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Iberdomide

Phase 3FDA approved

Multiple Myeloma | Small molecule | Oncology |Bristol-Myers Squibb Company|Trials Updated: Sep 17, 2026

Iberdomide development status

FDA approval on record Aug 13, 2026 as Zenbexus
Approval holderBristol Myers Squibb
ApplicationNDA221075
Highest phase Phase 3
Registered trials 22 across 16 sponsors since Jun 2021

Iberdomide target and mechanism

Molecular targetCRBN, DDB1, CUL4A, RBX1
Target classModulator
ModalitySmall molecule

Also known as CC-220, Iberdomide Hydrochloride, BMS-986382, CC-220 Hydrochloride

Success Probability

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Market & Valuation

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Trial Design

RandomizedCONTROLLEDDMC
Total Trials11
Total Enrollment3,454

FDA Designations

No designations recorded

Iberdomide clinical trials

Iberdomide · 11 trials · 8 indications

Phase 3 2Phase 2 5Phase 1 4
NCT05827016A Study to Compare Iberdomide Maintenance Versus Lenalidomide Maintenance Therapy Following Autologous Stem Cell Transplant in Participants With Newly Diagnosed Multiple MyelomaMultiple Myeloma
ACTIVE NOT_RECRUITING1,230 Analytics
NCT04975997Open-label Study Comparing Iberdomide, Daratumumab and Dexamethasone (IberDd) Versus Daratumumab, Bortezomib, and Dexamethasone (DVd) in Participants With Relapsed or Refractory Multiple Myeloma (RRMM)Multiple Myeloma
ACTIVE NOT_RECRUITING939 Analytics
PHASE3ACTIVE NOT_RECRUITING
A Study to Compare Iberdomide Maintenance Versus Lenalidomide Maintenance Therapy Following Autologous Stem Cell Transplant in Participants With Newly Diagnosed Multiple Myeloma
Multiple MyelomaUnlock trial analytics
PHASE3ACTIVE NOT_RECRUITING
Open-label Study Comparing Iberdomide, Daratumumab and Dexamethasone (IberDd) Versus Daratumumab, Bortezomib, and Dexamethasone (DVd) in Participants With Relapsed or Refractory Multiple Myeloma (RRMM)
Multiple MyelomaUnlock trial analytics

Study Endpoints

Primary Endpoints

Progression-free survival (PFS)
Up to 6 years
Minimal Residual Disease (MRD) negative Complete Response (CR) at any time
Up to approximately 5 years

To compare the efficacy of iberdomide (also known as BMS-986382), daratumumab, and dexamethasone (IberDd) to that of daratumumab, bortezomib, and dexamethasone (DVd) in participants with relapsed or refractory multiple myeloma (RRMM) in terms of minimal residual disease (MRD) negative complete response (CR) at any time.

Rate of MRD-negativity: Iber-KDd Combination therapy.
Up to 8 months

The rate of minimal residual disease negativity (MRD-negativity) will be reported as the number of participants achieving MRD-negativity after eight cycles of Iber-KDd combination therapy. MRD-negativity is defined as less than one (\<1) residual cancer cell detected in 100,000 cells assessed.

Rate of MRD (-) at 12 months
12 months

Summarized by a binomial response rate and its associated 2-sided 90% confidence interval (CI) using Pearson-Klopper method.

Overall response rate
Up to 3 years

Assessed per International Myeloma Working Group response criteria (to be done with serum and urine immunologic studies monthly; bone marrow biopsy and repeat imaging at either complete response or progressive disease).

Number of Participants Who Achieve SLE Responder Index (SRI) (4) Response
Week 24

The primary objective is to evaluate the clinical efficacy of three doses of CC-220 (0.45 mg once per day \[QD\], 0.3 mg QD or 0.15 mg QD) compared to placebo, for the treatment of active systemic lupus erythematosus (SLE) using the SLE Responder Index at Week 24 Composite endpoint SRI(4), defined by the following criteria: - Reduction from Baseline of ≥ 4 points in the Systemic Lupus Erythematosus Disease Activity Index (SLEDAI) 2K score and - No new one or more British Isles Lupus Assessment Group (BILAG) A or new (excludes A to B) 2 or more BILAG B items compared to Baseline using BILAG 2004 Index and - No worsening from Baseline defined by an increase of \< 0.30 points from Baseline on a Physician's Global Assessment (PGA) visual analog scale (VAS) from 0-3

Number of Participants With Treatment Emergent Adverse Events (TEAEs) in Part 1 Treatment Phase
From the start of the first dose of IP until 28 days after the last dose or study discontinuation in Part 1; median treatment duration = 12.0 weeks for the placebo, 0.3 mg QOD and 0.3 mg iberdomide QD arms, 11.9 weeks for the 0.6/0.3 ALT and 0.6 cohorts.

