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NKX101- CAR NK cell therapy

Phase 1

Relapsed/Refractory AML | Monoclonal antibody | Oncology |Nkarta, Inc.|Last Updated: Dec 27, 2024

Target and mechanism

ModalityMonoclonal antibody

Also known as NKX101 - CAR NK cell therapy

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLED
Total Trials1
Total Enrollment61

FDA Designations

No designations recorded

Clinical trial landscape

NKX101- CAR NK cell therapy · 1 trial · 4 indications

Phase 1 1
NCT04623944NKX101, Intravenous Allogeneic CAR NK Cells, in Adults With AML or MDSRelapsed/Refractory AML
ACTIVE NOT_RECRUITING61 Analytics
PHASE1ACTIVE NOT_RECRUITING
NKX101, Intravenous Allogeneic CAR NK Cells, in Adults With AML or MDS
Relapsed/Refractory AMLUnlock trial analytics

Study Endpoints

Primary Endpoints

Incidence of Treatment-Emergent Adverse Events [Safety and Tolerability]
30 days after last dose of NKX101

Incidence, nature, and severity of treatment related adverse events will be evaluated. An adverse event is any unfavorable and unintended sign including clinically significant abnormal laboratory findings, symptom or disease.

Response rate to NKX101 (for Part 2)
28 days from first dose of NKX101

Responses will be assessed per modified ELN criteria and will include complete and partial remission with and without varying degrees of hematologic recovery

Secondary Endpoints

Assessment of NKX101 half-life
28 days from first dose of NKX101
NKX101 duration of persistence
Followed up to 2 years after last dose of NKX101
Evaluation of host immune response against NKX101
Followed up to 2 years after last dose of NKX101
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
NKX101 - CAR NK cell therapyEXPERIMENTALAll subjects in Part 1 will receive lymphodepletion with fludarabine/cyclophosphamide followed by 3 or 2 (Regimen A or B, respectively) weekly doses of NKX101. Subjects in Part 2 will receive lymphodepletion with either fludarabine/cyclophosphamide or fludarabine/cytarabine (ara-C), or if the optional arm is opened, lymphodepletion with fludarabine/cyclophosphamide and decitabine, followed by 3 weekly doses of NKX101. Part 2: unrelated off-the-shelf donor derived NKX101 will be used.

Interventions

NameTypeDescription
NKX101 - CAR NK cell therapyBIOLOGICALNKX101 is an investigational allogeneic CAR NK product targeting NKG2D ligands on cancer cells. Part 2 will use the maximum tolerated dose (MTD) or recommended Phase 2 dose (RP2D) of NKX101 as determined in Part 1.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites8

Inclusion Criteria: * General: * ECOG performance status ≤2 * Disease related: * For AML subjects: * Previously treated relapsed/refractory AML, including subjects with MRD+ disease * Received at most 3 lines of previous anti-leukemia therapy * For subjects with targetable fms-li...

Countries:United States
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Recent Changes (Last 90 Days)

LOWMay 26, 2026NCT04623944primaryCompletionDate: changed

Frequently asked questions about NKX101- CAR NK cell therapy

What is NKX101 used for?

NKX101 is an investigational CAR NK cell therapy being studied for the treatment of relapsed or refractory acute myeloid leukemia (AML) in adults. It is also being evaluated in patients with myelodysplastic syndromes (MDS). The therapy is administered intravenously and is currently in Phase 1 clinical development.

Who is developing NKX101?

NKX101 is being developed by Nkarta, Inc., a biopharmaceutical company traded on the Nasdaq under the ticker symbol NKTX. The company is conducting clinical trials of NKX101 in the United States for the treatment of relapsed or refractory AML and MDS.

What phase is NKX101 in?

NKX101 is currently in Phase 1 clinical development. It is an investigational therapy and has not been approved by regulatory authorities. The ongoing Phase 1 trial is active but not recruiting participants, and it is designed to evaluate the safety and efficacy of NKX101 in adults with AML or MDS.

What clinical trials is NKX101 in?

NKX101 is being studied in a Phase 1 clinical trial with the identifier NCT04623944. This trial is titled 'NKX101, Intravenous Allogeneic CAR NK Cells, in Adults With AML or MDS' and is being conducted in the United States. The trial is enrolling adults aged 18 years and older and is not yet completed.

Is NKX101 the same as NKX101 - CAR NK cell therapy?

Yes, NKX101 is also referred to as NKX101 - CAR NK cell therapy. Both names refer to the same investigational cell therapy being developed by Nkarta, Inc. for the treatment of relapsed or refractory AML and MDS.