REZUROCK- belumosudil tablet
Kadmon Pharmaceuticals, LLC
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HIGHLIGHTS OF PRESCRIBING INFORMATIONThese highlights do not include all the information needed to use REZUROCK safely and effectively. See full prescribing information for REZUROCK.
REZUROCK® (belumosudil) tablets, for oral use Initial U.S. Approval: 2021 INDICATIONS AND USAGEREZUROCK is a kinase inhibitor indicated for the treatment of adult and pediatric patients 12 years and older with chronic graft-versus-host disease (chronic GVHD) after failure of at least two prior lines of systemic therapy. (1) DOSAGE FORMS AND STRENGTHSTablet: 200 mg. (3) CONTRAINDICATIONSNone. (4) WARNINGS AND PRECAUTIONSADVERSE REACTIONSThe most common (≥20%) adverse reactions, including laboratory abnormalities, are infections, asthenia, nausea, diarrhea, dyspnea, cough, edema, hemorrhage, abdominal pain, musculoskeletal pain, headache, phosphate decreased, gamma glutamyl transferase increased, lymphocytes decreased, and hypertension. (6.1) To report SUSPECTED ADVERSE REACTIONS, contact Kadmon Pharmaceuticals, LLC at 1-800-633-1610 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. DRUG INTERACTIONS
USE IN SPECIFIC POPULATIONSSee 17 for PATIENT COUNSELING INFORMATION and FDA-approved patient labeling. Revised: 4/2024 |
REZUROCK is indicated for the treatment of adult and pediatric patients 12 years and older with chronic graft-versus-host disease (chronic GVHD) after failure of at least two prior lines of systemic therapy.
The recommended dose of REZUROCK is 200 mg given orally once daily until progression of chronic GVHD that requires new systemic therapy.
Instruct the patient on the following:
Treatment with REZUROCK has not been studied in patients with pre-existing severe renal impairment. For patients with pre-existing severe renal impairment, consider the risks and potential benefits before initiating treatment with REZUROCK [see Clinical Pharmacology (12.3)].
Monitor total bilirubin, aspartate aminotransferase (AST), and alanine aminotransferase (ALT) at least monthly.
Modify the REZUROCK dosage for adverse reactions as per Table 1.
Adverse Reaction | Severity* | REZUROCK Dosage Modifications |
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Hepatotoxicity [see Adverse Reactions (6.1)] | Grade 3 AST or ALT (5× to 20× ULN) or Grade 2 bilirubin (1.5× to 3× ULN) | Hold REZUROCK until recovery of bilirubin, AST and ALT to Grade 0–1, then resume REZUROCK at the recommended dose. |
Grade 4 AST or ALT (more than 20× ULN) or Grade ≥3 bilirubin (more than 3× ULN) | Discontinue REZUROCK permanently. | |
Other adverse reactions [see Adverse Reactions (6.1)] | Grade 3 | Hold REZUROCK until recovery to Grade 0–1, then resume REZUROCK at the recommended dose level. |
Grade 4 | Discontinue REZUROCK permanently. |
Strong CYP3A Inducers
Increase the dosage of REZUROCK to 200 mg twice daily when coadministered with strong CYP3A inducers [see Drug Interactions (7.1)].
Proton Pump Inhibitors
Increase the dosage of REZUROCK to 200 mg twice daily when coadministered with proton pump inhibitors [see Drug Interactions (7.1)].
Avoid use in patients with moderate hepatic impairment (Child-Pugh B) or severe hepatic impairment (Child-Pugh C) without liver GVHD [see Use in Specific Populations (8.7), Clinical Pharmacology (12.3)].
No dosage adjustment is recommended when administering REZUROCK to patients with mild hepatic impairment [see Use in Specific Populations (8.7), Clinical Pharmacology (12.3)].
Each 200 mg belumosudil tablet is a pale yellow film-coated oblong tablet debossed with "KDM" on one side and "200" on the other side.
