Remotely triggered therapy

A particle for use in treating a cancer comprising:

• (a) an anticancer agent,
• (b) a carrier,
• (c) a material that interacts with an exogenous source,
• wherein the anticancer agent is encapsulated by the carrier,
• wherein the anticancer agent and the material in the particle exhibit stability such that the particle is considered passing the Efficacy Determination Protocol;
• wherein the particle structure is constructed such that it passes the Extractable Cytotoxicity Test;
• wherein the material absorbs the energy from the exogenous source and converts the energy into heat;
• and then the anticancer agent is released outside the particle.