A Study of Safety, Tolerability and Preliminary Efficacy of NTS071 in Subjects With Advanced Solid Tumors Harboring a TP53 Y220C Mutation

NCT ID: NCT07060989

Last Updated: 2025-07-11

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

NOT_YET_RECRUITING

Clinical Phase

PHASE1/PHASE2

Total Enrollment

220 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-08-31

Study Completion Date

2029-12-31

Brief Summary

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This study is to evaluate the safety, tolerability, PK, and preliminary efficacy of NTS071 in adults with TP53 Y220C-mutated solid tumors.

Detailed Description

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This is a Phase 1/2a, first-in-human, open-label, multi-center study with the aim of exploring the safety, tolerability, PK, and preliminary efficacy of NTS071 in subjects with unresectable locally advanced or metastatic solid tumors containing a TP53 Y220C mutation.

This study includes two parts: Phases 1 and 2a. The Phase 1 part consists of the dose escalation and backfill part; The Phase 2a part consists of the cohort expansion part.

Conditions

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Advanced Solid Tumors

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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NTS071

Single arm

Group Type EXPERIMENTAL

NTS071

Intervention Type DRUG

Oral administration

Interventions

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NTS071

Oral administration

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. Male or female subjects, ≥ 18 years
2. Advanced solid tumors with TP53 Y220C mutation
3. Previously treated with one or more lines of anticancer therapy and progressive disease
4. At least one measurable lesion according to RECIST version 1.1 criteria
5. Eastern Cooperative Oncology Group performance status (ECOG PS) of 0 or 1
6. Adequate organ and bone marrow function

Exclusion Criteria

1. Known CNS primary tumor and active or untreated CNS metastases
2. History of another primary malignancy that has been diagnosed or required therapy within the past 2 years
3. Toxicities of prior therapy have not been resolved to ≤ Grade 1 or to baseline
4. Significant cardiovascular disease, including congestive heart failure
5. Known hepatitis B, hepatitis C, or human immunodeficiency virus infection that is active
6. Have a known psychiatric or substance abuse disorder that would interfere with the participant's ability to cooperate with the requirements of the study.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Nutshell Therapeutics (Shanghai) Co., LTD.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Next Oncology

San Antonio, Texas, United States

Site Status

Shanghai

Shanghai, , China

Site Status

Countries

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United States China

Central Contacts

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Jingmei Hou

Role: CONTACT

18601779762

Other Identifiers

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NTS071-101

Identifier Type: -

Identifier Source: org_study_id

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