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Nephritis, cerebritis, and myositis after adalimumab therapy in a patient with rheumatoid arthritis: a case report

Authors Omran NE, Noorwali AA

Received 22 October 2017

Accepted for publication 20 February 2018

Published 11 April 2018 Volume 2018:11 Pages 151—154

DOI https://doi.org/10.2147/IJGM.S154835

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Andrew Yee

Peer reviewer comments 5

Editor who approved publication: Dr Scott Fraser


Narges E Omran,1 Abdulsalam A Noorwali2

1Department of Internal Medicine and Rheumatology, Al-Noor Specialist Hospital, Makkah, Saudi Arabia; 2Department of Internal Medicine and Rheumatology, Umm Al Qura University Hospital, Makkah, Saudi Arabia

Abstract: Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease that mainly affects the joints, therefore, may cause deformities and disability if untreated. The first line of treatment is disease-modifying antirheumatic drugs (DMARDs). When the patient fails to respond to DMARDs, mainly methotrexate, then second-line therapy is required. Tumor necrosis factor α (TNFα) plays an important role in the pathogenesis of RA; however, the treatment with anti-TNFα medications is challenging. It may trigger the autoimmune system and result in producing antibodies that induce symptoms and signs mimic to systemic lupus erythematosus (SLE), and in rare situations can affect vital organs with severe and life-threatening complications. We report on a 38-year-old Saudi woman with longstanding erosive RA, who was diagnosed based on the 1987 classification criteria. She developed life-threatening SLE, and seroconversion of antinuclear antibodies (ANA), anti-double-stranded DNA, with severe systemic involvement (cerebritis, nephritis, myositis, and polyneuropathy), shortly after treatment with adalimumab. Adalimumab was started as anti TNFa therapy (after the failure of traditional therapy), SLE and other autoimmune diseases were ruled out by clinical history, examination, and laboratory investigations, including negative ANAs and anti-double-stranded DNA. When both tests turned out persistently positive even after stopping adalimumab, specific diagnostic and therapeutic modalities were required during her acute illness.

Keywords: rheumatoid, arthritis, tumor necrosis factor, adalimumab, anti-TNF, systemic lupus erythematosus
 

Introduction

Early diagnosis and treatment of rheumatoid arthritis (RA) is very important. The use of disease-modifying antirheumatic drugs (DMARDs) during the first few months of the disease minimizes the adverse sequelae of RA.2 For non-responders, biological agents are recommended.3 Although the treatment with antitumor necrosis factor alpha (anti-TNFα) had been shown to trigger autoimmune responses, such as a lupus-like syndrome,1 the clinical presentation of immune-mediated complications induced by adalimumab treatment, especially a lupus-like syndrome, is very rare,17 with various signs and symptoms, including the less common induction of systemic lupus erythematosus (SLE) with end-organ damage.4 Written informed consent has been provided by the patient to have the case details and pictures published.

Case presentation

A 38-year-old Saudi woman presented to the emergency department with generalized fatigue and weakness. She had been affected by RA for 13 years, RA was diagnosed based on the 1987 diagnostic criteria,5 according to which, the patient had bilateral hand polysymmetric inflammatory arthritis with morning stiffness for more than 1 hour and positive rheumatoid radiographic abnormalities on X ray (periarticular osteopenia, decreased joint space, and marginal erosions). She developed bilateral hand irreversible deformities within the first 2 years of her disease (ulnar deviation, Z deformity, swan neck, and boutonniere deformities), with restricted wrists movement and impaired hand grip (Figure 1).

Figure 1 Rheumatoid arthritis of the hand with deformity.

She had no previous history of skin rash, malar rash, muscle weakness, numbness, and no cardiopulmonary symptoms or any symptoms or signs suggestive of SLE or other associated autoimmune diseases.

She was treated for several years with DMARDs; methotrexate 15 mg/week, hydroxychloroquine 200 mg twice daily, and steroid with a maintenance dose of prednisolone 7.5 mg daily (she was given frequent short courses of steroid), as well as calcium, vitamin D, and alendronate. During the course of the treatment, there were periods of remission and flare up. Due to persistent and active inflammatory arthritis for almost 6 months, she was followed up in the rheumatology clinic with the following: number of swollen joints:10; number of tender joints: 15; morning stiffness for more than 1 hour; high erythrocyte sedimentation rate (ESR); and positive C-reactive protein. Her disease activity assessment (28) score of 5.2 meant that she had highly active disease.6 Adalimumab was added to her treatment as second-line therapy after the failure of traditional DMARDs based on the American College of Rheumatology treatment guidelines.3 Initial laboratory results showed normal liver and kidney function, mild normocytic normochromic anemia, high ESR of 50 mm/h, C-reactive protein 4 mg/dL, rheumatoid factor 456, and anti-cyclic citrullinated peptide being strongly positive. Hepatitis B and C serology were normal, with a negative antinuclear antibody (ANA) of 0.3 IU/mL (<1), a negative anti-DNA 15 IU/mL (<30), a negative purified protein derivative test, and normal chest X-ray. Her arthritic symptoms improved dramatically. However, 6 weeks after the administration of adalimumab, she developed fatigue, fever, proximal muscle weakness, and swelling of lower limbs. On examination, she was febrile (38°C) with normal blood pressure and oxygen saturation. She was conscious, oriented, and had a normal higher function. She had bilateral rheumatoid hands, proximal and distal muscle weakness (grade 2 proximal and grade 3 distal), with depressed reflexes, and decreased pinprick and light touch sensation bilaterally below the knees and distal to the elbows. She had bilateral lower limb pitting edema. Chest and cardiovascular system were normal. The repeat laboratory investigations showed hemoglobin of 8.9 mg/dL, white cell count 7000/µL, platelets 170,000/µL, ESR 120 mm/first hour, and C-reactive protein 6.5 mg/dL. Blood chemistry: total protein of 6.1 gm/dL, albumin 2.2 gm/dL, blood urea nitrogen 19 mg/dL, creatinine 0.7 mg/dL, aspartate aminotransferase 410 IU/L, and alanine aminotransferase 90 IU/L. Creatinine kinase was elevated at 5000 IU/L. Urinalysis showed blood +1 and protein +2. Electromyography and nerve conduction study showed axonal polyneuropathy with myositis. The repeated assessment showed positive ANA of 20 IU/mL, positive anti-dsDNA of 200 IU/mL (both were negative prior to anti-TNF treatment), positive Smith antibodies, and anti-RNP was negative. Anti-histones test was requested (not available). Complement C3 was10 mg/dL (low), C4 was 5 mg/dL (low), and 24-hour urine collection for protein showed 650 mg/day. Chest radiography showed bilateral pleural effusion. A diagnosis of SLE with major organ involvement was made based on Systemic Lupus International Collaborating Clinics Classification Criteria.7

