Belumosudil (REZUROCK) is included in the NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines®) as a NCCN category 2A systemic treatment option for steroid-refractory cGVHD.4,a

REZUROCK demonstrated efficacy in a broad range of patients with cGVHD1

The ORRb,c was 75% at the recommended dose of 200 mg once daily (n=65) in the pivotal ROCKstar study.

EXPLORE EFFICACY

The safety of REZUROCK was evaluated across 2 multicenter clinical studies1

REZUROCK was evaluated in a real-world population of patients with cGVHD.1,5,d

EXPLORE SAFETY AND TOLERABILITY

aNCCN makes no warranties of any kind whatsoever regarding their content, use or application and disclaims any responsibility for their application or use in any way.
bBased on a final analysis by the FDA (n=65).
cProportion of patients who achieved CR or PR according to the 2014 NIH cGVHD Consensus Criteria.1
dROCKstar study select baseline patient characteristics (200-mg once-daily arm): median age of 53 years (range, 21-77); male, n=42 (64%); median of 3 prior lines of systemic therapy; median of 25 months (range, 2-162) from cGVHD diagnosis to enrollment; median prednisone-equivalent dose at enrollment of 0.20 mg/kg/d (range, 0.03-0.95); concomitant PPI use, n=33 (50%); ≥4 organs involved, n=33 (50%); previous aGVHD, n=42 (64%); refractory to prior line of systemic therapy, n=44 (79%)e; NIH-defined disease severity: n=46 (70%) severe, n=18 (27%) moderate, n=2 (3%) mild. Prior systemic therapies included corticosteroids (prednisone), n=65 (99%); tacrolimus, n=40 (61%); ECP, n=31 (47%); ibrutinib, n=22 (33%); and ruxolitinib, n=20 (30%).5,6
eDenominator excludes patients with unknown status.1

A ROCK2 inhibitor designed to address the
INFLAMMATION AND FIBROSIS
associated with cGVHD1-3

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aGVHD, acute graft-versus-host disease; cGVHD, chronic graft-versus-host disease; CR, complete response; ECP, extracorporeal photopheresis; FDA, US Food and Drug Administration; MOA, mechanism of action; NCCN, National Comprehensive Cancer Network®; NIH, National Institutes of Health; ORR, overall response rate; PPI, proton pump inhibitor; PR, partial response; ROCK2, rho-associated coiled-coil–containing protein kinase-2.

References: 1. REZUROCK. Package insert. Kadmon Pharmaceuticals, LLC. 2. Zanin-Zhorov A, Weiss JM, Nyuydzefe MS, et al. Selective oral ROCK2 inhibitor down-regulates IL-21 and IL-17 secretion in human T cells via STAT3-dependent mechanism. Proc Natl Acad Sci USA. 2014;111(47):16814-16819. doi:10.1073/pnas.1414189111 3. Flynn R, Paz K, Du J, et al. Targeted Rho-associated kinase 2 inhibition suppresses murine and human chronic GVHD through a Stat3-dependent mechanism. Blood. 2016;127(17):2144-2154. doi:10.1182/blood-2015-10-678706 4. Referenced with permission from the NCCN Clinical Practice Guidelines in Oncology (NCCN Guideline®) for Hematopoietic Cell Transplantation (HCT). V.3.2023. © National Comprehensive Cancer Network, Inc. 2023. All rights reserved. Accessed February 26, 2024. To view the most recent and complete version of the guideline, go online to NCCN.org 5. Cutler C, Lee SJ, Arai S, et al; on behalf of the ROCKstar Study Investigators. Belumosudil for chronic graft-versus-host disease after 2 or more prior lines of therapy: the ROCKstar Study. Blood. 2021;138(22):2278-2289. doi:10.1182/blood.2021012021 6. Data on file 1. Kadmon Pharmaceuticals, LLC; 2021.

IMPORTANT SAFETY INFORMATION

INDICATION

REZUROCK® (belumosudil) 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.

Warnings and Precautions

  • Embryo-Fetal Toxicity: Based on findings in animals and its mechanism of action, REZUROCK can cause fetal harm when administered to a pregnant woman. 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

Adverse Reactions

  • 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
  • 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)
  • Monitor total bilirubin, aspartate aminotransferase (AST), and alanine aminotransferase (ALT) at least monthly

Drug Interactions

  • Strong CYP3A Inducers: Coadministration of REZUROCK with strong CYP3A inducers decreases belumosudil exposure, which may reduce the efficacy of REZUROCK. Increase the dosage of REZUROCK to 200 mg twice daily when coadministered with strong CYP3A inducers
  • Proton Pump Inhibitors: Coadministration of REZUROCK with proton pump inhibitors decreases belumosudil exposure, which may reduce the efficacy of REZUROCK. Increase the dosage of REZUROCK to 200 mg twice daily when coadministered with proton pump inhibitors
  • 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, 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, which may increase the risk of adverse reactions related to these substrates

Use in Specific Populations

  • Pregnancy: There are no available human data on REZUROCK use in pregnant women to evaluate for a drug-associated risk. Advise pregnant women and females of reproductive potential of the potential risk to the fetus
  • Lactation: 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
  • Pediatric Use: The safety and effectiveness of REZUROCK in pediatric patients less than 12 years old have not been established
  • Geriatric Use: 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
  • Renal Impairment: 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
  • Hepatic Impairment: Avoid use in patients with moderate hepatic impairment (Child-Pugh B) or severe hepatic impairment (Child-Pugh C) without liver GVHD. No dose adjustment is recommended for patients with mild hepatic impairment (Child-Pugh A)

Please click here for full Prescribing Information.

IMPORTANT SAFETY INFORMATION

INDICATION

REZUROCK® (belumosudil) 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.

Warnings and Precautions

  • Embryo-Fetal Toxicity: Based on findings in animals and its mechanism of action, REZUROCK can cause fetal harm when administered to a pregnant woman. 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

Adverse Reactions

  • 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
  • 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)
  • Monitor total bilirubin, aspartate aminotransferase (AST), and alanine aminotransferase (ALT) at least monthly

Drug Interactions

  • Strong CYP3A Inducers: Coadministration of REZUROCK with strong CYP3A inducers decreases belumosudil exposure, which may reduce the efficacy of REZUROCK. Increase the dosage of REZUROCK to 200 mg twice daily when coadministered with strong CYP3A inducers
  • Proton Pump Inhibitors: Coadministration of REZUROCK with proton pump inhibitors decreases belumosudil exposure, which may reduce the efficacy of REZUROCK. Increase the dosage of REZUROCK to 200 mg twice daily when coadministered with proton pump inhibitors
  • 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, 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, which may increase the risk of adverse reactions related to these substrates

Use in Specific Populations

  • Pregnancy: There are no available human data on REZUROCK use in pregnant women to evaluate for a drug-associated risk. Advise pregnant women and females of reproductive potential of the potential risk to the fetus
  • Lactation: 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
  • Pediatric Use: The safety and effectiveness of REZUROCK in pediatric patients less than 12 years old have not been established
  • Geriatric Use: 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
  • Renal Impairment: 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
  • Hepatic Impairment: Avoid use in patients with moderate hepatic impairment (Child-Pugh B) or severe hepatic impairment (Child-Pugh C) without liver GVHD. No dose adjustment is recommended for patients with mild hepatic impairment (Child-Pugh A)

Please click here for full Prescribing Information.