Status:

ACTIVE_NOT_RECRUITING

A First Time in Human (FTIH) Study of GSK3745417 Administered to Participants With Advanced Solid Tumors

Lead Sponsor:

GlaxoSmithKline

Conditions:

Neoplasms

Eligibility:

All Genders

18+ years

Phase:

PHASE1

Brief Summary

This study aims to evaluate the safety, tolerability, and preliminary clinical activity and establish a recommended dose of GSK3745417 administered alone (Part 1A) or co-administered (Part 2A) with do...

Eligibility Criteria

Inclusion

  • Participant must be more than or equal to (\>=)18 years of age.
  • Participants with advanced/recurrent solid tumors, who have progressed on, be intolerant of, or ineligible for, all available therapies for which clinical benefit has been established.
  • Histological or cytological documentation of an advanced solid tumor.
  • Participants must provide a fresh biopsy.
  • Measurable disease per Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1.
  • Eastern Cooperative Oncology Group (ECOG) performance status (PS) 0-1.
  • Adequate organ function per protocol specifications.
  • Male or female participants.
  • Female participants are eligible to participate if they are not breastfeeding or pregnant (or intend to breastfeed or become pregnant). Women of childbearing potential must use a highly effective method of contraception.
  • Capable of giving signed informed consent.

Exclusion

  • Active autoimmune disease that has required systemic disease modifying or immunosuppressive treatment within the last 2 years.
  • Concurrent medical condition requiring the use of systemic immunosuppressive treatment within 28 days before the first dose of study treatment.
  • Current unstable liver or biliary disease.
  • History of vasculitis at any time prior to study treatment.
  • Evidence or history of significant active bleeding or coagulation disorder.
  • Active infection requiring systemic treatment, known human immunodeficiency virus infection, or positive test for hepatitis B surface antigen or hepatitis C.
  • QT duration corrected for heart rate by Fridericia's formula (QTcF) more than (\>)450 milliseconds (msec) or QTcF \>480 msec for participants with bundle branch block.
  • Recent history (within the past 6 months) of acute diverticulitis, inflammatory bowel disease, intra-abdominal abscess, or gastrointestinal obstruction.
  • Recent history of allergen desensitization therapy within 4 weeks of starting study treatment.
  • History or evidence of cardiovascular (CV) risk
  • Recent (within the past 6 months) history of symptomatic pericarditis.
  • History of idiopathic pulmonary fibrosis, interstitial lung disease, or organizing pneumonia, or evidence of active, non-infectious pneumonitis.
  • History of (non-infectious) pneumonitis that required steroids or current pneumonitis.
  • Recent history (within 6 months) of uncontrolled symptomatic ascites or pleural effusions.
  • Prior treatment with the following agents:
  • Stimulator of Interferon Genes (STING) agonist at any time.
  • Anticancer therapy or investigational therapy or used an investigational device within 28 days or 5 half-lives of the drug, whichever is shorter.
  • Checkpoint inhibitors, including Programmed death receptor-1 (PD-1), Programmed death Ligand-1 (PD-L1), PD-L2 and Cytotoxic T-lymphocyte-associated antigen 4 (CTLA-4) inhibitors within 28 days.
  • Prior radiation therapy: permissible if at least 1 non-irradiated measurable lesion is available for assessment according to RECIST version 1.1 or if a solitary measurable lesion was irradiated, objective progression is documented.
  • Pregnant and/or breast feeding participants or those who plan to become pregnant and/or breastfeed.
  • Receipt of any live vaccine within 30 days of the start of study treatment.
  • Prior allogeneic or autologous bone marrow transplantation or other solid organ transplantation.
  • Major surgery less than or equal to (\<=)28 days before the first dose of study treatment. Participants must have also fully recovered from any surgery (major or minor) and/or its complications before initiating study treatment.
  • Participants with signs/symptoms suggestive of Coronavirus Disease-2019 (COVID-19) within 14 days of study entry, or with known exposure to COVID-19 within 14 days prior to study entry.
  • Participants are excluded from Part 2A of the study if they have known hypersensitivity to dostarlimab or associated excipients.

Key Trial Info

Start Date :

March 12 2019

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

March 31 2026

Estimated Enrollment :

97 Patients enrolled

Trial Details

Trial ID

NCT03843359

Start Date

March 12 2019

End Date

March 31 2026

Last Update

January 8 2026

Active Locations (13)

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Page 1 of 4 (13 locations)

1

GSK Investigational Site

Houston, Texas, United States, 77030

2

GSK Investigational Site

Melbourne, Victoria, Australia, 3000

3

GSK Investigational Site

Toronto, Ontario, Canada, M5G 1Z9

4

GSK Investigational Site

Bordeaux, France, 33076