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POTELIGEO Dailymed

  1. Human Prescription
  2. Monoclonal Antibody
  3. Kyowa Kirin, Inc.

Generic: mogamulizumab-kpkc is used for the treatment of Mycosis Fungoides Sezary Syndrome

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1 Indications And Usage


POTELIGEO is indicated for the treatment of adult patients with relapsed or refractory mycosis fungoides (MF) or Sézary syndrome (SS) after at least one prior systemic therapy.


POTELIGEO is a CC chemokine receptor type 4 (CCR4)-directed monoclonal antibody indicated for the treatment of adult patients with relapsed or refractory mycosis fungoides or Sézary syndrome after at least one prior systemic therapy (1).

2 Dosage And Administration



1 mg/kg as an intravenous infusion over at least 60 minutes on days 1, 8, 15, and 22 of the first 28-day cycle and on days 1 and 15 of each subsequent cycle (2).

2.1Recommended Dosage


The recommended dose of POTELIGEO is 1 mg/kg administered as an intravenous infusion over at least 60 minutes. Administer on days 1, 8, 15, and 22 of the first 28-day cycle, then on days 1 and 15 of each subsequent 28-day cycle until disease progression or unacceptable toxicity.

Administer POTELIGEO within 2 days of the scheduled dose. If a dose is missed, administer the next dose as soon as possible and resume dosing schedule.

Do not administer POTELIGEO subcutaneously or by rapid intravenous administration.


Recommended Premedications

Administer premedication with diphenhydramine and acetaminophen for the first POTELIGEO infusion.

2.2Dose Modifications for Toxicity



Dermatologic Toxicity
  • Permanently discontinue POTELIGEO for life-threatening (Grade 4) rash or for any Stevens-Johnson syndrome (SJS) or toxic epidermal necrolysis (TEN) [see Warnings and Precautions (5.1) ]. If SJS or TEN is suspected, stop POTELIGEO and do not resume unless SJS or TEN has been excluded and the cutaneous reaction has resolved to Grade 1 or less.
  • If moderate or severe (Grades 2 or 3) rash occurs, interrupt POTELIGEO and administer at least 2 weeks of topical corticosteroids. If rash improves to Grade 1 or less, POTELIGEO may be resumed [see Warnings and Precautions (5.1) ].
  • If mild (Grade 1) rash occurs, consider topical corticosteroids.


Infusion Reactions
  • Permanently discontinue POTELIGEO for a life-threatening (Grade 4) infusion reaction [see Warnings and Precautions (5.2) ].
  • Temporarily interrupt the infusion of POTELIGEO for mild to severe (Grades 1 to 3) infusion reactions and treat symptoms. Reduce the infusion rate by at least 50% when restarting the infusion after symptoms resolve. If reaction recurs and is unmanageable, discontinue infusion. [see Warnings and Precautions (5.2) ].
  • If an infusion reaction occurs, administer premedication (such as diphenhydramine and acetaminophen) for subsequent POTELIGEO infusions.

2.3Preparation and Administration



Preparation
  • Visually inspect drug product solution for particulate matter and discoloration prior to administration. POTELIGEO is a clear to slightly opalescent colorless solution. Discard the vial if cloudiness, discoloration, or particulates are observed.
  • Calculate the dose (mg/kg) and number of vials of POTELIGEO needed to prepare the infusion solution based on patient weight.
  • Aseptically withdraw the required volume of POTELIGEO into the syringe and transfer into an intravenous (IV) bag containing 0.9% Sodium Chloride Injection, USP. The final concentration of the diluted solution should be between 0.1 mg/mL to 3.0 mg/mL.
  • Mix diluted solution by gentle inversion. Do not shake.
  • Discard any unused portion left in the vial.

The diluted solution is compatible with polyvinyl chloride (PVC) or polyolefin (PO) infusion bags.


Administration
  • Administer infusion solution over at least 60 minutes through an intravenous line containing a sterile, low protein binding, 0.22 micron (or equivalent) in-line filter.
  • Do not mix POTELIGEO with other drugs.
  • Do not co-administer other drugs through the same intravenous line.


Storage of Diluted Solution

After preparation, infuse the POTELIGEO solution immediately, or store under refrigeration at 2°C to 8°C (36°F to 46°F) for no more than 24 hours from the time of infusion preparation.

Do not freeze. Do not shake.

3 Dosage Forms And Strengths


Injection: 20 mg/5 mL (4 mg/mL) as a clear to slightly opalescent colorless solution in a single-dose vial.


Injection: 20 mg/5 mL (4 mg/mL) solution in a single-dose vial (3).

4 Contraindications


None.


None (4).

