A Study to Assess the Safety and Tolerability of BMS-986158 Alone and in Combination With Either Ruxolitinib or Fedratinib in Participants With Blood Cancer (Myelofibrosis)
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ClinicalTrials.gov Identifier: NCT04817007 |
Recruitment Status :
Recruiting
First Posted : March 25, 2021
Last Update Posted : March 10, 2023
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Myelofibrosis | Drug: BMS-986158 Drug: Ruxolitinib Drug: Fedratinib | Phase 1 Phase 2 |
Expanded Access : An investigational treatment associated with this study is no longer available outside the clinical trial. More info ...
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 216 participants |
Allocation: | Randomized |
Intervention Model: | Sequential Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | A Phase 1b/2 Study of BMS-986158 Monotherapy and in Combination With Either Ruxolitinib or Fedratinib in Participants With DIPSS-Intermediate or High Risk Myelofibrosis |
Actual Study Start Date : | March 23, 2021 |
Estimated Primary Completion Date : | April 14, 2025 |
Estimated Study Completion Date : | April 26, 2027 |

Arm | Intervention/treatment |
---|---|
Experimental: Part 1A: BMS-986158 + Ruxolitinib |
Drug: BMS-986158
Specified dose on specified days Drug: Ruxolitinib Specified dose on specified days
Other Name: Jakafi® |
Experimental: Part 1B: BMS-986158 + Fedratinib |
Drug: BMS-986158
Specified dose on specified days Drug: Fedratinib Specified dose on specified days |
Experimental: Part 2A1: BMS-986158 + Ruxolitinib |
Drug: BMS-986158
Specified dose on specified days Drug: Ruxolitinib Specified dose on specified days
Other Name: Jakafi® |
Experimental: Part 2B1: BMS-986158 + Fedratinib |
Drug: BMS-986158
Specified dose on specified days Drug: Fedratinib Specified dose on specified days |
Experimental: Part 2B2: BMS-986158 Mono and/or (BMS-986158 + Fedratinib), if applicable |
Drug: BMS-986158
Specified dose on specified days Drug: Fedratinib Specified dose on specified days |
Experimental: Part 2A2 Add-On: BMS-986158 + Ruxolitinib |
Drug: BMS-986158
Specified dose on specified days Drug: Ruxolitinib Specified dose on specified days
Other Name: Jakafi® |
Experimental: Part 2A3: BMS-986158 + Ruxolitinib |
Drug: BMS-986158
Specified dose on specified days Drug: Ruxolitinib Specified dose on specified days
Other Name: Jakafi® |
- Incidence of adverse events (AEs) [ Time Frame: Up to 52 months ]
- Incidence of serious adverse events (SAEs) [ Time Frame: Up to 52 months ]
- Incidence of AEs meeting protocol-defined dose-limiting toxicity (DLT) criteria [ Time Frame: Up to 26 months ]
- Incidence of AEs leading to discontinuation [ Time Frame: Up to 52 months ]
- Incidence of death [ Time Frame: Up to 52 months ]
- Spleen volume reduction (SVR) at end of Cycle 6 assessed by Blinded Independent Central Review (BICR) [ Time Frame: Up to 175 days ]
- Response rate defined as proportion of participants with SVR ≥ 35% by MRI (preferred) or CT (if MRI is contraindicated and if CT is allowed by local guidelines) assessed by BICR [ Time Frame: Up to 175 days ]
- SVR at end of Cycle 3 and 6 assessed by BICR [ Time Frame: Up to 175 days ]
- Response rate defined as proportion of participants with SVR ≥ 25% by MRI (preferred) or CT (if MRI is contraindicated and if CT is allowed by local guidelines) assessed by BICR [ Time Frame: Up to 175 days ]
- Symptom response rate (SRR) based on total symptom score (TSS) measured by Myelofibrosis Symptom Assessment Form (MFSAF) [ Time Frame: Up to 175 days ]
- Additional measures based on TSS measured by MFSAF [ Time Frame: Up to 175 days ]
- For transfusion independent (TI), proportion of participants having ≥ 2.0 g/dL hemoglobin (Hgb) increase over baseline [ Time Frame: Up to 24 months ]
- For transfusion dependent (TD), proportion of participants becoming TI as measured by the absence of red blood cell (RBC) transfusions over any consecutive 12-week period [ Time Frame: Up to 24 months ]
- For transfusion dependent (TD), proportion of participants becoming Tl as measured by the absence of erythropoiesis stimulating agents (ESA) over any consecutive 12-week period [ Time Frame: Up to 24 months ]
- For transfusion dependent (TD), proportion of participants becoming Tl as measured by the absence of hydroxyurea over any consecutive 12-week period [ Time Frame: Up to 24 months ]
- Summary of plasma concentrations pharmacokinetics (PK) parameters: maximum observed concentration (Cmax) [ Time Frame: Up to 56 days ]
- Summary of plasma concentrations PK parameters: time of maximum observed concentration (Tmax) [ Time Frame: Up to 56 days ]
- Summary of plasma concentrations PK parameters: area under the concentration-time curve from time zero to the time of the last quantifiable concentration ((AUC (0-T)) [ Time Frame: Up to 56 days ]
- Time from Dose 1, Day 1 to death due to any reason or disease progression (per modified IWG-MRT 2013) assessed by BICR: SDPFS rates at 6 months and 12 months [ Time Frame: 6 month and 12 month ]
International Working Group-Myeloproliferative Neoplasms Research and Treatment (IWG-MRT)
Spleen and disease progression free survival (SDPFS)
- Time from Dose 1, Day 1 to death due to any reason or disease progression (per modified IWG-MRT 2013) assessed by BICR: median SDPFS at 6 months and 12 months [ Time Frame: 6 month and 12 month ]

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Diagnosis of primary myelofibrosis (PMF), post-essential thrombocythemia (ET) or post-polycythemia vera (PV) myelofibrosis
- Treatment-related toxicities from prior therapy resolved to Grade 1 or pre-treatment baseline or determined to be irreversible prior to study treatment
- Must agree to follow specific methods of contraception, if applicable
Exclusion Criteria:
- Women who are pregnant or breastfeeding at screening
- Any significant acute or uncontrolled chronic medical illness
Other protocol-defined inclusion/exclusion criteria apply

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04817007
Contact: BMS Study Connect Contact Center www.BMSStudyConnect.com | 855-907-3286 | Clinical.Trials@bms.com | |
Contact: First line of the email MUST contain NCT # and Site #. |

Study Director: | Bristol-Myers Squibb | Bristol-Myers Squibb |
Responsible Party: | Bristol-Myers Squibb |
ClinicalTrials.gov Identifier: | NCT04817007 |
Other Study ID Numbers: |
CA011-023 2020-002071-35 ( EudraCT Number ) |
First Posted: | March 25, 2021 Key Record Dates |
Last Update Posted: | March 10, 2023 |
Last Verified: | March 2023 |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
BMS-986158 Fedratinib Myelofibrosis Ruxolitinib |
Primary Myelofibrosis Myeloproliferative Disorders Bone Marrow Diseases Hematologic Diseases |