A TEAE was defined as any adverse event (AE) that began or worsened on or after the start of IP up to 28 days after the last dose of IP or IP discontinuation date, whichever was later. Each participant was counted once for each applicable category. An IP-related TEAE was defined as a TEAE that the investigator considered to be of suspected relationship to IP. The severity of each adverse event and serious AE (SAE) was assessed by the investigator and graded based on a scale from mild - mild symptoms to severe AEs (non-serious or serious). A serious adverse event (SAE) was any AE which: • Resulted in death • Was life-threatening • Required inpatient hospitalization or prolongation of existing hospitalization • Resulted in persistent or significant disability/incapacity • Was a congenital anomaly/birth defect • Constituted an important medical event.

Number of Participants With Treatment Emergent Adverse Events (TEAEs) in the Active Treatment Extension Phase
From the date of the first dose of IP in the ATEP until 28 days after the last dose in the ATEP or study discontinuation; median duration of IP was 95.86 weeks for the 0.3 mg iberdomide QD cohort and 60.64 weeks for the 0.6 mg/0.3 mg ALT QD cohorts.

A TEAE was defined as any adverse event (AE) that began or worsened on or after the start of IP through 28 days after the last dose of IP or IP discontinuation date, whichever was later. Each participant was counted once for each applicable category. An IP-related TEAE was defined as a TEAE that the investigator considered to be of suspected relationship to IP. The severity of each adverse event and serious AE (SAE) was assessed by the investigator and graded based on a scale from mild - mild symptoms to severe AEs (non-serious or serious). A serious adverse event (SAE) was any AE which: • Resulted in death • Was life-threatening • Required inpatient hospitalization or prolongation of existing hospitalization • Resulted in persistent or significant disability/incapacity • Was a congenital anomaly/birth defect • Constituted an important medical event.

Dose limiting toxicity
One year

Proportion of patients in each regimen who develop dose limiting toxicity

MRD conversion ( to < 10-5 MM-associated molecules)
Four years

Rate MRD conversion ( to \<10-5 MM-associated molecules) at completion of consolidation therapy. Patients who are not assessed for MRD at the completion of consolidation (due to any reason, including death, withdrawal from study, loss to follow-up, missed assessment, etc) will be considered as not having achieved MRD conversion.

Maximum Tolerated Dose (MTD) - Part 1
During the first 2 cycles of treatment (each cycle is 21 days)

Frequency of dose-limiting toxicities (DLT) associated with addition of iberdomide (CC-220) to R-CHOP-21 therapy and the addition of CC-99282 to R-CHOP-21 therapy

Recommended Phase 2 Dose (RP2D) - Part 1
During the first cycle of treatment (each cycle is 21 days)

Defined as the dose that will be selected for dose expansion based on MTD

Safety and tolerability of CC-220 and CC-99282 at RP2D - Part 2
From the first dose of any IP until 28 days after the last dose of IP

AEs evaluated using NCI CTCAE criteria, v. 5.0, including treatment -emergent adverse events (TEAEs) and laboratory assessments

Maximum Tolerated Dose (MTD) - Part 2A
During the first cycle of treatment (each cycle is 21 days)

Frequency of DLTs associated with addition of iberdomide (CC-220) to polatuzumab-R-CHP therapy and the addition of CC-99282 to polatuzumab-R-CHP therapy

Recommended Phase 2 Dose (RP2D) - Part 2A
During the first cycle of treatment (each cycle is 21 days)

Defined as the dose that will be selected for dose expansion based on MTD

Iberdomide Pharmacokinetics - AUC(0-T)
Up to 72 hours following the last dose of iberdomide

Estimation of area under the plasma concentration -time curve (AUC) calculated from time zero to time t, where t is the time point of the last measurable concentration

Metabolite M12 Pharmacokinetics - AUC(0-T)
Up to 72 hours following the last dose of iberdomide

Estimation of AUC calculated from time zero to time t, where t is the time point of the last measurable concentration

Iberdomide Pharmacokinetics - AUC(INF)
Up to 72 hours following the last dose of iberdomide

