Clinical trial Recruiting at 66 sites Phase 1 Interventional Ages 18 and up

Testing GSK5764227 in patients with advanced solid tumors

Official title: A Phase 1 Clinical Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Clinical Activity of GSK5764227 as Monotherapy and in Combination in Participants With Advanced Solid Tumors

Run by GlaxoSmithKline · NCT06551142 · Data updated 2026-11-12

This study is testing a new cancer drug called GSK5764227 to see if it is safe and effective for people with advanced solid tumors, both on its own and with other treatments.

Quick facts

PhasePhase 1
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment845 (estimated)
SponsorGlaxoSmithKline
Industry-sponsored
Drugs / interventionsorlotamab, enoblituzumab, atezolizumab, pembrolizumab, durvalumab, bevacizumab, cetuximab, tarlatamab, dostarlimab
Locations67 sites (Stanford, California and 66 other locations)
StatusRecruiting
StartedSeptember 30, 2024
Main results expectedOctober 16, 2028
Study endsJune 8, 2029
Registry record updatedMay 22, 2026
Trial IDNCT06551142 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include adults aged 18 and older with advanced or metastatic solid tumors who have progressed on standard therapies.

Probably not a fit

Patients with early-stage tumors or those who have not yet received standard treatment options 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 study aims to evaluate the safety, tolerability, clinical activity, and pharmacokinetics of GSK5764227 in participants with advanced solid tumors. It will assess how the drug's levels change over time at various doses, both alone and in combination with other cancer treatments such as carboplatin, cisplatin, and immunotherapies. Participants will be closely monitored for their response to the treatment and any side effects experienced during the study.

Why it matters

Potential benefit: If successful, this study could provide a new treatment option for patients with advanced solid tumors who have limited alternatives.

How similar studies have gone: Other studies involving similar drug combinations have shown promise, but the specific approach of GSK5764227 is novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion criteria

* Male or female participants at least 18 years of age (≥18 years)
* Participants with histologically confirmed advanced/metastatic solid tumors, as defined per study phase and cohort, as follows:

Phase 1a:

1. Participants with advanced/metastatic solid tumors.
2. For monotherapy dose escalation: participants must have progressed on or become intolerant to all available SOC therapies.
3. For combination dose escalation: participants must have received 3 or fewer prior lines of systemic anticancer therapy in the advanced/metastatic setting

   * Has at least 1 target lesion per RECIST 1.1, as determined by the investigator.
   * Has an ECOG performance status of 0 or 1, with no deterioration in the 2 weeks before first dose.
   * Has adequate organ function.
   * Where available, participants should provide a formalin fixed and paraffin embedded (FFPE) tumor sample from the most recent biopsy of primary cancer or from a metastatic site for central testing.

Exclusion criteria

* Has ongoing adverse reaction(s) from prior therapy that has(have) not recovered to ≤Grade 1 or to the baseline status preceding prior therapy.
* Prior treatment with orlotamab, enoblituzumab, I-Dxd, or other B7-H3 targeted agents.
* Primary brain tumor or evidence of brain metastasis (unless meeting the following criteria at the same time: asymptomatic; medically stable for at least 4 weeks prior to initial dosing; no steroid treatment required for at least 4 weeks prior to initial dosing; and no midline shift due to herniation); or untreated progression due to brain metastasis or primary brain tumor during or after the last treatment prior to screening; or evidence of meningeal/brainstem involvement; or evidence of spinal cord compression (detected by radiographic examination, symptomatic or not).
* Any of the following cardiac examination abnormality:

  1. Has QT interval, corrected for heart rate (QTc) \>450 msec or QTc \>480 msec for participants with bundle branch block.
  2. Evidence of current clinically significant arrhythmias or ECG abnormalities (e.g., complete left bundle branch block, third-degree atrioventricular \[AV\] block, second-degree AV block, PR interval \>250 msec).
  3. Risk factors of prolonged QTc or arrhythmia events, such as heart failure, refractory hypokalemia, congenital long QT syndrome, family history of long QT syndrome, or unexplained sudden death of any direct relative under 40 years old or any concomitant medications that prolong the QT interval.
  4. Left ventricular ejection fraction (LVEF) \<50%.
* Has severe, uncontrolled or active CV disorders, serious or poorly controlled hypertension, clinically significant bleeding symptoms or serious arteriovenous thromboembolic events
* Participants with evidence of current ILD/non-infectious pneumonitis OR a prior history of ILD/non-infectious pneumonitis requiring high-dose glucocorticoids OR suspected ILD/non-infectious pneumonitis that cannot be ruled out by imaging.
* Has a history of autoimmune disease that has required systemic treatments in the 2 years prior to screening. Participants with prior history of autoimmune disease must be discussed with the medical monitor. Replacement therapy is not considered a form of systemic therapy (e.g., thyroid hormone for autoimmune thyroiditis or insulin is not exclusionary).
* Has any history of prior allogenic or autologous bone marrow transplant or other solid organ transplant.
* Has received prior anticancer therapy within 28 days of the first dose of study intervention or having to continue these medications during the study.

