Cotellic [cotellic + Zelboraf]
(cobimetinib)Dosage & Administration
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Cotellic [Cotellic + Zelboraf] Prescribing Information
Unresectable or Metastatic Melanoma
COTELLIC® is indicated for the treatment of adult patients with unresectable or metastatic melanoma with a BRAF V600E or V600K mutation, in combination with vemurafenib.
Histiocytic Neoplasms
COTELLIC®, as a single agent, is indicated for the treatment of adult patients with histiocytic neoplasms.
Patient Selection for Treatment of Melanoma
Confirm the presence of BRAF V600E or V600K mutation in tumor specimens prior to initiation of treatment with COTELLIC with vemurafenib. Information on FDA-approved tests for the detection of BRAF V600 mutations in melanoma is available at: http://www.fda.gov/CompanionDiagnostics.
Recommended Dosage
The recommended dosage regimen of COTELLIC is 60 mg (three 20 mg tablets) orally taken once daily for the first 21 days of each 28-day cycle until disease progression or unacceptable toxicity [see Clinical Studies (14)].
Take COTELLIC with or without food [see Clinical Pharmacology (12.3)].
If a dose of COTELLIC is missed or if vomiting occurs when the dose is taken, resume dosing with the next scheduled dose.
Dose Modifications
Concurrent CYP3A Inhibitors
Do not take strong or moderate CYP3A inhibitors while taking COTELLIC.
If concurrent short term (14 days or less) use of moderate CYP3A inhibitors is unavoidable for patients who are taking COTELLIC 60 mg, reduce COTELLIC dose to 20 mg. After discontinuation of a moderate CYP3A inhibitor, resume previous dose of COTELLIC 60 mg [see Drug Interactions (7.1) and Clinical Pharmacology (12.3)].
Use an alternative to a strong or moderate CYP3A inhibitor in patients who are taking a reduced dose of COTELLIC (40 or 20 mg daily) [see Drug Interactions (7.1) and Clinical Pharmacology (12.3)].
Adverse Reactions
Review the Full Prescribing Information for vemurafenib for recommended dose modifications.
| First Dose Reduction | 40 mg orally once daily |
| Second Dose Reduction | 20 mg orally once daily |
| Subsequent Modification | Permanently discontinue COTELLIC if unable to tolerate 20 mg orally once daily |
| Severity of Adverse Reaction * | Dose Modification for COTELLIC |
|---|---|
| |
| New Primary Malignancies (cutaneous and non-cutaneous) | No dose modification is required. |
| Hemorrhage | |
| Grade 3 | Withhold COTELLIC for up to 4 weeks.
|
| Grade 4 | Permanently discontinue. |
| Cardiomyopathy | |
| Asymptomatic, absolute decrease in LVEF from baseline of greater than 10% and less than institutional lower limit of normal (LLN) | Withhold COTELLIC for 2 weeks; repeat LVEF. Resume at next lower dose if all of the following are present:
Permanently discontinue if any of the following are present:
|
| Symptomatic LVEF decrease from baseline | Withhold COTELLIC for up to 4 weeks, repeat LVEF. Resume at next lower dose if all of the following are present:
Permanently discontinue if any of the following are present:
|
| Dermatologic Reactions | |
| Grade 2 (intolerable), Grade 3 or 4 | Withhold or reduce dose. |
| Serous Retinopathy or Retinal Vein Occlusion | |
| Serous retinopathy | Withhold COTELLIC for up to 4 weeks.
|
| Retinal vein occlusion | Permanently discontinue COTELLIC. |
| Liver Laboratory Abnormalities and Hepatotoxicity | |
| First occurrence Grade 4 | Withhold COTELLIC for up to 4 weeks.
|
| Recurrent Grade 4 | Permanently discontinue COTELLIC. |
| Rhabdomyolysis and Creatine Phosphokinase (CPK) elevations | |
| Withhold COTELLIC for up to 4 weeks.
|
| Photosensitivity | |
| Grade 2 (intolerable), Grade 3 or Grade 4 | Withhold COTELLIC for up to 4 weeks.
|
| Other | |
| Withhold COTELLIC for up to 4 weeks.
|
| First occurrence of any Grade 4 adverse reaction |
|
| Recurrent Grade 4 adverse reaction | Permanently discontinue COTELLIC. |
Tablets: 20 mg, white, round, film-coated, debossed on one side with "COB".
Pregnancy
Risk Summary
Based on findings from animal reproduction studies and its mechanism of action, COTELLIC can cause fetal harm when administered to a pregnant woman [see Clinical Pharmacology (12.1)]. There are no available data on the use of COTELLIC during pregnancy. In animal reproduction studies, oral administration of cobimetinib in pregnant rats during organogenesis was teratogenic and embryotoxic at exposures (AUC) that were 0.9 to 1.4-times those observed in humans at the recommended human dose of 60 mg [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.