Based on findings in animals and its mechanism of action, REZUROCK can cause fetal harm when administered to a pregnant woman. In animal reproduction studies, administration of belumosudil to pregnant rats and rabbits during the period of organogenesis caused adverse developmental outcomes including embryo-fetal mortality and malformations at maternal exposures (AUC) less than those in patients at the recommended dose. Advise pregnant women of the potential risk to a fetus. Advise females of reproductive potential and males with female partners of reproductive potential to use effective contraception during treatment with REZUROCK and for one week after the last dose [see Use in Specific Populations (8.1, 8.3), Nonclinical Toxicology (13.1)].
Because clinical trials are conducted under widely variable conditions, adverse reaction rates observed in clinical trials of a drug cannot be directly compared with rates of clinical trials of another drug and may not reflect the rates observed in practice.
Chronic Graft versus Host Disease
In two clinical trials (Study KD025-213 and Study KD025-208), 83 adult patients with chronic GVHD were treated with REZUROCK 200 mg once daily [see Clinical Studies (14.1)]. The median duration of treatment was 9.2 months (range 0.5 to 44.7 months).
Fatal adverse reaction was reported in one patient with severe nausea, vomiting, diarrhea and multi-organ failure.
Permanent discontinuation of REZUROCK due to adverse reactions occurred in 18% of patients. The adverse reactions which resulted in permanent discontinuation of REZUROCK in >3% of patients included nausea (4%). Adverse reactions leading to dose interruption occurred in 29% of patients. The adverse reactions leading to dose interruption in ≥2% were infections (11%), diarrhea (4%), and asthenia, dyspnea, hemorrhage, hypotension, liver function test abnormal, nausea, pyrexia, edema, and renal failure with (2% each).
The most common (≥20%) adverse reactions, including laboratory abnormalities, were infections, asthenia, nausea, diarrhea, dyspnea, cough, edema, hemorrhage, abdominal pain, musculoskeletal pain, headache, phosphate decreased, gamma glutamyl transferase increased, lymphocytes decreased, and hypertension.
Table 2 summarizes the nonlaboratory adverse reactions.
Adverse Reaction | REZUROCK 200 mg once daily (N=83) |
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All Grades (%) | Grades 3–4 (%) | |
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Infections and infestations | ||
Infection (pathogen not specified)* | 53 | 16 |
Viral infection† | 19 | 4 |
Bacterial infection‡ | 16 | 4 |
General disorders and administration site conditions | ||
Asthenia§ | 46 | 4 |
Edema¶ | 27 | 1 |
Pyrexia | 18 | 1 |
Gastrointestinal | ||
Nausea# | 42 | 4 |
Diarrhea | 35 | 5 |
Abdominal painÞ | 22 | 1 |
Dysphagia | 16 | 0 |
Respiratory, thoracic and mediastinal | ||
Dyspneaß | 33 | 5 |
Coughà | 30 | 0 |
Nasal congestion | 12 | 0 |
Vascular | ||
Hemorrhageè | 23 | 5 |
Hypertension | 21 | 7 |
Musculoskeletal and connective tissue | ||
Musculoskeletal painð | 22 | 4 |
Muscle spasm | 17 | 0 |
Arthralgia | 15 | 2 |
Nervous system | ||
Headacheø | 21 | 0 |
Metabolism and nutrition | ||
Decreased appetite | 17 | 1 |
Skin and subcutaneous | ||
Rashý | 12 | 0 |
Pruritus£ | 11 | 0 |
Table 3 summarizes the laboratory abnormalities in REZUROCK.
REZUROCK 200 mg once daily |
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Grade 0–1 Baseline | Grade 2–4 Max Post | Grade 3–4 Max Post |
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Parameter | (N) | (%) | (%) |
Chemistry | |||
Phosphate decreased | 76 | 28 | 7 |
Gamma Glutamyl Transferase increased | 47 | 21 | 11 |
Calcium decreased | 82 | 12 | 1 |
Alkaline Phosphatase increased | 80 | 9 | 0 |
Potassium increased | 82 | 7 | 1 |
Alanine Aminotransferase increased | 83 | 7 | 2 |
Creatinine increased | 83 | 4 | 0 |
Hematology | |||
Lymphocytes decreased | 62 | 29 | 13 |
Hemoglobin decreased | 79 | 11 | 1 |
Platelets decreased | 82 | 10 | 5 |
Neutrophil Count decreased | 83 | 8 | 4 |
Strong CYP3A Inducers
Coadministration of REZUROCK with strong CYP3A inducers decreases belumosudil exposure [see Clinical Pharmacology (12.3)], which may reduce the efficacy of REZUROCK. Increase the dosage of REZUROCK when coadministered with strong CYP3A inducers [see Dosage and Administration (2.3)].