Where it's running

  • GSK Investigational Site
    Stanford, California, United States
    Recruiting
  • GSK Investigational Site
    Denver, Colorado, United States
    Recruiting
  • GSK Investigational Site
    New Haven, Connecticut, United States
    Recruiting
  • GSK Investigational Site
    Fort Wayne, Indiana, United States
    Recruiting
  • GSK Investigational Site
    Boston, Massachusetts, United States
    Recruiting
  • GSK Investigational Site
    Detroit, Michigan, United States
    Recruiting
Show 44 more locations
  • GSK Investigational Site
    New Brunswick, New Jersey, United States
    Recruiting
  • GSK Investigational Site
    Myrtle Beach, South Carolina, United States
    Recruiting
  • GSK Investigational Site
    Nashville, Tennessee, United States
    Recruiting
  • GSK Investigational Site
    Austin, Texas, United States
    Recruiting
  • GSK Investigational Site
    Dallas, Texas, United States
    Recruiting
  • GSK Investigational Site
    San Antonio, Texas, United States
    Recruiting
  • GSK Investigational Site
    Tyler, Texas, United States
    Recruiting
  • GSK Investigational Site
    West Valley City, Utah, United States
    Recruiting
  • GSK Investigational Site
    Norfolk, Virginia, United States
    Recruiting
  • GSK Investigational Site
    Viedma, Argentina
    Recruiting
  • GSK Investigational Site
    Hamilton, Ontario, Canada
    Recruiting
  • GSK Investigational Site
    Ottawa, Ontario, Canada
    Recruiting
  • GSK Investigational Site
    Toronto, Ontario, Canada
    Recruiting
  • GSK Investigational Site
    Montreal, Quebec, Canada
    Recruiting
  • GSK Investigational Site
    Sherbrooke, Quebec, Canada
    Recruiting
  • GSK Investigational Site
    Bordeaux, France
    Recruiting
  • GSK Investigational Site
    Lyon, France
    Recruiting
  • GSK Investigational Site
    Villejuif, France
    Recruiting
  • GSK Investigational Site
    Pokfulam, Hong Kong
    Recruiting
  • GSK Investigational Site
    Shatin, Hong Kong
    Recruiting
  • GSK Investigational Site
    Jerusalem, Israel
    Recruiting
  • GSK Investigational Site
    Jerusalem, Israel
    Recruiting
  • GSK Investigational Site
    Ramat Gan, Israel
    Recruiting
  • GSK Investigational Site
    Tel Aviv, Israel
    Recruiting
  • GSK Investigational Site
    Milan, Italy
    Recruiting
  • GSK Investigational Site
    Naples, Italy
    Recruiting
  • GSK Investigational Site
    Roma, Italy
    Recruiting
  • GSK Investigational Site
    Verona, Italy
    Recruiting
  • GSK Investigational Site
    Aichi, Japan
    Recruiting
  • GSK Investigational Site
    Chiba, Japan
    Recruiting
  • GSK Investigational Site
    Shizuoka, Japan
    Recruiting
  • GSK Investigational Site
    Tokyo, Japan
    Recruiting
  • GSK Investigational Site
    Tokyo, Japan
    Recruiting
  • GSK Investigational Site
    Panama City, Panama
    Recruiting
  • GSK Investigational Site
    Panama City, Panama
    Recruiting
  • GSK Investigational Site
    Gyeonggi-do, South Korea
    Recruiting
  • GSK Investigational Site
    Seoul, South Korea
    Recruiting
  • GSK Investigational Site
    Seoul, South Korea
    Recruiting
  • GSK Investigational Site
    Seoul, South Korea
    Recruiting
  • GSK Investigational Site
    Badajoz, Spain
    Recruiting
  • GSK Investigational Site
    Barcelona, Spain
    Recruiting
  • GSK Investigational Site
    Barcelona, Spain
    Recruiting
  • GSK Investigational Site
    Madrid, Spain
    Recruiting
  • GSK Investigational Site
    Madrid, Spain
    Recruiting

+17 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.