A Study to Investigate the Safety, Tolerability, Pharmacokinetics (PK), and Preliminary Anticancer Activity of GSK4524101 Alone or With Niraparib in Participants With Solid Tumors

Participation Requirements

• Sex:

  ALL

• Eligible Ages:

  18 and up

Participation Criteria

Inclusion Criteria:

* More than or equal to (≥)18 years of age
* Eastern cooperative oncology group (ECOG) class 0-2
* Life expectancy of a minimum of 3 month
* Participant has histologically diagnosed advanced or metastatic solid tumor and has exhausted all standard of care treatment options.

Exclusion Criteria:

* Participant has not recovered (i.e., to Grade less than or equal to \[≤1\] or to baseline) from prior chemotherapy-induced AEs.
* Participant is currently participating in a treatment study or has participated in a study of any investigational agent within 4 weeks of the first dose of treatment.
* Participant has symptomatic uncontrolled brain or leptomeningeal metastases.
* Participant has a known additional malignancy that progressed or required active treatment within the last 2 years
* Participant has a known history of Myelodysplastic syndrome (MDS) or Acute myeloid leukemia (AML).
* Participant has uncontrolled hypertension with sustained systolic blood pressure (BP) \>140 millimetres of mercury (mmHg) or diastolic BP \>90 mmHg.