Data
Animal Data
Administration of cobimetinib to pregnant rats during the period of organogenesis resulted in increased post-implantation loss, including total litter loss, at exposures (AUC) of 0.9–1.4 times those in humans at the recommended dose of 60 mg. Post-implantation loss was primarily due to early resorptions. Fetal malformations of the great vessels and skull (eye sockets) occurred at the same exposures.
Lactation
Risk Summary
There is no information regarding the presence of cobimetinib in human milk, effects on the breastfed infant, or effects on milk production. Because of the potential for serious adverse reactions in a breastfed infant, advise a nursing woman not to breastfeed during treatment with COTELLIC and for 2 weeks after the final dose.
Females and Males of Reproductive Potential
Contraception
Females
COTELLIC can cause fetal harm when administered to a pregnant woman [see Use in Specific Populations (8.1)]. Advise females of reproductive potential to use effective contraception during treatment with COTELLIC and for 2 weeks after the final dose of COTELLIC.
Infertility
Females and Males
Based on findings in animals, COTELLIC may reduce fertility in females and males of reproductive potential [see Nonclinical Toxicology (13.1)].
Pediatric Use
The safety and effectiveness of COTELLIC have not been established in pediatric patients.
The safety and effectiveness of COTELLIC were assessed, but not established, in a multi-center, open-label, dose-escalation study in 55 pediatric patients aged 2 to 17 years with solid tumors [NCT02639546]. No new safety events were observed in pediatric patients in this trial.
Exposure in pediatric patients who received COTELLIC at the maximum tolerated dosage were lower than those previously observed in adults who received the approved recommended dosage.
Juvenile Animal Data
In a 4-week juvenile rat toxicology study, daily oral doses of 3 mg/kg (approximately 0.13–0.5 times the adult human AUC at the recommended dose of 60 mg) between postnatal Days 10–17 (approximately equivalent to ages 1–2 years in humans) were associated with mortality, the cause of which was not defined.
Geriatric Use
Clinical studies of COTELLIC did not include sufficient numbers of patients aged 65 years and older to determine whether they respond differently from younger patients.
Hepatic Impairment
Adjustment in the starting dose of COTELLIC is not required in patients with mild (Child-Pugh score A), moderate (Child-Pugh B) or severe (Child-Pugh C) hepatic impairment [see Clinical Pharmacology (12.3)].
Renal Impairment
No dedicated pharmacokinetic trial in patients with renal impairment has been conducted. Dose adjustment is not recommended for mild to moderate renal impairment (CLcr 30 to 89 mL/min) based on the results of the population pharmacokinetic analysis. A recommended dose has not been established for patients with severe renal impairment [see Clinical Pharmacology (12.3)].
None.
Review the Full Prescribing Information for vemurafenib for information on the serious risks of vemurafenib.
New Primary Malignancies
New primary malignancies, cutaneous and non-cutaneous, can occur with COTELLIC.
Cutaneous Malignancies:
In Trial 1, the following cutaneous malignancies or premalignant conditions occurred in the COTELLIC with vemurafenib arm and the vemurafenib arm, respectively: cutaneous squamous cell carcinoma (cuSCC) or keratoacanthoma (KA) (6% and 20%), basal cell carcinoma (4.5% and 2.4%), and second primary melanoma (0.8% and 2.4%). Among patients receiving COTELLIC with vemurafenib, the median time to detection of first cuSCC/KA was 4 months (range: 2 to 11 months), and the median time to detection of basal cell carcinoma was 4 months (range: 27 days to 13 months). The time to onset in the two patients with second primary melanoma was 9 months and 12 months.
Perform dermatologic evaluations prior to initiation of therapy and every 2 months while on therapy. Manage suspicious skin lesions with excision and dermatopathologic evaluation. No dose modifications are recommended for COTELLIC [see Dosage and Administration (2.3)]. Conduct dermatologic monitoring for 6 months following discontinuation of COTELLIC when administered with vemurafenib.
Non-Cutaneous Malignancies:
Based on its mechanism of action, vemurafenib may promote growth and development of malignancies [refer to the Full Prescribing Information for vemurafenib]. In Trial 1, 0.8% of patients in the COTELLIC with vemurafenib arm and 1.2% of patients in the vemurafenib arm developed non-cutaneous malignancies.
Monitor patients receiving COTELLIC, when administered with vemurafenib, for signs or symptoms of non-cutaneous malignancies.
Hemorrhage
Hemorrhage, including major hemorrhages defined as symptomatic bleeding in a critical area or organ, can occur with COTELLIC.
In Trial 1, the incidence of Grade 3–4 hemorrhages was 1.2% in patients receiving COTELLIC with vemurafenib and 0.8% in patients receiving vemurafenib. Hemorrhage (all grades) was 13% in patients receiving COTELLIC with vemurafenib and 7% in patients receiving vemurafenib. Cerebral hemorrhage occurred in 0.8% of patients receiving COTELLIC with vemurafenib and in none of the patients receiving vemurafenib. Gastrointestinal tract hemorrhage (3.6% vs 1.2%), reproductive system hemorrhage (2.0% vs 0.4%), and hematuria (2.4% vs 0.8%) also occurred at a higher incidence in patients receiving COTELLIC with vemurafenib compared with patients receiving vemurafenib.
In Trial 2, in patients with histiocytic neoplasms, 19% of patients experienced hemorrhage events (all were of grade 1 severity).
Withhold COTELLIC for Grade 3 hemorrhagic events. If improved to Grade 0 or 1 within 4 weeks, resume COTELLIC at a lower dose level. Discontinue COTELLIC for Grade 4 hemorrhagic events and any Grade 3 hemorrhagic events that do not improve [see Dosage and Administration (2.3)].
Cardiomyopathy
Cardiomyopathy, defined as symptomatic and asymptomatic decline in left ventricular ejection fraction (LVEF), can occur with COTELLIC. The safety of COTELLIC has not been established in patients with a baseline LVEF that is either below institutional lower limit of normal (LLN) or below 50%.
In Trial 1, patients were assessed for decreases in LVEF by echocardiograms or MUGA at baseline, Week 5, Week 17, Week 29, Week 43, and then every 4 to 6 months thereafter while receiving treatment. Grade 2 or 3 decrease in LVEF occurred in 26% of patients receiving COTELLIC with vemurafenib and 19% of patients receiving vemurafenib. The median time to first onset of LVEF decrease was 4 months (range 23 days to 13 months). Of the patients with decreased LVEF, 22% had dose interruption and/or reduction and 14% required permanent discontinuation. Decreased LVEF resolved to above the LLN or within 10% of baseline in 62% of patients receiving COTELLIC with a median time to resolution of 3 months (range: 4 days to 12 months).
In Trial 2, in patients with histiocytic neoplasms, 8% of patients experienced grade 2 ejection fraction decreased and 12% experienced grade 3-4 events. The median time to first onset of LVEF decrease was 29 days (range 22 days to 114 days). Of the patients with decreased LVEF, all had dose interruption and/or reduction and none required permanent discontinuation. Decreased LVEF resolved to above the LLN or within 10% of baseline in 60% of patients receiving COTELLIC with a median time to resolution of 31 days (range: 13 days to 126 days).
Evaluate LVEF prior to initiation, 1 month after initiation, and every 3 months thereafter until discontinuation of COTELLIC. Manage events of left ventricular dysfunction through treatment interruption, reduction, or discontinuation [see Dosage and Administration (2.3)]. In patients restarting COTELLIC after a dose reduction or interruption, evaluate LVEF at approximately 2 weeks, 4 weeks, 10 weeks, and 16 weeks, and then as clinically indicated.
Severe Dermatologic Reactions
Severe rash and other skin reactions can occur with COTELLIC.
In Trial 1, Grade 3 to 4 rash, occurred in 16% of patients receiving COTELLIC with vemurafenib and in 17% of patients receiving vemurafenib, including Grade 4 rash in 1.6% of patients receiving COTELLIC with vemurafenib and 0.8% of the patients receiving vemurafenib. The incidence of rash resulting in hospitalization was 3.2% in patients receiving COTELLIC with vemurafenib and 2.0% in patients receiving vemurafenib. In patients receiving COTELLIC, the median time to onset of Grade 3 or 4 rash events was 11 days (range: 3 days to 2.8 months). Among patients with Grade 3 or 4 rash events, 95% experienced complete resolution with the median time to resolution of 21 days (range 4 days to 17 months).
In Trial 2, in patients with histiocytic neoplasms, 81% of patients experienced rash events (all were of grade 1-2 severity).
Interrupt, reduce the dose, or discontinue COTELLIC [see Dosage and Administration (2.3)].
Serous Retinopathy and Retinal Vein Occlusion
Ocular toxicities can occur with COTELLIC, including serous retinopathy (fluid accumulation under layers of the retina).
In Trial 1, ophthalmologic examinations including retinal evaluation were performed pretreatment and at regular intervals during treatment. Symptomatic and asymptomatic serous retinopathy was identified in 26% of patients receiving COTELLIC with vemurafenib. The majority of these events were reported as chorioretinopathy (13%) or retinal detachment (12%). The time to first onset of serous retinopathy events ranged between 2 days to 9 months. The reported duration of serous retinopathy ranged between 1 day to 15 months. One patient in each arm developed retinal vein occlusion.
