An Open-Label, Multicenter, Phase 1b/2 Study of the Safety and Efficacy of KRT-232 Combined With Ruxolitinib in Patients With Primary Myelofibrosis (PMF), Post-Polycythemia Vera MF (Post-PV-MF), Or Post-Essential Thrombocythemia MF (Post ET-MF) Who Have a Suboptimal Response to Ruxolitinib

NCT ID: NCT04485260

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

UNKNOWN

Clinical Phase

PHASE1/PHASE2

Total Enrollment

36 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-01-28

Study Completion Date

2024-10-31

Brief Summary

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This is a phase 1b/2 study of KRT-232 combined with ruxolitinib in subjects with MF who have a suboptimal response after at least 18 weeks of treatment with ruxolitinib. The primary objective of the study is to determine a recommended phase 2 dose (RP2D) of KRT 232 in combination with ruxolitinib.

Detailed Description

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Conditions

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Myelofibrosis

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Part A, Arm 1, Cohort 1

KRT-232 by mouth once daily for Days 1-7, off treatment for Days 8-28 (28 day cycle)

Group Type EXPERIMENTAL

KRT-232

Intervention Type DRUG

administered by mouth

Ruxolitinib

Intervention Type DRUG

administered by mouth

Interventions

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KRT-232

administered by mouth

Intervention Type DRUG

Ruxolitinib

administered by mouth

Intervention Type DRUG

Other Intervention Names

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Jakafi Jakavi

Eligibility Criteria

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Inclusion Criteria

* Confirmed diagnosis of PMF, post-PV MF, or post-ET MF, as assessed by treating physician according to the World Health Organization (WHO)
* Treatment with ruxolitinib for ≥18 weeks prior to study entry, and on a stable dose of ruxolitinib in the 8 weeks prior to study entry
* Spleen ≥5 cm palpable below the LLCM or ≥450 cm3 by MRI or CT
* Patients must have at least 2 symptoms with a score of at least 1 on the MFSAF v4.0
* ECOG performance status of 0 to 2

Exclusion Criteria

* Patients who are positive for TP53 mutations
* Documented disease progression or clinical deterioration any time while on ruxolitinib treatment
* Patients who have had a documented spleen response to ruxolitinib.
* Prior splenectomy
* Prior MDM2 inhibitor therapy or p53-directed therapy
Minimum Eligible Age

18 Years

Maximum Eligible Age

99 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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City of Hope

Duarte, California, United States

Site Status RECRUITING

John Hopkins University

Baltimore, Maryland, United States

Site Status RECRUITING

University of Michigan

Ann Arbor, Michigan, United States

Site Status RECRUITING

Icahn School of Medicine at Mount Sinai

New York, New York, United States

Site Status RECRUITING

Cleveland Clinic

Cleveland, Ohio, United States

Site Status RECRUITING

Fox Chase Cancer Center

Philadelphia, Pennsylvania, United States

Site Status RECRUITING

MD Anderson Cancer Center

Houston, Texas, United States

Site Status RECRUITING

Fred Hutchinson Cancer Research Center

Seattle, Washington, United States

Site Status RECRUITING

Royal Adelaide Hospital

Adelaide, , Australia

Site Status RECRUITING

Dr. Georgi Stranski

Pleven, , Bulgaria

Site Status RECRUITING

Saint Ivan Rilski Hospital

Sofia, , Bulgaria

Site Status RECRUITING

University Mutiprofile Hospital Alexandrovska

Sofia, , Bulgaria

Site Status RECRUITING

CHU de Caen

Caen, Cedex 9, France

Site Status RECRUITING

Chu Angers

Angers, , France

Site Status RECRUITING

Centre Hospitalier du Mans

Le Mans, , France

Site Status RECRUITING

Institut Paoli-Calmettes

Marseille, , France

Site Status RECRUITING

CHU Saint Eloi

Montpellier, , France

Site Status RECRUITING

Hopital Saint Louis

Paris, , France

Site Status RECRUITING

CHU Tours - Hôpital Bretonneau

Tours, , France

Site Status RECRUITING

Universitätsklinikum Aachen Hämatologie, Onkologie, Hämostaseologie und Stammzelltransplantation

Aachen, , Germany

Site Status RECRUITING

Department für Innere Medizin Universitätsklinik und Poliklinik für Innere Medizin IV Hämatologie/Onkologie

Halle, , Germany

Site Status RECRUITING

Universitaetsklinikum Jena

Jena, , Germany

Site Status RECRUITING

UNIVERSITÄTSMEDIZIN der Johannes Gutenberg-Universität Mainz III. Med. Klinik und Poliklinik

Mainz, , Germany

Site Status RECRUITING

Stauferklinikum Schwäbisch Gmünd

Mutlangen, , Germany

Site Status RECRUITING

Shamir Medical Center ( Assaf Harofeh)

Ẕerifin, , Israel

Site Status RECRUITING

Bologna University Hospital, Institute of Hematology

Bologna, , Italy

Site Status RECRUITING

Universita degli Studi di Catania

Catania, , Italy

Site Status RECRUITING

University of Florence

Florence, , Italy

Site Status RECRUITING

Istituto Tumori della Romagna (IRST)

Meldola, , Italy

Site Status RECRUITING

Ospedale di Circolo e Fondazione MacchiASST Sette Laghi

Varese, , Italy

Site Status RECRUITING

Oddział Kliniczny Hematologii Szpitala Uniwersyteckiego w Krakowie

Krakow, , Poland

Site Status RECRUITING

Szpital Wojewódzki w Opolu Sp zooOddzial Kliniczny Hematologii

Opole, , Poland

Site Status RECRUITING

d'Hebron University Hospital in Barcelona

Barcelona, , Spain

Site Status RECRUITING

Hospital Universitario Germans Trias i Pujol

Barcelona, , Spain

Site Status RECRUITING

Hospital Universitario de Gran Canaria Doctor Negrin

Las Palmas de Gran Canaria, , Spain

Site Status RECRUITING

Hospital Virgen de la Victoria

Málaga, , Spain

Site Status RECRUITING

Hospital Universitario de Salamanca

Salamanca, , Spain

Site Status RECRUITING

Hospital de Dia Quiron Zaragoza

Zaragoza, , Spain

Site Status RECRUITING

Countries

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United States Australia Bulgaria France Germany Israel Italy Poland Spain

Central Contacts

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John Mei

Role: CONTACT

650-542-0136

Other Identifiers

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KRT-232-109

Identifier Type: -

Identifier Source: org_study_id

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