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NINLARO (ixazomib) is an antineoplastic agent. Ixazomib citrate, a prodrug, rapidly hydrolyzes under physiological conditions to its biologically active form, ixazomib. The chemical name of ixazomib citrate is 1,3,2-dioxaborolane-4,4-diacetic acid, 2-[(1R)-1-[[2-[(2,5dichlorobenzoyl)amino]acetyl]amino]-3-methylbutyl]-5-oxo-and the structural formula is:
 |
The molecular formula for ixazomib citrate is C20H23BCl2N2O9 and its molecular weight is 517.12. Ixazomib citrate has one chiral center and is the R-stereoisomer. The solubility of ixazomib citrate in 0.1N HCl (pH 1.2) at 37°C is 0.61 mg/mL (reported as ixazomib). The solubility increases as the pH increases.
NINLARO (ixazomib) capsules for oral use contain 4, 3 or 2.3 mg of ixazomib equivalent to 5.7, 4.3 or 3.3 mg of ixazomib citrate, respectively. Inactive ingredients include microcrystalline cellulose, magnesium stearate, and talc. Capsule shells contain gelatin and titanium dioxide. The 4 mg capsule shell contains red and yellow iron oxide, the 3 mg capsule shell contains black iron oxide and the 2.3 mg capsule shell contains red iron oxide. The printing ink contains shellac, propylene glycol, potassium hydroxide, and black iron oxide.
NINLARO is indicated in combination with lenalidomide and dexamethasone for the treatment of patients with multiple myeloma who have received at least one prior therapy.
NINLARO is not recommended for use in the maintenance setting or in newly diagnosed multiple myeloma in combination with lenalidomide and dexamethasone outside of controlled clinical trials [see WARNINGS AND PRECAUTIONS and Clinical Studies].
The recommended starting dose of NINLARO is 4 mg administered orally once a week on Days 1, 8, and 15 of a 28-day treatment cycle.
The recommended starting dose of lenalidomide is 25 mg administered daily on Days 1 through 21 of a 28-day treatment cycle.
The recommended starting dose of dexamethasone is 40 mg administered on Days 1, 8, 15, and 22 of a 28-day treatment cycle.
Table 1: Dosing Schedule for NINLARO taken with Lenalidomide and Dexamethasone
Take medicine
| 28-Day Cycle (a 4-week cycle) | ||||||||
| Week 1 | Week 2 | Week 3 | Week 4 | |||||
| Day 1 | Days 2-7 | Day 8 | Days 9-14 | Day 15 | Days 16-21 | Day 22 | Days 23-28 | |
| NINLARO | |
|
|
|||||
| Lenalidomide | |
Daily |
|
Daily |
|
Daily |
||
| Dexamethasone | |
|
|
|
||||
For additional information regarding lenalidomide and dexamethasone, refer to their prescribing information.
NINLARO should be taken once a week on the same day and at approximately the same time for the first three weeks of a four week cycle. The importance of carefully following all dosage instructions should be discussed with patients starting treatment. Instruct patients to take the recommended dosage as directed, because overdosage has led to deaths [see OVERDOSAGE].
NINLARO should be taken at least one hour before or at least two hours after food [see CLINICAL PHARMACOLOGY]. The whole capsule should be swallowed with water. The capsule should not be crushed, chewed or opened [see HOW SUPPLIED/Storage And Handling].
If a NINLARO dose is delayed or missed, the dose should be taken only if the next scheduled dose is ≥ 72 hours away. A missed dose should not be taken within 72 hours of the next scheduled dose. A double dose should not be taken to make up for the missed dose.
If vomiting occurs after taking a dose, the patient should not repeat the dose. The patient should resume dosing at the time of the next scheduled dose.
Prior to initiating a new cycle of therapy:
Treatment should be continued until disease progression or unacceptable toxicity.
Consider antiviral prophylaxis in patients being treated with NINLARO to decrease the risk of herpes zoster reactivation [see ADVERSE REACTIONS].
The NINLARO dose reduction steps are presented in Table 2 and the dosage modification guidelines are provided in Table 3.
Table 2: NINLARO Dose Reductions due to Adverse Reactions
| Recommended starting dose* | First reduction to | Second reduction to | Discontinue |
| 4 mg | 3 mg | 2.3 mg | |
| *Recommended starting dose of 3 mg in patients with moderate or severe hepatic impairment, severe renal impairment or end-stage renal disease requiring dialysis [see DOSAGE AND ADMINISTRATION]. | |||
An alternating dose modification approach is recommended for NINLARO and lenalidomide for thrombocytopenia, neutropenia, and rash as described in Table 3. Refer to the lenalidomide prescribing information if dose reduction is needed for lenalidomide.
