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DOI: 10.1055/s-0045-1814174
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Published in January, 2026

Rheumatic Immune-Related Adverse Events in Patients with Metastatic Melanoma: Insights for Treatment from a Single Cancer Center

Introduction

Melanoma incidence has been rising in fair-skinned populations over the past several decades. However, since 2011, melanoma-related mortality has declined by approximately 30%, primarily due to the Food and Drug Administration's (FDA) approval of targeted therapies, including immune checkpoint inhibitors (ICIs) and small-molecule kinase inhibitors.1

These ICIs are indicated for various cancers, including melanoma,2 enhancing antitumor immunity by disrupting coinhibitory T-cell signaling but also increase the risk of immune-related adverse events (irAEs). While most are mild and self-limiting, they occur in 40 to 70% of patients, depending on whether ICIs are used as monotherapy or in combination regimens.2 3 Musculoskeletal irAEs, such as arthralgia, arthritis, myalgia, dry eyes, vasculitis, sarcoidosis, and back pain, are likely underreported in clinical trials, with estimated frequencies ranging from 1 to 5%.4 5

Retrospective studies have reported that 10 to 25% of patients with metastatic melanoma have preexisting autoimmune diseases (AIDs).6 7 However, these patients were primarily excluded from pivotal clinical trials that led to FDA approval of systemic cancer therapies due to concerns about increased irAE susceptibility, potential disease flares, and the possibility of reduced ICI efficacy associated with concurrent immunosuppressive therapy.8

Prospective studies have documented higher irAE frequencies in patients with autoimmune conditions, such as psoriasis (Pso), rheumatoid arthritis (RA), polymyalgia rheumatica (PMR), chronic cutaneous lupus, and others.9 Nevertheless, some retrospective studies suggest the risk of severe irAEs in these patients is comparable to that of the general population, at approximately 8%.7 Additionally, AID flares can be more common in patients with rheumatic conditions receiving combination ICI therapy.4 10

The BRAF/MEK inhibitors, another class of targeted therapies, are used to treat melanoma with specific kinase mutations.11 Arthralgia is the most frequent adverse event associated with these agents, occurring more frequently with BRAF monotherapy than with combination therapy due to the paradoxical activation of the mitogen-activated protein kinase (MAPK) pathway in synovial tissue.12 Other possible side effects include myalgia, arthritis, and vasculitis. Although rare, serious conditions such as necrotizing and inflammatory myositis may arise, potentially requiring treatment with corticosteroids or immunosuppressants, as well as therapy discontinuation.13 14

This study aims to evaluate the best therapeutic approaches for patients with metastatic melanoma and immune-mediated diseases based on a narrative literature review and a case series of patients treated at the A.C.Camargo Cancer Center's outpatient clinic.

Materials and Methods

This retrospective study included 10 adults with disseminated melanoma and AIDs who attended the Rheumatology Outpatient Clinic at the A.C.Camargo Cancer Center in Brazil, between January 2020 and September 2024.

A narrative literature review was conducted using Scopus and PubMed, incorporating the following Medical Subject Headings (MeSH) keywords: “melanoma”, “immune checkpoint inhibitors”, “targeted therapy”, “pre-existing autoimmune disorder”, “rheumatic disorder”, “immune-mediated adverse event”, “disease-modifying antirheumatic drug (DMARD)”, “anti-PD-1/PD-L1”, and “anti-CTLA-4”.

The study was approved by the institution's Ethics Committee, and all patients provided written informed consent.

Results

There were six patients with preexisting AID, three with RA, one with systemic lupus erythematosus (SLE), one with Pso, and one with inflammatory recurrent serositis. Furthermore, four patients developed rheumatic irAEs after treatment. The patients were followed for 6 months after symptom onset.

Patients with Preexisting Conditions

There were 6 patients with preexisting AID and stage III to IV melanoma required DMARD for either disease flare or de novo irAEs (n = 4), as shown in Table 1.

Table 1

Clinical data of patients with AID and melanoma
Case	S, A	Preexisting autoimmune disease/Ab	Stage*	OST	OST duration	AE after OST/CTCAE grade	IS	Response to IS	Response to OST	OST status
1	F, 70	RA/FR+	IV	nivolumab	0,5	RA flare grade 4	PRED SSZ HCQ TCZ	Complete	Progression	Restarted
2	F, 34	SLE/Ro + LAC+	IV	nivolumab	7	SLE Flare grade 2	PRED HCQ	Complete	Complete	Completed
3	M, 59	Psoriasis/No	III	nivolumab	7	APs and Pso flare grade 4	PRED TNFi MTX COS	Complete	Progression	Restarted
4	F, 75	RA/FR+	IV	ipilimumab nivolumab	7	Herpes on the tongue	MTX TCZ	Complete	Complete	Ongoing
5	F, 69	RA/FR+	III	nivolumab	6	−	MTX	Complete	Complete	Ongoing
6	M, 49	Inflammatory recurrent serositis/No	III	dabrafetinib and trametinib	3	AR-like grade 3	PRED MTX	Complete	Stable	Ongoing

