| Psoriasis vulgaris
Inflectra vs Siliq
Side-by-side clinical, coverage, and cost comparison for psoriasis vulgaris.Deep comparison between: Inflectra vs Siliq 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 signalsSiliq has a higher rate of injection site reactions vs Inflectra based on FDA-approved prescribing information
Coverage gaps3 major payers require step therapy for Siliq but not Inflectra, including UnitedHealthcare
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Category
Inflectra
Siliq
At A Glance
IV infusion
Every 6-8 weeks
TNF-alpha antagonist
Subcutaneous
Every 2 weeks
IL-17RA antagonist
Indications
- Ulcerative Colitis
- Rheumatoid Arthritis
- Ankylosing spondylitis
- Arthritis, Psoriatic
- Psoriasis vulgaris
- Psoriasis vulgaris
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.
Psoriasis vulgaris 210 mg subcutaneously at Weeks 0, 1, and 2 followed by 210 mg every 2 weeks.
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)
- Crohn's disease
- Clinically significant hypersensitivity to brodalumab or to any of the excipients
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 (>=1%) Arthralgia (4.7%), headache (4.3%), fatigue (2.6%), diarrhea (2.2%), oropharyngeal pain (2.1%), nausea (1.9%), myalgia (1.7%), injection site reactions (1.5%), influenza (1.3%), neutropenia (1.0%), tinea infections (1.0%).
Serious Suicidal ideation and behavior (0.37 per 100 subject-years), infections including fungal infections, neutropenia grade >=3.
Postmarketing Hypersensitivity reactions, anaphylaxis including anaphylactic shock, pruritus, rashes, eczema, urticaria, dermatitis, eczematous eruptions (atopic dermatitis-like eruptions).
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.
Brodalumab is a human monoclonal IgG2 antibody that selectively binds to IL-17RA and inhibits its interactions with IL-17 family cytokines (IL-17A, IL-17F, IL-17C, IL-17A/F heterodimer, IL-25), thereby blocking IL-17 cytokine-induced pro-inflammatory responses.
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Most Common Insurance
Anthem BCBS
Inflectra
- Covered on 5 commercial plans
- PA (10/12) · Step Therapy (10/12) · Qty limit (0/12)
Siliq
- Covered on 5 commercial plans
- PA (10/12) · Step Therapy (10/12) · Qty limit (9/12)
UnitedHealthcare
Inflectra
- Covered on 4 commercial plans
- PA (0/8) · Step Therapy (0/8) · Qty limit (0/8)
Siliq
- Covered on 4 commercial plans
- PA (1/8) · Step Therapy (0/8) · Qty limit (1/8)
Humana
Inflectra
- Covered on 0 commercial plans
- PA (3/3) · Step Therapy (2/3) · Qty limit (0/3)
Siliq
- Covered on 0 commercial plans
- PA (3/3) · Step Therapy (3/3) · Qty limit (3/3)
Coverage data sourced from MMIT. Updated monthly.
Savings
$0/fillfill
Inflectra Co-Pay Savings ProgramCommercial or private insurance
Medicare, Medicaid, VA, TRICARE
$50/momo
Siliq Solutions Instant Savings Program - Non-covered benefitCommercial or private insurance
Medicare, Medicaid, VA, TRICARE
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Clinical data sourced from FDA-approved labeling. Coverage data via MMIT. Updated monthly.