Actively Recruiting

Phase 1
Age: 18Years +
All Genders
NCT06308419

A Phase I Trial of Combination Gemcitabine and Nab-Sirolimus in Advanced Leiomyosarcomas or Advanced Soft-Tissue Sarcomas With TSC2 or TSC1 Loss-of-function Mutations or Deletions

Led by M.D. Anderson Cancer Center · Updated on 2026-02-25

18

Participants Needed

1

Research Sites

337 weeks

Total Duration

On this page

Sponsors

M

M.D. Anderson Cancer Center

Lead Sponsor

A

Aadi Bioscience

Collaborating Sponsor

AI-Summary

What this Trial Is About

To find a recommended dose of gemcitabine and nab-sirolimus that can be given in combination to participants with advanced leiomyosarcomas or soft-tissue sarcomas.

CONDITIONS

Official Title

A Phase I Trial of Combination Gemcitabine and Nab-Sirolimus in Advanced Leiomyosarcomas or Advanced Soft-Tissue Sarcomas With TSC2 or TSC1 Loss-of-function Mutations or Deletions

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Histologically confirmed leiomyosarcoma or sarcoma with TSC2 or TSC1 loss-of-function mutations or deletions confirmed by genomic testing.
  • Metastatic or unresectable sarcoma without effective standard curative options.
  • One prior standard systemic therapy required for leiomyosarcoma patients.
  • Prior gemcitabine-based chemotherapy allowed if last dose was over 12 months ago without disease progression during treatment and with intolerable toxicity.
  • Measurable disease with at least one lesion measurable by imaging or clinical exam.
  • Age 18 years or older.
  • ECOG performance status of 2 or less (Karnofsky score 60% or higher).
  • Life expectancy greater than 3 months.
  • Adequate organ and marrow function as defined by specific blood count and chemistry levels.
  • Undetectable hepatitis B viral load if on suppressive therapy.
  • Hepatitis C infection must be treated and cured, or have undetectable viral load if currently on treatment.
  • HIV infection with viral load under 400 copies/mL, no AIDS-defining illness within 12 months, and no use of CYP3A4 inducers or inhibitors in antiretroviral treatment.
  • Treated brain metastases allowed if no progression on follow-up imaging.
  • Cardiac function assessment must be New York Heart Association class 2B or better.
  • Women of childbearing potential and men must agree to use effective contraception during the study.
  • Ability to understand and sign informed consent.
Not Eligible

You will not qualify if you...

  • Receiving or received investigational agents within 3 weeks prior to enrollment.
  • History of allergic reactions to drugs similar to nab-sirolimus or gemcitabine.
  • Use of strong CYP3A4 inhibitors or inducers, or narrow therapeutic window CYP3A4 substrates within 7 days before first dose.
  • Active concurrent malignancy.
  • Recent stroke or thromboembolic event within 6 months requiring anticoagulation that cannot be interrupted.
  • Active gastrointestinal bleeding.
  • Uncontrolled diabetes mellitus with HbA1c over 8% despite treatment.
  • Severe or uncontrolled systemic disease or any condition limiting safe participation.
  • Pregnant or breastfeeding women.
  • Prior treatment of sarcoma with mTOR inhibitors.
  • Vulnerable populations will not be enrolled.

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

MD Anderson Cancer Center

Houston, Texas, United States, 77030

Actively Recruiting

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Research Team

E

Elise Nassif, MD

CONTACT

G

Gracy Zacharian, BSN,MSN,RN

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

1

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