Pediatric rheumatology

Defining a therapeutic range for adalimumab serum concentrations in the management of pediatric noninfectious uveitis, a step towards personalized treatment

Pediatr Rheumatol Online JPublished Retrospective observational pilot study

Authors' conclusion

A therapeutic range of adalimumab trough levels of 9.6 to 13 µg/mL, which corresponds with an optimal clinical effect, was identified.

Study context

Population
Children aged < 18 years with noninfectious uveitis (NIU) treated with adalimumab
Participants
36 children
Exposure
Adalimumab trough levels in complete responders vs partial or non-responders
Outcome
Therapeutic range for adalimumab trough levels
Follow-up
At least 24 weeks after start adalimumab

Main finding

As reported in the abstract

Adalimumab trough levels by response

Complete responders

11.8

range 6.9–33.0 · μg/mL

P = 0,004

ROC AUC
0,749 (95% CI, 0,561-0,937)
Lower margin of therapeutic range (ROC)
9.6 µg/mL
Cut-off sensitivity
88%
Cut-off specificity
56%
Cut-off PPV
85%
Cut-off NPV
62.5%
Upper margin of therapeutic range (concentration effect curve)
13 µg/mL

Observational data: associations, not effects.

Further findings

Patients with trough concentration exceeding 13 µg/mL

Approximately one-third
30.5%

Free anti-drug antibodies (ADA)

Patients with free ADA
2 (5.5%)

Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.

Original publication

Defining a therapeutic range for adalimumab serum concentrations in the management of pediatric noninfectious uveitis, a step towards personalized treatment. Pediatr Rheumatol Online J. Published 20 December 2023. doi:10.1186/s12969-023-00928-2

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