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INVOKANA® (canagliflozin)

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  • Benefits investigations & prior authorizations
  • Enroll eligible patients in Savings Program
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Prior Authorization, Exceptions, & Appeals

Prior Authorization, Exceptions, & Appeals

There are 3 primary categories of requests:

  • Prior authorizations
  • Coverage determinations (including exception requests)
  • Appeals

Click here for a brochure that has been developed to help healthcare providers understand the information that payers may require for coverage of medically necessary drug therapies.

Letter of Medical Necessity

Below is a Letter of Medical Necessity template that you can use to create and submit your letter for medical necessity with either the initial claim to support the medical necessity of treatment with INVOKANA® for your patient or submit to support the medical necessity of treatment with INVOKANA® when requesting reconsideration of a denied claim.

Letter of Medical Necessity (editable)

Letter of Exception

Each payer follows a different process when filing exceptions. Below is a Letter of Exception template you can use to create and submit your own exception request letter when requesting an exception for INVOKANA®.

Letter of Exception (editable)

Prior Authorization

A standardized, or "uniform," prior authorization (PA) form may be required in certain states to submit PA requests to a health plan for review, along with the necessary clinical documentation. These standard forms can be used across payers and health benefit managers.

  • Standardized PA Forms are only applicable to prescription drug benefits; they are not applicable to medical services or procedures.
  • Standardized PA Forms are typically not applicable to self-funded employer-sponsored health plans, Medicare Part D plans, and Medicaid fee-for-service plans.

Please visit the Know Your State Interactive Tool to learn what is required for your state.

The information provided is not a guarantee of coverage or payment (partial or full). Actual benefits are determined by each plan administrator in accordance with its respective policy and procedures. This document is presented for informational purposes only and is not intended to provide reimbursement or legal advice, nor does it promise or guarantee coverage, levels of reimbursement, payment, or charge. It is not intended to increase or maximize reimbursement by any payer. Laws, regulations, and policies concerning reimbursement are complex and are updated frequently. While we have made an effort to be current as of the issue date of this document, the information may not be as current or comprehensive when you view it. Please refer to the applicable plan's website, or contact the plan for more information about coverage or any restrictions or prerequisites that may apply. We strongly recommend you consult the payer organization for its reimbursement policies.

Click on the payer link to be taken to the payer's website.