Table 3: Dosage Modifications Guidelines for NINLARO in Combination with Lenalidomide and Dexamethasone
| Hematological Toxicities | Recommended Actions |
| Thrombocytopenia (Platelet Count) | |
| Platelet count less than 30,000/mm³ |
|
| Neutropenia (Absolute Neutrophil Count) | |
| Absolute neutrophil count less than 500/mm³ |
|
| Non-Hematological Toxicities | Recommended Actions |
| Rash | |
| Grade†, 2 or 3 |
|
| Grade 4 | Discontinue treatment regimen. |
| Peripheral Neuropathy | |
| Grade 1 Peripheral Neuropathy with Pain or Grade 2 Peripheral Neuropathy |
|
| Grade 2 Peripheral Neuropathy with Pain or Grade 3 Peripheral Neuropathy |
|
| Grade 4 Peripheral Neuropathy | Discontinue treatment regimen. |
| Other Non-Hematological Toxicities | |
| Other Grade 3 or 4 Non-Hematological Toxicities |
|
| *For additional occurrences, alternate dose modification of lenalidomide and NINLARO †Grading based on National Cancer Institute Common Terminology Criteria (CTCAE) Version 4.03 |
|
Reduce the starting dose of NINLARO to 3 mg in patients with moderate (total bilirubin greater than 1.5-3 x ULN) or severe (total bilirubin greater than 3 x ULN) hepatic impairment [see Use In Specific Populations and CLINICAL PHARMACOLOGY].
Reduce the starting dose of NINLARO to 3 mg in patients with severe renal impairment (creatinine clearance less than 30 mL/min) or end-stage renal disease (ESRD) requiring dialysis. NINLARO is not dialyzable and therefore can be administered without regard to the timing of dialysis [see Use In Specific Populations and CLINICAL PHARMACOLOGY].
Refer to the lenalidomide prescribing information for dosing recommendations in patients with renal impairment.
NINLARO is available in the following capsules:
NINLARO is supplied as follows:
| Strength per Capsule | Capsule Description | Outer Carton | Blister Pack | NDC |
| 4 mg | Light orange, size 3, imprinted with “Takeda” on the cap and “4 mg” on the body in black ink. | Three 4 mg single blister packs in a carton | Each blister has one 4 mg capsule | Outer carton NDC 63020-400-02 Blister pack NDC 63020-400-01 |
| 3 mg | Light grey, size 4, imprinted with “Takeda” on the cap and “3 mg” on the body in black ink. | Three 3 mg single blister packs in a carton | Each blister has one 3 mg capsule | Outer carton NDC 63020-390-02 Blister pack NDC 63020-390-01 |
| 2.3 mg | Light pink, size 4, imprinted with “Takeda” on the cap and “2.3 mg” on the body in black ink. | Three 2.3 mg single blister packs in a carton | Each blister has one 2.3 mg capsule | Outer carton NDC 63020-230-02 Blister pack NDC 63020-230-01 |
Capsules are individually packaged in a PVC-Aluminum/Aluminum blister.
Store NINLARO at room temperature. Do not store above 30°C (86°F). Do not freeze.
Store capsules in original packaging until immediately prior to use.
NINLARO is a hazardous drug. Follow applicable special handling and disposal procedures1.
Do not open or crush capsules. Avoid direct contact with the capsule contents. In case of capsule breakage, avoid direct contact of capsule contents with the skin or eyes. If contact occurs with the skin, wash thoroughly with soap and water. If contact occurs with the eyes, flush thoroughly with water.
Any unused medicinal product or waste material should be disposed in accordance with local requirements.
REFERENCES
1. OSHA Hazardous Drugs. OSHA. https://www.osha.gov/SLTC/hazardousdrugs/index.html
Distributed by: Takeda Pharmaceuticals America, Inc., Lexington, MA 02421. Revised: Jul 2024
The following adverse reactions are described in detail in other sections of the prescribing information:
Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.
The safety population from the randomized, double-blind, placebo-controlled clinical study included 720 patients with relapsed and/or refractory multiple myeloma, who received NINLARO in combination with lenalidomide and dexamethasone (NINLARO regimen; N=361) or placebo in combination with lenalidomide and dexamethasone (placebo regimen; N=359).
The most frequently reported adverse reactions (≥ 20% with a difference of ≥5% compared to placebo) in the NINLARO regimen were thrombocytopenia, neutropenia, diarrhea, constipation, peripheral neuropathy, nausea, peripheral edema, rash, vomiting, and bronchitis. Serious adverse reactions reported in ≥ 2% of patients in the NINLARO regimen included diarrhea (3%), thrombocytopenia (2%) and bronchitis (2%). One or more of the three drugs was permanently discontinued in 4% of patients reporting peripheral neuropathy, 3% of patients reporting diarrhea and 2% of patients reporting thrombocytopenia. Permanent discontinuation of NINLARO due to an adverse reaction occurred in 10% of patients.
Table 4 summarizes the non-hematologic adverse reactions occurring in at least 5% of patients with at least a 5% difference between the NINLARO regimen and the placebo regimen.
