Safety and Efficacy of RVU120 for Treatment of Relapsed/Refractory AML (RIVER-52)

R

Ryvu Therapeutics

Status and phase

Enrolling
Phase 2

Conditions

High-risk Myelodysplastic Syndrome
Acute Myeloid Leukemia (AML)

Treatments

Drug: RVU120

Study type

Interventional

Funder types

Industry

Identifiers

NCT06268574
RIVER-52

Details and patient eligibility

About

The goal of this study is to assess the safety, tolerability, anti-tumor activity (efficacy), pharmacokinetics (PK), and pharmacodynamics (PD) of the agent RVU120 when administered to adult patients with relapsed or refractory acute myeloid leukemia (AML) or relapsed or progressing high-risk myelodysplastic syndrome (HR-MDS) and who have no alternative therapies available. The study consists of two parts. Part 1 will assess the safety and tolerability of the dosages given and the level of anti-tumor activity or clinical response. Based on the results from part 1 the study will continue to enrol patient into Part 2 which will continue to evaluate safety and tolerability and anti-tumor activity in a larger number of patients.

Full description

Patients entering the study will undergo a Screening Period of up to 21 days, a Treatment Period where they will take the drug every other day (7 times in 13 days) in cycles of 21 days, an End of Treatment period (lasting approximately 30 days after last dose), and a 1-year Follow-up Period where participants will be contacted every 3 months for progression and survival status. In Part 1, patients with AML or HR-MDS will be enrolled. All patients will receive RVU120 until the patient meets eligibility for transplant, until there is disease progression or if there are signs of intolerance. A patient may withdraw from the study at any time at their own request or may be withdrawn at any time at the discretion of the Investigator. Depending on the outcome of part 1, part 2 may include patients with HR-MDS and AML irrespective of NPM1 mutation status.

Enrollment

94 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Subjects must sign a written informed consent document and complete study related procedures
  • Patients must have a diagnosis of AML or HR-MDS (per 2022 WHO classification) with MDS confirmed as high risk with IPSS-R
  • Patients must have relapsed or refractory AML (per ELN 2022 criteria)
  • Patients must have relapsed or progressing HR-MDS (per IWG response criteria)
  • Patients must have failed first-line treatment and have no alternative therapeutic options likely to produce clinical benefit
  • Patients must have ECOG performance status of 0 to 2

Patients must have adequate end organ function defined as:

  • WBC < 30 x 10(9)/L on Day 1 prior to first dose of study drug
  • Platelet count > 10,000/mcL on Day 1 prior to first dose of study drug
  • Serum albumin ≥ 25 g/L (2.5 g/dL)
  • Normal coagulation (elevated international normalized ratio [INR], prothrombin time or activated partial thromboplastin time [APTT] <1.3 x the upper limit of normal [ULN] acceptable)
  • AST (aspartate transaminase) and ALT (alanine transaminase) ≤ 3 x ULN (upper limit of normal)
  • Total bilirubin ≤ 3 x ULN
  • Creatinine clearance (Cockcroft & Gault formula) ≥ 30 mL/min

Exclusion criteria

  • Active central nervous system (CNS) leukemia.
  • Diagnosis of acute promyelocytic leukemia (APL), the M3 subtype of AML.
  • Previous treatment with CDK8 and/or CDK19-targeted therapy.
  • Major surgery within 28 days prior to first dose of study drug.
  • Hematopoietic stem cell transplant within 120 days prior to first dose of study drug.
  • Active, ≥Grade 2 acute graft versus host disease (GVHD), active moderate-to-severe chronic GVHD, or requirement for systemic immunosuppressive medications for GVHD
  • Evidence of ongoing and uncontrolled systemic bacterial, fungal, or viral infection and acute inflammatory conditions (including pancreatitis).
  • Known seropositivity or history of active viral infection with human immunodeficiency virus (HIV).
  • Ongoing significant liver disease
  • Impairment of gastrointestinal function or gastrointestinal disease
  • Ongoing drug-induced pneumonitis.
  • Concurrent participation in another investigational clinical trial.
  • Taking any medications, herbal supplements, or other substances (including smoking) that may interfere with the metabolism of the study drug
  • Significant cardiac dysfunction defined as myocardial infarction within 12 months of first dose of study drug, New York Heart Association (NYHA) Class III or IV heart failure, uncontrolled dysrhythmias, poorly controlled angina or left ventricular ejection fraction (LVEF) <40% as per echocardiography or multiple gated acquisition (MUGA) scan.
  • History of ventricular arrhythmia, or QTc ≥470 ms (Bazett's formula).
  • Prior history of malignancies other than AML, unless the participant has been free of the disease for 5 years or more prior to Screening
  • Pregnant or breast-feeding.

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

94 participants in 1 patient group

RVU120 single agent
Experimental group
Description:
RVU120 oral capsules administered at dose of 250 mg every other day on Days 1-13 of each 21-day cycle of treatment.
Treatment:
Drug: RVU120

Trial contacts and locations

2

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Central trial contact

Head of Clinical Operations

Data sourced from clinicaltrials.gov

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