- In addition to the above mentioned criteria, investigator/physician must confirm that the subject has no prohibited clinical condition (other medicines or other health conditions, such as hepatic or renal contra-indications). Further, all women of child bearing potential must be cautioned that DTG is not approved for use in pregnancy, and be advised that birth control measures should be in place while taking DTG. Subjects who were permanently discontinued from DTG in the previous study due to intolerance must not be included in this study.