Estimation of AUC calculated from time zero extrapolated to infinity

Metabolite M12 Pharmacokinetics - AUC(INF)
Up to 72 hours following the last dose of iberdomide

Estimation of AUC calculated from time zero extrapolated to infinity

Iberdomide Pharmacokinetics - Cmax
Up to 72 hours following the last dose of iberdomide

Estimation of maximum observed plasma concentration

Iberdomide Pharmacokinetics - Tmax
Up to 72 hours following the last dose of iberdomide

Estimated time to Cmax

Metabolite M12 Pharmacokinetics - Tmax
Up to 72 hours following the last dose of iberdomide

Estimated time to Cmax

Iberdomide Pharmacokinetics - T-HALF
Up to 72 hours following the last dose of iberdomide

Estimation of terminal elimination half-life in plasma

Metabolite M12 Pharmacokinetics - T-HALF
Up to 72 hours following the last dose of iberdomide

Estimation of terminal elimination half-life in plasma

Iberdomide Pharmacokinetics - CLT/F
Up to 72 hours following the last dose of iberdomide

Apparent total plasma clearance when dosed orally

Iberdomide Pharmacokinetics - CLNR/F
Up to 72 hours following the last dose of iberdomide

Apparent nonrenal clearance

Iberdomide Pharmacokinetics - VZ/F
Up to 72 hours following the last dose of iberdomide

Estimation of apparent volume of distribution when dosed orally

Iberdomide Pharmacokinetics - CLR
Up to 72 hours following the last dose of iberdomide

Renal Clearance

Metabolite M12 Pharmacokinetics - CLR
Up to 72 hours following the last dose of iberdomide

Renal clearance

Iberdomide Pharmacokinetics - UR
Up to 72 hours following the last dose of iberdomide

Estimation of amount excreted in urine

Iberdomide Pharmacokinetics - CLD
4 hours post-start of dialysis

Dialysis clearance

Number of Participants With Dose Limiting Toxicities in Part 1.
From first dose to 28 days post last dose (up to 28 days)

The dose-limiting toxicity (DLT) population includes subjects who missed no more than 4 doses of CC-220, 2 doses of DEX, 1 dose of IV DARA (Cohort E), 1 dose of BTZ (Cohort F), or 1 dose of CFZ (Cohort G1 or G2) during Cycle 1 for reasons other than DLT. This population will be used for analyzing the primary endpoint regarding the determination of the MTD. Hematologic DLTs: Grade 4 neutropenia (ANC \<500/μL for \>5 days) Grade 3 neutropenia (ANC \<1,000/μL) with fever ≥38.5°C Grade 4 thrombocytopenia (platelet count \<25,000/μL) or Grade 3 thrombocytopenia with bleeding or need for platelet transfusion Any other grade 4 hematologic toxicity, except anemia, not resolving to pretreatment baseline within 72 hours. Non-hematologic DLT: Any non-hematological toxicity ≥ Grade 3, except alopecia and nausea controlled by medical management.

Overall Response Rate (ORR) in Cohort D and Cohort H2
Approximately on average (Cohort D: 21.14 weeks, Cohort H2: 22.11 Weeks)

Tumor response, including progressive disease (PD) according to the IMWG Uniform Response Criteria (Kumar, 2016) for subjects who achieved partial response (PR) or better.