Payer Prior Authorization Information
Aetna Formularies & Pharmacy Clinical Policy Bulletins
Provider Precertification Lists
Health Care Professional Forms: Specialty Pharmacy Medication Request
Prior Authorization Form
Anthem Blue Cross Blue Shield Prescription Prior Authorization
California Prescription Prior Authorization
California Prescription Drug Prior Authorization Request Form
Georgia Prescription Prior Authorization
Blue Cross and Blue Shield of Alabama Prescription Coverage Guidelines (Search by product name)
Provider-Administered Drug Policies and Forms
General Prescription Drug Coverage Authorization Request Form
Blue Cross and Blue Shield of Florida/Florida Blue Prior Authorization Program Information (Search by product name)
Medical Pharmacy Prior Authorization Lists and Utilization Management
Physician and Provider Forms
Blue Cross and Blue Shield of Illinois Prior Authorization and Step Therapy Programs
Specialty Drug Request Form
Prior Authorization Request Form
Blue Cross Blue Shield of Massachusetts Prior Authorization - Pharmacy
Online Prior Authorization Requests
Blue Cross Blue Shield of Michigan Provider Prior Authorization for Medical Drugs
Prior Authorization and Step Therapy Coverage Criteria
Medication Prior Authorization Request
Blue Cross and Blue Shield of Minnesota Prescription Drugs (Search by product name)
Pharmacy Utilization Management
Tools & Resources for Health Care Providers: Electronic Prior Authorization
Blue Cross and Blue Shield of Montana Prior Authorization and Step Therapy Programs
Provider Forms and Documents
Prior Authorization Request Form
Online Prior Authorization Form
Blue Cross and Blue Shield of New Mexico Prior Authorization and Step Therapy Programs
Prior Authorization Forms (Select pharmacy tab)
Prior Authorization Request Form
Online Prior Authorization Form
Blue Cross and Blue Shield of North Carolina Prior Review and Limitations
Prior Authorization Facsimile Form
Online Prior Authorization Requests
Blue Cross and Blue Shield of Oklahoma Prior Authorization and Step Therapy Programs: Request Forms
Prior Authorization Request Form
Online Prior Authorization Form
BlueCross BlueShield of Tennessee Pharmacy Resources & Forms
Prior Authorization Process for Provider-Administered Specialty Medications
BlueCross BlueShield of Texas Prior Authorization and Step Therapy Programs: Request Forms
Prior Authorization Criteria and Forms for Drugs
Prior Authorization Request Form
Online Prior Authorization Form
CareFirst BlueCross BlueShield Pharmacy Forms
Pharmacy Prior Authorization
Prior Authorization Inquiries and Appeals
Online Prior Authorization Form
Cigna Provider Resources
Pharmacy Resources: Prior Authorization Forms
Medication Prior Authorization Form
CVS Caremark Electronic Prior Authorization Information
Clinical Prior Authorization Criteria Request Form
Prior Authorization for Professionally Administered Drugs
EmblemHealth Pharmacy Resources and Forms
Injectables and Specialty Pharmacy Program and Form
Prior Authorizations/Coverage Determinations
Harvard Pilgrim Health Care, Inc. Medication Request Forms and Clinical Coverage Criteria
Medical Drugs Prior Authorization
Massachusetts Standard Form for Medication Prior Authorization Requests
Health Net Pharmacy and Prior Authorization Forms
Prior Authorization Forms for Specific Drugs
Highmark Blue Cross Blue Shield Prescription Drug Medication Request Form
Provider Resources for Prior Authorization Submissions
Horizon Blue Cross Blue Shield of New Jersey Pharmacy Guidelines
Prior Authorization/Medical Necessity Determination Medicine List
Online Prior Authorization Form
Prior Authorization/Medical Necessity Determination Fax Form
Humana Medical and Pharmacy Coverage Policies
Prescribing Specialty Drugs
Pharmacy Prior Authorizations
Online Pharmacy Prior Authorization Portal (Members)
Independence Blue Cross Prior Authorization: Pharmacy Benefit
Specialty Medical Benefit Drugs (Search by product name)
Prior Authorization Forms
Kaiser Permanente (Kaiser Foundation Health Plan, Inc.)
Kaiser Permanente Washington
Formulary and Formulary Exceptions Form (Select Region)
Injectable Drugs Requiring Prior Authorization (WA members)
Non-Medicare Injectable Drugs Requiring Prior Authorization List (WA members)
Premera Blue Cross Drugs Requiring Approval
Pharmacy Services Prior Authorization Request Form
Wellmark Blue Cross and Blue Shield Provider Drug Information
Provider Prior Authorization

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INDICATIONS

INVOKANA® (canagliflozin) is indicated:

  • as an adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus
  • to reduce the risk of major adverse cardiovascular events (cardiovascular death, nonfatal myocardial infarction, and nonfatal stroke) in adults with type 2 diabetes mellitus and established cardiovascular disease (CVD)
  • to reduce the risk of end-stage kidney disease (ESKD), doubling of serum creatinine, cardiovascular (CV) death, and hospitalization for heart failure in adults with type 2 diabetes mellitus and diabetic nephropathy with albuminuria greater than 300 mg/day

Limitations of Use

INVOKANA® is not recommended in patients with type 1 diabetes mellitus. It may increase the risk of diabetic ketoacidosis in these patients.

INVOKANA® is not recommended for use to improve glycemic control in adults with type 2 diabetes mellitus with an eGFR less than 30 mL/min/1.73 m2. INVOKANA® is likely to be ineffective in this setting based upon its mechanism of action.