Table 4: Non-Hematologic Adverse Reactions Occurring in ≥ 5% of Patients with a ≥ 5% Difference Between the NINLARO Regimen and the Placebo Regimen (All Grades, Grade 3 and Grade 4)
| System Organ Class / Preferred Term | NINLARO + Lenalidomide and Dexamethasone N=361 % |
Placebo + Lenalidomide and Dexamethasone N=359 % |
||||
| All Grades | Grade 3 | Grade 4 | All Grades | Grade 3 | Grade 4 | |
| Gastrointestinal disorders | ||||||
| Diarrhea | 52 | 10 | 0 | 43 | 3 | 0 |
| Constipation | 35 | < 1 | 0 | 28 | < 1 | 0 |
| Nausea | 32 | 2 | 0 | 23 | 0 | 0 |
| Vomiting | 26 | 1 | 0 | 13 | <1 | 0 |
| Nervous system disorders | ||||||
| Peripheral neuropathies† | 32 | 2 | 0 | 24 | 2 | 0 |
| Musculoskeletal and connective tissue disorders | ||||||
| Back pain* | 27 | <1 | 0 | 24 | 3 | 0 |
| Infections and infestations | ||||||
| Upper respiratory tract infection* | 27 | 1 | 0 | 23 | 1 | 0 |
| Bronchitis | 22 | 2 | 0 | 17 | 2 | <1 |
| Skin and subcutaneous tissue disorders | ||||||
| Rash† | 27 | 3 | 0 | 16 | 2 | 0 |
| General disorders and administration site conditions | ||||||
| Edema peripheral | 27 | 2 | 0 | 21 | 1 | 0 |
| Note: Adverse reactions included as preferred terms are based on MedDRA version 23.0. *At the time of the final analysis, these adverse reactions no longer met the criterion for a ≥ 5% difference between the NINLARO regimen and the placebo regimen. †Represents a pooling of preferred terms |
||||||
Table 5 represents pooled information from adverse event and laboratory data.
Table 5: Thrombocytopenia and Neutropenia
| NINLARO + Lenalidomide and Dexamethasone N=361% |
Placebo + Lenalidomide and Dexamethasone N=359% |
|||
| Any Grade | Grade 3-4 | Any Grade | Grade 3-4 | |
| Thrombocytopenia | 85 | 30 | 67 | 14 |
| Neutropenia | 74 | 34 | 70 | 37 |
Herpes zoster was reported in 6% of patients in the NINLARO regimen and 3% of patients in the placebo regimen. Antiviral prophylaxis was allowed at the healthcare provider’s discretion. Patients treated in the NINLARO regimen who received antiviral prophylaxis had a lower incidence (1%) of herpes zoster infection compared to patients who did not receive prophylaxis (10%).
Eye disorders were reported with many different preferred terms but in aggregate, the frequency was 38% in patients in the NINLARO regimen. The most common adverse reactions of the eyes were cataract (15%), conjunctivitis (9%), blurred vision (7%), and dry eye (6%).
The following serious adverse reactions have each been reported at a frequency of < 1% in patients treated with NINLARO: acute febrile neutrophilic dermatosis (Sweet’s syndrome), Stevens-Johnson syndrome, transverse myelitis, posterior reversible encephalopathy syndrome, tumor lysis syndrome, and thrombotic thrombocytopenic purpura.
The following adverse reactions have been identified during post-approval use of NINLARO. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.
Immune system disorders: Angioedema
Skin and subcutaneous tissue disorders: Toxic epidermal necrolysis
Avoid concomitant administration of NINLARO with strong CYP3A inducers (such as rifampin, phenytoin, carbamazepine, and St. John’s Wort) [see CLINICAL PHARMACOLOGY].
Included as part of the PRECAUTIONS section.
Thrombocytopenia has been reported with NINLARO with platelet nadirs typically occurring between Days 14-21 of each 28-day cycle and recovery to baseline by the start of the next cycle [see ADVERSE REACTIONS]. Grade 3 thrombocytopenia was reported in 17% of patients in the NINLARO regimen and Grade 4 thrombocytopenia was reported in 13% in the NINLARO regimen. The rate of platelet transfusions was 10% in the NINLARO regimen and 7% in the placebo regimen.
Monitor platelet counts at least monthly during treatment with NINLARO. Consider more frequent monitoring during the first three cycles. Manage thrombocytopenia with dose modifications [see DOSAGE AND ADMINISTRATION] and platelet transfusions as per standard medical guidelines.
Diarrhea, constipation, nausea, and vomiting have been reported with NINLARO, occasionally requiring use of antidiarrheal and antiemetic medications, and supportive care. Diarrhea was reported in 52% of patients in the NINLARO regimen and 43% in the placebo regimen, constipation in 35% and 28%, respectively, nausea in 32% and 23%, respectively, and vomiting in 26% and 13%, respectively. Diarrhea resulted in discontinuation of one or more of the three drugs in 3% of patients in the NINLARO regimen and 2% of patients in the placebo regimen [see ADVERSE REACTIONS]. Adjust dosing for Grade 3 or 4 symptoms [see DOSAGE AND ADMINISTRATION].
The majority of peripheral neuropathy adverse reactions were Grade 1 (18% in the NINLARO regimen and 16% in the placebo regimen) and Grade 2 (11% in the NINLARO regimen and 6% in the placebo regimen) [see ADVERSE REACTIONS]. Grade 3 adverse reactions of peripheral neuropathy were reported at 2% in both regimens.
The most commonly reported reaction was peripheral sensory neuropathy (24% and 17% in the NINLARO and placebo regimen, respectively). Peripheral motor neuropathy was not commonly reported in either regimen (< 1%). Peripheral neuropathy resulted in discontinuation of one or more of the three drugs in 4% of patients in the NINLARO regimen and <1% of patients in the placebo regimen. Patients should be monitored for symptoms of neuropathy. Patients experiencing new or worsening peripheral neuropathy may require dose modification [see DOSAGE AND ADMINISTRATION].
Peripheral edema was reported in 27% and 21% of patients in the NINLARO and placebo regimens, respectively. The majority of peripheral edema adverse reactions were Grade 1 (17% in the NINLARO regimen and 14% in the placebo regimen) and Grade 2 (7% in the NINLARO regimen and 6% in the placebo regimen).
