Study of STRO-001, an Anti-CD74 Antibody Drug Conjugate, in Patients With Advanced B-Cell Malignancies

Overview

This study is a first-in-human Phase 1, open-label, multicenter, dose escalation study with dose expansion to identify the maximum tolerated dose (MTD), the recommended phase 2 doses (RP2D) and to evaluate the safety, tolerability, and preliminary anti-tumor activity of STRO-001 in adult subjects with B-cell malignancies (MM and NHL) who are refractory to, or intolerant of, all established therapy known to provide clinical benefit for their condition (i.e., trial subjects must not be candidates for any regimens known to provide clinical benefit). The study will consist of two parts: Part 1, dose escalation, and Part 2, dose expansion.

The study uses an accelerated dose titration design for dose escalation. Doses will be escalated using an N-of-1 per dosing cohort until the first instance of a treatment-related, clinically relevant Grade 2 non-hematologic toxicity or a Grade 3 hematologic toxicity of any type is observed during Cycle 1 (first 21 days). Following this a standard 3+3 trial design is used for all further escalation cohorts. Dose escalation is conducted independently for the two dose escalation tumor cohorts (MM and NHL). A recommended STRO-001 dose for expansion will be determined for MM and NHL.

The dose expansion (Part 2) portion of the study will begin when Part 1 is completed. Enrollment in dose expansion will include separate tumor cohorts of MM and NHL.

In both Part 1 and Part 2 of the study, STRO-001 will be dosed as an intravenous (IV) infusion on Day 1 of a 21-day cycle, until disease progression. Labs will be drawn on a weekly basis for Cycles 1-4, and every three weeks starting with Cycle 5. Weekly clinical evaluations will be conducted during the first 4 cycles; thereafter, clinical evaluations will be conducted on infusion days (Day 1 of each cycle). Samples for pharmacokinetics (PK) analysis will occur at specific times on Days 1, 2, and 8 of the first two cycles of treatment, Day 1 of the third cycle of treatment and at End of Treatment visit. Additional clinical evaluations and labs may occur at the discretion of the investigator.

Subjects who receive any dose of STRO-001 will be included in safety analyses. Disease evaluations will include peripheral blood analysis, bone marrow assessments and scans as appropriate. Disease status will be evaluated per MM-specific or NHL-specific criteria. Samples will be collected to assess the PK and immunogenicity of STRO-001. Biomarkers may be assessed from bone marrow, peripheral blood and/or tissue samples. Subjects will continue to receive study drug until disease progression, unacceptable toxicity, withdrawal of consent, or end of study (study completion).

SparkCures ID 945
Trial Phase Phase 1
Enrollment 220 Patients
Treatments
Tags
Trial Sponsors
  • Sutro Biopharma, Inc.
NCT Identifier

NCT03424603

Am I Eligible?

The following criteria is a partial list of reasons why patients may or may not be eligible to participate in this clinical trial. Further evaluation with a medical professional will be required to determine full eligibility.

The following criteria is provided for health care professionals.

Key Inclusion Criteria:

  1. Confirmation of diagnosis
  2. Relapsed or relapsed/refractory disease
  3. Age ≥ 18 years
  4. ECOG performance status (0-2)
  5. Life expectancy > 3 months
  6. Adequate bone marrow and renal functions
  7. QTcF <500 msec
  8. Ability to comply with treatment, PK and test schedules
  9. NHL only- at least one measurable lesion

Key Exclusion Criteria:

  1. Active plasma cell leukemia and/or leukemic manifestations of lymphoma
  2. Known amyloidosis (MM patients)
  3. Chronic lymphocytic leukemia and Richter's transformation, and prolymphocytic leukemia (NHL subjects)
  4. T-cell malignancy
  5. Sensory or motor neuropathy ≥ grade 2
  6. Chronic or ongoing active infectious disease requiring systemic treatment such as, but not limited to, chronic renal infection, chronic chest infection with bronchiectasis, tuberculosis and active hepatitis C
  7. Ongoing immunosuppressive therapy, including systemic corticosteroids. Note: Subjects may be using topical or inhaled corticosteroids.
  8. Clinically significant cardiac disease
  9. Significant concurrent, uncontrolled medical condition
  10. History or clinical signs of meningeal or active CNS involvement
  11. Known severe chronic obstructive pulmonary disease or asthma
  12. History of significant cerebrovascular disease
  13. Known Human Immunodeficiency Virus seropositivity
  14. Positive serology for hepatitis B defined by a positive test for HBsAg
  15. Concurrent participation in another therapeutic treatment trial
  16. High screening liver function tests
  17. Prior treatment with CD74 targeting therapy

US Trial Locations

Accepting Patients

The following is a listing of trial locations that are open and accepting patients.

Verified Winship Cancer Institute of Emory University
Verified Virginia Cancer Specialists

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Arizona Oncology Associates PC Tucson - Rudasill - Medical Oncology

Tucson, AZ

Rocky Mountain Cancer Center Aurora

Aurora, CO

Indiana University Health

Indianapolis, IN

Henry Ford Hospital

Detroit, MI

Willamette Valley Clinical Studies Cancer Institute

Eugene, OR

Texas Oncology North Austin

Austin, TX

Texas Oncology (Fort Worth)

Fort Worth, TX

UT Health Science Center Cancer Therapy and Research Center

San Antonio, TX

West Virginia University

Morgantown, WV

Alabama
Arizona
Arizona Oncology Associates PC Tucson - Rudasill - Medical Oncology

Tucson, AZ

California

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Colorado
Rocky Mountain Cancer Center Aurora

Aurora, CO

Georgia
Verified Winship Cancer Institute of Emory University

SparkCures Verified Accurate, up-to-date information. Learn more

Indiana
Indiana University Health

Indianapolis, IN

Kansas
Maryland
Michigan
Henry Ford Hospital

Detroit, MI

New York
Oregon
Willamette Valley Clinical Studies Cancer Institute

Eugene, OR

Texas
Texas Oncology North Austin

Austin, TX

Texas Oncology (Fort Worth)

Fort Worth, TX

UT Health Science Center Cancer Therapy and Research Center

San Antonio, TX

Virginia
Verified Virginia Cancer Specialists

SparkCures Verified Accurate, up-to-date information. Learn more

West Virginia
West Virginia University

Morgantown, WV

Resources

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