IMPORTANT SAFETY INFORMATION

IMPORTANT SAFETY INFORMATION

CONTRAINDICATIONS

  • Serious hypersensitivity reaction to INVOKANA®, such as anaphylaxis or angioedema
  • Patients on dialysis

WARNINGS AND PRECAUTIONS

  • Lower-Limb Amputation: An increased risk of lower-limb amputations associated with INVOKANA® use versus placebo was observed in CANVAS (5.9 vs 2.8 events per 1000 patient-years) and CANVAS-R (7.5 vs 4.2 events per 1000 patient-years), two randomized, placebo-controlled trials evaluating patients with type 2 diabetes who had either established cardiovascular disease or were at risk for cardiovascular disease. The risk of lower-limb amputations was observed at both the 100-mg and 300-mg once-daily dosage regimens.

    Amputations of the toe and midfoot (99 out of 140 patients with amputations receiving INVOKANA® in the two trials) were the most frequent; however, amputations involving the leg, below and above the knee, were also observed (41 out of 140 patients with amputations receiving INVOKANA® in the two trials). Some patients had multiple amputations, some involving both lower limbs.

    Lower-limb infections, gangrene, and diabetic foot ulcers were the most common precipitating medical events leading to the need for an amputation. The risk of amputation was highest in patients with a baseline history of prior amputation, peripheral vascular disease, and neuropathy.

    Before initiating INVOKANA®, consider factors in the patient history that may predispose to the need for amputations, such as a history of prior amputation, peripheral vascular disease, neuropathy, and diabetic foot ulcers. Counsel patients about the importance of routine preventative foot care. Monitor patients for signs and symptoms of infection (including osteomyelitis), new pain or tenderness, sores, or ulcers involving the lower limbs, and discontinue if these complications occur.

  • Volume Depletion: INVOKANA® can cause intravascular volume contraction, which may sometimes manifest as symptomatic hypotension or acute transient changes in creatinine. There have been postmarketing reports of acute kidney injury which are likely related to volume depletion, some requiring hospitalizations and dialysis, in patients with type 2 diabetes mellitus receiving SGLT2 inhibitors, including INVOKANA®. Patients with impaired renal function (eGFR less than 60 mL/min/1.73 m2), elderly patients, or patients on loop diuretics may be at increased risk for volume depletion or hypotension. Before initiating INVOKANA® in patients with one or more of these characteristics, assess and correct volume status. Monitor for signs and symptoms of volume depletion after initiating therapy.
  • Ketoacidosis: Ketoacidosis, a serious life-threatening condition requiring urgent hospitalization, has been identified in patients with type 1 and 2 diabetes mellitus receiving SGLT2 inhibitors, including INVOKANA®. In placebo-controlled trials of patients with type 1 diabetes, the risk of ketoacidosis was increased in patients who received SGLT2 inhibitors compared to patients who received placebo. The risk of ketoacidosis may be greater with higher doses. Fatal cases of ketoacidosis have been reported in patients taking INVOKANA®. Before initiating INVOKANA®, consider factors in patient history that may predispose to ketoacidosis. For patients who undergo scheduled surgery, consider temporarily discontinuing INVOKANA® for at least 3 days prior to surgery. Monitor for ketoacidosis and temporarily discontinue in other clinical situations known to predispose to ketoacidosis. Ensure risk factors for ketoacidosis are resolved prior to restarting therapy. Educate patients on the signs and symptoms of ketoacidosis and instruct patients to discontinue INVOKANA® and seek medical attention immediately if signs and symptoms occur.
  • Urosepsis and Pyelonephritis: Serious urinary tract infections, including urosepsis and pyelonephritis, requiring hospitalization have been reported in patients receiving SGLT2 inhibitors, including INVOKANA®. Treatment with SGLT2 inhibitors increases this risk. Evaluate for signs and symptoms and treat promptly.
  • Hypoglycemia With Concomitant Use With Insulin and Insulin Secretagogues: Insulin and insulin secretagogues are known to cause hypoglycemia. INVOKANA® may increase the risk of hypoglycemia when combined with insulin or an insulin secretagogue. Therefore, a lower dose of insulin or insulin secretagogue may be required to minimize the risk of hypoglycemia when used in combination with INVOKANA®.
  • Necrotizing Fasciitis of the Perineum (Fournier’s Gangrene): Necrotizing fasciitis of the perineum, a rare but serious and life-threatening necrotizing infection requiring urgent surgical intervention, has been identified in postmarketing surveillance in female and male patients with diabetes mellitus receiving SGLT2 inhibitors, including INVOKANA®. Serious outcomes have included hospitalization, multiple surgeries, and death. If suspected, start treatment immediately with broad-spectrum antibiotics and, if necessary, surgical debridement. Discontinue INVOKANA®.
  • Genital Mycotic Infections: INVOKANA® increases risk of genital mycotic infections, especially in uncircumcised males or patients with prior infections. Monitor and treat appropriately.
  • Hypersensitivity Reactions: Hypersensitivity reactions, including angioedema and anaphylaxis, were reported with INVOKANA®; these reactions generally occurred within hours to days after initiation. If reactions occur, discontinue INVOKANA®, treat, and monitor until signs and symptoms resolve.
  • Bone Fracture: Increased risk of bone fracture, occurring as early as 12 weeks after treatment initiation, was observed in patients using INVOKANA®. Prior to initiation, consider factors that contribute to fracture risk.

