A Trial Evaluating TG4050 in Ovarian Carcinoma.

A Phase I Trial Evaluating a Mutanome-directed Immunotherapy in Patients With High Grade Serous Carcinoma (HGSC) of the Ovary, Fallopian Tube or Peritoneum.

This is a multicenter, open-label, single arm phase I study evaluating the safety and tolerability as well as some activity parameters of TG4050 in patients with ovarian, fallopian or peritoneal serous carcinoma.

Inclusion Criteria:

1. Signed written informed consent.
2. Female patients ≥ 18 years
3. Histologically confirmed high grade, advanced stage serous ovarian, fallopian tube or primary peritoneal carcinoma.
4. Patients who have undergone primary debulking surgery or interval debulking surgery and have completed standard first-line platinum-based chemotherapy and for whom tumor tissue has been banked.
5. Patients must have achieved a complete response to therapy
6. Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 at treatment period initiation
7. Adequate hematological, hepatic and renal functions.

Exclusion Criteria:

1. Patient having received any cancer immunotherapy including cancer vaccines, any antibody/drug targeting T cell co-regulatory proteins such as anti-Programmed cell death 1 (anti-PD1), anti-Programmed death-ligand 1 (anti-PDL1) or anti-cytotoxic T-lymphocyte-associated protein 4 (anti-CTL4)
2. Patients with other active malignancy ≤ 3 years prior to registration except non-melanoma skin cancer, stage 0 in situ carcinoma.
3. Patient post-organ transplantation, including allogeneic stem cell or bone marrow transplantation.
4. Known history of positive testing for Human Immunodeficiency Virus (HIV) or known AIDS (Acquired Immune Deficiency Syndrome).
5. Any known allergy or reaction to eggs or attributed to compounds of similar chemical or biological composition to therapeutic vaccines/immunotherapeutic products.
6. Acute or chronic infection with hepatitis C Virus (HCV) or Hepatitis B Virus (HBV).
7. Major surgery within 4 weeks of treatment start.
8. Treatment with another investigation agent within 30 days prior to TG4050 treatment initiation.
9. Patients under chronic treatment with systemic corticosteroids or other immunosuppressive drugs . Steroids with no or minimal systemic effect (topical, inhalation) are allowed.
10. Use of live vaccine for the prevention of infectious diseases during the four-week period prior to TG4050 treatment initiation planned date. Furthermore, patients should not receive any live vaccine during the period of study treatment administration.
11. Uncontrolled intercurrent illness.