The purpose of this study is to find out if it is possible to establish a nutritional support program for people who are scheduled to receive primary debulking surgery.

Design: This will be a prospective observational study to assess the feasibility of implementing a preoperative nutrition supplementation program.

Inclusion Criteria:

• Age ≥ 18
• Scheduled to undergo primary surgical debulking of ovarian, fallopian tube and primary peritoneal cancer
• Have a sufficient preoperative window during which the intervention can occur, with the last day of supplementation at least one and no more than two days prior to surgery; scheduling of the procedure should not be delayed due to participation in this investigation

Exclusion Criteria:

• Have received neoadjuvant chemotherapy
• Debulking surgery scheduled less than 8 days from initial visit
• Are scheduled for a minimally invasive procedure
• Unable to tolerate oral intake or have gastrointestinal issues that would prevent or prohibit oral supplement consumption
• Have diabetes mellitus
• Have allergies to the Ensure Surgery Immunonutrition Shake supplement
• Have galactosemia

Ovarian Cancer

Eligible patients will include those who present to MSK for primary surgical management of ovarian cancer.

Memorial Sloan Kettering Cancer Center supports the international committee of medical journal editors (ICMJE) and the ethical obligation of responsible sharing of data from clinical trials. The protocol summary, a statistical summary, and informed consent form will be made available on clinicaltrials.gov when required as a condition of Federal awards, other agreements supporting the research and/or as otherwise required. Requests for deidentified individual participant data can be made beginning 12 months after publication and for up to 36 months post publication. Deidentified individual participant data reported in the manuscript will be shared under the terms of a Data Use Agreement and may only be used for approved proposals. Requests may be made to: crdatashare@mskcc.org.