Study of Sensitization of Non-M3 AML Blasts to ATRA by Epigenetic Treatment With Tranylcypromine (TCP) (TRANSATRA)

Michael Luebbert

Status and phase: Unknown; Phase 2; Phase 1

Conditions: Myelodysplastic Syndrome; Acute Myeloid Leukemia

Treatments: Drug: all-trans retinoic acid; Drug: tranylcypromine; Drug: cytarabine

Study type: Interventional

Funder types: Other

Identifiers

NCT02717884

00806 UKF

Details and patient eligibility

About

The objective of the phase I part of the trial is the determination of the maximum tolerated dose (MTD) of TCP (Tranylcypromine) in combination with fixed-dose ATRA (all-trans-retinoic acid) and with fixed-dose AraC (Cytarabine) and to derive the recommended phase II dose (RP2D) in patients with non-APL AML or MDS for whom no standard treatment is available or who failed azanucleoside treatment.

The objective of the phase II part of the trial is a first evaluation of the efficacy of TCP at the RP2D in combination with fixed-dose ATRA and with fixed-dose AraC as basis for further investigations of TCP

Full description

Study treatment: TCP + ATRA + AraC Four dose levels of TCP (20 mg, 40 mg, 60 mg, 80 mg on days 1-28) will be examined in combination with fixed dose ATRA (45 mg/m2 on days 10-28) and fixed-dose AraC (40 mg on days 1-10) in the first cycle.

In further cycles patients will be treated in the same manner, except for ATRA which will be administered continuously with a nine-day interruption at the beginning of every fourth cycle.

Follow-up per patient: Until twelve months after registration of the last patient.

Duration of intervention per patient: Until relapse/progression, unacceptable toxicity or until twelve months after registration of the last patient, whatever occurs first

Enrollment: 60 estimated patients

Sex: All

Ages: 18+ years old

Volunteers: No Healthy Volunteers

Inclusion criteria

Patients eligible for inclusion in this trial must meet all of the following criteria:

1. Patients >18 years (no upper age limit);

2. AML (WHO) or intermediate or higher risk MDS/ Chronic Myelomonocytic Leukemia (CMML) (IPSS-R >3.0);

3. No standard treatment available (comorbidities, higher age, refractoriness to standard or salvage chemotherapy and allografting, azanucleosides failure*);

4. Patients with < 30.000 leukocytes/µl;

5. Eastern Cooperative Oncology Group (ECOG) 0,1,2;

6. Written informed consent obtained according to international guidelines and local laws;

7. Ability to understand the nature of the trial and the trial related procedures and to comply with them.

   • Azanucleosides failure is defined as 1) no response after at least three (AML) or six (MDS) cycles of azacitidine or decitabine, 2) disease progression under treatment or 3) grade 3-4 non-hematologic toxicity.

Exclusion criteria

Patients eligible for this trial must not meet any of the following criteria:

1. Acute promyelocytic leukemia (APL, French-American-British classification system (FAB) M3);
2. Eligibility for standard induction or consolidation chemotherapy, immediate allografting, or a hypomethylating agent;
3. AML with central nervous system (CNS) involvement;
4. AraC treatment within one month prior to registration;
5. Prior exposure to histone deacetylase inhibitors, including sodium valproate within one month prior to registration;
6. Stem cell transplant patient with graft-versus-host disease (GvHD) or under systemic immunosuppression;
7. Previous gastrointestinal surgery that might interfere with drug absorption;
8. Pheochromocytoma;
9. Carcinoid tumor;
10. Confirmed or suspected cerebrovascular disease;
11. Vascular malformations including aneurysm;
12. Severe renal insufficiency;
13. Severe or poorly controlled hypertension;
14. Severe cardiovascular disease;
15. Hepatic insufficiency/liver disease;
16. Porphyria;
17. Diabetes insipidus;
18. History or presence of malignant hyperthermia;
19. Known psychiatric disorders;
20. Known allergy against soy beans or peanuts;
21. Known hypersensitivity to or intolerance of one of the trial drugs or its constituents (e.g. lactose, corn starch, indigocarmine (TCP), corn starch (AraC), other retinoids (ATRA));
22. Simultaneous intake of the prohibited medication, incl. linezolid, that is likely to cause interactions (see detailed list study protocol);
23. Patients who refuse to follow study-specific dietary guidelines;
24. Known or persistent abuse of medication, drugs or alcohol;
25. Current or planned pregnancy, nursing period;
26. Failure to use safe methods of contraception;
27. Simultaneous participation in other interventional trials which could interfere with this trial and/or participation before the end of a required restriction period;
28. Participation in a clinical trial within the last 30 days before the start of this trial
29. Persons who are in a relationship of dependence/employment with the sponsor or the investigator;

Trial design

Primary purpose: Treatment

Allocation: N/A

Interventional model: Single Group Assignment

Masking: None (Open label)

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60 participants in 1 patient group

TCP, ATRA, Cytarabine

Experimental group

Description:

Phase I part: The rolling-six phase I design will be used to determine the MTD of TCP in combination with fixed-dose of ATRA and with fixed-dose AraC in patients with AML/MDS. Intervention: Four dose levels of TCP (20 mg, 40 mg\*\*, 60 mg\*\*, 80 mg\*\* on days 1-28) will be examined in combination with ATRA (45 mg/m2 on days 10-28) and with fixed-dose AraC (40 mg on days 1-10) in the first cycle. In case of dose-limiting toxicity (DLT) on the starting level 1 of 20 mg a de-escalation to dose level of 10 mg (level -1) will be investigated. \*\*TCP dose will be slowly increased to achieve the necessary dose level and slowly tapered off at the end of treatment

Treatment:

Drug: cytarabine

Drug: tranylcypromine

Drug: all-trans retinoic acid