Allogeneic NK Cell Therapy Combined With Standard Maintenance Treatment in Advanced Solid Tumors

Trial statusNot yet recruiting
Trial phasePhase 1, Phase 2
Trial typeInterventional
Biological sexAll
Age18-75
SponsorBOE Technology Group Co., Ltd.

About this trial

This is a prospective, open-label, exploratory clinical study to evaluate the safety and preliminary efficacy of allogeneic natural killer (NK) cell injection combined with standard maintenance therapy in patients with locally advanced or metastatic solid tumors. The study consists of 5 cohorts: Cohort 1 (advanced non-squamous NSCLC with NK cells + PD-(L)1 inhibitor + pemetrexed), Cohort 2 (advanced colorectal adenocarcinoma with NK cells + cetuximab/bevacizumab + capecitabine), Cohort 3 (lymphodepletion exploration cohort with fludarabine + cyclophosph preconditioning followed by NK cells + PD-(L)1 inhibitor + pemetrexed), Cohort 4 (advanced HCC with NK cells + VEGF + PD-(L)1), and Cohort 5 (advanced GC with NK cells + PD-(L)1 + S-1).

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Age 18-75 years, either gender

Histologically/cytologically confirmed locally advanced unresectable or metastatic non-squamous non-small cell lung cancer (Stage IIIB~IV), without known drug-targetable driver mutations (including but not limited to: EGFR sensitive mutations, ALK gene rearrangements, ROS1 mutations, BRAF 600E mutations, KRAS mutations);

Previously received 4~6 cycles of first-line induction therapy with PD-(L)1 combined with pemetrexed and platinum (cycles not combined with chemotherapy are not counted as combined treatment cycles), and imaging assessment shows non-progressive disease (i.e., CR, PR, or SD per RECIST 1.1).

Histologically/cytologically confirmed locally advanced unresectable or metastatic (unresectable Stage III or Stage IV per AJCC 8th Edition) colorectal adenocarcinoma;

Disqualifiers

Prior treatment with other cellular therapy products (DC, CIK, T cells, NK cells, CAR-T, etc.) except this product

Other malignancies within 5 years before screening (completely resolved carcinoma in situ and slowly progressing malignancies as determined by investigator excluded)

Symptomatic moderate to severe third-space effusion requiring therapeutic drainage

Gastrointestinal perforation, fistula, or intra-abdominal abscess within 6 months

Trial design

Design model

Single group

Treatments tested in this trial

  • NK Cells

    Biological/Vaccine

    Administered according to standard clinical practice and product labeling

  • NK cells + PD-(L)1 inhibitor + pemetrexed as first-line maintenance therapy

    Biological/Vaccine

    3-week cycles

  • NK cells + cetuximab/bevacizumab + capecitabine as first-line maintenance therapy

    Biological/Vaccine

    2-week cycles

  • NK cells + PD-(L)1 inhibitor + VEGF inhibitor as first-line maintenance therapy

    Biological/Vaccine

    3-week cycles

  • NK cells + PD-(L)1 inhibitor + capecitabine or S-1 as first-line maintenance therapy

    Biological/Vaccine

    2-week cycles

Treatment groups

42 Participants
are divided into 5 treatment groups
Group A: Cohort 1:Experimental treatment 2 interventions
Group B: Cohort 2Experimental treatment 2 interventions
Group C: Cohort 3Experimental treatment 2 interventions
Group D: Cohort 4Experimental treatment 2 interventions
Group E: Cohort 5Experimental treatment 2 interventions

Trial outcomes

Primary outcomes

1

Dose-Limiting Toxicity (DLT)

Incidence of DLT defined as: Grade 4-5 CRS or ICANS related to NK cells; Grade 3 CRS/ICANS not resolving to ≤Grade 2 within 7 days; Grade ≥3 non-hematologic toxicity not resolving to Grade 2 or baseline; Grade 4 hematologic toxicity not resolving to Grade 2 or baseline within DLT observation period

Time frame
During the first treatment cycle (21 days for Cohorts 1&3, 14 days for Cohort 2)
2

Adverse Events (AE)

Incidence and severity of treatment-emergent adverse events assessed by NCI-CTCAE v5.0

Time frame
From first dose through 30 days after last dose

Secondary outcomes

1

Progression-Free Survival (PFS)

Progression-Free Survival (PFS)

Time frame
From enrollment until disease progression or death, up to 2 years
2

Objective Response Rate (ORR)

Proportion of patients achieving complete response (CR) or partial response (PR) per RECIST 1.1

Time frame
From enrollment until disease progression or death, up to 2 years
3

Duration of Response (DOR)

From date of first documented response (CR or PR) until date of first documented progression or date of death from any cause, whichever came first, assessed up to 24 months

Time frame
up to 24 months
4

Disease Control Rate (DCR)

Proportion of patients with CR, PR, or stable disease (SD)

Time frame
Up to 2 years

Other outcomes

Locations

This trial has no locations.

Sponsors and contacts

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