OpGen, Inc. announced that it has submitted an updated 510(k) summary document to the U.S. FDA for its Acuitas AMR Gene Panel for Isolates. This document incorporates all of the FDA’s requested updates to various key documents such as the Package Insert, Electronic User Guide, and Operator Manual. Consistent with the FDA’s previously communicated timeline, the FDA provided substantive feedback on all of these key documents by the end of May 2021. The FDA previously informed OpGen that it intends to complete its review by the end of August 2021, but that it cannot commit to a timeline and that such timeline can be affected by various factors, including the FDA’s other workload and public health priorities.