[1][2][3] His primary goal was to remain independent of both the major powers in the region, the Roman and the Parthian Empires.
[2][3] The Roman general Lusius Quietus responded promptly by capturing and sacking Edessa.
Warwick Ball reports that Hadrian appointed Parthamaspates of Parthia as a puppet king of captured territories including Osroene in 117 CE.
[1] He also reports that the Romans reinstated the Abgar dynasty in 123 CE with the accession of Ma'nu VII.
[1] Drijvers & Healey (1999), by contrast, report that there was a span of two years following Abgar VII's death where Edessa had no king before the Abgar dynasty was reinstated by the Emperor Hadrian in 118 CE as a client kingdom of Rome.