Study of EDO-S101, A First-in-Class Alkylating HDACi Fusion Molecule, in Relapsed/Refractory Hematologic Malignancies



Status:Recruiting
Conditions:Blood Cancer, Blood Cancer, Lymphoma, Lymphoma, Hematology, Hematology
Therapuetic Areas:Hematology, Oncology
Healthy:No
Age Range:18 - Any
Updated:1/12/2019
Start Date:March 2016
End Date:May 2021

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A Phase 1 Study to Investigate the Safety, Pharmacokinetic Profiles and the Efficacy of EDO-S101, a First-in-Class Alkylating Histone Deacetylase Inhibition (HDACi) Fusion Molecule, in Relapsed/Refractory Hematologic Malignancies

This study evaluates the efficacy, safety and pharmacokinetics of EDO-S101 in patients with
relapsed/refractory hematologic malignancies. All patients will receive EDO-S101.

EDO-S101 is a new chemical entity, a first-in-class fusion molecule of an alkylator,
bendamustine and a histone-deacetylase inhibitor (HDACi), vorinostat. It is anticipated that
EDO-S101 may have activity in various hematological malignancies and solid tumors. This phase
1 study will enroll patients with various hematological malignancies.

The study consists of 2 stages:

- Stage 1: Dose Escalation to determine Maximum Tolerated Dose (MTD) at the optimal
infusion time and the pharmacokinetic (PK) profiles; is expected to enroll between 21
and 48 patients. Stage 1 has now been completed.

- Stage 2: Expansion in five Cohorts, in which approximately 6-16 patients will be
enrolled per cohort, for a maximum of 65 patients.

In Stage 1, EDO-S101 doses will be escalated following the standard 3+3 design. The decision
to escalate to the next dose level will occur after all cohort patients have completed 3
weeks (21 days) of observation and have been evaluated for safety and toxicity.The starting
dose is a 1 hour infusion of 20 mg/m2, and the maximum dose level is 150 mg/m2. Reduced
infusion times of 45 minutes and 30 minutes will also be assessed once the maximum tolerated
dose at a 1-hour infusion is determined.

In Stage 2, five cohorts of patients (with relapsed/refractory multiple myeloma (MM);
relapsed/refractory Hodgkin's lymphoma; relapsed/refractory peripheral T-cell lymphoma
(PTCL); relapsed/refractory cutaneous T-cell lymphoma (CTCL); and relapsed/refractory T-cell
Prolymphocytic leukemia (T-PLL) will be enrolled and treated at the recommended Phase 2 dose
(RP2D) based on results of Stage 1. For MM patients, treatment will occur on Day 1 and Day 15
of a 28 day cycle. For lymphoma patients, treatment will occur on Day 1 of a 21 day cycle.
Patients in each stage of the study are expected to receive a median of four Cycles of
therapy, and the maximum number of treatment Cycles allowed is 12.

Inclusion Criteria:

1. Execute an informed consent.

2. Patients age ≥18 years at signing the informed consent.

3. Diagnosis of relapsed or refractory lymphoid malignancy for which there are no
available therapies.

4. Eastern Cooperative Oncology Group (ECOG) performance status ≤2

5. Neutrophils >1,000 µL

6. Platelets ≥75,000 µL

7. Aspartate aminotransferase/alanine aminotransferase (AST/ALT) ≤2.5 upper limit of
normal (ULN).

8. Total bilirubin <2.0 mg/dL unless elevated due to known Gilbert's syndrome.

9. Creatinine ≤1.5 ULN.

10. Serum potassium within normal range (potassium supplementation is permissable).

11. If female of child-bearing potential (i.e. not postmenopausal or surgically sterile),
must be willing to abstain from sexual intercourse or employ an effective barrier or
medical method of contraception during the study drug administration and follow-up
periods. If male, must be sterile or willing to abstain from sexual intercourse or
employ a barrier method of contraception during the study treatment and follow-up
periods.

Specific Eligibility Criteria for Each Patient Cohort in Stage 2 Phase of the Study Cohort
1: relapsed/refractory multiple myeloma

1. At least one line and a maximum of four prior standard systemic therapies and no other
standard therapy available with proven clinical benefit.

Cohort 2: relapsed/refractory Hodgkin's lymphoma 1. At least three lines of prior therapy
and no other standard therapy available with proven clinical benefit.