5 Warnings And Precautions


  • Dermatologic Toxicity: Temporarily interrupt POTELIGEO for moderate or severe skin rashes. Permanently discontinue POTELIGEO for life-threatening rash (5.1).
  • Infusion Reactions: Temporarily interrupt POTELIGEO for any infusion reaction. Permanently discontinue POTELIGEO for any life-threatening infusion reaction (5.2).
  • Infections: Monitor and treat promptly (5.3).
  • Autoimmune Complications: Interrupt or permanently discontinue POTELIGEO as appropriate (5.4).
  • Complications of Allogeneic HSCT after POTELIGEO: Monitor for severe acute graft-versus-host disease (GVHD) and steroid-refractory GVHD. Transplant-related mortality has occurred (5.5).

5.1Dermatologic Toxicity


Fatal and life-threatening skin adverse reactions, including Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN), have occurred in recipients of POTELIGEO. Rash (drug eruption) is one of the most common adverse reactions associated with POTELIGEO. In Trial 1, 25% (80/319) of patients treated with POTELIGEO had an adverse reaction of drug eruption, with 18% of these cases being severe (Grade 3) and 82% of these cases being Grade 1 or 2. Of 528 patients treated with POTELIGEO in clinical trials, Grade 3 skin adverse reactions were reported in 3.6%, Grade 4 skin adverse reactions in <1%, and SJS in <1%.

The onset of drug eruption is variable, and the affected areas and appearance vary. In Trial 1, the median time to onset was 15 weeks, with 25% of cases occurring after 31 weeks. The more common presentations reported included papular or maculopapular rash, lichenoid, spongiotic or granulomatous dermatitis, and morbilliform rash. Other presentations included scaly plaques, pustular eruption, folliculitis, non-specific dermatitis, and psoriasiform dermatitis.

Monitor patients for rash throughout the treatment course. Management of dermatologic toxicity includes topical corticosteroids and interruption or permanent cessation of POTELIGEO [see Dosage and Administration (2.2) ]. Consider skin biopsy to help distinguish drug eruption from disease progression.

Discontinue POTELIGEO permanently for SJS or TEN or for any life-threatening (Grade 4) reaction. For possible SJS or TEN, interrupt POTELIGEO and do not restart unless SJS or TEN is ruled out and the cutaneous reaction has resolved to Grade 1 or less.

5.2Infusion Reactions


Fatal and life-threatening infusion reactions have been reported in patients treated with POTELIGEO. In Trial 1, infusion reactions occurred in 35% (112/319) of patients treated with POTELIGEO, with 8% of these reactions being severe (Grade 3). Most reactions (approximately 90%) occur during or shortly after the first infusion. Infusion reactions can also occur with subsequent infusions. The most commonly reported signs include chills, nausea, fever, tachycardia, rigors, headache, and vomiting.

Consider premedication (such as diphenhydramine and acetaminophen) for the first infusion of POTELIGEO in all patients. Whether premedication reduces the risk or severity of these reactions is not established. In Trial 1, infusion reactions occurred in 42% of patients without premedication and 32% of patients with premedication. Monitor patients closely for signs and symptoms of infusion reactions and interrupt the infusion for any grade reaction and treat promptly [see Dosage and Administration (2.2) ].

5.3Infections


Fatal and life-threatening infections have occurred in patients treated with POTELIGEO, including sepsis, pneumonia, and skin infection. In Trial 1, 18% (34/184) of patients randomized to POTELIGEO had Grade 3 or higher infection or an infection-related serious adverse reaction. Monitor patients for signs and symptoms of infection and treat promptly.

5.4Autoimmune Complications


Fatal and life-threatening immune-mediated complications have been reported in recipients of POTELIGEO. Grade 3 or higher immune-mediated or possibly immune-mediated reactions have included myositis, myocarditis, polymyositis, hepatitis, pneumonitis, glomerulonephritis and a variant of Guillain-Barré syndrome. Use of systemic immunosuppressants for immune-mediated reactions was reported in 1.9% (6/319) of recipients of POTELIGEO in Trial 1, including for a case of Grade 2 polymyalgia rheumatica. New-onset hypothyroidism (Grade 1 or 2) was reported in 1.3% of patients and managed with observation or levothyroxine. Interrupt or permanently discontinue POTELIGEO as appropriate for suspected immune-mediated adverse reactions. Consider the benefit/risk of POTELIGEO in patients with a history of autoimmune disease.

5.5Complications of Allogeneic Hematopoietic Stem Cell Transplantation (HSCT) after POTELIGEO


Increased risks of transplant complications have been reported in patients who receive allogeneic HSCT after POTELIGEO including severe (Grade 3 or 4) acute graft-versus-host disease (GVHD), steroid-refractory GVHD, and transplant-related death. Among recipients of pre-transplantation POTELIGEO, a higher risk of transplant complications has been reported if POTELIGEO is given within a shorter time frame (approximately 50 days) before HSCT. Follow patients closely for early evidence of transplant-related complications.

6 Adverse Reactions


The following serious adverse reactions are discussed in greater detail in other sections of the labeling:


The most common adverse reactions (reported in ≥20% of patients) are rash, infusion related reactions, fatigue, diarrhea, musculoskeletal pain, and upper respiratory tract infection (6.1).