Adalimumab was discontinued and the patient was administered intravenous methylprednisolone 1 g daily for 3 days810 followed by oral prednisolone 1 mg/kg daily with gradual tapering. During her hospitalization, she developed generalized tonic–clonic seizures. A CT of the brain was normal. An MRI of the brain showed cerebritis. Intravenous immunoglobulin was administered daily for 3 days11,12 in addition to antiepileptic medications. Cyclophosphamide was initiated at a dose of 500 mg IV/2 weeks (Euro Protocol) as the first-line treatment for lupus nephritis with a plan to continue for 3 months, followed by mycophenolate mofetil as maintenance therapy.810 The patient was also treated with hydroxychloroquine, angiotensin-converting enzyme inhibitor, aspirin, calcium, and vitamin D replacement. Renal biopsy was performed and showed glomerulonephritis class 4 (Figure 2) according to the World Health Organization’s lupus nephritis classification system.13

Figure 2 Lupus nephritis: renal biopsy findings.

At 6 months, the patient was free of seizures, muscle power was normal, as well as creatine kinase levels. The patient remained ANA and anti-dsDNA positive, with little nephritis improvement in response to first-line therapy. Second-line treatment was begun with mycophenolate mofetil 1500 mg bid.810

Discussion

Drug-induced lupus erythematosus (DILE) is an autoimmune disorder that can present with joint pain, skin involvement, fatigue, and serositis.

DILE occurs months after the use of the drug, with subacute cutaneous lupus erythematosus involving the skin being the main manifestation. Hydralazine, procainamide, isoniazid, minocycline, diltiazem, and TNF inhibitors are the most common drugs that cause DILE. Symptoms of DILE usually disappear within weeks of stopping the drug. Generally, no other specific treatments are known. Low doses of systemic corticosteroids may be prescribed for short periods if the symptoms are severe. End-organ damage, such as renal and central nervous system (CNS) involvement, is uncommon in DILE. However, a few drugs that cause DILE are notable exceptions, including hydralazine, penicillamine, and TNFα inhibitors that commonly involve the kidneys.4 The pathogenesis of anti-TNFα-induced SLE (ATIL) is not clear. The BIOGEAS Registry collects information on almost 13,000 case reports of patients who developed autoimmune diseases after exposure to biological agents. With >50 different systemic autoimmune disorders, lupus accounts for 369 cases. Anti-TNF agents were the main biologics involved in 9133 cases. Adalimumab was found to be involved in 4154 cases.14

For example, one case reported CNS vasculitis after the use of adalimumab for the treatment of Crohn’s disease.15 Another RA case was reported with lupus nephritis after treatment with adalimumab.16 Recently, there was a case report of a patient with severe psoriasis, who presented with muscle pain, paresthesia, and positive ANA following adalimumab treatment. All the symptoms resolved after discontinuation of adalimumab. The main approach in the treatment of ATIL is withdrawal of the offending drug. Symptoms resolve within 3 weeks to 6 months after stopping the drug. Furthermore, many patients require traditional therapy for SLE to achieve full remission. In one registry, about 12% of patients required additional immunosuppressant medications with azathioprine, cyclophosphamide, leflunomide, methotrexate, mycophenolate, or cyclophosphamide.18 It is highly recommended to consider ANA and anti-dsDNA testing to rule out underlying SLE before starting treatment with anti-TNF.17 This case report is important because of the severity of the life-threatening multisystem involvement (CNS, peripheral nervous system, kidneys, and muscles) shortly after administration of adalimumab. With documented seroconversion of ANA and anti-dsDNA, special care and additional immunosuppressant therapy were required after discontinuation of adalimumab. The nephritis did not respond well to first-line treatment and required second-line therapy; however, the musculoskeletal and neurological complications resolved completely.

Conclusion

Autoantibodies are commonly induced by TNF inhibitors but manifest with only limited signs and symptoms. Nevertheless, severe end-organ involvements (cerebritis, nephritis) have been reported to cause serious ATIL. It is highly recommended to test patients for SLE before using anti-TNF therapy to avoid serious complications. Careful observation and follow-up are needed, especially during the first few months of anti-TNF therapy. The pathogenesis of anti-TNF-induced lupus requires further investigation in order to identify those patients who are likely to develop ATIL and related diseases.

Disclosure

The authors report no conflicts of interest in this work.

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