Secondary Endpoints

Achieving minimal residual disease (MRD) negativity in participants with complete response (CR) or better at 12 (± 3) months of maintenance treatment
Up to 6 years
Overall Survival
Up to 12 years
Recommended iberdomide dose for Stage 2
Up to 1 year
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Arm A1: Iberdomide Dose 1EXPERIMENTAL -
Arm A2: Iberdomide Dose 2EXPERIMENTAL -
Arm A3: Iberdomide Dose 3EXPERIMENTAL -
Arm B: LenalidomideACTIVE_COMPARATOR -
Daratumumab in combination with Iberdomide and dexamethasone - Dose 1EXPERIMENTALParticipants will receive oral iberdomide, subcutaneous daratumumab and oral dexamethasone.
Daratumumab in combination with Iberdomide and dexamethasone - Dose 2EXPERIMENTAL -
Daratumumab in combination with Iberdomide and dexamethasone - Dose 3EXPERIMENTAL -
Daratumumab in combination with dexamethasone and bortezomibACTIVE_COMPARATORParticipants will receive subcutaneous daratumumab, bortezomib and oral dexamethasone
Iber-KDd Combination TherapyEXPERIMENTALPrior to Iber-KDd combination therapy, participants will receive Acetaminophen, Diphenhydramine and Montelukast therapy per protocol. Participants will receive up to eight (8) 28-day cycles of combination Iberdomide (I), Carfilzomib (K), Daratumumab (D), and Dexamethasone (d) (Iber-KDd) therapy. Participants will receive Iber-KDd combination therapy for approximately 8 months. In the absence of disease progression, participants will continue on to Iber monotherapy. Participants with disease progression will discontinue study therapy but will continue to be followed for up to three (3) years after conclusion of Iber-KDd combination therapy.
Iber MonotherapyEXPERIMENTALAfter completion of Iber-KDd combination therapy, and In the absence of disease progression, participants will then receive up to twelve (12) 28-day cycles of Iberdomide (Iber) monotherapy. Participants will receive Iber monotherapy for up to 12 months or until disease progression. Participants will be followed for up to three (3) years after conclusion of Iber monotherapy. Total study participation is up to five (5) years.
Iberdomide and DaratumumabEXPERIMENTAL -
Arm A (iberdomide hydrochloride, dexamethasone)EXPERIMENTALPatients receive iberdomide hydrochloride PO QD on days 1-21 and dexamethasone PO on days 1, 8, 15, and 22. Treatment repeats every 28 days for 4 cycles in the absence of disease progression or unacceptable toxicity. Patients then receive iberdomide hydrochloride PO QD on days 1-21. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.
Arm B (iberdomide hydrochloride)ACTIVE_COMPARATORPatients receive iberdomide hydrochloride PO QD on days 1-21. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.
CC-220 0.45 mg QD Placebo Controlled PhaseEXPERIMENTAL* At Weeks 0 to 24: CC-220 Placebo Controlled Phase: CC-220 0.45 mg once daily (QD) * At Weeks 24 to 52: CC-220 Active Treatment Phase: CC-220 0.45 mg once daily (QD) * Long-term Extension Phase (52 weeks to 104 weeks): At Week 52 all subjects who elect to continue in the Long-term Extension will stay on the same dose they were on at the conclusion of the randomized, double-blind, active treatment phase.
C-220 0.3 mg QD Placebo Controlled PhaseEXPERIMENTAL* At Weeks 0 to 24: CC-220 Placebo Controlled Phase: CC-220 0.3 mg once daily (QD) * At Weeks 24 to 52: CC-220 Active Treatment Phase: CC-220 0.30 mg once daily (QD) * Long-term Extension Phase (52 weeks to 104 weeks): At Week 52 all subjects who elect to continue in the Long-term Extension will stay on the same dose they were on at the conclusion of the randomized, double-blind, active treatment phase.
CC-220 0.15 mg QD Placebo Controlled PhaseEXPERIMENTAL* At Weeks 0 to 24: CC-220 Placebo Controlled Phase: CC-220 0.15 mg once daily (QD) * At Weeks 24 to 52: CC-220 Active Treatment Phase: CC-220 0.15 mg once daily (QD) * Long-term Extension Phase (52 weeks to 104 weeks): At Week 52 all subjects who elect to continue in the Long-term Extension will stay on the same dose they were on at the conclusion of the randomized, double-blind, active treatment phase.
