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Dosage of Upadacitinib

1.Recommended Evaluations and Immunizations Prior to Treatment Initiation

Prior to Upadacitinib treatment initiation, consider performing the following evaluations: 

Active and latent tuberculosis (TB) infection evaluation - If positive, treat for TB prior to Upadacitinib use. 

Viral hepatitis screening in accordance with clinical guidelines - Upadacitinib initiation is not recommended in patients with active hepatitis B or hepatitis C.

A complete blood count - Upadacitinib initiation is not recommended in patients with an absolute lymphocyte count less than 500 cells/mm3 , absolute neutrophil count less than 1000 cells/mm3 , or hemoglobin level less than 8 g/dL.

Upadacitinib initiation is not recommended for patients with severe hepatic impairment . 

Verify the pregnancy status of females of reproductive potential prior to starting treatment.

2.Important Administration Instructions

Upadacitinib tablets should be taken orally with or without food.

Upadacitinib tablets should be swallowed whole. Upadacitinib should not be split, crushed, or chewed.

3.Recommended Dosage in Rheumatoid Arthritis

The recommended dosage of Upadacitinib is 15 mg once daily.

4.Recommended Dosage in Psoriatic Arthritis

The recommended dosage of Upadacitinib is 15 mg once daily.

5.Recommended Dosage in Atopic Dermatitis

Pediatric Patients 12 Years of Age and Older Weighing at Least 40 kg and Adults Less Than 65 Years of Age

Initiate treatment with 15 mg once daily. If an adequate response is not achieved, consider increasing the dosage to 30 mg once daily. Discontinue Upadacitinib if an adequate response is not achieved with the 30 mg dose. Use the lowest effective dose needed to maintain response.

Adults 65 Years of Age and Older 

The recommended dosage is 15 mg once daily.

6.Recommended Dosage in Ulcerative Colitis

Adult Patients: Induction

The recommended induction dose of Upadacitinib is 45 mg once daily for 8 weeks.

Adult Patients: Maintenance

The recommended dose of Upadacitinib for maintenance treatment is 15 mg once daily. A dosage of 30 mg once daily may be considered for patients with refractory, severe or extensive disease.Discontinue Upadacitinib if an adequate therapeutic response is not achieved with the 30 mg dosage. Use the lowest effective dosage needed to maintain response. 

7.Recommended Dosage in Ankylosing Spondylitis

The recommended dosage of Upadacitinib is 15 mg once daily.

8.Recommend Dosage in Non-radiographic Axial Spondyloarthritis

The recommended dosage of Upadacitinib is 15 mg once daily.

9.Recommended Dosage in Patients with Renal Impairment or Hepatic Impairment

Renal Impairment

Rheumatoid Arthritis, Psoriatic Arthritis, Ankylosing Spondylitis, and Non-radiographic Axial Spondyloarthritis:

No dosage adjustment is needed for patients with mild, moderate, or severe renal impairment.

Atopic Dermatitis:

For patients with severe renal impairment the recommended dosage is 15 mg once daily.

No dosage adjustment is needed for patients with mild or moderate renal impairment.

Upadacitinib is not recommended for use in patients with end stage renal disease.

Ulcerative Colitis:

For patients with severe renal impairment (eGFR 15 to < 30 mL/min/1.73m2 ), the recommended dosage is: Induction: 30 mg once daily for 8 weeks,15 mg once daily. 

No dosage adjustment is needed for patients with mild or moderate renal impairment.

Upadacitinib is not recommended for use in patients with end stage renal disease

Hepatic Impairment

Upadacitinib is not recommended for use in patients with severe hepatic impairment.

Rheumatoid Arthritis, Psoriatic Arthritis, Atopic Dermatitis, Ankylosing Spondylitis, and Non-radiographic Axial Spondyloarthritis:

No dosage adjustment is needed for patients with mild or moderate hepatic impairment.

Ulcerative Colitis:

For patients with mild to moderate hepatic impairment the recommended dosage is 30 mg once daily for 8 weeks,15 mg once daily.

10.Dosage Modifications Due to Drug Interactions

Rheumatoid Arthritis, Psoriatic Arthritis, Atopic Dermatitis, Ankylosing Spondylitis, and Non-radiographic Axial Spondyloarthritis:

The recommended dosage in patients receiving strong CYP3A4 inhibitors is 15 mg once daily.

Ulcerative Colitis:

The recommended dosage in patients with ulcerative colitis receiving strong CYP3A4 inhibitors 30 mg once daily for 8 weeks,15 mg once daily.

11.Dosage Interruption

Infections:

If a patient develops a serious infection, including serious opportunistic infection, interrupt Upadacitinib treatment until the infection is controlled.

Laboratory Abnormalities:

Interruption of dosing may be needed for management of laboratory abnormalities as described in Table 1

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from FDA,2023.04

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