Abbreviations: A, age, in years; Ab, autoantibody; AE, adverse event; AID, autoimmune disease; APs, activator proteins; COS, cosentyx; CTCAE, Common Terminology Criteria for Adverse Events; F, female; FR, rheumatoid factor; HCQ, hydroxychloroquine; IS, rheumatic immunosuppressant; LAC + , lupus anticoagulant positive; M, male; MTX, methotrexate; OST, oncologic systemic therapy; PRED, prednisone; Pso, psoriasis; RA, rheumatoid arthritis; Ro + , anti-Ro/SSA positive; S, sex; SLE, systemic lupus erythematosus; SSZ, sulfasalazine; TCZ, tocilizumab; TNFi, TNF inhibitor.

Notes: *Stage of melanoma. The AE was measured after OST onset. The OST duration was measured in months, OST status was measured after 6 months of IS onset, and response to OST was measured as oncological outcome after 6 months. Response to IS was measured as rheumatic disease response after 6 months of IS.

Patient 1 (RA in remission) was not on immunosuppressants when cancer treatment began. However, she experienced RA reactivation after the first nivolumab (anti-programmed cell death protein 1 [PD1]) infusion. She discontinued ICI therapy and was treated with sulfasalazine (SSZ) and hydroxychloroquine (HCQ). Unfortunately, she developed SSZ hypersensitivity, leading to hepatotoxicity and myelotoxicity, which were managed with prednisone (1 mg/kg). She was later transitioned to tocilizumab (TCZ, an interleukin-6 [IL-6] inhibitor, 4 mg/kg every 4 weeks), which enabled her to resume nivolumab while maintaining RA control. Then, ICI was reintroduced, but the patient experienced cancer progression.

Patient 2 (SLE) experienced a mild flare with inflammatory arthralgia in the hands and wrists, which was resolved with low-dose prednisone (< 10 mg/day) and HCQ (5 mg/kg/day). Prednisone was tapered, and the patient remained in rheumatic and cancer remission with HCQ alone.

Patient 3 (Pso in remission) developed severe psoriatic arthritis (PsA) and Pso relapse after the seventh nivolumab dose. Initially managed with prednisone (10–20 mg/day) and one infusion of infliximab (IFX, anti-tumor necrosis factor alpha [TNFα]), the patient later experienced tumor progression and was switched to methotrexate (MTX) plus secukinumab (SCK, anti-IL17A). This regimen controlled symptoms while allowing corticosteroid tapering.

Patients 4 and 5 (RA in remission) remained stable while receiving ICI therapy and achieved a complete response to cancer. Patient 4 (MTX 15 mg/week, TCZ 162 mg every 2 weeks, and immunotherapy) developed a herpetic tongue ulcer after the fourth dose of nivolumab/ipilimumab, treated with valacyclovir.

Patient 5 (history of scleritis and mild arthritis) was on MTX 20 mg/week during nivolumab therapy and did not experience irAEs.

Patient 6 (inflammatory recurrent serositis) developed hand and wrist arthritis after starting dabrafenib (BRAF inhibitor) and trametinib (MEK1/2 inhibitor). Treatment included prednisone 20 mg/day (discontinued in 1–2 months), colchicine, and MTX 15 mg/week to manage symptoms. Targeted therapy was continued, and cancer stabilized.

In retrospective studies, the frequency of AID flares during ICI ranges from 20 to 50%. These flares often resemble previous disease activity, as observed in patients 1, 2, and 3 (Table 1).15 16

Reduced anti-tumor efficacy of systemic therapy due to immunosuppressants treating AID flares is a concern. Brown et al.15 indicated a lower overall survival (OS) rate for melanoma patients using ICI while having baseline immunosuppression due to AID (11 months, 95%CI: 3.42–18.58) compared with those without immunosuppression (31 months, 95%CI: 20.89–41.11).15

Some retrospective studies showed an association between the use of glucocorticoids at the beginning of ICI treatment for metastatic melanoma and reduced OS. However, these studies did not report the reasons for using glucocorticoids, making any conclusions speculative.17 18 Ricciuti et al. indicated an association between glucocorticoid therapy for oncologic symptoms and poor prognosis of ICI patients. Additionally, those who were treated for AID with prednisone > 10mg daily did not show significant differences in progression-free survival (PFS) and OS (4.6–3.4 months; hazard ratio [HR]: 0.77; p = 0.24) compared to those who received 0 to < 10 mg of prednisone (10.7–11.2 months; HR: 0.93; p = 0.77).19

Other retrospective studies revealed comparable OS in metastatic melanoma and non-small-cell lung cancer patients, whether they had AID or not.20 A retrospective observational study that included 146 patients with melanoma, non-small-cell lung cancer, and renal cell carcinoma did not show an association between glucocorticoid use for irAE in the first 30 days from the beginning of ICI and shorter PFS (p = 0.077). Moreover, this study demonstrated a possible better OS associated with glucocorticoid use 30 days after ICI started, probably related to immortality bias.21 The use of physiologic doses of prednisone (< 10mg/day) for the treatment of adrenal insufficiency secondary to ipilimumab therapy in retrospective studies, including patients with non-small-cell lung cancer, suggested that low doses of prednisone may not affect the efficacy of ICI.19 22

