Clinical trial Recruiting at 48 sites Phase1; Phase2 Interventional Ages 18 and up

Evaluating TERN-701 for Chronic Myeloid Leukemia

Official title: A Phase 1/2 Clinical Trial to Evaluate the Safety, Tolerability, Pharmacokinetics, and Efficacy of TERN-701 in Participants With Chronic Myeloid Leukemia

Run by Terns, Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA) · NCT06163430 · Data updated 2026-11-12

This study is testing a new drug called TERN-701 to see if it can safely help people with chronic myeloid leukemia who have already been treated.

Quick facts

PhasePhase1; Phase2
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment330 (estimated)
SponsorTerns, Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Industry-sponsored
Drugs / interventionsasciminib, chemotherapy
Locations54 sites (Birmingham, Alabama and 53 other locations)
StatusRecruiting
StartedMarch 26, 2024
Main results expectedNovember 30, 2029
Study endsMay 31, 2030
Registry record updatedOctober 15, 2026
Trial IDNCT06163430 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include adults aged 18 and older with BCR-ABL1 positive chronic phase chronic myeloid leukemia who have experienced treatment failure or intolerance to prior therapies.

Probably not a fit

Patients who have recently undergone systemic antineoplastic therapy or have unresolved significant toxicity from previous treatments 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 aims to assess the safety, tolerability, pharmacokinetics, and efficacy of TERN-701, a selective allosteric inhibitor of BCR-ABL1, in patients with chronic phase chronic myeloid leukemia (CP-CML) who have previously been treated. The study consists of two parts: a dose escalation phase to determine the optimal dosing and a dose expansion phase to further evaluate the drug's efficacy and safety at selected doses. Participants will receive daily doses of TERN-701 over 28-day cycles, with regular visits to monitor their health and response to treatment.

Why it matters

Potential benefit: If successful, this treatment could provide a new effective option for patients with chronic myeloid leukemia who have not responded well to existing therapies.

How similar studies have gone: Other studies involving allosteric inhibitors for chronic myeloid leukemia have shown promise, suggesting potential for success with this novel approach.

Who can join: the full rules

Show full inclusion / exclusion criteria
Key Inclusion Criteria:

Inclusion Criteria include but are not limited to:

* Have an Eastern Cooperative Oncology Group (ECOG) performance status score of 0 to 2
* Have an established cytopathologically confirmed diagnosis of breakpoint cluster region::Abelson (BCR-ABL1) positive Chronic Myeloid Leukemia (CML) in Chronic Phase
* Have received treatment with at least one prior tyrosine kinase inhibitor (TKI) and have treatment failure, suboptimal response, or treatment intolerance
* Prior treatment with asciminib is allowed
* Adequate organ function, as assessed by local laboratory

Key Exclusion Criteria:

Exclusion criteria include but are not limited to:

* Systemic antineoplastic therapy (including prior TKIs, interferon-alfa, therapeutic antibodies, chemotherapy) or other experimental therapy 7 days before the first dose of MK-4208/TERN-701
* Have completed previous anticancer therapy without resolution of all associated clinically significant toxicity (to ≤ Grade 2 or baseline)

