Provided herein are compounds, compositions, conjugates and methods for the treatment of diseases, and/or conditions such as, but not limited to, proliferative diseases. In certain embodiments, compounds, compositions, and conjugates are provided, which include cyclodextrin-based linker-payloads and protein conjugates thereof, and/or in combination with other agents. By administering these compounds, compositions, and conjugates as described herein to specific target cells, side-effects due to non-specific binding phenomena, for example, to non-target cells are reduced.
