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Study details
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A Study of STRO-004 in Adults With Refractory/Recurrent Metastatic Cancer

Sutro Biopharma, Inc.
NCT IDNCT07227168ClinicalTrials.gov data as of Apr 2026
Phase

Phase 1

Target enrollment

200

Study length

about 2.5 years

Ages

18+

Locations

6 sites in CO, FL, MA +2

About this study

This trial is testing the safety and preliminary anti-tumor activity of STRO-004 in adults with metastatic cancer. It includes three parts: a dose escalation trial of STRO-004 monotherapy, a cohort expansion to further evaluate STRO-004 monotherapy, and a dose escalation of STRO-004 combined with pembrolizumab.

Based on ClinicalTrials.gov records.

What participants do

  • 1.Take Pembrolizumab
  • 2.Take STRO-004
PhasePhase 1
DrugPembrolizumab
Routeinfusion
Primary goalPart 1A, 1B: Percentage of participants with Treatment-Emergent Adverse Events (TEAEs), with severity determined according to the Common Terminology Criteria for Adverse Events (CTCAE) v5.0 grading scale

Participation effort

Estimated from trial records. Details can vary by site.

Time + visits
Low9%
Logistics
Moderate50%

Logistics difficulty varies by site location and availability.

Trial highlights

Treatment details

Auto-extracted from trial records to preview treatments and outcomes.

Drug classes

pembrolizumab (Immune checkpoint inhibitor; blocks PD-1 to boost T-cell attack on cancer)

Drug routes

infusion

Endpoints

Primary: Part 1A, 1B: Percentage of participants with Treatment-Emergent Adverse Events (TEAEs), with severity determined according to the Common Terminology Criteria for Adverse Events (CTCAE) v5.0 grading scale, Part 1B: Disease control rate (DCR), Part 1B: Duration of Response (DOR), Part 1B: Objective Response Rate (ORR), Part 1B: Progression-Free Survival (PFS), Part 1C: Percentage of participants with TEAEs, with severity determined according to the CTCAE v5.0 grading scale

Secondary: Part 1A, 1C: Disease Control Rate (DCR), Part 1A, 1C: Duration of Response (DOR), Part 1A,1C: Progression-Free Survival (PFS), Part 1A: Objective Response Rate (ORR)

Body systems

Oncology