To report SUSPECTED ADVERSE REACTIONS, contact Kyowa Kirin, Inc. at 1-844-768-3544 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

6.1Clinical Trial Experience


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.


Trial 1

The data described below reflect exposure to POTELIGEO in a randomized, open-label, actively controlled clinical trial for adult patients with MF or SS who received at least one prior systemic therapy [see Clinical Studies (14) ]. Of 370 patients treated, 184 (57% with MF, 43% with SS) received POTELIGEO as randomized treatment and 186 (53% with MF, 47% with SS) received vorinostat. In the vorinostat arm, 135 patients (73%) subsequently crossed over to POTELIGEO for a total of 319 patients treated with POTELIGEO.

POTELIGEO was administered at 1 mg/kg intravenously over at least 60 minutes on days 1, 8, 15, and 22 of the first 28-day cycle and on days 1 and 15 of subsequent 28-day cycles. Premedication (diphenhydramine, acetaminophen) was optional and administered to 65% of randomized patients for the first infusion. The comparator group received vorinostat 400 mg orally once daily, given continuously in 28-day cycles. Treatment continued until unacceptable toxicity or progressive disease.

The median age was 64 years (range, 25 to 101 years), 58% of patients were male, 70% were white, and 99% had an Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1. Patients had a median of 3 prior systemic therapies. The trial required an absolute neutrophil count (ANC) ≥1,500/µL (≥1,000/µL if bone marrow was involved), platelet count ≥100,000/µL (≥75,000/µL if bone marrow was involved), creatinine clearance >50 mL/min or serum creatinine ≤1.5 mg/dL, and hepatic transaminases ≤2.5 times upper limit of normal (ULN) (≤5 times ULN if lymphomatous liver infiltration). Patients with active autoimmune disease, active infection, autologous HSCT within 90 days, or prior allogeneic HSCT were excluded.

During randomized treatment, the median duration of exposure to POTELIGEO was 5.6 months, with 48% (89/184) of patients with at least 6 months of exposure and 23% (43/184) with at least 12 months of exposure. The median duration of exposure to vorinostat was 2.8 months, with 22% (41/186) of patients with at least 6 months of exposure.

Fatal adverse reactions within 90 days of the last dose occurred in 2.2% (7/319) of patients who received POTELIGEO as randomized or crossover treatment.

Serious adverse reactions were reported in 36% (66/184) of patients randomized to POTELIGEO and most often involved infection (16% of patients; 30/184). Serious adverse reactions reported in >2% of patients randomized to POTELIGEO were pneumonia (5%), sepsis (4%), pyrexia (4%), and skin infection (3%); other serious adverse reactions, each reported in 2% of patients, included hepatitis, pneumonitis, rash, infusion related reaction, lower respiratory tract infection, and renal insufficiency. POTELIGEO was discontinued for adverse reactions in 18% of randomized patients, most often due to rash or drug eruption (7.1%).


Common Adverse Reactions

The most common adverse reactions (reported in ≥20% of patients randomized to POTELIGEO) were rash (including drug eruption), infusion related reactions, fatigue, diarrhea, upper respiratory tract infection and musculoskeletal pain. Other common adverse reactions (reported in ≥10% of patients randomized to POTELIGEO) included skin infection, pyrexia, nausea, edema, thrombocytopenia, headache, constipation, mucositis, anemia, cough and hypertension. Table 1 summarizes common adverse reactions having a ≥2% higher incidence with POTELIGEO than with vorinostat in Trial 1.
Table 1: Common Adverse Reactions (≥10%) with ≥2% Higher Incidence in the POTELIGEO Arm
Adverse Reactions by Body System Adverse reactions include groupings of individual preferred terms. , Includes adverse reactions reported up to 90 days after randomized treatment. POTELIGEO(N=184) Vorinostat(N=186)
All Grades(%) ≥Grade 3(%) All Grades(%) ≥Grade 3(%)
Rash/Drug Eruption includes: dermatitis (allergic, atopic, bullous, contact, exfoliative, infected), drug eruption, palmoplantar keratoderma, rash (generalized, macular, maculopapular, papular, pruritic, pustular), skin reaction, toxic skin eruptionUpper Respiratory Tract Infection includes: laryngitis viral, nasopharyngitis, pharyngitis, rhinitis, sinusitis, upper respiratory tract infection, viral upper respiratory tract infectionSkin Infection includes: cellulitis, dermatitis infected, erysipelas, impetigo, infected skin ulcer, periorbital cellulitis, skin bacterial infection, skin infection, staphylococcal skin infectionMusculoskeletal Pain includes: back pain, bone pain, musculoskeletal chest pain, musculoskeletal pain, myalgia, neck pain, pain in extremityMucositis includes: aphthous stomatitis, mouth ulceration, mucosal inflammation, oral discomfort, oral pain, oropharyngeal pain, stomatitis
Skin and Subcutaneous Tissue Disorders
  Rash, Including Drug Eruption 35 5 11 2
  Drug Eruption 24 5 <1 0
Procedural Complications
  Infusion Related Reaction 33 2 0 0
Infections
  Upper Respiratory Tract Infection 22 0 16 1
  Skin Infection 19 3 13 4
Musculoskeletal and Connective Tissue Disorders
  Musculoskeletal Pain 22 <1 17 3
General Disorders
  Pyrexia 17 <1 7 0
Gastrointestinal
  Mucositis 12 1 6 0

