Status:

COMPLETED

An Open-Label Study of Intra-articular AMB-05X Injections in Subjects With Tenosynovial Giant Cell Tumor of the Knee

Lead Sponsor:

AmMax Bio, Inc.

Conditions:

Tenosynovial Giant Cell Tumor

Pigmented Villonodular Synovitis (PVNS)

Eligibility:

All Genders

18+ years

Phase:

PHASE2

Brief Summary

AMB-051-01 is a multicenter study with an adaptive design that will enroll subjects with Tenosynovial Giant Cell Tumor (TGCT) of the knee for 12 weeks of multiple-dose, open-label treatment with intra...

Detailed Description

AMB-05X drug substance is a human monoclonal antibody against the colony-stimulating factor 1 receptor (CSF1R). Study

Eligibility Criteria

Inclusion

  • Subject ≥ 18 years
  • A confirmed diagnosis of tenosynovial giant cell tumor (TGCT) of the knee joint
  • Measurable disease based on RECIST v1.1
  • Stable prescription of analgesic regimen
  • Negative urine drug screen (UDS) at Screening and Baseline
  • Women of childbearing potential must have a negative pregnancy test
  • Agrees to follow contraception guidelines
  • Adequate hematologic, hepatic, and renal function, at Screening
  • Willing and able to complete self-assessment instruments throughout the study

Exclusion

  • Prior investigational drug use within 4 weeks or 5 half-lives of Baseline
  • Previous use of therapeutics targeting CSF1 or CSF1R or oral tyrosine kinase inhibitors
  • History of extensive knee surgery
  • Active cancer (either currently or within 1 year before Baseline) that requires therapy (e.g., surgery, chemotherapy, or radiation therapy)
  • Metastatic TGCT
  • Hepatitis C virus (HCV) or hepatitis B virus (HBV) or human immunodeficiency virus (HIV)
  • Known active tuberculosis
  • Significant concomitant arthropathy in the affected joint, serious illness, uncontrolled infection, or a medical or psychiatric history
  • Women who are breastfeeding
  • A screening Fridericia-corrected QT interval (QTcF) ≥ 450 ms (men) or ≥ 470 ms (women)
  • MRI contraindications (e.g., pacemaker, loose metallic implants)
  • History of hypersensitivity to any ingredient of the study drug
  • History of drug or alcohol abuse within 3 months before the first dose of study drug
  • Any other severe acute or chronic medical or psychiatric condition or clinically significant laboratory abnormality that may increase the risk associated with study participation/treatment or interfere with interpretation of study results and, in the Investigator's opinion, make the subject inappropriate for this study
  • Subjects who, in the Investigator's opinion, should not participate in the study for any reason, including if there is a question about their ability to comply with study requirements

Key Trial Info

Start Date :

May 25 2021

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

May 5 2022

Estimated Enrollment :

11 Patients enrolled

Trial Details

Trial ID

NCT04731675

Start Date

May 25 2021

End Date

May 5 2022

Last Update

June 27 2024

Active Locations (6)

Enter a location and click search to find clinical trials sorted by distance.

Page 1 of 2 (6 locations)

1

AmMax Bio Clinical Site

Columbus, Ohio, United States, 43201

2

AmMax Bio Clinical Site

Leiden, Netherlands

3

AmMax Bio Clinical Site

Warsaw, Poland

4

AmMax Bio Clinical Site

Dnipro, Ukraine