Myelodysplastic Syndrome Clinical Trial

Study of SX-682 Alone and in Combination With Oral or Intravenous Decitabine in Subjects With Myelodysplastic Syndrome

Summary

This study will determine the safety profile, maximum tolerated dose (MTD), dose-limiting toxicities (DLT), and recommended Phase 2 dose (RP2D) of SX-682 in the treatment of patients with Myelodysplastic Syndromes (MDS).

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Full Description

Participants will receive twice daily oral SX-682 for six 28 day cycles. If patients are responding well to the treatment they can continue SX-682 treatment. The first participants will be administered 25 mg orally twice daily. Unless dose limiting toxicities occur, participants will enroll and receive the following increasing twice daily doses of SX-682: 50 mg, 100 mg, 200 mg, and 400 mg.

After establishing the maximum tolerated dose 140 additional participants will be enrolled at the recommended phase 2 dose. Participants will receive continuous SX-682 twice daily oral therapy in 28-day cycles for a total of 6 cycles. The expansion dose cohort will be stratified into IPSS (a) low and intermediate-1 (N=20 SX-682 alone in HMA naive, N=20 SX-682 alone in HMA failure, N=20 SX-682 + DEC-C in HMA-naïve, N=20 SX-682 + DEC-C in HMA-failure) and (b) intermediate-2 and high risk (N=20 SX-682 alone in HMA failure, N=20 SX-682 + DEC-C in HMA-naive, N=20 SX-682 + DEC-C in HMA-failure) MDS. For patients responding well at the end of 6 cycles treatment may continue until disease progression or an adverse event leads to SX-682 discontinuation. Except for blood product transfusions, concurrent therapy for Myelodysplastic Syndromes is not permitted.

View Eligibility Criteria

Eligibility Criteria

Inclusion Criteria:

Diagnosis of MDS by World Health Organization criteria, and either

International Prognostic Scoring System (IPSS) low risk or intermediate-1 risk patients without 5q deletion:

i. Dose escalation portion: failed prior treatment with at least 4 cycles started of a hypomethylating agent (HMA; azacitidine or decitabine) defined as no response to treatment, loss of response at any time point, or progressive disease/intolerance to therapy.

ii. Dose expansion portion: failed prior treatment defined as no response to treatment with at least 4 cycles started of HMA, loss of response at any time point, or progressive disease/intolerance to therapy ("HMA failure"); or no prior treatment with HMA ("HMA naive").

IPSS low risk or intermediate-1 risk patients with 5q deletion:

i. Dose escalation portion: failed prior treatment with at least 4 cycles started of lenalidomide and 4 cycles of hypomethylating agent (azacitidine or decitabine) defined as no response to treatment, loss of response at any time point, or progressive disease/intolerance to therapy.

ii. Dose expansion portion: same as non-del(5q) lower risk cohort + requirement of failed prior treatment with lenalidomide defined as no response to treatment with at least 4 cycles started of lenalidomide, loss of response at any time point, or progressive disease/intolerance to therapy.

IPSS intermediate-2 risk or high risk patients: HMA failure or HMA naïve as defined above.
Eastern Cooperative Oncology Group (ECOG) Performance Status ≤ 2

Screening laboratory values:

Renal glomerular filtration rate (GFR) ≥ 30 ml/min;
Aspartate aminotransferase (AST) / Alanine aminotransferase (ALT) ≤ 3.0 times upper limit of normal;
Bilirubin < 1.5 times upper limit of normal;
No history of HIV being HIV positive;
No active Hepatitis B or Hepatitis C infection.
Life expectancy ≥ 12 weeks.
Women of childbearing potential (WOCBP) must use study specified contraception.
WOCBP demonstrate negative pregnancy test.
Not breastfeeding.
Men sexually active must use study specified contraception.

Exclusion Criteria:

Use of chemotherapeutic agents or experimental agents for MDS within 14 days of the first day of study drug treatment.
Use of erythroid stimulating agents, Granulocyte-colony stimulating factor (G-CSF), or Granulocyte-macrophage colony-stimulating factor (GM-CSF) within 14 days of the first day of study drug treatment, or during the study.
Mean triplicate heart rate-corrected QT interval (QTc) > 500 msec.

Any of the following cardiac abnormalities:

QT interval > 480 msec corrected using Fridericia's formula;
Risk factors for Torsade de Pointes;
Use of medication that prolongs the QT interval with the exception of drugs that are considered absolutely essential for the care of the subject;
Myocardial infarction ≤ 6 months prior to first day of study drug treatment;
Unstable angina pectoris or serious uncontrolled cardiac arrhythmia.
Any serious or uncontrolled medical disorder.
Prior malignancy within the previous 2 years except for local cancers that have been cured; or patients who have been adequately treated and have low risk of reoccurrence.
Subjects with a condition requiring systemic treatment with either corticosteroids (> 10 mg daily prednisone equivalents) or other immunosuppressive medications within 14 days of study drug administration. Inhaled or topical steroids, and adrenal replacement doses > 10 mg daily prednisone equivalents are permitted in the absence of active autoimmune disease.
Use of other investigational drugs within 30 days of study drug administration.
Major surgery within 4 weeks of study drug administration.
Live-virus vaccination within 30 days of study drug administration.
Allergy to study drug component.

Study is for people with:

Myelodysplastic Syndrome

Phase:

Phase 1

Estimated Enrollment:

151

Study ID:

NCT04245397

Recruitment Status:

Recruiting

Sponsor:

Syntrix Biosystems, Inc.

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There are 7 Locations for this study

See Locations Near You

Mayo Clinic
Jacksonville Florida, 32224, United States More Info
Ali Brewer
Contact
904-953-5202
[email protected]
Kaila Lopez
Contact
904-953-7746
[email protected]
Hemant S Murthy, MD
Principal Investigator
University of Miami
Miami Florida, 33136, United States More Info
Namrata S Chandhok, MD
Contact
305-243-8238
[email protected]
Namrata S Chandhok, MD
Principal Investigator
AdventHealth Medical Group & Bone Marrow Transplant at Orlando
Orlando Florida, 32804, United States More Info
Kristen Wing, RN,BSN,CCRP
Contact
407-303-8251
[email protected]
Arlene Gayle, M.D.
Principal Investigator
Moffitt Cancer Center
Tampa Florida, 33612, United States More Info
Cyril Patra, MPH
Contact
813-745-2802
[email protected]
Caroline Wagstaff
Contact
813-745-5197
[email protected]
David A Sallman, MD
Principal Investigator
Emory University
Atlanta Georgia, 30322, United States More Info
Shannon Gleason, MLS, CCRC
Contact
404-778-4334
[email protected]
Anthony M Hunter, MD
Principal Investigator
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Baltimore Maryland, 21287, United States More Info
Lisa A. Kelemen, RN, MSN
Contact
410-614-4618
[email protected]
Amy E DeZern, MD, MHS
Principal Investigator
Montefiore Medical Center
Bronx New York, 10467, United States More Info
Mendel Goldfinger, MD
Contact
[email protected]
Anne Munoz, RN
Contact
718-920-2006
[email protected]
Mendel Goldfinger, MD
Principal Investigator

How clear is this clinincal trial information?

Study is for people with:

Myelodysplastic Syndrome

Phase:

Phase 1

Estimated Enrollment:

151

Study ID:

NCT04245397

Recruitment Status:

Recruiting

Sponsor:


Syntrix Biosystems, Inc.

How clear is this clinincal trial information?

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