Other Common Adverse Reactions in ≥10% of POTELIGEO Arm Includes grouped terms , From 184 patients randomized to POTELIGEO
  • General disorders: fatigue (31%), edema (16%)
  • Gastrointestinal disorders: diarrhea (28%), nausea (16%), constipation (13%)
  • Blood and lymphatic system disorders: thrombocytopenia (14%), anemia (12%)
  • Nervous system disorders: headache (14%)
  • Vascular disorders: hypertension (10%)
  • Respiratory disorders: cough (11%)

Adverse Reactions in ≥5% but <10% of POTELIGEO Arm ,
  • Infections: candidiasis (9%), urinary tract infection (9%), folliculitis (8%), pneumonia (6%), otitis (5%), herpesvirus infection (5%)
  • Investigations: renal insufficiency (9%), hyperglycemia (9%), hyperuricemia (8%), weight increase (8%), weight decrease (6%), hypomagnesemia (6%)
  • Psychiatric disorders: insomnia (9%), depression (7%)
  • Skin and subcutaneous disorders: xerosis (8%), alopecia (7%)
  • Nervous system disorders: dizziness (8%), peripheral neuropathy (7%)
  • Metabolism and nutrition disorders: decreased appetite (8%)
  • Respiratory disorders: dyspnea (7%)
  • General disorders: chills (7%)
  • Gastrointestinal disorders: vomiting (7%), abdominal pain (5%)
  • Injury, poisoning and procedural complications: fall (6%)
  • Musculoskeletal disorders: muscle spasms (5%)
  • Cardiovascular disorders: arrhythmia (5%)
  • Eye disorders: conjunctivitis (5%)

Selected Other Adverse Reactions ,
  • Tumor lysis syndrome (<1%)
  • Myocardial ischemia or infarction (<1%)
  • Cardiac failure (<1%)
  • Cytomegalovirus infection (<1%)

Table 2 summarizes common treatment-emergent laboratory abnormalities having a ≥2% higher incidence with POTELIGEO than with vorinostat.
Table 2: Common New or Worsening Laboratory Abnormalities (≥10%) with ≥2% Higher Incidence in the POTELIGEO Arm
Laboratory Test Includes laboratory abnormalities, reported up to 90 days after treatment, that are new or worsening in grade or with worsening from baseline unknown. POTELIGEO(N=184) Vorinostat(N=186)
All Grades(%) ≥Grade 3(%) All Grades(%) ≥Grade 3(%)
Chemistry
   Albumin Decreased 34 2 27 3
  Calcium Decreased 30 3 20 2
  Uric Acid Increased 29 29 11 11
  Phosphate Decreased 27 5 26 5
  Magnesium Decreased 17 <1 8 <1
  Glucose Decreased 14 0 8 <1
  Calcium Increased 12 <1 8 <1
Hematology
  CD4 Lymphocytes Decreased Out of 99 evaluable recipients of POTELIGEO and 36 evaluable recipients of vorinostat. 63 43 17 8
  Lymphocytes Decreased 31 16 12 4
  White Blood Cells Decreased 33 2 18 2

Other common treatment-emergent laboratory abnormalities in the POTELIGEO arm included hyperglycemia (52%; 4% Grade 3-4), anemia (35%; 2% Grade 3-4), thrombocytopenia (29%, none Grade 3-4), aspartate transaminase (AST) increased (25%; 2% Grade 3-4), alanine transaminase (ALT) increased (18%; 1% Grade 3-4), alkaline phosphatase increased (17%; 0% Grade 3-4), and neutropenia (10%; 2% Grade 3-4). Grade 4 treatment-emergent laboratory abnormalities observed in ≥1% of the POTELIGEO arm included lymphopenia (5%), leukopenia (1%), and hypophosphatemia (1%).

6.2Immunogenicity


As with all therapeutic proteins, there is a potential for immunogenicity. The detection of antibody formation is highly dependent on the sensitivity and specificity of the assay. Additionally, the observed incidence of antibody (including neutralizing antibody) positivity in an assay may be influenced by several factors, including assay methodology, sample handling, timing of sample collection, concomitant medications, and underlying disease. For these reasons, comparison of incidence of antibodies to POTELIGEO with the incidences of antibodies in other studies or to other products may be misleading.

Among 313 patients treated with POTELIGEO and whose antibodies were tested, 44 (14.1%) tested positive for anti-mogamulizumab-kpkc antibodies. There was no identified clinically significant effect of anti-drug antibodies on pharmacokinetics, safety, or effectiveness of POTELIGEO. There were no positive neutralizing antibody responses.