PlaceboPLACEBO_COMPARATORWeeks 0 to 24: CC-220 Placebo Controlled Phase: placebo once daily (QD)
CC-220 0.3mg Every Other Day (QOD)EXPERIMENTALPart 1: CC-220 0.3mg capsules by mouth every other day (QOD)
CC-220 0.3mg Every Day (QD)EXPERIMENTAL* Part 1: CC-220 0.3mg capsules by mouth every day (QD) * ATEP: CC-220 0.3 mg capsules by mouth every day (QD)
CC-220 0.6mg/0.3mg alternating dose QDEXPERIMENTAL* Part 1: CC-220 0.6 mg and 0.3mg capsules PO on alternating days * ATEP:CC-220 0.6 mg and 0.3 mg capsules PO on alternating days
CC-220 0.6mg QDEXPERIMENTALPart 1: CC-220 0.6mg capsules by mouth QD
Placebo QDPLACEBO_COMPARATORPart 1: Identically matching placebo capsules PO QD
Iberdomide, Daratumumab and Dexamethasone (Regimen A)EXPERIMENTALIberdomide dosed according to cohort assignment days 1-21. Dexamethasone 40 mg oral or intravenously (20 mg for participants 70 or older) on days 1,8,15 and 22 Darartumumab and hyalurnonidase-fihj 1,800mg/30,000 units subcutaneously on days 1,8,15,22 (cycles 1,2) or on days 1,15 (cycles 3-6)
Iberdomide, Carfilzomib, Daratumumab and Dexamethasone (Regimen B)EXPERIMENTALIberdomide dosed according to cohort assignment days 1-21. Dexamethasone 40 mg oral or intravenously (20 mg for participants 70 or older) on days 1,8,15 and 22 Darartumumab and hyalurnonidase-fihj 1,800mg/30,000 units subcutaneously on days 1,8,15,22 (cycles 1,2) or on days 1,15 (cycles 3-6) Carfilzomib dosed intravenously dosed according to cohort assignment on days 1, 8, 15 (Consistent with standard practice, the very first dose of carfilzomib (cycle 1 day 1) must be 20 mg/m\^2).
Administration of CC-220 with R-CHOP-21EXPERIMENTALCC-220 to be administered orally in combination with Rituximab, Cyclophosphamide, Doxorubicin, Vincristine and Prednisone (R-CHOP-21) for 6 cycles of treatment
Administration of CC-99282 with R-CHOP-21EXPERIMENTALCC-99282 to be administered orally in combination with Rituximab, Cyclophosphamide, Doxorubicin, Vincristine and Prednisone (R-CHOP-21) for 6 cycles of treatment
Administration of CC-220 with polatuzumab-R-CHPEXPERIMENTALCC-220 to be administered orally in combination with Polatuzumab vedotin, Rituximab, Cyclophosphamide, Doxorubicin, and Prednisone (polatuzumab-R-CHP) for 6 cycles of treatment
Administration of CC-99282 with polatuzumab-R-CHPEXPERIMENTALCC-99282 to be administered orally in combination with Polatuzumab vedotin, Rituximab, Cyclophosphamide, Doxorubicin, and Prednisone (polatuzumab-R-CHP) for 6 cycles of treatment
Group 1: Participants with severe Renal Impairment (RI)EXPERIMENTALSevere Renal Impairment (RI), as defined by an eGFR \< 30 mL/min/1.73 m2 and not requiring dialysis, at screening
Group 2: Participants with kidney failure who are on intermittent hemodialysis (IHD)EXPERIMENTALKidney failure participants on intermittent hemodialysis (IHD)
Group 3: Participants with normal renal functionEXPERIMENTALNormal renal function, as defined by a creatinine clearance (Clcr) \> 90 mL/min estimated using the Cockcroft-Gault (C-G) equation, at screening.
Cohort A: CC-220 Monotherapy - Part 1EXPERIMENTALOral CC-220 at dose specified by cohort dose level from Day 1-21 of each 28-day cycle
Cohort B: CC-220 in combination with Dexamethasone - Part 1EXPERIMENTAL* Oral CC-220 at dose specified by cohort dose level from Day 1-21 of each 28-day cycle. * For subjects ≤ 75 years old, oral DEX 40 mg on Days 1, 8, 15, and 22 of each 28-day cycle. For subjects \>75 years old, DEX will be administered at 20 mg on Days 1, 8,15, and 22 of each 28-day cycle. Subjects who surpass the age of 75 years while on treatment may be switched to the 20 mg QD dosage based on the investigator's best judgment.
Cohort D: CC-220 in combination with Dexamethasone - Part 2EXPERIMENTAL* Oral CC-220 at Recommended Phase 2 dose (RP2D) from Day 1-21 of each 28-day cycle * Oral DEX 40 mg on Days 1, 8, 15, and 22 of each 28-day cycle. For subjects \>75 years old, DEX will be administered at 20 mg on Days 1, 8, 15, and 22 of each 28-day cycle.