Grade 3 peripheral edema was reported in 2% and 1% of patients in the NINLARO and placebo regimens, respectively [see ADVERSE REACTIONS]. Peripheral edema resulted in discontinuation of one or more of the three drugs in <1% of patients in both regimens. Evaluate for underlying causes and provide supportive care, as necessary. Adjust dosing of dexamethasone per its prescribing information or NINLARO for Grade 3 or 4 symptoms [see DOSAGE AND ADMINISTRATION].
Rash was reported in 27% of patients in the NINLARO regimen and 16% of patients in the placebo regimen. The majority of the rash adverse reactions were Grade 1 (15% in the NINLARO regimen and 9% in the placebo regimen) or Grade 2 (9% in the NINLARO regimen and 4% in the placebo regimen) [see ADVERSE REACTIONS]. Grade 3 rash was reported in 3% of patients in the NINLARO regimen and 2% of patients in the placebo regimen. Serious adverse reactions of rash were reported in <1% of patients in the NINLARO regimen. The most common type of rash reported in both regimens included maculo-papular and macular rash. Rash resulted in discontinuation of one or more of the three drugs in < 1% of patients in both regimens. Manage rash with supportive care or with dose modification if Grade 2 or higher [see DOSAGE AND ADMINISTRATION].
Stevens-Johnson syndrome and toxic epidermal necrolysis, including fatal cases, have been reported with NINLARO [see ADVERSE REACTIONS]. If Stevens-Johnson syndrome or toxic epidermal necrolysis occurs, discontinue NINLARO and manage as clinically indicated.
Cases, sometimes fatal, of thrombotic microangiopathy, including thrombotic thrombocytopenic purpura/hemolytic uremic syndrome (TTP/HUS), have been reported in patients who received NINLARO [see ADVERSE REACTIONS]. Monitor for signs and symptoms of TTP/HUS. If the diagnosis is suspected, stop NINLARO and evaluate. If the diagnosis of TTP/HUS is excluded, consider restarting NINLARO. The safety of reinitiating NINLARO therapy in patients previously experiencing TTP/HUS is not known.
Drug-induced liver injury, hepatocellular injury, hepatic steatosis, hepatitis cholestatic and hepatotoxicity have each been reported in < 1% of patients treated with NINLARO [see ADVERSE REACTIONS]. Hepatotoxicity has been reported (10% in the NINLARO regimen and 9% in the placebo regimen). Monitor hepatic enzymes regularly and adjust dosing for Grade 3 or 4 symptoms [see DOSAGE AND ADMINISTRATION].
NINLARO can cause fetal harm when administered to a pregnant woman based on the mechanism of action and findings in animal studies. Ixazomib caused embryo-fetal toxicity in pregnant rats and rabbits at doses resulting in exposures that were slightly higher than those observed in patients receiving the recommended dose. Advise pregnant women of the potential risk to a fetus. Advise females of reproductive potential to use effective non-hormonal contraception during treatment with NINLARO and for 90 days following the last dose. Advise males with female partners of reproductive potential to use effective contraception during treatment with NINLARO and for 90 days following the last dose [see DRUG INTERACTIONS and Use In Specific Populations].
In two prospective randomized clinical trials in multiple myeloma in the maintenance setting, treatment with NINLARO resulted in increased deaths. Treatment of patients with NINLARO for multiple myeloma in the maintenance setting is not recommended outside of controlled trials [see Clinical Studies].
Advise the patient to read the FDA-approved patient labeling (PATIENT INFORMATION).
Advise patients that they may experience low platelet counts (thrombocytopenia). Signs of thrombocytopenia may include bleeding and easy bruising. [see WARNINGS AND PRECAUTIONS].
Advise patients they may experience diarrhea, constipation, nausea and vomiting and to contact their healthcare providers if these adverse reactions persist. [see WARNINGS AND PRECAUTIONS].
Advise patients to contact their healthcare providers if they experience new or worsening symptoms of peripheral neuropathy such as tingling, numbness, pain, a burning feeling in the feet or hands, or weakness in the arms or legs. [see WARNINGS AND PRECAUTIONS].
Advise patients to contact their healthcare providers if they experience unusual swelling of their extremities or weight gain due to swelling [see WARNINGS AND PRECAUTIONS].
Advise patients to contact their healthcare providers immediately if they experience new or worsening rash [see WARNINGS AND PRECAUTIONS].
Advise patients to seek immediate medical attention if any signs or symptoms of thrombotic microangiopathy occur [see WARNINGS AND PRECAUTIONS].
Advise patients to contact their healthcare providers if they experience jaundice or right upper quadrant abdominal pain [see WARNINGS AND PRECAUTIONS].
Advise patients to contact their healthcare providers if they experience signs and symptoms of acute febrile neutrophilic dermatosis (Sweet’s syndrome), Stevens-Johnson syndrome, transverse myelitis, posterior reversible encephalopathy syndrome, tumor lysis syndrome, herpes zoster, cataracts, dry eyes, blurred vision, conjunctivitis and thrombotic thrombocytopenic purpura [see ADVERSE REACTIONS].
Advise pregnant women and females of reproductive potential of the potential risk to a fetus. Advise females of reproductive potential to inform their healthcare provider of a known or suspected pregnancy [see WARNINGS AND PRECAUTIONS and Use In Specific Populations].
