Evaluating NVL-520 for Advanced ROS1-positive Solid Tumors
Official title: A Phase 1/2 Study of the Highly Selective ROS1 Inhibitor Zidesamtinib (NVL-520) in Patients With Advanced NSCLC and Other Solid Tumors (ARROS-1)
Run by Nuvalent Inc. · NCT05118789 · Data updated 2026-11-12
This study is testing a new drug called NVL-520 to see if it can safely help people with advanced solid tumors that have a specific genetic change called ROS1.
Quick facts
| Phase | Phase1; Phase2 |
|---|---|
| Study type | Interventional |
| Ages | 12 Years and up |
| Sex | All |
| Enrollment | 359 (estimated) |
| Sponsor | Nuvalent Inc. Industry-sponsored |
| Drugs / interventions | zidesamtinib, chemotherapy, immunotherapy |
| Locations | 63 sites (Orange, California and 62 other locations) |
| Status | Recruiting |
| Started | January 4, 2022 |
| Main results expected | December 31, 2027 |
| Study ends | December 31, 2028 |
| Registry record updated | September 24, 2026 |
| Trial ID | NCT05118789 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates include adults aged 18 and older with advanced ROS1-positive NSCLC or other solid tumors who have specific treatment histories.
✕Probably not a fit
Patients with cancers that have known oncogenic driver alterations other than ROS1 may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This clinical trial is a Phase 1/2 study designed to assess the safety, tolerability, and antitumor activity of NVL-520 in patients with advanced solid tumors that have a ROS1 rearrangement. The trial will begin with a dose escalation phase to determine the recommended phase 2 dose and maximum tolerated dose of NVL-520. Following this, the Phase 2 portion will evaluate the objective response rate and other efficacy measures in various cohorts of patients with ROS1-positive non-small cell lung cancer (NSCLC) and other solid tumors. The study aims to provide insights into the effectiveness of NVL-520 in treating these specific cancer types.
Why it matters
Potential benefit: If successful, this treatment could offer a new therapeutic option for patients with advanced ROS1-positive solid tumors.
How similar studies have gone: Other studies targeting ROS1 rearrangements have shown promise, indicating that this approach is supported by prior research.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: 1. Age ≥18 years (Cohort 2e only: Age ≥12 years). 2. Disease Criteria: 1. Phase 1: Histologically or cytologically confirmed locally advanced or metastatic solid tumor with documented ROS1 rearrangement. 2. Phase 2: Cohorts 2a, 2b, 2c and 2d: Histologically or cytologically confirmed locally advanced or metastatic NSCLC with ROS1 rearrangement. 3. Phase 2: Cohort 2e: Histologically or cytologically confirmed locally advanced or metastatic solid tumor (other than NSCLC) with ROS1 rearrangement. 3. Prior anticancer treatment (except cohort 2a). 4. Phase 1: Must have evaluable disease (target or nontarget) according to RECIST 1.1. Phase 2: Must have measurable disease according to RECIST 1.1. 5. Adequate baseline organ function and bone marrow reserve. Exclusion Criteria: 1. Patient's cancer has a known oncogenic driver alteration other than ROS1. 2. Known allergy/hypersensitivity to excipients of NVL-520. 3. Major surgery within 4 weeks of first dose of study drug. 4. Ongoing anticancer therapy. 5. Actively receiving systemic treatment or direct medical intervention on another therapeutic clinical study.
Where it's running
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UCI Medical Center
Orange, California, United States Recruiting -
Stanford Medicine
Palo Alto, California, United States Recruiting -
UC Davis Comprehensive Cancer Center
Sacramento, California, United States Recruiting -
University of Colorado Cancer Center
Denver, Colorado, United States Recruiting -
Georgetown University Medical Center
Washington D.C., District of Columbia, United States Recruiting -
University of Miami
Coral Gables, Florida, United States Recruiting
Show 44 more locations
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University of Chicago
Chicago, Illinois, United States Recruiting -
Mass General Hospital
Boston, Massachusetts, United States Recruiting -
Dana-Farber Cancer Institute
Boston, Massachusetts, United States Recruiting -
Henry Ford Cancer Institute
Detroit, Michigan, United States Recruiting -
Washington University School of Medicine
St Louis, Missouri, United States Recruiting -
NYU Langone Health
New York, New York, United States Recruiting -
Memorial Sloan Kettering Cancer Center
New York, New York, United States Recruiting -
Atrium Health Levine Cancer Institute
Charlotte, North Carolina, United States Recruiting -
Ohio State University
Columbus, Ohio, United States Recruiting -
Fox Chase Cancer Center
Philadelphia, Pennsylvania, United States Recruiting -
Sarah Cannon Research Institute
Nashville, Tennessee, United States Recruiting -
NEXT Oncology - Virginia Cancer Specialists
Fairfax, Virginia, United States Recruiting -
University of Washington / Fred Hutchinson Cancer Center
Seattle, Washington, United States Recruiting -
Chris O'Brien Lifehouse
Camperdown, New South Wales, Australia Recruiting -
Peter MacCallum Cancer Centre
Melbourne, Victoria, Australia Recruiting -
University Hospital Leuven
Leuven, Belgium Recruiting -
Cross Cancer Institute
Edmonton, Alberta, Canada Recruiting -
Princess Margaret Cancer Research
Toronto, Ontario, Canada Recruiting -
Centre Legon Berard
Lyon, France Recruiting -
CHU de Nantes
Nantes, France Recruiting -
Claudius Regaud Institute
Toulouse, France Recruiting -
Institute Gustave Roussy
Villejuif, France Recruiting -
Cologne University Hospital
Cologne, Germany Recruiting -
Università Politecnica Marche
Ancona, Italy Recruiting -
Istituto Europeo di Oncologia
Milan, Italy Recruiting -
Fondazione IRCCS Istituto Nazionale dei Tumori
Milan, Italy Recruiting -
Istituto Oncologico Veneto
Padova, Italy Recruiting -
Ospedale Santa Maria delle Croci
Ravenna, Italy Recruiting -
Istituto Nazionale Tumori Regina Elena
Rome, Italy Recruiting -
Kanagawa Cancer Center
Kanagawa, Japan Recruiting -
Okayama University Hospital
Okayama, Japan Recruiting -
Kindai University Hospital
Osaka, Japan Recruiting -
National Cancer Center Hospital
Tokyo, Japan Recruiting -
The Cancer Institute Hospital Of JFCR
Tokyo, Japan Recruiting -
Wakayama Medical University Hospital
Wakayama, Japan Recruiting -
Netherlands Cancer Institute
Amsterdam, Netherlands Recruiting -
University Medical Centre Groningen
Groningen, Netherlands Recruiting -
National Cancer Centre Singapore
Singapore, Singapore Recruiting -
National Cancer Center
Gyeonggi-do, South Korea Recruiting -
Seoul National University Hospital
Seoul, South Korea Recruiting -
Yonsei University Health System
Seoul, South Korea Recruiting -
Samsung Medical Center
Seoul, South Korea Recruiting -
University Hospital of A Coruña
A Coruña, Spain Recruiting -
UOMI Cancer Center - Clinica Tres Torres
Barcelona, Spain Recruiting
+13 more sites. See ClinicalTrials.gov for the full list.
Study contacts
- Study coordinator: Nuvalent
- Email: clinicaltrials@nuvalent.com
- Phone: 857-357-7000
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.