Any psychological, familial, sociological, or geographical condition that could potentially interfere with compliance with the study protocol and follow-up schedule Psychological, familial, sociological, or geographical conditions that potentially hamper compliance with the study protocol and follow-up schedule; those conditions should be discussed with the patient before registration in the trial Psychological, familial, or sociological condition potentially hampering compliance with the study protocol and follow-up schedule Psychological, familial, sociological or geographical factors potentially hampering compliance with the study protocol and follow-up schedule. Psychological, familial, sociological, or geographical factors potentially hampering compliance with the study protocol and follow-up schedule Psychological, familial, sociological or geographical factors potentially hampering compliance with the study protocol and follow-up schedule Psychological, familial, sociological, or geographical conditions that potentially hamper compliance with the study protocol and follow-up schedule; those conditions should be discussed with the subject before registration in the trial Any psychological, familial, sociological, or geographical condition that could potentially interfere with compliance with the study protocol and follow-up schedule Any psychological, familial, sociological, or geographical condition that could potentially interfere with compliance with the study protocol and follow-up schedule Psychological, familial, sociological or geographical factors potentially hampering compliance with the study protocol and follow-up schedule Any psychological, familial, sociological, or geographical condition that could potentially interfere with compliance with the study protocol and follow-up schedule Any psychological, familial, sociological, or geographical condition that could potentially interfere with compliance with the study protocol and follow-up schedule Any psychological, familial, sociological, or geographical condition that could potentially interfere with compliance with the study protocol and follow-up schedule Absence of any psychological, familial, sociological, or geographical condition potentially hampering compliance with the study protocol and follow-up schedule Presence of any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule, including alcohol dependence or drug abuse; Presence of any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule Any psychological, familial, sociological, or geographical condition that could potentially interfere with compliance with the study protocol and follow-up schedule Any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule. No psychological, familial, sociological, or geographical condition potentially hampering compliance with the study protocol and follow-up schedule. Any psychological, familial, sociological, or geographical condition that could potentially interfere with compliance with the study protocol and follow-up schedule Presence of any psychological, familial, sociological or geographical condition that in the opinion of the investigator would hamper compliance with the study protocol and follow-up schedule, including alcohol dependence or drug abuse Psychological, familial, or sociological condition potentially hampering compliance with the study protocol and follow-up schedule Absence of any psychological, familial, sociological, or geographical condition potentially hampering compliance with the study protocol and follow-up schedule (such conditions should be discussed with the subject before study entry) Psychological, familial, sociological or geographical factors potentially hampering compliance with the study protocol and follow-up schedule Psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule; those conditions should be discussed with the patient before registration in the trial Any psychological, familial, sociological, or geographical condition potentially hampering compliance with the study protocol requirements and/or follow-up procedures; those conditions should be discussed with the participant before trial entry Psychological, familial, sociological or geographical factors potentially hampering compliance with the study protocol and follow-up schedule No psychological, familial, sociological or geographical factors potentially hampering compliance with the study protocol and follow-up schedule Presence of any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule, including alcohol dependence or drug abuse; Has any other psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule. Those conditions should be discussed with the subject before registration in the trial. Presence of any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule; those conditions should be discussed with the patient before registration in the trial No psychological, familial, sociological, or geographical condition that would potentially hamper compliance with the study protocol and follow-up schedule Psychological, familial, sociological or geographical factors potentially hampering compliance with the study protocol and follow-up schedule Any psychological, familial, sociological, or geographical condition that could potentially interfere with compliance with the study protocol and follow-up schedule MSC DONOR: any psychological, familial, sociological, or geographical condition that could potentially interfere with compliance with the study protocol and follow-up schedule Any psychological, familial, sociological, or geographical condition that could potentially interfere with compliance with the study protocol and follow-up schedule Absence of any psychological, familial, sociological, or geographical condition potentially hampering compliance with the study protocol and follow-up schedule Psychological, familial, sociological, or geographical conditions that potentially hamper compliance with the study protocol and follow-up schedule; those conditions should be discussed with the patient before registration in the trial. Any psychological, familial, sociological, or geographical condition that could potentially interfere with compliance with the study protocol and follow-up schedule Any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule Use of any other investigational agent in the last days; psychological, familial, or sociological condition potentially hampering compliance with the study protocol and follow-up schedule Presence of any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule Patients with known ovarian cancer miliary disease prior to surgery . Any medical condition that, in the opinion of the investigators, could potentially jeopardize the safety of the patient . History of anaphylactic reactions . History of allergy to any of the components of OTL, including folic acid . Pregnancy or positive pregnancy test . Clinically significant abnormalities on electrocardiogram (ECG) . Presence of any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule . Impaired renal function defined as eGFR< mL/min/.m . Impaired liver function defined as values > x the upper limit of normal (ULN) for alanine aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase (ALP), or total bilirubin. Presence of any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule