in Elderly

Not a traditional drug trial — this study doesn't follow the standard phase structure.

Trial locations(12 sites)

Finland

Helsinki University Hospital, Jorvi, Espoo

Kanta-Häme Central Hospital, Hämeenlinna

Helsinki University Hospital, Meilahti, Helsinki

Pohjois-Karjala Central Hospital, Joensuu

Keski-Suomi Central Hospital, Jyväskylä

Kymenlaakso Central Hospital, Kotka

Kuopio University Hospital, Kuopio

Päijät-Häme Central Hospital, Lahti

Oulu University Hospital, Oulu

Tampere University Hospital, Tampere

Turku University Hospital, Turku

Vaasa Central Hospital, Vaasa