6.3Postmarketing Experience


The following adverse reactions have been identified during post-approval use of POTELIGEO. 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.
  • Infections: Hepatitis B virus reactivation
  • Cardiac disorders: Stress cardiomyopathy

8 Use In Specific Populations


8.1 Pregnancy


Risk Summary

There are no available data on POTELIGEO use in pregnant women to inform a drug-associated risk of major birth defects and miscarriage. In an animal reproduction study, administration of mogamulizumab-kpkc to pregnant cynomolgus monkeys from the start of organogenesis through delivery did not show a potential for adverse developmental outcomes at maternal systemic exposures 27 times the exposure in patients at the recommended dose, based on AUC (see Data ). In general, IgG molecules are known to cross the placental barrier and in the monkey reproduction study mogamulizumab-kpkc was detected in fetal plasma. Therefore, POTELIGEO has the potential to be transmitted from the mother to the developing fetus. POTELIGEO is not recommended during pregnancy or in women of childbearing potential not using contraception.

The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated background risks of major birth defects and miscarriage in clinically recognized pregnancies are 2-4% and 15-20%, respectively.


Data


Animal Data

The effects of mogamulizumab-kpkc on embryo-fetal development were evaluated in 12 pregnant cynomolgus monkeys that received mogamulizumab-kpkc once weekly by intravenous administration from the start of organogenesis through delivery at an exposure level 27 times higher than the clinical dose. Mogamulizumab-kpkc administration did not show a potential for embryo-fetal lethality, teratogenicity, or fetal growth retardation and did not result in spontaneous abortion or increased fetal death. In surviving fetuses (10 of 12 compared with 11 of 12 in the control group) of cynomolgus monkeys treated with mogamulizumab-kpkc, a decrease in CCR4-expressing lymphocytes due to the pharmacological activity of mogamulizumab-kpkc was noted; there were no apparent mogamulizumab-kpkc -related external, visceral, or skeletal abnormalities.

8.2 Lactation



Risk Summary

There is no information regarding the presence of POTELIGEO in human milk, the effects on the breastfed child, or the effects on milk production. The developmental and health benefits of breastfeeding should be considered along with the mother's clinical need for POTELIGEO and any potential adverse effects on the breastfed child from POTELIGEO or from the underlying maternal condition.

8.3 Females and Males of Reproductive Potential


POTELIGEO is not recommended during pregnancy or in women of childbearing potential not using contraception.


Pregnancy Testing

For females of reproductive potential, verify pregnancy status prior to initiating POTELIGEO.


Contraception

Advise females of reproductive potential to use effective contraception during treatment with POTELIGEO and for 3 months following the last dose of POTELIGEO.

8.4 Pediatric use


The safety and effectiveness of POTELIGEO in pediatric patients have not been established.

8.5 Geriatric use


Of 319 patients with MF or SS who received POTELIGEO in Trial 1, 162 (51%) were ≥65 years. No overall differences in effectiveness were observed between these patients and younger patients. In patients aged ≥65, Grade 3 or higher adverse reactions were reported in 45% and serious adverse reactions in 36%, whereas in patients aged <65, Grade 3 or higher adverse reactions were reported in 36% and serious adverse reactions in 29%.

11 Description


Mogamulizumab-kpkc is a recombinant humanized monoclonal antibody that targets CC chemokine receptor 4 (CCR4)-expressing cells. Mogamulizumab-kpkc is an IgG1 kappa immunoglobulin that has a calculated molecular mass of approximately 149 kDa. Mogamulizumab-kpkc is produced by recombinant DNA technology in Chinese hamster ovary cells.

POTELIGEO (mogamulizumab-kpkc) injection is a sterile, ready-to-use, preservative-free, clear to slightly opalescent colorless solution in a single-dose vial for dilution prior to intravenous infusion. Each vial contains 20 mg of mogamulizumab-kpkc in 5 mL of solution. Each mL of solution contains 4 mg of mogamulizumab-kpkc and is formulated in: citric acid monohydrate (0.44 mg), glycine (22.5 mg), polysorbate 80 (0.2 mg), and Water for Injection, USP. May contain hydrochloric acid/sodium hydroxide to adjust pH to 5.5.

12 Clinical Pharmacology


12.1 Mechanism of Action


Mogamulizumab-kpkc is a defucosylated, humanized IgG1 kappa monoclonal antibody that binds to CCR4, a G protein-coupled receptor for CC chemokines that is involved in the trafficking of lymphocytes to various organs. Non-clinical in vitro studies demonstrate mogamulizumab-kpkc binding targets a cell for antibody-dependent cellular cytotoxicity (ADCC) resulting in depletion of the target cells. CCR4 is expressed on the surface of some T-cell malignancies and is expressed on regulatory T-cells (Treg) and a subset of Th2 T-cells.

12.2 Pharmacodynamics


Mogamulizumab-kpkc exposure-response relationships and the time course of pharmacodynamics response are unknown.

