The Studite rule was developed by Stoudios in Constantinople in the 5th century and Saint Theodore the Studite (760-826) and spread to Ukraine in the 11th century by Saint Theodosius of Kyiv.
The Studite rule was developed at the Stoudios monastery of Constantinople, from the 5th century onward, especially by Saint Theodore the Studite (760-826). The rule was brought to Kievan Rus in the 11th century by Saint Theodosius of Kyiv.