PRGN-2009 in Combination With Pembrolizumab in Patients With Recurrent or Metastatic Cervical Cancer

Inclusion Criteria:

* Age 18 years and older.
* Recurrent or metastatic cervical cancer (histologically or cytologically confirmed)
* Must have been treated with pembrolizumab, either as monotherapy or in combination, for atleast 6 weeks.
* Subjects must have histologically or cytologically confirmed HPV positive disease
* Measurable disease that can be accurately measured by RECIST v1.1 criteria
* Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.
* Life expectancy ≥ 12 weeks from the time of enrollment.
* Must have adequate organ function
* Negative serum pregnancy test. Women of child-bearing potential (WOCBP) must agree to use adequate contraception prior to study entry and for at least 6 months following completion of study treatment.
* All patients must have the ability to understand and willingness to sign a written informed consent.

Exclusion Criteria:

* Prior chemotherapy, targeted therapy within 14 days; monoclonal antibody within 4 weeks; unresolved AEs.
* Immunodeficiency, active autoimmune disease on immunosuppression, or immunosuppressive therapy within 7 days. HIV eligible with disease control.
* Active hepatitis B (HBsAg+) or hepatitis C (HCV RT-PCR+) within 30 days of enrollment.
* History of non-infectious pneumonitis or interstitial lung disease.
* History of endocrine autoimmune disease (exceptions: treated Graves' disease; hypothyroidism on replacement).
* Live vaccine within 30 days prior to first dose.
* Patients with presence of other active malignancy within 1 year prior to study entry
* Known Central Nervous System (CNS) disease
* Has severe hypersensitivity (≥Grade 3) to pembrolizumab and/or any of its excipients.
* Known history of active tuberculosis (TB, Bacillus tuberculosis).
* Pregnant and lactating women are excluded from this study.
* Patients with a history of solid organ transplant.
* Patients currently participating in a study of an investigational agent or have used an investigational device within 4 weeks prior to the first dose of study treatment.
* Patients, who in the opinion of the investigator, may not be able to comply with the monitoring requirements of the study.