Cohort E: CC-220 with DEX and daratumumab (DARA) - Part 1EXPERIMENTAL* Oral CC-220 at dose specified by cohort dose level from Day 1-21 of each 28-day cycle. * Oral DEX for subjects ≤ 75 years old at 40 mg on Days 1, 8, 15, and 22 of each 28-day cycle. For subjects \>75 years old, oral DEX at 20 mg on Days 1, 8, 15, and 22 of each 28-day cycle. * Intravenous DARA at dose 16mg/kg on Days 1, 8, 15, and 22 at cycle 1-2, Days 1, 15 at cycle 3-6, and Day 1 at cycle ≥7 of each 28-day cycle. Once the MTD and/or RP2D is determined in Cohort E (CC-220Dd), subjects will be enrolled at this dose level using SC DARA. * Oral CC-220 at dose specified by cohort dose level from Day 1-21 of each 28-day cycle. * Oral DEX for subjects ≤ 75 years old at 40 mg on Days 1, 8, 15, and 22 of each 28-day cycle. For subjects \>75 years old, oral DEX at 20 mg on Days 1, 8, 15, and 22 of each 28-day cycle. * Subcutaneous DARA at dose 1800 mg over 3 to 5 minutes on Days 1, 8, 15, and 22 at cycle 1-2, Days 1, 15 at cycle 3-6, and Day 1 at cycle ≥7 of each 28-day cycle.
Cohort F: CC-220 with DEX and bortezomib - Part 1EXPERIMENTAL* Oral CC-220 at dose specified by cohort dose level from Day 1-14 of each 21-day cycle. * Oral DEX for subjects ≤ 75 years old at 40 mg on Days 1, 8, and 15 of each 21-day cycle. For subjects \>75 years old, oral DEX at 20 mg on Days 1, 8, and 15 of each 21-day cycle. * Subcutaneous BTZ at dose 1.3 mg/m\^2 on Days 1, 4, 8 and 11 at cycle 1-8, and Days 1, 8 at cycle ≥9 of each 21-day cycle.
Cohort G1-CC-220 in combination with CFZ and DEX -Part 1EXPERIMENTAL* Oral CC-220 at dose specified by cohort dose level from Day 1-21 of each 28-day cycle * Intravenous (IV) CFZ (Carfilzomib)administered at a starting dose of 20 mg/m2 on C1D1; and at a dose specified by cohort dose level thereafter on days 1, 8, 15 of each 28-day cycle * Oral DEX (Dexamethasone) on Days 1, 8, 15, and 22 of each 28-day cycle. For subjects ≤ 75 years old, the DEX dose will be 40 mg. For subjects \> 75 years old, the DEX dose will be 20 mg
Cohort G2 - CC-220 in combination with CFZ and DEX - Part 1EXPERIMENTAL* Oral CC-220 at dose specified by cohort dose level from Day 1-21 of each 28-day cycle * Intravenous (IV) CFZ administered at a starting dose of 20 mg/m2 on C1D1; and at a dose level specified by cohort dose level thereafter Days 1, 2, 8, 9, 15, 16 of each 28-day cycle * Oral DEX on Days 1, 2, 8, 9, 15, 16, 22, 23 of each 28-day cycle. The DEX dose will be 20 mg
CohortI-CC-220 in combination with DEX in post BCMA RRMM-Part2EXPERIMENTAL* Oral CC-220 at Recommended Phase 2 dose (RP2D) from Day 1-21 of each 28-day cycle * Oral DEX 40 mg on Days 1, 8, 15, and 22 of each 28-day cycle. For subjects \>75 years old, oral DEX will be administered at 20 mg on Days 1, 8, 15, and 22 of each 28-day cycle.
CohortJ1:CC-220 in combination with DEX and BTZ in NDMM-Part 2EXPERIMENTAL* Oral CC-220 at Recommended Phase 2 Dose from Day 1-14 of each 21-day cycle (Cycle 1 to 8) and from Day 1-21 of each 28-day cycle (Cycle 9 and above). * Oral DEX at Cycles 1 to 8, 20 mg (≤ 75 years old) or 10 mg (\> 75 years old) on Days 1, 2, 4, 5, 8, 9, 11 and 12 of each 21-day cycle and Cycles ≥ 9, 40 mg (≤ 75 years old) or 20 mg (\> 75 years old) on Days 1, 8, 15, and 22 of each 28-day cycle. * Subcutaneous BTZ at dose 1.3 mg/m2 on Days 1, 4, 8 and 11 at Cycle 1-8 of each 21-day cycle.
CohortJ2:CC-220 in combination with DEX and BTZ in NDMM-Part 2EXPERIMENTAL* Oral CC-220 at Recommended Phase 2 Dose from Day 1-14 of each 21-day cycle. * Oral DEX at 20 mg/day (≤ 75 years old) or 10 mg/day (\> 75 years old) for Cycles 1 to 6 on Days 1, 2, 4, 5, 8, 9, 11 and 12 of a 21-day cycle. * Subcutaneous BTZ at dose 1.3 mg/m2 on Days 1, 4, 8 and 11 at Cycle 1-6 of each 21-day cycle.
Cohort K: CC-220 with DEX and DARA in NDMM and not autologous stem cell transplant eligible - Part 2EXPERIMENTALOral CC-220 at 1.0mg, 1.3mg or 1.6mg from Days 1-21 of each 28-day cycle. Oral DEX 40 mg on Days 1, 8, 15, and 22 of each 28-day cycle. For subjects \>75 years old, oral DEX will be administered at 20 mg on Days 1, 8, 15, and 22 of each 28-day cycle. Subcutaneous DARA at 1800 mg over 3 to 5minutes on Days 1, 8, 15, and 22 at cycle 1-2 of a 28-day cycle, Days1, and 15 at cycle 3-6 of a 28-day cycle, and Day1 at cycle ≥7 of each 28-day cycle.