12.3 Pharmacokinetics


Mogamulizumab-kpkc pharmacokinetics (PK) was evaluated in patients with T-cell malignancies. Parameters are presented as the geometric mean [% coefficient of variation (%CV)] unless otherwise specified. Mogamulizumab-kpkc concentrations increased proportionally with dose over the dose range of 0.01 to 1.0 mg/kg (0.01 to 1 times the approved recommended dosage).

Following repeated dosing of the approved recommended dosage, steady state concentrations were reached after 8 doses (12 weeks), and the systemic accumulation was 1.6-fold. At steady state, the peak concentration (Cmax,ss) is 32 (68%) µg/mL, the trough concentration (Cmin,ss) is 11 (239%) µg/mL, and AUCss is 5,577 (125%) µg∙hr/mL.


Distribution

The central volume of distribution is 3.6 L (20%).


Elimination

The terminal half-life is 17 days (66%), and the clearance is 12 mL/h (84%).


Specific Populations:

No clinically significant changes in the PK of mogamulizumab-kpkc were observed based on age (range: 22 to 101 years), sex, ethnicity, renal impairment (creatinine clearance <90 mL/min, estimated by Cockcroft-Gault), mild (total bilirubin ≤ ULN and AST <ULN, or total bilirubin <1 to 1.5 times ULN and any AST) or moderate (total bilirubin >1.5 to 3 times ULN and any AST) hepatic impairment, disease subtype (MF or SS), degree of CCR4 expression, or ECOG status. The effect of severe hepatic impairment (total bilirubin >3 times ULN and any AST) on mogamulizumab-kpkc PK is unknown.


Drug Interaction Studies

No drug interaction studies have been conducted with POTELIGEO.

13 Nonclinical Toxicology


13.1 Carcinogenesis, Mutagenesis, and Impairment of Fertility


No carcinogenicity or genotoxicity studies have been conducted with POTELIGEO.

No specific studies have been conducted to evaluate potential effects of POTELIGEO on fertility. No mogamulizumab-kpkc -related toxic effects in the male and female reproductive organs were observed in sexually mature monkeys in repeat-dose toxicology studies up to 26 weeks in duration.

14 Clinical Studies



Trial 1

A randomized, open-label, multicenter trial (Study 0761-010; NCT01728805) evaluated the efficacy of POTELIGEO in adult patients with MF or SS after at least one prior systemic therapy. The trial randomized 372 patients 1:1 to either POTELIGEO (186 patients; 56% with MF, 44% with SS) or vorinostat (186 patients; 53% with MF, 47% with SS). The trial included patients regardless of tumor CCR4 expression status and excluded patients with histologic transformation, prior allogeneic HSCT, autologous HSCT within 90 days, active autoimmune disease, or active infection. The trial required patients to have ANC ≥1,500/µL (≥1,000/µL if bone marrow was involved), platelet count ≥100,000/µL (≥75,000/µL if bone marrow was involved), creatinine clearance >50 mL/min or serum creatinine ≤1.5 mg/dL and hepatic transaminases ≤2.5 times ULN (≤5 times ULN if lymphomatous liver infiltration).

The dose of POTELIGEO was 1 mg/kg administered intravenously over at least 60 minutes on days 1, 8, 15, and 22 of the first 28-day cycle and on days 1 and 15 of each subsequent cycle. Vorinostat was dosed at 400 mg orally once daily, continuously for 28-day cycles. Treatment continued until disease progression or unacceptable toxicity. Vorinostat-treated patients with disease progression or unacceptable toxicities were permitted to cross over to POTELIGEO.

The median age was 64 years (range: 25 to 101), 58% of patients were male, and 70% were white. At study baseline, 38% had stage IB-II disease, 10% stage III, and 52% stage IV. The median number of prior systemic therapies was 3. In the POTELIGEO arm, baseline CCR4 expression status by immunohistochemistry was available in 140 patients (75%), of whom all had CCR4 detected on ≥1% of lymphocytes on skin biopsy, and 134/140 (96%) had CCR4 detected on ≥10% of the lymphocytes. CCR4 expression status was similar in the vorinostat arm.

During randomized treatment, the median duration of exposure to POTELIGEO was 5.6 months (range: <1 to 45.3 months), with 48% of patients with at least 6 months of exposure and 23% with at least 12 months of exposure. The median duration of exposure to vorinostat was 2.8 months (range: <1 to 34.8 months), with 22% of patients with at least 6 months of exposure.

Efficacy was based on investigator-assessed progression-free survival (PFS), which was defined as the time from the date of randomization until documented progression of disease or death. Other efficacy measures included overall response rate (ORR) based on global composite response criteria that combine measures from each disease compartment (skin, blood, lymph nodes and viscera). Responses required confirmation at two successive disease assessments, which included the modified Severity Weighted Assessment Tool, skin photographs, central flow cytometry, and computed tomography.

