See the DrugPatentWatch profile for Cosentyx
What doses of Cosentyx (secukinumab) are used for plaque psoriasis?
For plaque psoriasis, Cosentyx dosing depends on disease severity and body weight is not used. The labeled adult regimen is:
- 300 mg by subcutaneous injection once weekly for 5 weeks, then 300 mg every 4 weeks thereafter.
This is the “recommended” starting schedule for many adults with moderate-to-severe plaque psoriasis.
Cosentyx also has an alternative induction approach that may be used depending on the prescriber’s choice and the product presentation:
- 300 mg by subcutaneous injection once weekly for 5 weeks, then 300 mg every 4 weeks.
- Some patients may start with a “loading” schedule that uses weekly dosing before switching to every-4-week maintenance.
What doses of Cosentyx are used for psoriatic arthritis?
For psoriatic arthritis, the typical adult dosing is:
- 150 mg by subcutaneous injection once weekly for 5 weeks, then 150 mg every 4 weeks.
Some patients may use:
- 300 mg by subcutaneous injection (often the same induction-to-maintenance pattern, but at the 300 mg dose) if symptoms require a higher starting/maintenance dose.
What doses of Cosentyx are used for ankylosing spondylitis and non-radiographic axial spondyloarthritis?
For axial spondyloarthritis indications:
- 150 mg by subcutaneous injection once every 4 weeks is a common maintenance dose.
- Many regimens start with a loading period similar in structure (weekly induction followed by every-4-week dosing), with the starting dose chosen by the treating clinician.
Higher dosing (such as 300 mg) can be used in patients who need stronger control, depending on the specific axial diagnosis and clinical response.
Is the dose different for children?
Yes. Pediatric dosing for Cosentyx depends on the indication and the child’s body weight (and uses age/weight-based dosing rather than the fixed adult approach). If you tell me the child’s age, weight, and the indication (for example, plaque psoriasis), I can narrow to the appropriate pediatric regimen.
Cosentyx 150 mg vs 300 mg: what changes practically?
The main difference is the amount of medication per treatment dose:
- 150 mg is a lower fixed dose per injection dose.
- 300 mg is a higher fixed dose per scheduled dose.
In real-world use, switching between 150 mg and 300 mg usually changes how many prefilled pens or injections you take per scheduled day, not the injection frequency pattern.
How often do people take Cosentyx?
Across adult indications, Cosentyx typically follows one of these patterns:
- A weekly “loading” phase (commonly the first 5 weeks), then
- Maintenance every 4 weeks.
The exact start/maintenance schedule can vary by indication and whether 150 mg or 300 mg is used.
What if someone misses a dose?
If you miss a scheduled dose, dosing instructions depend on how long ago the missed dose was and the formulation you use (pen vs syringe). In practice, you follow the product’s missed-dose guidance and then return to the regular schedule. If you share the missed-date timing (for example, “missed by 3 weeks”), I can help you interpret the usual guidance.
Which formulation affects dosing timing?
Cosentyx dosing is based on mg per treatment visit, but administration differs by product presentation (for example, prefilled pen vs prefilled syringe). The frequency (weekly during induction, then every 4 weeks for maintenance) is driven by the indication and prescribed regimen.
Quick clarification so I can give the exact regimen
Cosentyx dosing depends on your diagnosis. Which one applies?
- plaque psoriasis
- psoriatic arthritis
- ankylosing spondylitis
- non-radiographic axial spondyloarthritis
- child/pediatric plaque psoriasis (and the child’s age/weight if applicable)
If you tell me the indication and whether you’re starting or switching doses (150 vs 300), I’ll provide the most precise dosing schedule.