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Phase 2 Completed N=39 Randomized Treatment

A Trial of FANG™ Vaccine for Participants With Ovarian Cancer

Source: ClinicalTrials.gov NCT01309230 ↗
Enrolled (actual)
39
Serious AEs
7.7%
Results posted
Mar 2023
Primary outcomePrimary: Time to Recurrence (TTR) — 18.2; 12.4 months

Summary

This was a clinical trial for women with ovarian cancer scheduled to have an operation to remove the cancerous tissue. The cancer cells removed during the planned surgery were used to attempt to make the investigational product, named Vigil. Vigil is considered an immunotherapy. In this study, participants who met the requirements to be in the study and if Vigil was successfully made from the participants cancer cells, participants underwent treatment with their standard chemotherapy regimen. At the end of the standard chemotherapy regimen and if there was no evidence of remaining cancer, participants were randomly assigned to receive the Vigil or would be assigned to the standard of care group, which in this study meant no further treatment was given to the participant. The purpose of this study was to compare the difference between the participants who received Vigil versus the usual care after completion of standard chemotherapy and to determine if Vigil delayed or prevented ovarian cancer from coming back.

Outcome Measures

OutcomeResultp-value
PRIMARY
Time to Recurrence (TTR)
18.2; 12.4
SECONDARY
Number of Participants Positive for T-cell and Immune Activation Markers
26; 0
SECONDARY
Predictive Potential of Tumor Infiltrating Lymphocyte (TIL) and Tumor Associated Macrophage (TAM) Phenotypes
SECONDARY
Vigil Related Adverse Events (AEs)
0; 0; 1; 3; 24; 28

Eligibility Criteria

Tissue Inclusion Criteria

Patients were eligible for tissue procurement for the Vigil™ vaccine manufacturing process if they met all of the following criteria:

  • Presumptive Stage III/IV papillary serous or endometrioid ovarian cancer.
  • Per Amendment #8, treatment naïve, high risk ovarian cancer was no longer be stratified, but the following information was collected:
  • Stage IV or suboptimal (>1 cm residual) Stage III disease versus Stage III patients with optimal (≤1 cm residual) disease,
  • CA-125 ≤10 U/ml versus CA-125 greater than 10 but less than or equal to 20 U/ml
  • IP chemotherapy versus IV chemotherapy
  • Availability of "golf-ball" size 10-30 grams tissue at time of primary surgical debulking.
  • ECOG performance status (PS) 0-2 prior to tumor debulking laparotomy
  • Ability to understand and the willingness to sign a written informed consent document for tissue harvest.

Tissue Exclusion Criteria

Patients who met any of the following criteria were not eligible for tissue procurement for the Vigil manufacturing:

  • Medical condition requiring any form of chronic systemic immunosuppressive therapy (steroid or other) except physiologic replacement doses of hydrocortisone or equivalent (no more than 30 mg hydrocortisone or 10 mg prednisone equivalent daily) for 20 U/mL pre-registration had the option of being followed up to 2 months if serial CA-125 values continued to decrease at a rate of CA-125 decrease of ≥ 50% per month.)
  • Successful manufacturing of 4 vials of Vigil™ vaccine
  • Recovered from all clinically relevant toxicities related to prior protocol specific therapies (including neuropathy to ≤Grade 2).
  • ECOG performance status (PS) 0-1.
  • Normal organ and marrow function as defined below:

Absolute granulocyte count ≥ 1,500/mm3 Absolute lymphocyte count ≥ 200/mm3 Platelets ≥ 75,000/mm3 Total bilirubin ≤ 2 mg/dL AST(SGOT)/ALT(SGPT) ≤ 2x institutional upper limit of normal Creatinine < 1.5 mg/dL

  • Patients must have been off all "statin" drugs for ≥ 2 weeks prior to initiation of therapy.
  • Ability to understand and the willingness to sign a written informed protocol specific consent document.

Study Enrollment Exclusion Criteria

Patients were excluded from this study if they met any of the following criteria:

  • Surgery involving general anesthesia, radiotherapy, or immunotherapy within 4 weeks prior to randomization. Chemotherapy within 3 weeks prior to Vigil™ vaccine administration. Steroid therapy within 1 week prior to vaccine administration
  • Patients must not have received any other investigational agents within 4 weeks prior to Vigil™ vaccine administration.
  • Patients with history of brain metastases.
  • Patients with compromised pulmonary disease.
  • Short term (<30 days) concurrent systemic steroids ≤ 0.25 mg/kg prednisone per day (maximum 7.5 mg/day) and bronchodilators (inhaled steroids) were permitted; patients requiring other steroid regimens and/or immunosuppressives at randomization were excluded.
  • Prior splenectomy.
  • Prior malignancy (excluding nonmelanoma carcinomas of the skin and carcinoma in situ cervix) unless in remission for ≥ 2 years.
  • Kaposi's Sarcoma.
  • Uncontrolled intercurrent illness including, but not limited to ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would have limited compliance with study requirements.
  • Patients with known HIV.
  • Patients with chronic Hepatitis B and C infection.
  • Patients with uncontrolled autoimmune diseases.
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT01309230). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication. Informational only — not medical advice.

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