| Ankylosing spondylitis
Inflectra vs Rayos
Side-by-side clinical, coverage, and cost comparison for ankylosing spondylitis.Deep comparison between: Inflectra vs Rayos with Prescriber.AI
AI compares prescribing info and payer-specific access barriers across 1,200+ formularies. Here's a preview of what prescribers are already asking.Safety signalsRayos has a higher rate of injection site reactions vs Inflectra based on FDA-approved prescribing information
Coverage gaps3 major payers require step therapy for Rayos but not Inflectra, including UnitedHealthcare
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Category
Inflectra
Rayos
At A Glance
IV infusion
Every 6-8 weeks
TNF-alpha antagonist
Oral
Daily
Corticosteroid
Indications
- Ulcerative Colitis
- Rheumatoid Arthritis
- Ankylosing spondylitis
- Arthritis, Psoriatic
- Psoriasis vulgaris
- Dermatitis, Atopic
- Allergic rhinitis (disorder)
- Serum Sickness
- Dermatitis Herpetiformis
- Contact Dermatitis
- Exfoliative dermatitis
- Mycosis Fungoides
- Pemphigus
- Erythema Multiforme
- Congenital Adrenal Hyperplasia
- Hypercalcemia
- thyroiditis; nonsuppurative
- Adrenal gland hypofunction
- Crohn Disease
- Ulcerative Colitis
- Autoimmune hemolytic anemia
- Anemia, Diamond-Blackfan
- Immune thrombocytopenic purpura
- Pure Red-Cell Aplasia
- Acute leukemia
- Lymphoma, Non-Hodgkin
- Multiple Sclerosis
- Cerebral Edema
- Ophthalmia, Sympathetic
- Uveitis
- Chronic Obstructive Airway Disease
- Aspergillosis, Allergic Bronchopulmonary
- Aspiration pneumonitis
- Asthma
- Tuberculosis
- Extrinsic allergic alveolitis
- Bronchiolitis Obliterans Organizing Pneumonia
- Idiopathic eosinophilic pneumonitis
- Idiopathic Pulmonary Fibrosis
- Pneumonia, Lipid
- Sarcoidosis
- Nephrotic Syndrome
- Primary gout
- Ankylosing spondylitis
- Dermatomyositis
- Polymyalgia Rheumatica
- Arthritis, Psoriatic
- Polychondritis, Relapsing
- Rheumatoid Arthritis
- Sjogren's Syndrome
- Lupus Erythematosus, Systemic
- Vasculitis
- Trichinellosis
- Tuberculosis, Meningeal
Dosing
Crohn's Disease, Ulcerative Colitis 5 mg/kg IV at 0, 2, and 6 weeks, then every 8 weeks; regimen applies to adult and pediatric patients >= 6 years.
Rheumatoid Arthritis 3 mg/kg IV at 0, 2, and 6 weeks, then every 8 weeks in combination with methotrexate; may increase up to 10 mg/kg every 8 weeks or as often as every 4 weeks for incomplete response.
Ankylosing spondylitis 5 mg/kg IV at 0, 2, and 6 weeks, then every 6 weeks.
Arthritis, Psoriatic, Psoriasis vulgaris 5 mg/kg IV at 0, 2, and 6 weeks, then every 8 weeks.
All indications Initial dose 5-60 mg once daily with food; RAYOS releases active substance approximately 4 hours after intake. Titrate to lowest effective maintenance dose; withdraw gradually after long-term or high-dose therapy.
Contraindications
- Doses >5 mg/kg in patients with moderate or severe heart failure
- Previous severe hypersensitivity reaction to infliximab products, inactive ingredients of INFLECTRA, or any murine proteins (including anaphylaxis, hypotension, and serum sickness)
- Known hypersensitivity to prednisone or any excipient
Adverse Reactions
Most common (>10%) Infections (upper respiratory tract infection, sinusitis, pharyngitis), infusion-related reactions, headache, abdominal pain
Serious Serious infections (pneumonia, cellulitis, abscess, sepsis, tuberculosis, opportunistic infections), malignancies, lymphoma, hepatotoxicity (acute liver failure, autoimmune hepatitis), severe infusion reactions, lupus-like syndrome
Postmarketing Agranulocytosis, neutropenia, interstitial lung disease, Stevens-Johnson Syndrome, toxic epidermal necrolysis, peripheral demyelinating disorders (Guillain-Barre syndrome), acute liver failure, anaphylactic shock, cerebrovascular accidents, leukemia, melanoma, Merkel cell carcinoma
Most common Fluid retention, altered glucose tolerance, elevated blood pressure, behavioral and mood changes, increased appetite and weight gain
Serious Anaphylaxis, cardiac arrest, circulatory collapse, congestive heart failure, myocardial rupture, pulmonary edema, peptic ulcer with perforation and hemorrhage, osteonecrosis, pathologic fracture, adrenocortical insufficiency, convulsions, increased intracranial pressure
Postmarketing No new safety concerns identified beyond those established for immediate-release prednisone
Pharmacology
Infliximab-dyyb is a chimeric IgG1kappa monoclonal antibody TNF-alpha antagonist that neutralizes the biological activity of TNFalpha by binding with high affinity to soluble and transmembrane forms of TNFalpha, inhibiting receptor binding and downstream proinflammatory cytokine activity in RA, CD, UC, AS, PsA, and Ps.
Prednisone is a synthetic corticosteroid with potent anti-inflammatory and immunosuppressive properties that suppresses inflammatory processes (edema, capillary dilatation, leukocyte migration), modifies immune responses, and produces metabolic effects including promotion of gluconeogenesis, protein catabolism, and altered calcium and electrolyte balance.
Enter your patient's insuranceCheck specific coverage details for your patient.
Most Common Insurance
Anthem BCBS
Inflectra
- Covered on 5 commercial plans
- PA (10/12) · Step Therapy (10/12) · Qty limit (0/12)
Rayos
- Covered on 5 commercial plans
- PA (6/12) · Step Therapy (1/12) · Qty limit (0/12)
UnitedHealthcare
Inflectra
- Covered on 4 commercial plans
- PA (0/8) · Step Therapy (0/8) · Qty limit (0/8)
Rayos
- Covered on 4 commercial plans
- PA (0/8) · Step Therapy (0/8) · Qty limit (0/8)
Humana
Inflectra
- Covered on 0 commercial plans
- PA (3/3) · Step Therapy (2/3) · Qty limit (0/3)
Rayos
- Covered on 0 commercial plans
- PA (1/3) · Step Therapy (0/3) · Qty limit (0/3)
Coverage data sourced from MMIT. Updated monthly.
Savings
$0/fillfill
Inflectra Co-Pay Savings ProgramCommercial or private insurance
Medicare, Medicaid, VA, TRICARE
No savings programs available for Rayos.
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Clinical data sourced from FDA-approved labeling. Coverage data via MMIT. Updated monthly.