DRUG INTERACTIONS

  • UGT Enzyme Inducers: Co-administration with rifampin lowered INVOKANA® exposure, which may reduce the efficacy of INVOKANA®. For patients with eGFR ≥60 mL/min/1.73 m2, if an inducer of UGTs (eg, rifampin, phenytoin, phenobarbital, ritonavir) is co-administered with INVOKANA®, increase the dose to 200 mg (taken as two 100 mg tablets) once daily in patients currently tolerating INVOKANA® 100 mg. The dose may be increased to 300 mg once daily in patients currently tolerating INVOKANA® 200 mg and who require additional glycemic control.
    For patients with eGFR <60 mL/min/1.73 m2, if an inducer of UGTs is co-administered with INVOKANA®, increase the dose to 200 mg (taken as two 100 mg tablets) once daily in patients currently tolerating INVOKANA® 100 mg. Consider adding another antihyperglycemic agent in patients who require additional glycemic control.
  • Digoxin: There was an increase in the AUC and mean peak drug concentration of digoxin when co-administered with INVOKANA® 300 mg. Monitor appropriately.
  • Positive Urine Glucose Test: Monitoring glycemic control with urine glucose tests is not recommended in patients taking SGLT2 inhibitors. Use alternative methods to monitor glycemic control.
  • Interference With 1,5-Anhydroglucitol (1,5-AG) Assay: Monitoring glycemic control with 1,5-AG assay is not recommended in patients taking SGLT2 inhibitors. Use alternative methods to monitor glycemic control.

USE IN SPECIFIC POPULATIONS

  • Pregnancy: INVOKANA® is not recommended in pregnant women, especially during the second and third trimesters.
  • Lactation: INVOKANA® is not recommended while breastfeeding.
  • Pediatric Use: Safety and effectiveness in patients <18 years of age have not been established.
  • Geriatric Use: Patients ≥65 years had a higher incidence of adverse reactions related to reduced intravascular volume, particularly with the 300-mg dose; more prominent increase in the incidence was seen in patients who were ≥75 years. Smaller reductions in HbA1c relative to placebo were seen in patients ≥65 years.
  • Renal Impairment: The efficacy and safety of INVOKANA® for glycemic control were evaluated in a trial that included patients with moderate renal impairment (eGFR 30 to <50 mL/min/1.73 m2). These patients had less overall glycemic efficacy, and patients treated with 300 mg per day had increases in serum potassium, which were transient and similar by the end of the study. Patients with renal impairment using INVOKANA® for glycemic control may be more likely to experience hypotension and may be at a higher risk for acute kidney injury. INVOKANA® is contraindicated in patients with ESKD on dialysis.
  • Hepatic Impairment: INVOKANA® has not been studied in patients with severe hepatic impairment and is not recommended in this population.

OVERDOSAGE

  • In the event of an overdose, contact the Poison Control Center and employ the usual supportive measures.

ADVERSE REACTIONS

  • The most common adverse reactions associated with INVOKANA® (5% or greater incidence) were female genital mycotic infections, urinary tract infections, and increased urination.

Please read full Prescribing Information and Medication Guide for INVOKANA®.

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