Interventions

NameTypeDescription
IberdomideDRUGSpecified dose on specified days
LenalidomideDRUGSpecified dose on specified days
DexamethasoneDRUGOral dexamethasone 40mg on days 1, 8, 15, 22 of a 28-day cycle
DaratumumabDRUGSubcutaneous Daratumumab 1800mg on Days 1, 8, 15 and 22 for Cycles 1 to 2, on Days 1 and 15 for Cycles 3 to 6, and then on Day 1 for Cycle 7+ of a 28-day cycle
BortezomibDRUGSubcutaneous Bortezomib 1.3 mg/m2 on Days 1, 4, 8 and 11 of each 21-day cycle for a total of 8 cycles.
CarfilzomibDRUGParticipants will receive Carfilzomib (K) therapy intravenously (IV) as follows: * Cycle 1: 20 mg/m2 per dose on Day 1; 56 mg/m2 per dose on Days 8 and 15 * Cycles 2 to 8: 56 mg/m2 per dose on Days 1, 8, and 15.
AcetaminophenDRUGParticipants will receive Acetaminophen orally (PO) prior to Iber-KDd therapy as follows: * Cycles 1 and 2: 650 mg/dose on Days 1, 8, 15, and 22 * Cycles 3 through 6: 650 mg/dose on Days 1 and 15 * Cycles 7 and 8: 650 mg/dose on Day 1.
DiphenhydramineDRUGParticipants will receive Diphenhydramine either orally (PO) or intravenously (IV) prior to Iber-KDd therapy as follows: * Cycles 1 and 2: 25 mg/dose on Days 1, 8, 15, and 22 * Cycles 3 through 6: 25 mg/dose on Days 1 and 15 * Cycles 7 and 8: 25 mg/dose on Day 1.
MontelukastDRUGParticipants will receive Montelukast orally (PO) prior to Iber-KDd as follows: * Cycle 1 only: 10 mg/dose, Days 1, 8, 15, and 22, to be administered prior to the first 4 doses of Daratumumab (D).
Daratumumab/rHuPH20 Co-formulationDRUGDaratumumab/rHuPH20 will be dosed as follows: * Daratumumab/rHuPH20 1800 mg SC days 1, 8, 15, 22 (28-day cycle; cycles 1-2) * Daratumumab/rHuPH20 1800 mg SC days 1, 15 (28-day cycle; cycles 3-6) * Daratumumab/rHuPH20 1800 mg SC day 1 (28-day cycle; cycles 7-26)
Iberdomide HydrochlorideDRUGGiven PO
Quality-of-Life AssessmentOTHERAncillary studies
CC-220DRUGCC-220
PlaceboOTHERPlacebo QD PO
RituximabDRUGRituximab 375 mg/m2 on Day 1 by intravenous (IV) infusion or 1400 mg (SC) subcutaneous (from Cycle 2) of a 21-day treatment cycle for up to a total of 6 cycles
CyclophosphamideDRUGCyclophosphamide 750mg/m2 on Day 1 by IV infusion of a 21-day treatment cycle for up to a total of 6 cycles
DoxorubicinDRUGDoxorubicin 50 mg/m2 IV infusion on Day 1 of a 21-day treatment cycle for up to a total of 6 cycles
VincristineDRUGVincristine 1.4 mg/m2 (maximum of 2.0 mg total) IV intravenous on Day 1 of a 21-day treatment cycle for up to a total of 6 cycles
PrednisoneDRUGPrednisone 100 mg PO on Days 1 through 5 of each 21-day treatment or 100mg IV on Day 1 is also acceptable for up to a total of 6 cycles
CC-99282DRUGCC-99282 by mouth at the assigned dose starting on Day 1 for 7 consecutive days of the 21-day treatment cycle for 6 cycles of treatment.
Polatuzumab vedotinDRUGPolatuzumab vedotin 1.8 mg/kg on Day 1 by intravenous (IV) infusion of a 21-day treatment cycle for up to a total of 6 cycles
Daratumumab - 16mg/kgDRUGDaratumumab (DARA) 16mg/kg by intravenous infusion on Days 1, 8, 15, and 22 at cycle 1-2, Days 1, 15 at cycle 3-6, and Day 1 at cycle ≥7 of each 28-day cycle.
Bortezomib (BTZ)DRUGBortezomib 1.3 mg/m\^2 on Days 1, 4, 8 and 11 at cycle 1-8, and Days 1, 8 at cycle ≥9 of each 21-day cycle.
Daratumumab- 1800mgDRUGDaratumumab (DARA) 1800 mg by subcutaneous injection on Days 1, 8, 15, and 22 at cycle 1-2, Days 1, 15 at cycle 3-6, and Day 1 at cycle ≥7 of each 28-day cycle.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites269