The trial demonstrated that POTELIGEO significantly prolonged PFS compared to vorinostat (Table 3). The Kaplan-Meier curve for PFS by Investigator is shown in Figure 1. The estimated median follow-up for investigator-assessed PFS was 13 months in the POTELIGEO arm and 10.4 months in the vorinostat arm. By independent review committee assessment, the estimated median PFS was 6.7 months (95% CI, 5.6 to 9.4) in the POTELIGEO arm and 3.8 months (95% CI, 3.0 to 4.7) in the vorinostat arm (hazard ratio 0.64; 95% CI: 0.49, 0.84).

Figure 1 Kaplan-Meier Curve for Progression-Free Survival per Investigator

Table 3 also summarizes investigator-assessed confirmed response rates, overall and by disease compartment. The trial demonstrated improvement in ORR with POTELIGEO.
Table 3 Efficacy of Randomized Treatment (Trial 1)
Outcome per Investigator POTELIGEON=186 VorinostatN=186
CI=confidence interval; CR=complete response; NE=not estimable; PR=partial response
PFS
Number of events, n 110 131
  Progressive disease 104 128
  Death 6 3
Median PFS (95% CI) (months) Kaplan-Meier estimate. 7.6 (5.6, 10.2) 3.1 (2.8, 4.0)
Hazard ratio (95% CI)Log rank p-value 0.53 (0.41, 0.69)<.001
Overall response rate (confirmed CR + PR), n (%) Based on Global Composite Response score. , Responses in blood and skin must have persisted for at least 4 weeks to be considered confirmed and were evaluated every 4 weeks for the first year. Responses in lymph nodes, visceral disease and overall were evaluated every 8 weeks for the first year. 52 (28) 9 (5)
  95% CI (22, 35) (2, 9)
  P-value From Cochran-Mantel-Haenszel test adjusted for disease type, stage, and region. <.001
Duration of overall response (months)
  Median (95% CI) 13.9 (9.3, 18.9) 9.0 (4.6, NE)
Confirmed best overall response
  CR, n (%) 4 (2) 0 (0)
    95% CI (1, 5) (0, 2)
  PR, n (%) 47 (25) 9 (5)
    95% CI (20, 33) (2, 9)
Response by compartment (confirmed CR + PR)
  Blood n=124 n=125
    Response rate, n (%) 83 (67) 23 (18)
    95% CI (58, 75) (12, 26)
  Skin n=186 n=186
    Response rate, n (%) 78 (42) 29 (16)
    95% CI (35, 49) (11, 22)
  Lymph nodes n=136 n=133
    Response rate, n (%) 21 (15) 5 (4)
    95% CI (10, 23) (1, 9)
  Viscera n=6 n=4
    Response rate, n (%) 0 (0) 0 (0)
    95% CI (0, 46) (0, 60)

16 How Supplied/storage And Handling


POTELIGEO (mogamulizumab-kpkc) injection is a sterile, preservative-free, clear to slightly opalescent colorless solution supplied in a carton containing one 20 mg/5 mL (4 mg/mL), single-dose glass vial (NDC 42747-761-01).

STORAGE AND HANDLING SECTION


Store vials under refrigeration at 2°C to 8°C (36°F to 46°F) in original package to protect from light until time of use. Do not freeze. Do not shake.

17 Patient Counseling Information


Advise the patient to read the FDA-approved patient labeling (Patient Information).

Inform patients of the risk of the following adverse reactions that may require additional treatment and/or withholding or discontinuation of POTELIGEO including:
  • Dermatological Toxicity: Advise patients to contact their healthcare provider immediately for new or worsening skin rash [see Warnings and Precautions (5.1) ]. Advise patients that the rash can happen at any time while receiving POTELIGEO.
  • Infusion Reactions: Advise patients to contact their healthcare provider immediately for signs or symptoms of infusion reactions [see Warnings and Precautions (5.2) ].
  • Infections: Advise patients to contact their health care provider for fever or other evidence of infection [see Warnings and Precautions (5.3) ].
  • Autoimmune Complications: Advise patients to notify their healthcare provider of any history of autoimmune disease [see Warnings and Precautions (5.4) ].
  • Complications of Allogeneic HSCT after POTELIGEO: Advise patients of potential risk of post-transplant complications [see Warnings and Precautions (5.5) ].
  • Females of Reproductive Potential: Advise use of effective contraception during treatment with POTELIGEO and for 3 months following the last dose of POTELIGEO [see Use in Specific Populations (8.3) ].


