A Dose Escalation Phase I Study to Assess the Safety and Clinical Activity of Multiple Cancer Indications (THINK)

C

Celyad Oncology

Status and phase

Unknown
Phase 2
Phase 1

Conditions

Acute Myeloid Leukemia/Myelodysplastic Syndrome
Multiple Myeloma (MM)

Treatments

Biological: NKR-2 cells

Study type

Interventional

Funder types

Industry

Identifiers

NCT03018405
CYAD-N2T-002

Details and patient eligibility

About

THINK (THerapeutic Immunotherapy with NKR-2) is a multinational (EU/US) open-label Phase I study to assess the safety and clinical activity of multiple administrations of autologous NKR-2 cells in seven refractory cancers, including five solid tumors (colorectal, ovarian, bladder, triple-negative breast and pancreatic cancers) and two hematological tumors (acute myeloid leukemia and multiple myeloma).

Full description

This open-label Phase I study aims at assessing the safety and clinical activity of the NKR-2 treatment administered 3 times with a 2-week interval between each administration in different tumor types. In absence of progressive disease at the first tumor assessment following NKR-2 administratio, the patient will receive a new cycle of 3 administrations maximum with a 2-week interval. The study will contain two consecutive segments: a Phase I dose escalation and a Phase I expansion segment. The Phase I dose escalation segment will include 2 arms, one in solid tumors and one in hematological tumors. The dose escalation design will include 3 dose levels: The dose escalation phase will consist of 3 cohorts (Cohorts 1-3) for the solid tumors, and 3 cohorts (Cohorts 4-6) for the hematological tumors; with each set of 3 cohorts receiving escalating doses of the NKR-2 therapy. Two additional cohorts will be added in each dose escalation arm with the aim to provide a more intense treatment during the induction treatment. These additional cohorts in both the solid arm (cohort 8-9 - only in CRC) and in the hematological arm of the study (cohort 10-11 - only in AML/MDS) will therefore evaluate a tighter schedule of NKR-2 injections with the three first injections within the induction cycle separated by a 1-week interval followed two weeks later by a second cycle (cycle 2) with a 2-weeks interval between each three NKR 2 injections. These cohorts will each enroll 3 patients in case of no DLT. Based on safety and early clinical data from these cohorts, the specific schedule of cohorts 8-11 might be selected for the expansion.

Enrollment

146 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Main inclusion criteria are:

  • Men or women ≥ 18 years old at the time of signing the ICF,
  • Patient with a CRC, epithelial ovarian cell or fallopian tube carcinoma, urothelial carcinoma, TNBC, pancreatic cancer, AML/MDS or MM,
  • Disease must be measurable according to the corresponding guidelines,
  • Patient with an ECOG performance status 0 or 1, and AML patients with anemia resulting in an ECOG performance status of 2,
  • Patient with adequate bone marrow reserve, hepatic and renal functions.
  • Patients must have sufficient pulmonary functions with a Forced Expiratory Volume in the first second (FEV-1)/Forced Vital Capacity (FVC) ≥ 0.7 with FEV-1 ≥ 50% predicted.

Main exclusion criteria are:

  • Patient with a tumor metastasis in the central nervous system,
  • Patients who have received another cancer therapy within 2 weeks before the planned day for the apheresis (except hydroxyurea for AML patients),
  • Patients who receive or are planned to receive any other investigational product within the 3 weeks before the planned day for the first NKR-2 administration (except hydroxyurea for AML patients),
  • Patient is under systemic immunosuppressive drugs, unless specific cases authorized per protocol,
  • Patients who have received other cell therapies,
  • Patients who underwent major surgery within 4 weeks before the planned day for the first NKR-2 administration.
  • Patient cannot present with history of idiopathic pulmonary fibrosis, organizing pneumonia, drug-induced pneumonitis, idiopathic pneumonitis and/or active or acute exacerbation of chronic obstructive pulmonary disease (COPD).

Detailed disease specific criteria exist and can be discussed with contacts listed below.

Trial design

Primary purpose

Treatment

Allocation

Non-Randomized

Interventional model

Single Group Assignment

Masking

None (Open label)

146 participants in 2 patient groups

Hematological tumors
Experimental group
Description:
The dose escalation arm for hematological tumors will use a 3 +3 design to determine the maximum tolerated dose. Two additional cohorts will be added in this dose escalation arm with the aim to provide a more intense treatment during the induction treatment (cycle 1 of injection). Cohort 10-11 (only in AML/MDS) will evaluate a tighter schedule of NKR-2 injections at 1x109 or potentially 3x109 NKR-2 per injection with the three first injections within the induction cycle (cycle 1) separated by a 1-week interval followed two weeks later by a second cycle (cycle 2) with a 2-weeks interval between each three NKR 2 injections.
Treatment:
Biological: NKR-2 cells
Solid Tumors
Experimental group
Description:
The dose escalation arm for solid tumors will use a 3 +3 design to determine the maximum tolerated dose. Two additional cohorts will be added in this dose escalation arm with the aim to provide a more intense treatment during the induction treatment (cycle 1 of injection). Cohort cohort 8-9 ( only in CRC) will evaluate a tighter schedule of NKR-2 injections at 1x109 or potentially 3x109 NKR-2 per injection with the three first injections within the induction cycle (cycle 1) separated by a 1-week interval followed two weeks later by a second cycle (cycle 2) with a 2-weeks interval between each three NKR 2 injections.
Treatment:
Biological: NKR-2 cells

Trial contacts and locations

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Central trial contact

Anne Flament, MD; Amélie Vanneste

Data sourced from clinicaltrials.gov

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