Proton Pump Inhibitors
Coadministration of REZUROCK with proton pump inhibitors decreases belumosudil exposure [see Clinical Pharmacology (12.3)], which may reduce the efficacy of REZUROCK. Increase the dosage of REZUROCK when coadministered with proton pump inhibitors [see Dosage and Administration (2.3)].
Certain UGT1A1 substrates
Avoid coadministration of REZUROCK with UGT1A1 substrates, for which minimal concentration changes may lead to serious toxicities. If coadministration cannot be avoided, decrease the UGT1A1 substrates dosage(s) in accordance with the respective Prescribing Information.
REZUROCK is an inhibitor of UGT1A1. Coadministration of REZUROCK with a UGT1A1 substrate decreased plasma concentrations of the glucuronide metabolite [see Clinical Pharmacology (12.3)], which may increase the risk of adverse reactions related to sensitive substrates of UGT1A1.
Certain P-gp, OATP1B1, and BCRP substrates
Avoid coadministration of REZUROCK with P-gp, OATP1B1, and BCRP substrates, for which minimal concentration changes may lead to serious toxicities. If coadministration cannot be avoided, decrease the P-gp, OATP1B1, and BCRP substrates dosage(s) in accordance with the respective Prescribing Information.
REZUROCK is an inhibitor of P-gp, OATP1B1, and BCRP. Coadministration of REZUROCK with P-gp, OATP1B1, and BCRP substrates increased their plasma concentrations [see Clinical Pharmacology (12.3)], which may increase the risk of adverse reactions related to these substrates.
Risk Summary
Based on findings from animal studies and the mechanism of action [see Clinical Pharmacology (12.1)], REZUROCK can cause fetal harm when administered to pregnant women. There are no available human data on REZUROCK use in pregnant women to evaluate for a drug-associated risk. In animal reproduction studies, administration of belumosudil to pregnant rats and rabbits during the period of organogenesis resulted in adverse developmental outcomes, including alterations to growth, embryo-fetal mortality, and embryo-fetal malformations at maternal exposures (AUC) approximately ≥3- (rat) and ≥0.07 (rabbit) times the human exposure (AUC) at the recommended dose (see Data). Advise pregnant women and females of reproductive potential of the potential risk to the fetus.
In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively.
Data
Animal data
Embryo-fetal development studies were conducted in rats with administration of belumosudil to pregnant animals during the period of organogenesis at oral doses of 25, 50, 150, and 300 mg/kg/day in a pilot study and doses of 15, 50, and 150 mg/kg/day in a pivotal study. In the pilot study, maternal toxicity and embryo-fetal developmental effects were observed. Maternal toxicity (reduced body weight gain) occurred at 150 and 300 mg/kg/day doses. Increased post-implantation loss occurred at 50 and 300 mg/kg/day. Fetal-malformations were observed at ≥50 mg/kg/day and included absence of anus and tail, omphalocele, and dome shaped head. The exposure (AUC) at 50 mg/kg/day in rats is approximately 3 times the human exposure at the recommended dose of 200 mg.
In an embryo-fetal developmental study in rabbits, pregnant animals administered oral doses of belumosudil at 50, 125, and 225 mg/kg/day during the period of organogenesis resulted in maternal toxicity and embryo-fetal developmental effects. Maternal toxicity (body weight loss and mortality) was observed at doses ≥125 mg/kg/day. Embryo-fetal effects were observed at doses ≥50 mg/kg/day and included spontaneous abortion, increased post-implantation loss, decreased percentage of live fetuses, malformations, and decreased fetal body weight. Malformations included those in the tail (short), ribs (branched, fused or deformed), sternebrae (fused), and neural arches (fused, misaligned, and deformed). The exposure (AUC) at 50 mg/kg/day in rabbits is approximately 0.07 times the human exposure at the recommended dose of 200 mg.
