Clinical Research Directory

Inclusion Criteria: * Have a diagnosis, per World Health Organization (WHO) 2022 criteria of: 1. relapsed/refractory acute myeloid leukemia (AML) 2. relapsed/refractory moderate high, high, or very high risk myelodysplastic neoplasms (MDS) per Molecular International Prognostic Scoring System (IPSS-M) * Body weight greater than or equals to (\>=) 40 kilograms (kg) * Have an Eastern Cooperative Oncology Group (ECOG) performance status of 0 - 2 * Have adequate renal function defined as Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) Estimated Glomerular Filtration Rate (eGFR) \>=40 milligrams per minute (mL/min) * Participants must have laboratory parameters in the required range Exclusion Criteria: * Has a medical history of clinically significant pulmonary compromise, particularly the need for current supplemental oxygen use to maintain adequate oxygenation * Has evidence of an uncontrolled systemic viral, bacterial, or fungal infection * Has known allergies, hypersensitivity, or intolerance to the excipients of JNJ-89853413 * Had major surgery or had significant traumatic injury within 14 days of planned first dose of JNJ-89853413 * Has known active central nervous system involvement