Advise females of reproductive potential to use effective contraception during treatment with NINLARO and for 90 days following the last dose. Advise women using hormonal contraceptives to also use a barrier method of contraception [see Use In Specific Populations].
Advise males with female partners of reproductive potential to use effective contraception during treatment with NINLARO and for 90 days following the last dose [see Use In Specific Populations].
Advise women not to breastfeed during treatment with NINLARO and for 90 days after the last dose [see Use In Specific Populations].
Advise patients to speak with their healthcare providers about any other medication they are currently taking and before starting any new medications.
Ixazomib was not mutagenic in a bacterial reverse mutation assay (Ames assay). Ixazomib was considered positive in an in vitro clastogenicity test in human peripheral blood lymphocytes. However, in vivo, ixazomib was not clastogenic in a bone marrow micronucleus assay in mice and was negative in an in vivo comet assay in mice, as assessed in the stomach and liver. No carcinogenicity studies have been performed with ixazomib.
Developmental toxicity studies in rats and rabbits did not show direct embryo-fetal toxicity below maternally toxic doses of ixazomib. Studies of fertility and early embryonic development and preand postnatal toxicology were not conducted with ixazomib, but evaluation of reproductive tissues was conducted in the general toxicity studies. There were no effects due to ixazomib treatment on male or female reproductive organs in studies up to 6-months duration in rats and up to 9-months duration in dogs.
Based on its mechanism of action [see CLINICAL PHARMACOLOGY] and data from animal reproduction studies, NINLARO can cause fetal harm when administered to a pregnant woman. There are no available data on NINLARO use in pregnant women to evaluate drug-associated risk. Ixazomib caused embryo-fetal toxicity in pregnant rats and rabbits at doses resulting in exposures that were slightly higher than those observed in patients receiving the recommended dose (see Data). Advise pregnant women of the potential risk to a fetus.
In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2-4% and 15-20%, respectively.
Animal Data
In an embryo-fetal development study in pregnant rabbits there were increases in fetal skeletal variations/abnormalities (fused caudal vertebrae, number of lumbar vertebrae, and full supernumerary ribs) at doses that were also maternally toxic (≥ 0.3 mg/kg). Exposures in the rabbit at 0.3 mg/kg were 1.9 times the clinical time averaged exposures at the recommended dose of 4 mg. In a rat dose rangefinding embryo-fetal development study, at doses that were maternally toxic, there were decreases in fetal weights, a trend towards decreased fetal viability, and increased post-implantation losses at 0.6 mg/kg. Exposures in rats at the dose of 0.6 mg/kg was 2.5 times the clinical time averaged exposures at the recommended dose of 4 mg.
There are no data on the presence of ixazomib or its metabolites in human milk, the effects of the drug on the breast fed infant, or the effects of the drug on milk production. Because of the potential for serious adverse reactions from NINLARO in a breastfed infant, advise women not to breastfeed during treatment with NINLARO and for 90 days after the last dose.
NINLARO can cause fetal harm when administered to pregnant women [see Use In Specific Populations].
Verify pregnancy status in females of reproductive potential prior to initiating NINLARO.
Females
Advise females of reproductive potential to use effective non-hormonal contraception during treatment with NINLARO and for 90 days after the last dose. Dexamethasone is known to be a weak to moderate inducer of CYP3A4 as well as other enzymes and transporters. Because NINLARO is administered with dexamethasone, the risk for reduced efficacy of contraceptives needs to be considered [see DRUG INTERACTIONS].
Males
Advise males with female partners of reproductive potential to use effective contraception during treatment with NINLARO and for 90 days after the last dose.
Safety and effectiveness of NINLARO have not been established in pediatric patients.
Of the total number of subjects in clinical studies of NINLARO, 55% were 65 and over, while 17% were 75 and over. No overall differences in safety or effectiveness were observed between these subjects and younger subjects, and other reported clinical experience has not identified differences in responses between the elderly and younger patients, but greater sensitivity of some older individuals cannot be ruled out.
In patients with moderate or severe hepatic impairment, the mean AUC increased by 20% when compared to patients with normal hepatic function. Reduce the starting dose of NINLARO in patients with moderate or severe hepatic impairment [see DOSAGE AND ADMINISTRATION, CLINICAL PHARMACOLOGY].
In patients with severe renal impairment or ESRD requiring dialysis, the mean AUC increased by 39% when compared to patients with normal renal function. Reduce the starting dose of NINLARO in patients with severe renal impairment or ESRD requiring dialysis. NINLARO is not dialyzable and therefore can be administered without regard to the timing of dialysis [see DOSAGE AND ADMINISTRATION, CLINICAL PHARMACOLOGY].
Overdosage, including fatal overdosage, has been reported in patients taking NINLARO. Manifestations of overdosage include adverse reactions reported at the recommended dosage [see DOSAGE AND ADMINISTRATION, ADVERSE REACTIONS]. Serious adverse reactions reported with overdosage include severe nausea, vomiting, diarrhea, aspiration pneumonia, multiple organ failure and death.
In the event of an overdosage, monitor for adverse reactions and provide appropriate supportive care. NINLARO is not dialyzable.
None.
Ixazomib is a reversible proteasome inhibitor. Ixazomib preferentially binds and inhibits the chymotrypsin-like activity of the beta 5 subunit of the 20S proteasome.