Risk Summary
There are no data available on the presence of belumosudil or its metabolites in human milk or the effects on the breastfed child, or milk production. Because of the potential for serious adverse reactions from belumosudil in the breastfed child, advise lactating women not to breastfeed during treatment with REZUROCK and for one week after the last dose.
REZUROCK can cause fetal harm when administered to a pregnant woman [see Use in Specific Populations (8.1)].
Pregnancy Testing
Verify the pregnancy status of females of reproductive potential prior to initiating treatment with REZUROCK.
Contraception
Females
Advise females of reproductive potential to use effective contraception during treatment with REZUROCK and for one week after the last dose of REZUROCK. If this drug is used during pregnancy or if the patient becomes pregnant while taking this drug, the patient should be informed of the potential hazard to a fetus.
Infertility
Females
Based on findings from rats, REZUROCK may impair female fertility. The effect on fertility is reversible [see Nonclinical Toxicology (13.1)].
Males
Based on findings from rats and dogs, REZUROCK may impair male fertility. The effects on fertility are reversible [see Nonclinical Toxicology (13.1)].
The safety and effectiveness of REZUROCK have been established in pediatric patients 12 years and older. Use of REZUROCK in this age group is supported by evidence from adequate and well-controlled studies of REZUROCK in adults with additional population pharmacokinetic data demonstrating that age and body weight had no clinically meaningful effect on the pharmacokinetics of drug substance, that the exposure of drug substance is expected to be similar between adults and pediatric patients age 12 years and older, and that the course of disease is sufficiently similar in adult and pediatric patients to allow extrapolation of data in adults to pediatric patients.
The safety and effectiveness of REZUROCK in pediatric patients less than 12 years old have not been established.
Of the 186 patients with chronic GVHD in clinical studies of REZUROCK, 26% were 65 years and older. No clinically meaningful differences in safety or effectiveness of REZUROCK were observed in comparison to younger patients.
Treatment with REZUROCK has not been studied in patients with pre-existing severe renal impairment. For patients with pre-existing severe renal impairment, consider the risks and potential benefits before initiating treatment with REZUROCK [see Dosage and Administration (2.1) and Clinical Pharmacology (12.3)].
Avoid use in patients with moderate hepatic impairment (Child-Pugh B) or severe hepatic impairment (Child-Pugh C) without liver GVHD [see Dosage and Administration (2.4), Clinical Pharmacology (12.3)].
No dosage adjustment is recommended for patients with mild hepatic impairment (Child-Pugh A) [see Dosage and Administration (2.4), Clinical Pharmacology (12.3)].
Belumosudil is a kinase inhibitor. The active pharmaceutical ingredient is belumosudil mesylate with the molecular formula C27H28N6O5S and the molecular weight is 548.62 g/mol. The chemical name for belumosudil mesylate is 2-{3-[4-(1H-indazol-5-ylamino)-2-quinazolinyl]phenoxy}-N-(propan-2-yl) acetamide methanesulfonate (1:1). The chemical structure is as follows:
Belumosudil mesylate is a yellow powder that is practically insoluble in water, slightly soluble in methanol and DMF and soluble in DMSO.
REZUROCK tablets are for oral administration. Each tablet contains 200 mg of the free base equivalent to 242.5 mg of belumosudil mesylate. The tablet also contains the following inactive ingredients: microcrystalline cellulose, hypromellose, croscarmellose sodium, colloidal silicon dioxide, and magnesium stearate.
The tablet film consists of polyvinyl alcohol, polyethylene glycol, talc, titanium dioxide and yellow iron oxide.
Belumosudil is an inhibitor of rho-associated, coiled-coil containing protein kinase (ROCK) which inhibits ROCK2 and ROCK1 with IC50 values of approximately 100 nM and 3 µM, respectively. Belumosudil down-regulated proinflammatory responses via regulation of STAT3/STAT5 phosphorylation and shifting Th17/Treg balance in ex-vivo or in vitro-human T cell assays. Belumosudil also inhibited aberrant pro-fibrotic signaling, in vitro. In vivo, belumosudil demonstrated activity in animal models of chronic GVHD.
