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Trial details imported from ClinicalTrials.gov

For full trial details, please see the original record at https://clinicaltrials.gov/study/NCT03662126




Registration number
NCT03662126
Ethics application status
Date submitted
5/09/2018
Date registered
7/09/2018
Date last updated
28/04/2023

Titles & IDs
Public title
KRT-232 Versus Best Available Therapy for the Treatment of Subjects With Myelofibrosis Who Are Relapsed or Refractory to JAK Inhibitor Treatment
Scientific title
A Phase 2/3 Randomized, Controlled, Open-Label Study of KRT 232 in Subjects With Primary Myelofibrosis (PMF), Post Polycythemia Vera MF (Post-PV-MF), Or Post Essential Thrombocythemia MF (Post-ET-MF) Who Are Relapsed or Refractory to Janus Kinase (JAK) Inhibitor Treatment
Secondary ID [1] 0 0
KRT-232-101
Universal Trial Number (UTN)
Trial acronym
BOREAS
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Primary Myelofibrosis (PMF) 0 0
Post-Polycythemia Vera MF (Post-PV-MF) 0 0
Post-Essential Thrombocythemia MF (Post-ET-MF) 0 0
Condition category
Condition code
Blood 0 0 0 0
Haematological diseases
Blood 0 0 0 0
Other blood disorders
Musculoskeletal 0 0 0 0
Other muscular and skeletal disorders
Human Genetics and Inherited Disorders 0 0 0 0
Other human genetics and inherited disorders
Cancer 0 0 0 0
Leukaemia - Chronic leukaemia

Intervention/exposure
Study type
Interventional
Description of intervention(s) / exposure
Treatment: Drugs - KRT-232
Treatment: Drugs - Best Available Therapy (BAT)

Experimental: Part A Cohort 1 - KRT-232 120 mg by mouth once daily for Days 1-7, off treatment for Days 8-21 (21-day cycles)

Experimental: Part A Cohort 2 - KRT-232 240 mg by mouth once daily for Days 1-7, off treatment for Days 8-21 (21-day cycles)

Experimental: Part A Cohort 3 - KRT-232 240 mg by mouth once daily for Days 1-7, off treatment for Days 8-28 (28-day cycles)

Experimental: Part A Cohort 4b - KRT-232 240 mg by mouth once daily for Days 1-5, off treatment for Days 6-28 (28-day cycles)

Experimental: Part B Arm 1 KRT-232 - KRT-232 240 mg by mouth once daily for Days 1-7, off treatment for Days 8-28 (28-day cycles)

Active comparator: Part B Arm 2 Best Available Therapy - Best available therapy at the discretion of the investigator, on a 28-day cycle.


Treatment: Drugs: KRT-232
KRT-232, administered by mouth

Treatment: Drugs: Best Available Therapy (BAT)
Best available therapy options include:

1. hydroxyurea
2. chemotherapy or
3. supportive care (including but not limited to corticosteroids and androgens; JAK inhibitors not allowed).

Intervention code [1] 0 0
Treatment: Drugs
Comparator / control treatment
Control group

Outcomes
Primary outcome [1] 0 0
(Part A Only) Spleen Volume Reduction (SVR)
Timepoint [1] 0 0
24 weeks
Primary outcome [2] 0 0
(Part B Only) Spleen Volume Reduction (SVR)
Timepoint [2] 0 0
24 Weeks
Secondary outcome [1] 0 0
(Part A only) Improvement in Total Symptom Score (TSS)
Timepoint [1] 0 0
48 weeks
Secondary outcome [2] 0 0
(Part B only) Improvement of Total Symptom Score (TSS)
Timepoint [2] 0 0
24 Weeks
Secondary outcome [3] 0 0
(Part B only) Overall Survival (OS)
Timepoint [3] 0 0
48 months
Secondary outcome [4] 0 0
(Part B only) Progression free survival (PFS)
Timepoint [4] 0 0
48 months
Secondary outcome [5] 0 0
(Part B Only) Overall Spleen Volume Reduction (SVR)
Timepoint [5] 0 0
48 months
Secondary outcome [6] 0 0
(Part B Only) Spleen Response Duration
Timepoint [6] 0 0
48 months
Secondary outcome [7] 0 0
(Part B Only) Rate of conversion from RBC transfusion dependent to independent
Timepoint [7] 0 0
24 weeks