Ixazomib induced apoptosis of multiple myeloma cell lines in vitro. Ixazomib demonstrated in vitro cytotoxicity against myeloma cells from patients who had relapsed after multiple prior therapies, including bortezomib, lenalidomide, and dexamethasone. The combination of ixazomib and lenalidomide demonstrated synergistic cytotoxic effects in multiple myeloma cell lines. In vivo, ixazomib demonstrated antitumor activity in a mouse multiple myeloma tumor xenograft model.
NINLARO did not prolong the QTc interval at clinically relevant exposures based on pharmacokinetic-pharmacodynamic analysis of data from 245 patients.
After oral administration, the median time to achieve peak ixazomib plasma concentrations was one hour. The mean absolute oral bioavailability was 58%, based on population PK analysis. Ixazomib AUC increases in a dose proportional manner over a dose range of 0.2 to 10.6 mg.
A food effect study conducted in patients with a single 4 mg dose of ixazomib showed that a high-fat meal decreased ixazomib AUC by 28% and Cmax by 69% [see DOSAGE AND ADMINISTRATION].
Ixazomib is 99% bound to plasma proteins and distributes into red blood cells with a blood-to-plasma ratio of 10. The steady-state volume of distribution is 543 L.
Based on a population PK analysis, systemic clearance was approximately 1.9 L/hr with interindividual variability of 44%. The terminal half-life (t½) of ixazomib was 9.5 days. Following weekly oral dosing, the accumulation ratio was determined to be 2-fold.
Metabolism
After oral administration of a radiolabeled dose, ixazomib represented 70% of total drug-related material in plasma. Metabolism by multiple CYP enzymes and non-CYP proteins is expected to be the major clearance mechanism for ixazomib. At clinically relevant ixazomib concentrations, in vitro studies using human cDNA-expressed cytochrome P450 isozymes showed that no specific CYP isozyme predominantly contributes to ixazomib metabolism. At higher than clinical concentrations, ixazomib was metabolized by multiple CYP isoforms with estimated relative contributions of 3A4 (42%), 1A2 (26%), 2B6 (16%), 2C8 (6%), 2D6 (5%), 2C19 (5%) and 2C9 (< 1%).
Excretion
After administration of a single oral dose of 14C-ixazomib to 5 patients with advanced cancer, 62% of the administered radioactivity was excreted in urine and 22% in the feces. Unchanged ixazomib accounted for < 3.5% of the administered dose recovered in urine.
There was no clinically meaningful effect of age (range 23-91 years), sex, body surface area (range 1.2-2.7 m²), or race on the clearance of ixazomib based on population PK analysis.
The PK of ixazomib was similar in patients with normal hepatic function and in patients with mild hepatic impairment (total bilirubin ≤ ULN and AST > ULN or total bilirubin > 1-1.5 x ULN and any AST) based on population PK analysis.
The PK of ixazomib was characterized in patients with normal hepatic function at 4 mg (N=12), moderate hepatic impairment at 2.3 mg (total bilirubin > 1.5-3 x ULN, N=13) or severe hepatic impairment at 1.5 mg (total bilirubin > 3 x ULN, N=18). Dose-normalized mean AUC was 20% higher in patients with moderate or severe hepatic impairment as compared to patients with normal hepatic function [see DOSAGE AND ADMINISTRATION].
The PK of ixazomib was similar in patients with normal renal function and in patients with mild or moderate renal impairment (creatinine clearance ≥ 30 mL/min) based on population PK analysis.
The PK of ixazomib was characterized at a dose of 3 mg in patients with normal renal function (creatinine clearance ≥ 90 mL/min, N=18), severe renal impairment (creatinine clearance < 30 mL/min, N=14), or ESRD requiring dialysis (N=6). Mean AUC was 39% higher in patients with severe renal impairment or ESRD requiring dialysis as compared to patients with normal renal function. Pre- and post-dialyzer concentrations of ixazomib measured during the hemodialysis session were similar, suggesting that ixazomib is not dialyzable [see DOSAGE AND ADMINISTRATION].
Strong CYP3A Inducers
Co-administration of NINLARO with rifampin decreased ixazomib Cmax by 54% and AUC by 74% [see DRUG INTERACTIONS].
Strong CYP3A Inhibitors
Co-administration of NINLARO with clarithromycin did not result in a clinically meaningful change in the systemic exposure of ixazomib.
Strong CYP1A2 Inhibitors
Co-administration of NINLARO with strong CYP1A2 inhibitors did not result in a clinically meaningful change in the systemic exposure of ixazomib based on a population PK analysis.
Ixazomib is neither a reversible nor a time-dependent inhibitor of CYPs 1A2, 2B6, 2C8, 2C9, 2C19, 2D6, or 3A4/5. Ixazomib did not induce CYP1A2, CYP2B6, and CYP3A4/5 activity or corresponding immunoreactive protein levels. NINLARO is not expected to produce drug-drug interactions via CYP inhibition or induction.
Ixazomib is a low affinity substrate of P-gp. Ixazomib is not a substrate of BCRP, MRP2 or hepatic OATPs. Ixazomib is not an inhibitor of P-gp, BCRP, MRP2, OATP1B1, OATP1B3, OCT2, OAT1, OAT3, MATE1, or MATE2-K. NINLARO is not expected to cause transporter-mediated drug-drug interactions.