POTELIGEO® (mogamulizumab-kpkc)Manufactured by: Kyowa Kirin, Inc. Princeton, NJ 08540US License No. 2077

Spl Patient Package Insert Section

This Patient Information has been approved by the U.S. Food and Drug Administration. Issued: 3/2023
PATIENT INFORMATIONPOTELIGEO® (poe–te–lig'–ee–oh) (mogamulizumab-kpkc)injection, for intravenous use
What is the most important information I should know about POTELIGEO?POTELIGEO may cause serious side effects that can be severe, life-threatening or lead to death. Call or see your healthcare provider right away if you develop any symptoms of the following problems or if these symptoms get worse:
  • Skin problems. Signs and symptoms of skin reactions may include:
  • skin pain
  • itching
  • skin bulering or peeling
  • rash
  • painful sores or ulcers in your mouth, nose, throat, or genital area
  • Infusion reactions. Signs and symptoms of infusion reactions may include:
  • chills or shaking
  • redness on your face (flushing)
  • itching or rash
  • shortness of breath, coughing, or wheezing
  • dizziness
  • feeling like passing out
  • tiredness
  • fever
  • Infections. Signs and symptoms of infection may include:
  • fever, sweats, or chills
  • nausea
  • flu-like symptoms
  • sore throat or difficulty swallowing
  • shortness of breath
  • diarrhea or stomach pain
  • cough
  • Autoimmune problems. Some people receiving POTELIGEO develop autoimmune problems (a condition where the immune cells in your body attack other cells or organs in the body). Some people who already have an autoimmune disease may get worse during treatment with POTELIGEO.
  • Complications of stem cell transplantation that uses donor stem cells (allogeneic) after treatment with POTELIGEO. These complications can be severe and can lead to death. Your healthcare provider will monitor you for signs of complications if you have an allogeneic stem cell transplant.
Getting medical treatment right away may help keep these problems from becoming more serious. Your healthcare provider will check you for these problems during treatment with POTELIGEO. Your healthcare provider may need to delay or completely stop treatment with POTELIGEO if you have severe side effects.
What is POTELIGEO? POTELIGEO is a prescription medicine used to treat mycosis fungoides (MF) or Sézary syndrome (SS) in adults when you have tried at least one prior medicine (taken by mouth or injection) and it did not work or the disease has come back.It is not known if POTELIGEO is safe and effective in children.
Before receiving POTELIGEO treatment, tell your healthcare provider about all your medical conditions, including if you:
  • have had a severe skin reaction after receiving POTELIGEO.
  • have had an infusion-related reaction during or after receiving POTELIGEO.
  • have or have had liver problems including hepatitis B (HBV) infection.
  • have a history of autoimmune problems
  • have undergone or plan to have a stem cell transplant, using stem cells from a donor.
  • have lung or breathing problems
  • are pregnant or plan to become pregnant. It is not known if POTELIGEO will harm your unborn baby.
    • If you are able to become pregnant, your healthcare provider will do a pregnancy test before you start treatment with POTELIGEO.
    • Females who are able to become pregnant should use an effective method of birth control during treatment with POTELIGEO and for 3 months after the last dose of POTELIGEO. Talk to your healthcare provider about birth control methods that you can use during this time. Tell your healthcare provider right away if you become pregnant during treatment with POTELIGEO.
  • are breastfeeding or plan to breastfeed. It is not known if POTELIGEO passes into your breast milk Talk to your healthcare provider about the best way to feed your baby during treatment with POTELIGEO.
Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.
How will I receive POTELIGEO?
  • Your healthcare provider will give you POTELIGEO into your vein through an intravenous (IV) line over at least 60 minutes.
  • POTELIGEO is usually given on days 1, 8, 15, and 22 of the first 28-day cycle, then on days 1 and 15 of each 28-day cycle thereafter.
  • Your healthcare provider will decide how many treatments you need based on how well you respond and tolerate the treatment.
  • If you miss any appointments call your healthcare provider as soon as possible.
What are the possible side effects of POTELIGEO?POTELIGEO may cause serious side effects including: The most common side effects of POTELIGEO include:
  • rash
  • tiredness
  • diarrhea
  • muscle and bone pain
  • upper respiratory tract infection
These are not all the possible side effects of POTELIGEO. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
General information about the safe and effective use of POTELIGEO. Medicines are sometimes prescribed for purposes other than those uled in a Patient Information leaflet. You can ask your healthcare provider or pharmacist for information about POTELIGEO that is written for healthcare professionals.
What are the ingredients in POTELIGEO? Active ingredient: mogamulizumab-kpkcInactive ingredients: citric acid monohydrate, glycine, polysorbate 80, and Water for Injection, USP. Manufactured by: Kyowa Kirin, Inc., Princeton, NJ 08540 U.S. License No. 2077POTELIGEO is a registered trademark of Kyowa Kirin, Inc. For more information, call 1-844-768-3544 or go to www.POTELIGEO.com.

Principal Display Panel - 4 Mg/ml Vial Carton


Rx only

NDC 42747-761-01

POTELIGEO ® (mogamulizumab-kpkc)

Injection

20 mg/5 mL(4 mg/mL)

For Intravenous Infusion

Single-dose vial.Discard unused portion.

DISCLAIMER:

"This tool does not provide medical advice, and is for informational and educational purposes only, and is not a substitute for professional medical advice, treatment or diagnosis. Call your doctor to receive medical advice. If you think you may have a medical emergency, please dial 911."

"Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated. We may limit or otherwise restrict your access to the API in line with our Terms of Service."

"This product uses publicly available data from the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product."

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