Eligibility
Key inclusion criteria
* Confirmed diagnosis of PMF, post-PV MF or post-ET MF (WHO)
* High, intermediate-2, or intermediate-1 risk Dynamic International Prognostic System (DIPSS)
* Failure of prior treatment with JAK inhibitor
* ECOG = 2
Minimum age
18 Years
Maximum age
No limit
Sex
Both males and females
Can healthy volunteers participate?
No
Key exclusion criteria
* Prior splenectomy
* Splenic irradiation within 3 months prior to randomization
* History of major hemorrhage or intracranial hemorrhage within 6 months prior to randomization
* History of stroke, reversible ischemic neurological defect or transient ischemic attack within 6 months prior to randomization
* Prior MDM2 inhibitor therapy or p53-directed therapy
* Prior allogeneic stem-cell transplant or plans for allogeneic stem cell transplant
* History of major organ transplant
* Grade 2 or higher QTc prolongation (> 480 milliseconds per NCI-CTCAE criteria, version 5.0)

Study design
Purpose of the study
Treatment
Allocation to intervention
Randomised controlled trial
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Masking / blinding
Blinded (masking used)
Who is / are masked / blinded?


The people assessing the outcomes
Intervention assignment
Crossover
Other design features
Phase
Phase 2
Type of endpoint/s
Statistical methods / analysis