The efficacy and safety of NINLARO in combination with lenalidomide and dexamethasone was evaluated in a randomized, double-blind, placebo-controlled, multicenter study in patients with relapsed and/or refractory multiple myeloma who had received at least one prior line of therapy. Patients who were refractory to lenalidomide or proteasome inhibitors were excluded from the study.
A total of 722 patients were randomized in a 1:1 ratio to receive either the combination of NINLARO, lenalidomide and dexamethasone (N=360; NINLARO regimen) or the combination of placebo, lenalidomide and dexamethasone (N=362; placebo regimen) until disease progression or unacceptable toxicity. Randomization was stratified according to number of prior lines of therapy (1 versus 2 or 3), myeloma International Staging System (ISS) (stage I or II versus III), and previous therapy with a proteasome inhibitor (exposed or naïve). Twenty three percent (N=166) of the patients had light chain disease and 12% (N=87) of patients had free light chain-measurable only disease.
Thromboprophylaxis was recommended for all patients in both treatment groups according to the lenalidomide prescribing information. Antiemetics were used in 19% of patients in the NINLARO regimen and 12% of patients in the placebo regimen; antivirals in 64% and 60%, respectively, and antihistamines in 27% and 19%, respectively. These medications were given to patients at the healthcare provider’s discretion as prophylaxis and/or management of symptoms.
Patients received NINLARO 4 mg or placebo on Days 1, 8, and 15 plus lenalidomide (25 mg) on Days 1 through 21 and dexamethasone (40 mg) on Days 1, 8, 15, and 22 of a 28-day cycle. Patients with renal impairment received a starting dose of lenalidomide according to its prescribing information. Treatment continued until disease progression or unacceptable toxicities.
Table 6 summarizes the baseline patient and disease characteristics in the study. The baseline demographics and disease characteristics were balanced and comparable between the study regimens.
Table 6: Baseline Patient and Disease Characteristics
| NINLARO + Lenalidomide and Dexamethasone (N = 360) |
Placebo + Lenalidomide and Dexamethasone (N = 362) |
|
| Patient Characteristics | ||
| Median age in years (range) | 66 (38, 91) | 66 (30, 89) |
| Gender (%) Male/ Female | 58/42 | 56/44 |
| Age Group (% [< 65/ ≥ 65 years]) | 41/59 | 43/57 |
| Race n (%) | ||
| White | 310 (86) | 301 (83) |
| Black | 7 (2) | 6 (2) |
| Asian | 30 (8) | 34 (9) |
| Other or Not Specified | 13 (4) | 21 (6) |
| ECOG performance status, n (%) | ||
| 0 or 1 | 336 (93) | 334 (92) |
| 2 | 18 (5) | 24 (7) |
| Missing | 6 (2) | 4 (1) |
| Creatinine clearance, n (%) | ||
| < 30 mL/min | 5 (1) | 5 (1) |
| 30-59 mL/min | 74 (21) | 95 (26) |
| ≥ 60 mL/min | 281 (78) | 261 (72) |
| Disease Characteristics | ||
| Myeloma ISS stage, n (%) | ||
| Stage I or II | 315 (87) | 320 (88) |
| Stage III | 45 (13) | 42 (12) |
| Prior line therapies n (%) | ||
| Median (range) | 1 (1, 3) | 1 (1,3) |
| 1 | 224 (62) | 217(60) |
| 2 or 3 | 136 (38) | 145 (40) |
| Status at Baseline n (%) | ||
| Relapsed | 276 (77) | 280 (77) |
| Refractory* | 42 (12) | 40 (11) |
| Relapsed and Refractory | 41 (11) | 42 (12) |
| Type of Prior Therapy n (%) | ||
| Bortezomib containing | 248 (69) | 250 (69) |
| Carfilzomib containing | 1 (<1) | 4 (1) |
| Thalidomide containing | 157 (44) | 170 (47) |
| Lenalidomide containing | 44 (12) | 44 (12) |
| Melphalan containing | 293 (81) | 291 (80) |
| Stem cell transplantation | 212 (59) | 199 (55) |
| High risk (deletion (del) 17, t(4:14) and/or t ( 14:16) | 75 (21) | 62 (17) |
| deletion del (17) | 36 (10) | 33 (9) |
| *Primary refractory, defined as best response of stable disease or disease progression on all prior lines of therapy, was documented in 7% and 6% of patients in the NINLARO regimen and placebo regimens, respectively. | ||
The efficacy of NINLARO was evaluated by progression-free survival (PFS) according to the 2011 International Myeloma Working Group (IMWG) Consensus Uniform Response Criteria as assessed by a blinded independent review committee (IRC) based on central lab results. Response was assessed every four weeks until disease progression.
The approval of NINLARO was based upon a statistically significant improvement in PFS of the NINLARO regimen compared to the placebo regimen. PFS results are summarized in Table 7 and shown in Figure 1.