Inclusion Criteria * Confirmed diagnosis of symptomatic multiple myeloma (MM). * Eastern Cooperative Oncology Group performance status (ECOG) score of 0, 1, or 2. * Received 3 to 6 cycles of an induction therapy that includes a proteasome inhibitor (PI) and immunomodulatory (IMiD) \[eg, bortezomib ...

Countries:United StatesArgentinaAustraliaAustriaBelgiumBrazilCanadaChileChinaColombiaCzechiaDenmarkFinlandFranceGermanyGreeceHong KongHungaryIndiaIsraelItalyJapanMexicoNetherlandsPolandPortugalRomaniaSingaporeSouth KoreaSpainSwedenTaiwanTurkey (Türkiye)United KingdomIrelandNorwaySwitzerlandRussiaSerbia
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Competitive Landscape -Multiple Myeloma 340 trials

Recent Changes (Last 90 Days)

LOWSep 17, 2026NCT05827016lastUpdatePostDate: changed
LOWSep 17, 2026NCT05827016lastUpdatePostDate: changed
MEDIUMSep 14, 2026NCT05434689primaryCompletionDate: changed

Frequently asked questions about Iberdomide

What is Iberdomide?

Iberdomide is an investigational small molecule being developed by Bristol-Myers Squibb Company (ticker BMY). It is being studied in oncology and immunology indications, including multiple myeloma, refractory multiple myeloma, B-cell lymphoma, smoldering plasma cell myeloma, renal insufficiency, and systemic lupus erythematosus. It has not been approved and remains in clinical development.

What is Iberdomide used for?

Iberdomide is being studied for multiple myeloma, including newly diagnosed, relapsed, refractory, and smoldering plasma cell myeloma, as well as B-cell lymphoma, renal insufficiency, and systemic lupus erythematosus. It is investigational and is not approved for any indication. Clinical trials are evaluating it both as maintenance therapy and in combination regimens.

What does Iberdomide target?

Iberdomide targets CRBN, DDB1, CUL4A, and RBX1. It is a modulator of the cereblon E3 ubiquitin ligase complex, which includes CRBN, DDB1, CUL4A, and RBX1. This target class is described as a modulator, distinguishing it from agents that inhibit or degrade targets directly.

Who makes Iberdomide?

Iberdomide is developed by Bristol-Myers Squibb Company, which trades under the ticker BMY. Bristol-Myers Squibb is the sponsor of the clinical trials evaluating Iberdomide across multiple myeloma, B-cell lymphoma, and systemic lupus erythematosus. The drug is also known by the code CC-220.

What phase is Iberdomide in?

Iberdomide is in Phase 1 development according to its overall program status, though individual trials span Phase 1 through Phase 3. It is investigational and has not been approved by the FDA. Five trials have been conducted, with three currently active and two completed, enrolling a total of 2,775 participants.

What clinical trials is Iberdomide in?

Iberdomide trials include NCT06107738, a Phase 2 study of Iberdomide and daratumumab maintenance after autologous stem cell transplant; NCT05896228, a Phase 2 study of Iberdomide, daratumumab, carfilzomib, and dexamethasone in relapsed or refractory multiple myeloma; NCT05827016, a Phase 3 comparison of Iberdomide versus lenalidomide maintenance; and NCT05434689, a Phase 1 combination study.

Is Iberdomide the same as CC-220?

Yes, Iberdomide is also known as CC-220, CC-220 0.03 mg, and Iberdomide Hydrochloride. These names refer to the same investigational compound developed by Bristol-Myers Squibb. Searches for CC-220 lead to the same drug asset as searches for Iberdomide.