Belumosudil exposure-response relationships and the time course of pharmacodynamic response are not established.
The following pharmacokinetic parameters are presented for chronic GVHD patients administered belumosudil 200 mg once daily, unless otherwise specified. The mean (% coefficient of variation, %CV) steady-state AUC and Cmax of belumosudil was 22,700 (48%) h∙ng/mL and 2390 (44%) ng/mL, respectively. Belumosudil Cmax and AUC increased in an approximately proportional manner over a dosage range of 200 and 400 mg (1 to 2 times once daily recommended dosage). The accumulation ratio of belumosudil was 1.4.
Absorption
Median Tmax of belumosudil at steady state was 1.26 to 2.53 hours following administration of 200 mg once daily or twice daily in patients. The mean (%CV) bioavailability was 64% (17%) following a single belumosudil dose in healthy subjects.
Effect of food
Belumosudil Cmax and AUC increased 2.2 times and 2 times, respectively, following administration of a single belumosudil dose with a high-fat and high-calorie meal (800 to 1,000 calories with approximately 50% of total caloric content of the meal from fat) compared to the fasted state in healthy subjects. Median Tmax was delayed 0.5 hours.
Distribution
The geometric mean volume of distribution after a single dose of belumosudil in healthy subjects was 184 L (geo CV% 67.7%).
Belumosudil binding to human serum albumin and human α1-acid glycoprotein was 99.9% and 98.6%, respectively, in vitro.
Elimination
The mean (%CV) elimination half-life of belumosudil was 19 hours (39%), and clearance was 9.83 L/hours (46%) in patients.
Specific Populations
No clinically significant differences in belumosudil pharmacokinetics were observed with regard to age (18 to 77 years), sex, weight (38.6 to 143 kg), or mild to moderate renal impairment (eGFR ≥60 and <90 mL/min/1.72m2 to eGFR ≥30 and <60 mL/min/1.72m2). The effect of severe renal impairment on the pharmacokinetics of belumosudil has not been studied.
Patients with Hepatic Impairment
Following a single 200 mg dose of belumosudil, changes in belumosudil exposure in subjects with varying degrees of hepatic impairment based on Child-Pugh score without liver GVHD relative to subjects with normal hepatic function is shown in Table 4.
Hepatic Impairment Category | Changes in Belumosudil Exposure in Subjects with Hepatic Impairment Compared to Subjects with Normal Hepatic Function | |||
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Total (Free + Bound) Concentrations | Free Concentrations | |||
Cmax | AUC | Cmax | AUC | |
Mild (Child-Pugh A) | 1.2-fold increase | 1.4-fold increase | 14% decrease | 19% decrease |
Moderate (Child-Pugh B) | 6% decrease | 1.5-fold increase | 12% decrease | 1.4-fold increase |
Severe (Child-Pugh C) | 1.3-fold increase | 4.2-fold increase | 5.4-fold increase | 16-fold increase |
Drug Interaction Studies
Clinical studies and model-informed approaches
Effects of other drugs on Belumosudil
Strong Cytochrome P450 (CYP) 3A Inhibitors: There was no clinically meaningful effect on belumosudil exposure when coadministered with itraconazole in healthy subjects.
Strong CYP3A Inducers: Coadministration of rifampin decreased belumosudil Cmax by 59% and AUC by 72% in healthy subjects.
Effects of Belumosudil on other drugs
CYP3A Substrates: Coadministration of belumosudil is predicted to increase midazolam (a sensitive CYP3A substrate) Cmax and AUC approximately 1.3- and 1.5-fold, respectively.
CYP2C9 Substrates: Coadministration of belumosudil is not expected to have clinically meaningful effect on the exposure of CYP2C9 substrates (such as warfarin).
Mutagenesis
Belumosudil was not genotoxic in an in vitro bacterial mutagenicity (Ames) assay, in vitro chromosome aberration assay in human peripheral blood lymphocytes (HPBL) or an in vivo rat bone marrow micronucleus assay.
