Serial FDG PET can serve as a pharmacodynamic marker of response to chemotherapy in several tumors, including breast [13 15].
As HVTT shortens with more disease, this method has been suggested as a marker of response to antiviral treatment in HCV [62].
Sleep disturbance is common in depressed patients and changed sleep wake architecture is considered as potential predictor or surrogate marker of response to treatment.
The improvement in outcomes in responders indicates the definition used for hemodynamic response may be an appropriate pharmacodynamic marker of response to AVP therapy and should be further evaluated in future studies.
Although MGMT methylation status appears to be a predictive marker of response to TMZ in patients with newly diagnosed GBM [7], there have been several issues which have prevented widespread adoption of this marker in clinical practice.
Availability of noninvasive assessment of vascular physiology within the tumor and its surrounding tissue would provide an extremely useful marker of response, and more critically, of non-response to antiangiogenic therapy.
Additional data are therefore required to clarify the role of sHER2 as a marker of response.
The only significant independent marker of response to treatment was clinical stage.
These spectral changes can be used as a marker of response to therapy.
Exploratory analysis of the individual chromosomes highlighted Ch7CEP as another candidate marker of response to anthracyclines.
Consequently, the PIK3CA analysis was not suggested as a single marker of response.