Recruitment
Recruitment status
Recruiting
Data analysis
Reason for early stopping/withdrawal
Other reasons
Date of first participant enrolment
Anticipated
Actual
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
Actual
Sample size
Target
Accrual to date
Final
Recruitment in Australia
Recruitment state(s)
VIC,WA
Recruitment hospital [1] 0 0
Monash Medical Centre - Clayton
Recruitment hospital [2] 0 0
Fiona Stanley Hosital - Murdoch
Recruitment hospital [3] 0 0
Royal Adelaide Hospital - Adelaide
Recruitment hospital [4] 0 0
The Alfred Hospital - Melbourne
Recruitment hospital [5] 0 0
South Eastern Private Hospital - Noble Park
Recruitment hospital [6] 0 0
Icon Cancer Center - South Brisbane
Recruitment postcode(s) [1] 0 0
3168 - Clayton
Recruitment postcode(s) [2] 0 0
6150 - Murdoch
Recruitment postcode(s) [3] 0 0
- Adelaide
Recruitment postcode(s) [4] 0 0
- Melbourne
Recruitment postcode(s) [5] 0 0
3174 - Noble Park
Recruitment postcode(s) [6] 0 0
- South Brisbane
Recruitment outside Australia
Country [1] 0 0
United States of America
State/province [1] 0 0
Alabama
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United States of America
State/province [2] 0 0
California
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United States of America
State/province [3] 0 0
Florida
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United States of America
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Illinois
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United States of America
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Massachusetts
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United States of America
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Missouri
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United States of America
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New York
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United States of America
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Ohio
Country [9] 0 0
United States of America
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Oregon
Country [10] 0 0
United States of America
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South Dakota
Country [11] 0 0
United States of America
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Tennessee
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United States of America
State/province [12] 0 0
Texas
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United States of America
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Wisconsin
Country [14] 0 0
Argentina
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Santa Fe
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Argentina
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Buenos Aires
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Argentina
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Caba
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Argentina
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Córdoba
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Brazil
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Ceara
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Brazil
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Parana
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Brazil
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São Paulo
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Brazil
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Goiânia
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Brazil
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Jau
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Brazil
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Porto Alegre
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Brazil
State/province [24] 0 0
Sao Paulo
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Bulgaria
State/province [25] 0 0
Pleven
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Bulgaria
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Plovdiv
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Bulgaria
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Sofia
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Canada
State/province [28] 0 0
Ontario
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Croatia
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Sibenik
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Croatia
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Zagreb
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Czechia
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Králová
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Czechia
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Nové Mesto
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Czechia
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Olomouc
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France
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Amiens
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France
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Angers
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Bayonne
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France
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Brest Cedex
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Caen
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France
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Le Mans
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France
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Nîmes
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France
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Paris
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France
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Poitiers
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France
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Toulouse
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Villejuif
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Germany
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Bayern
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Germany
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Nordrhein-Westfalen
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Germany
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Sachsen-Anhalt
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Germany
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Sachsen
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Germany
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Thuringen
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Germany
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Berlin
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Germany
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Hamburg
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Germany
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Mainz
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Germany
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Mutlangen
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Germany
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Saarbrücken
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Greece
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Ioannina
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Greece
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Patras
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Greece
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Thessaloníki
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Hong Kong
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Hong Kong
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Hong Kong
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Shatin
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Hungary
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Somogy
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Hungary
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Szabolcs-Szatmar-Bereg
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Hungary
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Vas
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Hungary
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Budapest
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Hungary
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Debrecen
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Hungary
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Szeged
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Israel
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Afula
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Israel
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Ashdod
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Haifa
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Jerusalem
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Israel
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Kfar Saba
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Israel
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Nahariya
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Israel
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Petah Tikva
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Israel
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Tel Aviv
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Israel
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Zerifin
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Italy
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Lombardia
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Italy
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Alessandria
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Italy
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Ancona
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Italy
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Bologna
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Italy
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Brescia
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Italy
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Catania
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Italy
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Firenze
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Meldola
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Italy
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Milano
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Italy
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Novara
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Italy
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Pesaro
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Italy
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Reggio Emilia
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Italy
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Roma
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Italy
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Torino
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Korea, Republic of
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Busan
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Korea, Republic of
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Daegu
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Korea, Republic of
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Seongnam-si
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Korea, Republic of
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Seoul
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Lithuania
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Kaunas
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Mexico
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Nuevo Leon
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Monterrey
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Oaxaca
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Aveiro
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Lisboa
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Bucharest
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Romania
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Bucuresti
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Romania
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Cluj-Napoca
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Romania
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Craiova
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Romania
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Iasi
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Romania
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Timisoara
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Romania
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Târgu-Mures
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Russian Federation
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Omsk
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Russian Federation
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St Petersburg
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Russian Federation
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Syktyvkar
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Spain
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Barcelona
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Spain
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Las Palmas
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Spain
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Madrid
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Spain
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Cáceres
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Spain
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Málaga
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Spain
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Palma de Mallorca
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Spain
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Pamplona
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Spain
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Salamanca
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Spain
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Valencia
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Spain
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Zaragoza
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Taiwan
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Taipei
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Taiwan
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Chiayi City
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Taiwan
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Kaohsiung
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Taiwan
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Taichung
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Thailand
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Bangkok
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Thailand
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Khlong Luang
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Thailand
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Khon Kaen
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Thailand
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Songkhla
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Turkey
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Adapazari
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Turkey
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Ankara
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Turkey
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Denizli
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Gaziantep
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Turkey
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Malatya
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Mersin
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Turkey
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Samsun
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United Kingdom
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Birmingham
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Glasgow
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United Kingdom
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London
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United Kingdom
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Oxford

Funding & Sponsors
Primary sponsor type
Commercial sector/industry
Name
Kartos Therapeutics, Inc.
Address
Country

Ethics approval
Ethics application status

Summary
Brief summary
Trial website
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for public queries
Name 0 0
John Mei
Address 0 0
Country 0 0
Phone 0 0
650-542-0136
Fax 0 0
Email 0 0
Contact person for scientific queries

No information has been provided regarding IPD availability


What supporting documents are/will be available?

No Supporting Document Provided



Results publications and other study-related documents

No documents have been uploaded by study researchers.