A Phase 1 Open-label, Multi-center Study of the Safety, Pharmacokinetics (PK), and Anti-tumor Activity of LYT- 200 in Patients With Relapsed/Refractory Acute Myeloid Leukemia (AML), or With Relapsed/Refractory, High-risk Myelodysplastic Syndrome (MDS) LYT-200

What's the purpose of this trial?

A Phase 1 Open-label, Multi-center Study of the Safety, Pharmacokinetics (PK), and Anti-tumor Activity of LYT- 200 only in Patients with Relapsed/Refractory Acute Myeloid Leukemia (AML), or with Relapsed/refractory, High-risk Myelodysplastic Syndrome (MDS)

This trial is currently open and accepting patients.

What will happen during the trial?

You may be able to join this trial if you:

The following criteria is a partial list of reasons why patients may be eligible to participate in this clinical trial. Further evaluation with a medical professional is required.

Inclusion Criteria:

* Patients ≥ 18 years of age at the time of obtaining informed consent.
* Patients with morphologically documented primary or secondary AML by the World Health Organization(WHO) criteria, whose disease is relapsed/refractory to at least one line of prior therapy, with or without an allogeneic stem cell transplant and for whom no standard therapy that may provide clinical benefit is available or for patients who decline available standard of care.
* Patients with a documented diagnosis of high-risk myelodysplastic syndrome (MDS), whose disease is relapsed/refractory, post at least one line of treatment based on the revised International Prognostic Scoring System (IPSS-R) and for whom no standard therapy that may provide clinical benefit is available
* Patients are able and willing to comply with study procedures as per protocol, including bone marrowbiopsies.
* Patient has an Eastern Cooperative Oncology Group (ECOG) performance status ≤ 2.
* Patient must meet the following criteria as indicated on the clinical laboratory tests:

oWhite blood cell (WBC) count at the time of the first dose of \< 25,000/uL. oAspartate aminotransferase or alanine aminotransferase ≤ 3 × upper limit of normal (ULN; ≤ 5.0× ULN if considered to be due to leukemic involvement). oTotal bilirubin ≤ 2 × ULN (≤ 3 × ULN if considered to be due to leukemic involvement orGilbert's syndrome). oCreatinine clearance of ≥ 60 mL/min.

Exclusion Criteria:

* Patient diagnosed with acute promyelocytic leukemia (APL).
* Patient has active malignant tumors other than AML/MDS
* Patient has had HSCT and meets any of the following: has undergone HSCT within the 6- month period prior to the first study dose; has ≥ Grade 2 persistent non-hematological toxicity related to the transplant donor lymphocytes infusion.
* Patient has active graft versus host disease (GVHD) and patients receiving immunosuppressive treatment for GVHD.
* Patient with symptomatic central nervous system (CNS) involvement of leukemia or other CNS diseases related to underlying and secondary effects of malignancy
* Patient has had major surgery within 4 weeks prior to the first study dose.
* Patient has congestive heart failure New York Heart Association (NYHA) class 3 or 4, or patient with a history of congestive heart failure NYHA class 3 or 4 in the past, unless a screening echocardiogram or multigated acquisition (MUGA) scan performed within 3 months prior to study entry results in a left ventricular ejection fraction (LVEF) that is ≥ 45%.
* Patient has any condition which, in the Investigator's opinion, makes the patient unsuitable for study participation.

Additional Trial Information

Phase 1

Enrollment: 90 patients (estimated)

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Trial Locations

All Trial Locations

View all clinical trial locations sorted by state.


University of California Irvine Medical Center

Orange, CA

Open and Accepting


Miami Cancer Institute Baptist Health South Florida

Miami, FL

Open and Accepting


Norton Cancer Institute (St. Matthews) St. Matthews Campus

Louisville, KY

Open and Accepting


Massachusetts General Hospital

Boston, MA

Open and Accepting


Barbara Ann Karmanos Cancer Institute Wayne State University

Detroit, MI

Open and Accepting

New Jersey

Rutgers Cancer Institute of New Jersey Rutgers, The State University of New Jersey

New Brunswick, NJ

Open and Accepting

Rhode Island

Lifespan Rhode Island Hospital

Providence, RI

Open and Accepting


Virginia Commonwealth University Medical Center

Richmond, VA

Open and Accepting
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