Study of KRT-232 or TL-895 in Janus Associated Kinase Inhibitor Treatment-Naïve Myelofibrosis

NCT ID: NCT04878003

Last Updated: 2022-05-09

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE2

Total Enrollment

52 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-04-13

Study Completion Date

2025-10-31

Brief Summary

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This study evaluates either KRT-232 or TL-895 in treatment naïve patients with myelofibrosis (MF)

The study will be conducted in 2 stages. Stage 1 will evaluate safety, tolerability, and efficacy of either KRT-232 (Arm 1) or TL-895 (Arm 2) in treatment naïve patients. Stage 2 will expand enrollment in Arm 1 and/or Arm 2 if expansion criteria is met.

Detailed Description

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Conditions

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Primary Myelofibrosis (PMF) Post-Polycythemia Vera Myelofibrosis (Post-PV-MF) Post-Essential Thrombocythemia Myelofibrosis (Post-ET-MF)

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Arm 1

KRT-232 administered orally as 240 mg once daily on Days 1-7, off treatment on Days 8-28, in 28-day treatment cycles

Group Type EXPERIMENTAL

KRT-232

Intervention Type DRUG

KRT-232, administration by mouth

Arm 2

TL-895 administered orally as 150 mg twice daily continuously in 28-day cycles

Group Type EXPERIMENTAL

TL-895

Intervention Type DRUG

TL-895, administration by mouth

Interventions

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KRT-232

KRT-232, administration by mouth

Intervention Type DRUG

TL-895

TL-895, administration by mouth

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Confirmed diagnosis of PMF, post-PV MF or post-ET MF (WHO)
* High-risk, or intermediate-1 and 2 risk, defined by Dynamic International Prognostic System (DIPSS)
* ECOG of 0 or 1

Exclusion Criteria

* Subjects who are positive for p53 mutation (Arm 1)
* Prior MDM2 inhibitor therapy or p53-directed therapy (Arm 1)
* Prior treatment with any JAK inhibitor
* Prior splenectomy
* Splenic irradiation within 24 weeks prior to randomization
* Prior allogeneic stem-cell transplantation or plans for allogeneic stem-cell transplant
* History of major organ transplant
* Grade 2 or higher QTc prolongation
* Major hemorrhage or intracranial hemorrhage within 24 weeks prior to randomization
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Kartos Therapeutics, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Innovative Clinical Research Institute

Glendale, California, United States

Site Status RECRUITING

Innovative Clinical Research Institute

Whittier, California, United States

Site Status RECRUITING

Gabrail Cancer Center

Canton, Ohio, United States

Site Status RECRUITING

MD Anderson Cancer Center

Houston, Texas, United States

Site Status RECRUITING

Republican Scientific Practical Center of Radiation Medicine and Human Ecology

Belarus’, , Belarus

Site Status RECRUITING

Minsk Scientific and Practice Center of Surgery, Transplantology and Hematology

Minsk, , Belarus

Site Status RECRUITING

UMHAT Georgi Stranski

Pleven, , Bulgaria

Site Status RECRUITING

Medical Centre Hipokrat N

Plovdiv, , Bulgaria

Site Status RECRUITING

UMHAT Sv. Ivan Rilski EAD

Sofia, , Bulgaria

Site Status RECRUITING

Military Medical Academy

Sofia, , Bulgaria

Site Status RECRUITING

Specialized Hospital for Active Treatment of Hematologic Diseases

Sofia, , Bulgaria

Site Status RECRUITING

JSC EVEX Hospitals

Kutaisi, , Georgia

Site Status RECRUITING

LTD M.Zodelava Hematology Centre

Tbilisi, , Georgia

Site Status RECRUITING

K.Eristavi National Center of Experimental and Clinical Surgery

Tbilisi, , Georgia

Site Status RECRUITING

Centro de Investigacion Medica Aquascalientes (CIMA)

Aguascalientes, , Mexico

Site Status RECRUITING

Unidad de Investigacion CIMA SC

Chihuahua City, , Mexico

Site Status RECRUITING

Centro de Investigacion Clinica de Oaxaca (CICLO)

Oaxaca City, , Mexico

Site Status RECRUITING

Sociedad de Metabolismo Y Corazon - SOMECO

Veracruz, , Mexico

Site Status RECRUITING

Samodzielny Publiczny Zakład Opieki Zdrowotnej Zespół Szpitali Miejskich

Katowice, , Poland

Site Status RECRUITING

Szpital Wojewodzki w Opolu Sp. z o.o., Oddzial Hematologii i Onkologii Hematologicznej

Opole, , Poland

Site Status RECRUITING

Wojewodzki Szpital Specjalistyczny im. Janusza Korczaka w Slupsku Sp. z o.o.

Słupsk, , Poland

Site Status RECRUITING

Botkin City Clinical Hospital

Moscow, , Russia

Site Status RECRUITING

Republican Hospital n.a. V.A. Baranov

Petrozavodsk, , Russia

Site Status RECRUITING

Pavlov First Saint Petersburg State Medical University

Saint Petersburg, , Russia

Site Status RECRUITING

Almazov National Medical Research Center

Saint Petersburg, , Russia

Site Status RECRUITING

Almazov National Medical Research Centre

Saint Petersburg, , Russia

Site Status RECRUITING

Samara State Medical University

Samara, , Russia

Site Status RECRUITING

Wits Baragwanath Clinical Hematology Department

Soweto, , South Africa

Site Status RECRUITING

City Hematology Center of Municipal Non-Profit Enterprise City Clinical Hospital #4 of Dnipro City Council

Dnipro, , Ukraine

Site Status RECRUITING

Countries

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United States Belarus Bulgaria Georgia Mexico Poland Russia South Africa Ukraine

Central Contacts

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John Mei

Role: CONTACT

650-542-0136

Jordan Blevins

Role: CONTACT

650-542-0136

Other Identifiers

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KRT-232-114

Identifier Type: -

Identifier Source: org_study_id

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