Where it's running

  • University of Alabama Medicine (UAB Medicine)
    Birmingham, Alabama, United States
    Recruiting
  • Banner MD Anderson Cancer Center
    Gilbert, Arizona, United States
    Recruiting
  • UC Irvine Health
    Orange, California, United States
    Recruiting
  • Rocky Mountain Cancer Centers, LLP
    Lone Tree, Colorado, United States
    Recruiting
  • Florida Cancer Affiliates - Ocala
    Ocala, Florida, United States
    Recruiting
  • Georgia Cancer Center at Augusta University
    Augusta, Georgia, United States
    Recruiting
Show 44 more locations
  • Memorial Sloan Kettering Cancer Center - Main Campus
    New York, New York, United States
    Recruiting
  • Atrium Health Levine Cancer Institute
    Winston-Salem, North Carolina, United States
    Recruiting
  • Willamette Valley Cancer Institute and Research Center
    Eugene, Oregon, United States
    Recruiting
  • Oregon Health & Science University
    Portland, Oregon, United States
    Recruiting
  • Thomas Jefferson University - Center City (Philadelphia)
    Philadelphia, Pennsylvania, United States
    Recruiting
  • Tristar BMT
    Nashville, Tennessee, United States
    Recruiting
  • The University of Texas M.D. Anderson Cancer Center
    Houston, Texas, United States
    Recruiting
  • Huntsman Cancer Institute
    Salt Lake City, Utah, United States
    Recruiting
  • Fred Hutchinson Cancer Center
    Seattle, Washington, United States
    Recruiting
  • Royal Adelaide Hospital
    Adelaide, South Australia, Australia
    Recruiting
  • Royal Perth Hospital
    Perth, Western Australia, Australia
    Recruiting
  • Centre Léon Bérard
    Lyon, Auvergne-Rhône-Alpes, France
    Recruiting
  • Institut Bergonié
    Bordeaux, France
    Recruiting
  • Institut Paoli Calmettes
    Marseille, France
    Recruiting
  • CHU de Nantes (University Hospital of Nantes) - Hôtel Dieu
    Nantes, France
    Recruiting
  • Hôpital Saint Louis
    Paris, France
    Recruiting
  • Centre Hospitalier Lyon-Sud
    Pierre-Bénite, France
    Recruiting
  • Universitätsklinikum Aachen
    Aachen, Germany
    Recruiting
  • Charité Campus Virchow-Klinikum - Universitätsmedizin Berlin
    Berlin, Germany
    Recruiting
  • Universitätsklinikum Frankfurt
    Frankfurt am Main, Germany
    Recruiting
  • Medizinische Hochschule Hannover
    Hanover, Germany
    Recruiting
  • Universitätsklinikum Jena
    Jena, Germany
    Recruiting
  • Universitätsklinikum Mannheim
    Mannheim, Germany
    Recruiting
  • Klinikum rechts der lsar der Technischen Universität München
    München, Germany
    Recruiting
  • Azienda Ospedaliero-Universitaria di Bologna - Policlinico di Sant'Orsola
    Bologna, Italy
    Recruiting
  • Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico
    Milan, Italy
    Recruiting
  • Fondazione IRCCS San Gerardo dei Tintori - SC Centro di Ricerca Fase I
    Monza, Italy
    Recruiting
  • Fondazione IRCCS San Gerardo dei Tintori
    Monza, Italy
    Recruiting
  • Christchurch Hospital
    Christchurch, New Zealand
    Recruiting
  • Uijeorigbu Eulji Medical Center, Eulji University
    Uijeongbu-si, Gyeonggi-do, South Korea
    Recruiting
  • Hallym University Sacred Heart Hospital
    Anyang-si, Gyeonggido, South Korea
    Recruiting
  • Dong-A University hospital
    Busan, South Korea
    Recruiting
  • Keimyung University Dongsan Hospital
    Daegu, South Korea
    Recruiting
  • Hospital Universitari Vall d'Hebrón
    Barcelona, Spain
    Recruiting
  • Hospital Clínic de Barcelona
    Barcelona, Spain
    Recruiting
  • Hospital Universitari Germans Trias i Pujol (ICO Badalona)
    Barcelona, Spain
    Recruiting
  • Hospital Universitario de Gran Canaria Doctor Negrín
    Las Palmas, Spain
    Recruiting
  • Hospital Universitario de La Princesa
    Madrid, Spain
    Recruiting
  • Hospital Universitario Ramón y Cajal
    Madrid, Spain
    Recruiting
  • Hospital Universitario 12 de Octubre
    Madrid, Spain
    Recruiting
  • Hospital de Día Quirónsalud Zaragoza
    Zaragoza, Spain
    Recruiting
  • Imperial College Healthcare NHS Trust
    London, England, United Kingdom
    Recruiting
  • Florida Cancer Specialists - South Region Research Office
    Fort Myers, Florida, United States
    Not yet recruiting
  • Florida Cancer Specialists - North Region Research Office
    St. Petersburg, Florida, United States
    Not yet recruiting

+4 more sites. See ClinicalTrials.gov for the full list.

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.