In Trial 2, in patients with histiocytic neoplasms, 4% experienced grade 2 retinopathy and 4% experienced grade 3 retinal vascular disorder.
Perform an ophthalmological evaluation at regular intervals and any time a patient reports new or worsening visual disturbances. If serous retinopathy is diagnosed, interrupt COTELLIC until visual symptoms improve. Manage serous retinopathy with treatment interruption, dose reduction, or with treatment discontinuation [see Dosage and Administration (2.3)].
Hepatotoxicity
Hepatotoxicity can occur with COTELLIC.
The incidences of Grade 3 or 4 liver laboratory abnormalities in Trial 1 among patients receiving COTELLIC with vemurafenib compared to patients receiving vemurafenib were: 11% vs. 5% for alanine aminotransferase, 8% vs. 2.1% for aspartate aminotransferase, 1.6% vs. 1.2% for total bilirubin, and 7% vs. 3.3% for alkaline phosphatase [see Adverse Drug Reactions (6.1)]. Concurrent elevation in ALT >3 times the upper limit of normal (ULN) and bilirubin >2 × ULN in the absence of significant alkaline phosphatase >2 × ULN occurred in one patient (0.4%) receiving COTELLIC with vemurafenib and no patients receiving single-agent vemurafenib.
In Trial 2, in patients with histiocytic neoplasms, 9% of the patients receiving COTELLIC experienced grade 3 or 4 aspartate aminotransferase increased and 5% of the patients experienced grade 3 or 4 alanine aminotransferase increased.
Monitor liver laboratory tests before initiation of COTELLIC and monthly during treatment, or more frequently as clinically indicated. Manage Grade 3 and 4 liver laboratory abnormalities with dose interruption, reduction, or discontinuation of COTELLIC [see Dosage and Administration (2.3)].
Rhabdomyolysis
Rhabdomyolysis can occur with COTELLIC.
In Trial 1, Grade 3 or 4 CPK elevations, including asymptomatic elevations over baseline, occurred in 14% of patients receiving COTELLIC with vemurafenib and 0.5% of patients receiving vemurafenib. The median time to first occurrence of Grade 3 or 4 CPK elevations was 16 days (range: 12 days to 11 months) in patients receiving COTELLIC with vemurafenib; the median time to complete resolution was 15 days (range: 9 days to 11 months). Elevation of serum CPK increase of more than 10 times the baseline value with a concurrent increase in serum creatinine of 1.5 times or greater compared to baseline occurred in 3.6% of patients receiving COTELLIC with vemurafenib and in 0.4% of patients receiving vemurafenib.
Obtain baseline serum CPK and creatinine levels prior to initiating COTELLIC, periodically during treatment, and as clinically indicated. If CPK is elevated, evaluate for signs and symptoms of rhabdomyolysis or other causes. Depending on the severity of symptoms or CPK elevation, dose interruption or discontinuation of COTELLIC may be required [see Dosage and Administration (2.3)].
In Trial 2, in patients with histiocytic neoplasms, 27% of patients experienced grade 2 CPK elevation and 27% of patients experienced grade 3-4 CPK elevation.
Severe Photosensitivity
Photosensitivity, including severe cases, can occur with COTELLIC.
In Trial 1, photosensitivity was reported in 47% of patients receiving COTELLIC with vemurafenib: 43% of patients with Grades 1 or 2 photosensitivity and the remaining 4% with Grade 3 photosensitivity. Median time to first onset of photosensitivity of any grade was 2 months (range: 1 day to 14 months) in patients receiving COTELLIC with vemurafenib, and the median duration of photosensitivity was 3 months (range: 2 days to 14 months). Among the 47% of patients with photosensitivity reactions on COTELLIC with vemurafenib, 63% experienced resolution of photosensitivity reactions.
Advise patients to avoid sun exposure, wear protective clothing and use a broad-spectrum UVA/UVB sunscreen and lip balm (SPF ≥30) when outdoors. Manage intolerable Grade 2 or greater photosensitivity with dose modifications [see Dosage and Administration (2.3)].
Embryo-Fetal Toxicity
Based on its mechanism of action and findings from animal reproduction studies, COTELLIC can cause fetal harm when administered to a pregnant woman. In animal reproduction studies, oral administration of cobimetinib in pregnant rats during the period of organogenesis was teratogenic and embryotoxic at doses resulting in exposures [area under the curves (AUCs)] that were 0.9 to 1.4-times those observed in humans at the recommended human dose of 60 mg. Advise pregnant women of the potential risk to a fetus. Advise females of reproductive potential to use effective contraception during treatment with COTELLIC, and for 2 weeks following the final dose of COTELLIC [see Use in Specific Populations (8.1, 8.3), Clinical Pharmacology (12.1)].