Inclusion Criteria:  Males and females with a diagnosis of SBS-IF secondary to surgical resection of the small intestine, with Colon-in-Continuity (CIC) or stoma, who have completed parent trials TA799-007 or TA799-013 Able to give informed consent and agree to follow the details of participation as outlined in the protocol.  Exclusion Criteria:  Subject not capable of understanding or not willing to adhere to the trial visit schedules and other protocol requirements. Any other reason judged not eligible by the Investigator. Pregnancy or lactation