Actively Recruiting

Phase 1
Age: 18Years +
All Genders
NCT05877599

A Study of NT-175 in Adult Subjects With Unresectable, Advanced, and/or Metastatic Solid Tumors That Are Positive for HLA-A*02:01 and the TP53 R175H Mutation

Led by AstraZeneca · Updated on 2026-05-13

45

Participants Needed

18

Research Sites

315 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Phase I Study of NT-175, an autologous T cell therapy product genetically engineered to express an HLA-A\*02:01-restricted T cell receptor (TCR), targeting TP53 R175H mutant solid tumors.

CONDITIONS

Official Title

A Study of NT-175 in Adult Subjects With Unresectable, Advanced, and/or Metastatic Solid Tumors That Are Positive for HLA-A*02:01 and the TP53 R175H Mutation

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • At least 18 years old at the time of informed consent
  • Able to provide signed informed consent
  • Diagnosed with one of the following: NSCLC, colorectal adenocarcinoma, HNSCC, pancreatic adenocarcinoma, breast cancer, ovarian cancer, or any other solid tumor
  • Tumors must have TP53 R175H mutation and participant must be HLA-A*02:01 positive confirmed by a CLIA-accredited test
  • Have advanced, unresectable, or metastatic cancer (Stage III or IV) after at least one standard treatment, with no curative options
  • At least one measurable tumor lesion per CT or MRI scan by RECIST 1.1
  • ECOG performance status of 0 to 1 at enrollment
  • Adequate blood, kidney, liver, lung, and heart function
  • Likely able to complete study visits and follow protocol requirements as judged by the investigator
Not Eligible

You will not qualify if you...

  • Another primary cancer within 3 years before enrollment (except non-melanoma skin cancer, carcinoma in situ, or low-grade prostate cancer)
  • Active primary central nervous system cancer
  • Previous adoptive cell or gene therapy, allogeneic stem cell transplant, or solid organ transplant
  • Stroke or transient ischemic attack within 12 months before enrollment
  • Significant heart disease within 6 months before enrollment or any prior heart failure
  • Systemic therapy within at least 2 weeks or 3 half-lives before enrollment
  • Severe allergic reaction to cyclophosphamide, fludarabine, or rIL-2; or allergy to methotrexate, gentamicin, or aminoglycosides
  • Any primary immunodeficiency
  • Live vaccine within 4 weeks before enrollment or planned before chemotherapy or NT-175 treatment
  • Active immune disease needing systemic steroids or immunosuppressive treatment (except if related to prior checkpoint inhibitor therapy)
  • Female who is breastfeeding or lactating at enrollment
  • Known Li-Fraumeni syndrome or family history of Li-Fraumeni syndrome

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 18 locations

1

Research Site

Gilbert, Arizona, United States, 85234

Actively Recruiting

2

Research Site

Duarte, California, United States, 91010

Actively Recruiting

3

Research Site

Newport Beach, California, United States, 92663

Actively Recruiting

4

Research Site

Santa Monica, California, United States, 90404

Actively Recruiting

5

Research Site

Jacksonville, Florida, United States, 32224

Actively Recruiting

6

Research Site

Miami, Florida, United States, 33136

Withdrawn

7

Research Site

Tampa, Florida, United States, 33612

Withdrawn

8

Research Site

Boston, Massachusetts, United States, 02115

Actively Recruiting

9

Research Site

New Brunswick, New Jersey, United States, 08901

Actively Recruiting

10

Research Site

New York, New York, United States, 10065

Actively Recruiting

11

Research Site

Charlotte, North Carolina, United States, 28204

Withdrawn

12

Research Site

Winston-Salem, North Carolina, United States, 27103

Withdrawn

13

Research Site

Portland, Oregon, United States, 97213

Actively Recruiting

14

Research Site

Pittsburgh, Pennsylvania, United States, 15232

Actively Recruiting

15

Research Site

Nashville, Tennessee, United States, 37203

Actively Recruiting

16

Research Site

Houston, Texas, United States, 77030

Actively Recruiting

17

Research Site

Round Rock, Texas, United States, 78665

Actively Recruiting

18

Research Site

Milwaukee, Wisconsin, United States, 53226

Actively Recruiting

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Research Team

A

AstraZeneca Clinical Study Information Center

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NON_RANDOMIZED

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

3

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A Study of NT-175 in Adult Subjects With Unresectable, Advanced, and/or Metastatic Solid Tumors That Are Positive for HLA-A*02:01 and the TP53 R175H Mutation | DecenTrialz