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
| Phase | Phase 1 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 845 (estimated) |
| Sponsor | GlaxoSmithKline Industry-sponsored |
| Drugs / interventions | orlotamab, enoblituzumab, atezolizumab, pembrolizumab, durvalumab, bevacizumab, cetuximab, tarlatamab, dostarlimab |
| Locations | 67 sites (Stanford, California and 66 other locations) |
| Status | Recruiting |
| Started | September 30, 2024 |
| Main results expected | October 16, 2028 |
| Study ends | June 8, 2029 |
| Registry record updated | May 22, 2026 |
| Trial ID | NCT06551142 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
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Stanford, California, United States Recruiting -
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Denver, Colorado, United States Recruiting -
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New Haven, Connecticut, United States Recruiting -
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Fort Wayne, Indiana, United States Recruiting -
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Boston, Massachusetts, United States Recruiting -
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Detroit, Michigan, United States Recruiting
Show 44 more locations
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New Brunswick, New Jersey, United States Recruiting -
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Myrtle Beach, South Carolina, United States Recruiting -
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Nashville, Tennessee, United States Recruiting -
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Austin, Texas, United States Recruiting -
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Dallas, Texas, United States Recruiting -
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San Antonio, Texas, United States Recruiting -
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Tyler, Texas, United States Recruiting -
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West Valley City, Utah, United States Recruiting -
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Norfolk, Virginia, United States Recruiting -
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Viedma, Argentina Recruiting -
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Hamilton, Ontario, Canada Recruiting -
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Ottawa, Ontario, Canada Recruiting -
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Toronto, Ontario, Canada Recruiting -
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Montreal, Quebec, Canada Recruiting -
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Sherbrooke, Quebec, Canada Recruiting -
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Bordeaux, France Recruiting -
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Lyon, France Recruiting -
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Villejuif, France Recruiting -
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Pokfulam, Hong Kong Recruiting -
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Shatin, Hong Kong Recruiting -
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Jerusalem, Israel Recruiting -
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Jerusalem, Israel Recruiting -
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Ramat Gan, Israel Recruiting -
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Tel Aviv, Israel Recruiting -
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Milan, Italy Recruiting -
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Naples, Italy Recruiting -
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Roma, Italy Recruiting -
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Verona, Italy Recruiting -
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Aichi, Japan Recruiting -
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Chiba, Japan Recruiting -
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Shizuoka, Japan Recruiting -
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Tokyo, Japan Recruiting -
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Panama City, Panama Recruiting -
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Panama City, Panama Recruiting -
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Gyeonggi-do, South Korea Recruiting -
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Seoul, South Korea Recruiting -
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Seoul, South Korea Recruiting -
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Seoul, South Korea Recruiting -
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Badajoz, Spain Recruiting -
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Barcelona, Spain Recruiting -
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Barcelona, Spain Recruiting -
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Madrid, Spain Recruiting -
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Madrid, Spain Recruiting
+17 more sites. See ClinicalTrials.gov for the full list.
Study contacts
- Study coordinator: US GSK Clinical Trials Call Center
- Email: GSKClinicalSupportHD@gsk.com
- Phone: 877-379-3718
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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.