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A Study of the Pan-immunotherapy in Patients With Relapsed/Refractory Ovarian Cancer

A Randomized, Single-blind, Placebo-controlled, Phase 2 Study to Evaluate the Safety and Efficacy of the Pan-immunotherapy in Subjects With Relapsed/Refractory Ovarian Cancer

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03989336
Enrollment
84
Registered
2019-06-18
Start date
2020-12-23
Completion date
2023-12-10
Last updated
2024-07-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Ovarian Cancer

Keywords

relapsed, refractory, anti-PD-1 antibody, Manganese, chemotherapy

Brief summary

Ovarian cancer is the most lethal gynecological cancer and the 5th leading cause of cancer death in women. Platinum chemotherapy has been widely adopted as a standard treatment for advanced ovarian cancer, the response rates in patients with relapsed/refractory ovarian cancer is unacceptably low. PD-1 blockade has been developed to a new class of cancer immunotherapy that could restore an adequate immunosurveillance against the neoplasm and enhance T-cell-mediated anticancer immune responses. Manganese has been confirmed to activate antigen-presenting cells and function as mucosal immunoadjuvants in pre-clinical studies. This two-arm, phase I/II study is designed to assess the safety and efficacy of combined therapy of anti-PD-1 antibody and chemotherapy with or without Manganese priming.

Interventions

Administered by inhalation at 0.4mg/kg twice per week in the first 3-week cycle, and then inhaled 0.4mg/kg twice in the first week of each 3-week cycle thereafter

DRUGnab-paclitaxel

Administered intravenously, 180-220mg/m2 on day 2 in a 3-week cycle (day 1 without Manganese priming)

Administered intravenously, Cisplatin (60-80mg/m2) or Carboplatin (area under the curve \[AUC\] 4-6 mg/mL per min) on day 2 in a 3-week cycle (day 1 without Manganese priming)

DRUGSintilimab

Administered intravenously, 200mg on day 3 in a 3-week cycle (day 2 without Manganese priming)

Sponsors

Chinese PLA General Hospital
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE (Subject)

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 70 Years
Healthy volunteers
No

Inclusion criteria

1. Subjects must have histologically proven relapsed or refractory ovarian cancer (Refractory was defined as a lack of response to or progression during the frontline treatment; relapsed was defined as progression after the frontline treatment), including patients diagnosed with primary carcinoma of fallopian tube or peritoneum carcinoma. 2. Female. 3. ≥ 18 years old. 4. Life expectancy of at least 6 months. 5. Eastern Cooperative Oncology Group performance status 0-2. 6. Radiographic imaging (CT/MRI/PET-CT) indicated recurrence or metastasis; or cancer cells in ascites are positive; or CA125 concentration in the peripheral blood is more than 2 times the upper limit of normal value. 7. Subjects must have received at least two frontline therapies, at least one of which is platinum-containing. 8. Subjects with Anti-PD-1 antibody treatment history are eligible which must be resistance. 9. Adequate organ function. 10. Female participants of childbearing potential must be willing to use an adequate method of contraception for the course of the study through 120 days after the last dose of study drug.

Exclusion criteria

1. Subjects with any autoimmune disease or history of syndrome that requires corticosteroids or immunosuppressive medications. 2. Serious uncontrolled medical disorders or active infections, pulmonary infection especially. 3. Prior organ allograft. 4. Women who are pregnant or breastfeeding. 5. Women with a positive pregnancy test on enrollment or prior to investigational product administration. 6. Subjects who are compulsorily detained for treatment of either a psychiatric or physical (eg, infectious disease) illness. 7. Subjects with previous or concurrent other malignancies.

Design outcomes

Primary

MeasureTime frameDescription
Object response rate (ORR)24 monthsORR is defined as the proportion of subjects who achieved a partial response (PR) or complete response (CR) according to Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1
Number of Subjects with treatment-related adverse events (AEs)12 monthsIncidence, nature, and severity of adverse events graded according to the NCI CTCAE v5.0. AEs were considered to be treatment-related if they had started or worsened within the interval from first study drug administration until the follow-up visit.

Secondary

MeasureTime frameDescription
Disease control rate (DCR)12 monthsDCR is defined as the proportion of subjects who achieved a stable disease (SD), partial response (PR) or complete response (CR) according to Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1.
Progression-free survival (PFS)12 monthsPFS time was measured from study entry to the first documentation of disease progression or death. Disease progression was determined per the RECIST V1.1.
Overall survival (OS)24 monthsOS time was measured from the study entry to the date of death.
Number of participants with laboratory test abnormalities12 monthsThe laboratory tests of serum cytokines and chemokines will be performed on day 1 and 3 of each cycle, and the abnormality will be determined by the investigator.

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 18, 2026