Impairment of Fertility
In a combined male and female rat fertility study, belumosudil-treated male animals were mated with untreated females, or untreated males were mated with belumosudil-treated females. Belumosudil was administered orally at doses of 50, 150 or 275 mg/kg/day to male rats 70 days prior to and throughout the mating period, and to female rats 14 days prior to mating and up to Gestation Day 7. At the dose of 275 mg/kg/day, adverse findings in female rats (treated with belumosudil or untreated but mated with treated males) included increased pre- or post-implantation loss and decreased number of viable embryos. Administration of belumosudil to male rats at a dose of 275 mg/kg/day resulted in abnormal sperm findings (reduced motility, reduced count, and increased percentage of abnormal sperm), and testes/epididymis organ changes (reduced weight and degeneration). Fertility was reduced in both treated males or females at the 275 mg/kg/day dose and reached statistical significance in males. Adverse changes in male and female reproductive organs also occurred in general toxicology studies; findings included spermatozoa degeneration at a belumosudil dose of 35 mg/kg/day in dogs and decreased follicular development in ovaries at 275 mg/kg/day in rats. Changes were partially or fully reversed during the recovery period. The exposure (AUC) at the doses of 35 mg/kg/day in dogs, and 275 mg/kg/day in rats is 0.5 times and 8–9 times, respectively, the clinical exposure at the recommended dose of 200 mg daily.
Study KD025-213 (NCT03640481) was a randomized, open-label, multicenter study of REZUROCK for treatment of patients with chronic GVHD who had received 2 to 5 prior lines of systemic therapy and required additional treatment. Patients were excluded from the studies if platelets were <50 × 109/L; absolute neutrophil count <1.5 × 109/L; AST or ALT >3 × ULN; total bilirubin >1.5 × ULN; QTc(F) >480 ms; eGFR <30 mL/min/1.73 m2; or FEV1 ≤39%. There were 66 patients treated with REZUROCK 200 mg taken orally once daily. Concomitant treatment with supportive care therapies for chronic GVHD was permitted. Concomitant treatment with GVHD prophylaxis and standard care systemic chronic GVHD therapies was permitted as long as the subject has been on a stable dose for at least 2 weeks prior to study. Initiation of new systemic chronic GVHD therapy while on study was not permitted.
Demographics and baseline characteristics are summarized in Table 5.
REZUROCK 200 mg once daily (N=65) |
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Age, Median, Years (minimum, maximum) | 53 (21, 77) |
Age ≥65 Years, n (%) | 17 (26) |
Male, n (%) | 42 (65) |
Race, n (%) | |
White | 54 (83) |
Black | 6 (9) |
Other or Not Reported | 5 (8) |
Median (range) time (months) from Chronic GVHD Diagnosis | 25.3 (1.9, 162.4) |
≥4 Organs Involved, n (%) | 31 (48) |
Median (range) Number of Prior Lines of Therapy | 3 (2, 6) |
Number of Prior Lines of Therapy, n (%) | |
2 | 23 (35) |
3 | 12 (19) |
4 | 15 (23) |
≥5 | 15 (23) |
Prior chronic GVHD treatment with ibrutinib, n (%) | 21 (32) |
Prior chronic GVHD treatment with ruxolitinib, n (%) | 20 (31) |
Refractory to Last Therapy, n (%*) | 43/55 (78) |
Severe chronic GVHD, n (%) | 46 (71) |
Median (range) Global Severity Rating | 7 (2, 9) |
Median (range) Lee Symptom Scale Score at baseline | 27 (7, 56) |
Median (range) Corticosteroid dose at baseline (PE/kg)† | 0.19 (0.03, 0.95) |
The efficacy of REZUROCK was based on overall response rate (ORR) through Cycle 7 Day 1 where overall response included complete response or partial response according to the 2014 NIH Response Criteria. The ORR results are presented in Table 6. The ORR was 75% (95% CI: 63, 85). The median duration of response, calculated from first response to progression, death, or new systemic therapies for chronic GVHD, was 1.9 months (95% CI: 1.2, 2.9). The median time to first response was 1.8 months (95% CI: 1.0, 1.9). In patients who achieved response, no death or new systemic therapy initiation occurred in 62% (95% CI: 46, 74) of patients for at least 12 months since response.