Table 7: Progression-Free Survival and Response Rate
| NINLARO + Lenalidomide and Dexamethasone (N = 360) |
Placebo + Lenalidomide and Dexamethasone (N = 362) |
|
| Progression-free Survival | ||
| PFS Events, n (%) | 129 (36) | 157 (43) |
| Median (months) | 20.6 | 14.7 |
| (95% CI) | (17.0, NE) | (12.9, 17.6) |
| Hazard Ratio* | 0.74 | |
| (95% CI) | (0.59, 0.94) | |
| p-value† | 0.012 | |
| Response Rate | ||
| Overall Response Rate, n (%) | 282 (78) | 259 (72) |
| Complete Response | 42 (12) | 24 (7) |
| Very Good Partial Response | 131 (36) | 117 (32) |
| Partial Response | 109 (30) | 118 (33) |
| NE: Not evaluable. *Hazard ratio is based on a stratified Cox’s proportional hazard regression model. A hazard ratio less than 1 indicates an advantage for the NINLARO regimen. †P-value is based on the stratified log-rank test. |
||
The median time to response was 1.1 months in the NINLARO regimen and 1.9 months in the placebo regimen. The median duration of response was 20.5 months in the NINLARO regimen and 15 months in the placebo regimen for responders in the response evaluable population.
Figure 1: Kaplan-Meier Plot of Progression-Free Survival
 |
A non-inferential PFS analysis was conducted at a median follow up of 23 months with 372 PFS events. Hazard ratio of PFS was 0.82 (95% confidence interval [0.67, 1.0]) for NINLARO regimen versus placebo regimen, and estimated median PFS was 20 months in the NINLARO regimen and 15.9 months in the placebo regimen.
At the final analysis for OS at a median duration of follow up of approximately 85 months, median OS in the ITT population was 53.6 months for patients in the NINLARO regimen and 51.6 months for patients in the placebo regimen (HR = 0.94 [95% CI: 0.78, 1.13]).
In C16019 (NCT02181413), newly diagnosed multiple myeloma patients who underwent autologous stem cell transplantation, continued on maintenance therapy for 24 months. There were 27% (105/395) deaths in the NINLARO arm compared with 26% (69/261) in the placebo arm. The hazard ratio for overall survival was 1.008 (95% CI: 0.744 - 1.367).
In C16021 (NCT02312258), newly diagnosed multiple myeloma patients, not treated with a stem cell transplant who achieved a partial response or better, continued on maintenance therapy for 24 months. There were 30% (127/425) deaths in the NINLARO arm compared with 27% (76/281) in the placebo arm. The hazard ratio for overall survival was 1.136 (95% CI: 0.853 - 1.514).
NINLARO is not recommended for use in the maintenance setting for multiple myeloma outside of controlled clinical trials [see INDICATIONS AND USAGE and WARNINGS AND PRECAUTIONS].
Lack of efficacy in patients with newly diagnosed multiple myeloma was determined in a prospective randomized clinical trial.
In C16014 (NCT01850524), in newly diagnosed multiple myeloma patients, the study did not meet the prespecified primary endpoint for PFS. There were 136 (39%) deaths in the NINLARO, lenalidomide, and dexamethasone arm compared to 148 (42%) in the lenalidomide and dexamethasone arm. The hazard ratio for overall survival was 0.998 (95% CI: 0.79 - 1.261).
NINLARO is not recommended for use in combination with lenalidomide and dexamethasone in newly diagnosed multiple myeloma outside of controlled clinical trials [see INDICATIONS AND USAGE].
NINLARO®
(nin-LAR-oh)
(ixazomib) capsules
NINLARO is used with two other prescription medicines called REVLIMID® (lenalidomide) and dexamethasone.
Read the Medication Guide that comes with REVLIMID® (lenalidomide). You can ask your healthcare provider or pharmacist for information about dexamethasone.
What is NINLARO?
NINLARO is a prescription medicine used to treat multiple myeloma in combination with the medicines REVLIMID® (lenalidomide) and dexamethasone, in people who have received at least one prior treatment for their multiple myeloma.
NINLARO should not be used to treat people:
It is not known if NINLARO is safe and effective in children.
Before taking NINLARO, tell your healthcare provider about all of your medical conditions, including if you:
Females who are able to become pregnant:
Males with female partners who are able to become pregnant:
Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. Talk to your healthcare provider before starting any new medicines during treatment with NINLARO.
How should I take NINLARO?
What are the possible side effects of NINLARO?
NINLARO may cause serious side effects, including:
Other common side effects of NINLARO include:
Tell your healthcare provider if you get new or worsening signs or symptoms of the following during treatment with NINLARO:
These are not all the possible side effects of NINLARO.
Call your healthcare provider for medical advice about side effects. You may report side effects to FDA at 1-800- FDA-1088.
How should I store NINLARO?
Keep NINLARO and all medicines out of the reach of children.
General information about the safe and effective use of NINLARO.
Medicines are sometimes prescribed for purposes other than those listed in a Patient Information leaflet. Do not use NINLARO for a condition for which it was not prescribed. Do not give NINLARO to other people, even if they have the same symptoms that you have. It may harm them. You can ask your pharmacist or healthcare provider for information about NINLARO that is written for healthcare professionals.
What are the ingredients in NINLARO?
Active ingredient: ixazomib
Inactive ingredients: microcrystalline cellulose, magnesium stearate, and talc
Capsule shells: gelatin and titanium dioxide. The 4 mg capsule shell contains red and yellow iron oxide. The 3 mg capsule shell contains black iron oxide. The 2.3 mg capsule shell contains red iron oxide. The printing ink contains shellac, propylene glycol, potassium hydroxide, and black iron oxide.
This Patient Information has been approved by the U.S. Food and Drug Administration.