Cohort 3: relapsed/refractory peripheral T-cell lymphoma (PTCL)

1. Only PTCL patients with histologically or cytologically confirmed PTCL-not otherwise
specified (PTCL-NOS), angioimmunoblastic T-cell lymphoma (AITL) or anaplastic
large-cell lymphoma (ALCL).

2. At least one line of prior combination therapy and no other standard therapy available
with proven clinical benefit.

Cohort 4: relapsed/refractory cutaneous T-cell lymphoma (CTCL), subtypes mycosis fungoides
(MF) and Sézary syndrome (SS)

1. Only CTCL patients with histologically or cytologically confirmed MF or SS with stage
IIb to IVb disease based on modified ISCL/EORTC staging.

2. At least one line and a maximum of four prior standard systemic therapies and no other
standard therapy available with proven clinical benefit.

Cohort 5: relapsed/refractory T-cell Prolymphocytic leukemia (T-PLL)

1. A maximum of two lines of prior therapy and no other standard therapy available with
proven clinical benefit. Patients ineligible for treatment with alemtuzumab can be
included.

Exclusion Criteria:

1. Patients with any central nervous system involvement.

2. Diagnosis of acute leukemia or any patient that has been treated with fludarabine.

3. Allogeneic stem cell transplant patients and any patient who has relapsed within 100
days of stem cell infusion following an autologous bone marrow transplant.

4. Patients with corrected QT (QTc) interval (Fridericia's formula) > 450 msec.

5. Patients who are on treatment with drugs known to prolong the QT/QTc interval.

6. Any serious medical condition that interferes with adherence to study procedures.

7. Patients with a history of a second malignancy diagnosed within three (3) years of
study enrollment excluding basal cell carcinoma of the skin, squamous cell carcinoma
of the skin, or in situ cervical cancer that has undergone potentially curative
therapy.

8. Pregnant or breast feeding females.

9. New York Heart Association (NYHA) stage III/IV congestive heart failure, arrhythmias
not adequately controlled, active infections, or other significant co-morbidities
[e.g. active central nervous system metastases and/or carcinomatous meningitis, active
infection requiring systemic therapy, history of human immunodeficiency virus (HIV)
infection, or active Hepatitis B or Hepatitis C.

10. Previous cancer therapies within four (4) weeks or 5 half-lives, whichever is shorter,
of dosing unless the patient has recovered to eligibility levels prior to treatment in
this study.

11. Use of other investigational agents within 30 days or 5 half-lives prior to the first
dose of study drug unless patient has recovered from any related toxicities ≥ Grade 1.

12. Steroid treatment within seven (7) days prior to study treatment. Patients that
require intermittent use of bronchodilators, topical steroids or local steroid
injections will not be excluded from the study. Patients who have been stabilized to
10 mg PO QD or less seven (7) days prior to study drug administration are allowed.

13. Patients on Valproic Acid for any indication (epilepsy, mood disorder) must be
excluded from the trial or must stop using the medication and have a wash out period
of 3.5 days prior to first dose of EDO-S101 (C1D1).
We found this trial at
6
sites
630 W 168th St
New York, New York
212-305-2862
Phone: 212-326-5720
Columbia University Medical Center Situated on a 20-acre campus in Northern Manhattan and accounting for...
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New York, NY
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Caen,
Principal Investigator: Ghandi L Damaj, MD
Phone: 00 33 231 06 25 36
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Caen,
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Houston, Texas 77030
Principal Investigator: Gautam Borthakur, MD
Phone: 713-563-1586
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Houston, TX
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Jacksonville, Florida 32224
Principal Investigator: Han W. Tun, MD
Phone: 904-953-7290
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Jacksonville, FL
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5777 East Mayo Boulevard
Phoenix, Arizona 85054
(480) 515-6296
Principal Investigator: Leif Bergsagel, MD
Phone: 480-301-8335
Mayo Clinic Mayo Clinic's campus in Arizona provides medical care for thousands of people from...
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200 First Street SW
Rochester, Minnesota 55905
507-284-2511
Principal Investigator: Wei Ding, MD
Phone: 507-284-2511
Mayo Clinic Cancer Center The Mayo Clinic Cancer Center is a National Cancer Institute-designated comprehensive...
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Rochester, MN
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