REZUROCK 200 mg once daily (N=65) |
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Overall Response Rate (ORR) | 49 (75%) |
95% Confidence Interval* | (63%, 85%) |
Complete Response | 4 (6%) |
Partial Response | 45 (69%) |
ORR results were supported by exploratory analyses of patient-reported symptom bother which showed at least a 7-point decrease in the Lee Symptom Scale summary score through Cycle 7 Day 1 in 52% (95% CI: 40, 65) of patients.
REZUROCK 200 mg tablets are supplied as pale yellow film-coated oblong tablets containing 200 mg of belumosudil (equivalent to 242.5 mg belumosudil mesylate). Each tablet is debossed with "KDM" on one side and "200" on the other side and is packaged as follows:
Store at room temperature, 20°C to 25°C (68°F to 77°F); excursions permitted from 15°C to 30°C (59°F to 86°F) [see USP Controlled Room Temperature].
Dispense to patient in original container only. Store in original container to protect from moisture. Replace cap securely each time after opening. Do not discard desiccant.
Advise the patient to read the FDA-approved patient labeling (Patient Information).
Embryo-fetal Toxicity:
Lactation
Infertility
Administration
Drug Interactions
Distributed and marketed by:
Kadmon Pharmaceuticals, LLC
Bridgewater, NJ 08807
A SANOFI COMPANY
1-800-633-1610
REZUROCK® is a registered trademark of Kadmon Pharmaceuticals, LLC.
© 2024 Kadmon Pharmaceuticals, LLC. All rights reserved.
For patent information: https://www.sanofi.us/en/products-and-resources/patents
This Patient Information has been approved by the U.S. Food and Drug Administration | Issued: APR 2024 | |
PATIENT INFORMATION
REZUROCK (REZ-ur-ok) (belumosudil) tablets |
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What is REZUROCK? | ||
REZUROCK is a prescription medicine used to treat adults and children 12 years of age and older with chronic graft-versus-host disease (chronic GVHD) after you have received at least 2 prior treatments (systemic therapy) and they did not work. It is not known if REZUROCK is safe and effective in children less than 12 years old. |
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Before taking REZUROCK, tell your healthcare provider about all of your medical conditions, including if you:
Know the medicines you take. Keep a list of them to show your healthcare provider and pharmacist when you get a new medicine. |
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How should I take REZUROCK?
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What are the possible side effects of REZUROCK? The most common side effects of REZUROCK include: |
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Your healthcare provider may change your dose of REZUROCK, temporarily stop, or permanently stop treatment with REZUROCK if you have certain side effects.
REZUROCK may affect fertility in males and females. Talk to your healthcare provider if this is a concern for you. These are not all the possible side effects of REZUROCK. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may also report side effects to Kadmon Pharmaceuticals, LLC at 1-800-633-1610. |
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How should I store REZUROCK?
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General information about the safe and effective use of REZUROCK.
Medicines are sometimes prescribed for purposes other than those listed in a Patient Information leaflet. Do not use REZUROCK for a condition for which it was not prescribed. Do not give REZUROCK 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 REZUROCK that is written for health professionals. |
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What are the ingredients in REZUROCK? Active ingredient: belumosudil mesylate Inactive ingredients: Tablet core: microcrystalline cellulose, hypromellose, croscarmellose sodium, colloidal silicon dioxide, and magnesium stearate. Tablet coating: polyvinyl alcohol, polyethylene glycol, talc, titanium dioxide and yellow iron oxide. Distributed and marketed by Kadmon Pharmaceuticals, LLC, Bridgewater, NJ 08807, A SANOFI COMPANY REZUROCK® is a registered trademark of Kadmon Pharmaceuticals, LLC © 2024 Kadmon Pharmaceuticals, LLC. All rights reserved. For more information, call 1-800-633-1610 or go to www.REZUROCK.com. |
REZUROCK
belumosudil tablet |
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Labeler - Kadmon Pharmaceuticals, LLC (117510981) |
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