The HCQ is a DMARD frequently used as a first-line treatment for inflammatory arthropathy secondary to AID or ICI. It has demonstrated safety and effectiveness in managing mild symptoms, as seen in patients 1 and 2, as well as in several case series.23 24 25

Sharma et al. revealed that HCQ enhanced the antitumor efficacy of anti-PD-1 therapy in mouse models by inhibiting palmitoyl-protein thioesterase 1 (PPT1).26 On the other hand, Wabitsch et al.27 suggested that HCQ impairs the response to anti-PD-1 treatment by reducing T-cell activation and tumor infiltration in in vivo tumor models. Prospective cohorts are needed to clarify the long-term impact of this drug use on patient response to ICI.

A phase-I/II trial evaluating patients with advanced BRAFV600 mutant melanoma indicated that HCQ combined with dabrafenib and trametinib was safe and effective, with an antitumor effect. It may improve response rates to MAPK-targeted therapy due to its role as a lysosomal inhibitor that blocks autophagy, making it a potentially safe option for treating arthralgia induced by BRAF/MEK inhibitors.28

Retrospective studies involving patients with RA and PMR showed the safety and effectiveness of MTX therapy for those receiving ICIs.29 30 Furthermore, a preclinical study demonstrated that MTX promotes the formation of central memory T-cells and reduces PD1 expression in a melanoma mouse model, without impairing the antitumor effect of ICI.31 For patients receiving BRAF/MEK inhibitors, MTX may also be a safe treatment for arthritis, myositis, and vasculitis. Based on case reports, this drug is especially relevant, as it could reduce the need for corticosteroids.13 32

Some retrospective studies indicated that SSZ monotherapy leads to poorer control of arthritis induced by ICI and a higher incidence of hypersensitivity reactions compared to its use in treating RA patients.33 34 A preclinical study showed that anti-PD-1/PD-L1 contributes to drug-responsive T-cell effectors in hypersensitivity reactions in SSZ users.35

The use of TCZ is an effective treatment for AID flares and irAEs, as evidenced by patients 1 and 4. Observational retrospective studies demonstrated the effectiveness and safety of IL-6 inhibitors in treating rheumatic irAEs and AID flares, such as RA, psoriatic arthritis (APs), and PMR.36 37 The COLAR open-label clinical study also showed positive outcomes for patients with arthritis and colitis related to ICI treatment with TCZ. This study found that all 18 patients discontinued glucocorticoid therapy, 79% showed symptom improvement, and 26% (n = 5) experienced reversible grade-3 and -4 adverse events related to TCZ.38

Preclinical studies found that IL-6 inhibitors enhance the tumor-infiltrating T-cell response induced by anti-CTLA-4 therapy in murine models, demonstrating an antitumoral effect.39 A phase-II clinical trial40 combining intravenous TCZ with nivolumab and ipilimumab showed a low incidence of grade 3 and 4 irAEs (22% of patients with metastatic melanoma) and a favorable overall response rate (NCT03999749).40 Another ongoing randomized phase-II trial suggested that subcutaneous TCZ in combination with nivolumab and ipilimumab may reduce the occurrence of grade-3 and -4 irAEs without compromising prognosis (NCT04940299).

Furthermore, in a retrospective study by Petit et al.,41 11 patients who received secondary prophylaxis with TCZ were compared to 5 patients who did not, during ICI rechallenge following ICI-induced arthritis. The results revealed that patients on TCZ prophylaxis had a lower rate of arthritis relapses of 17% during ICI rechallenge, compared to 40% in those who did not receive it.41

Tumor necrosis factor inhibitors (TNFi) are another option for treating AID and rheumatic irAEs and may help prevent the latter. Retrospective studies showed that TNFi leads to quicker resolution of colitis and inflammatory arthritis related to ICI treatment, without compromising OS compared to corticosteroid monotherapy.42 43 Additionally, an ongoing phase I/II clinical trial involving 14 patients with advanced melanoma using ipilimumab and nivolumab, combined with IFX or certolizumab (CTZ) as TNFis, has reported the safety of triple combinations. Grade 3 and 4 irAE occurred in 3 of 6 IFX users and 6 of 8 CTZ users. All CTZ patients showed complete or partial responses to ICI treatment.44

However, a cohort of 1,250 melanoma patients treated with ICI revealed lower OS in those using TNFi compared to those receiving glucocorticoids alone for irAE treatment, independent of sex, performance status, comorbidities, disease stage, metastasis, and ICI subtype.45 A retrospective observational study by Bass et al. demonstrated a shorter time to cancer progression and arthritis control for TNFi compared to MTX. The subanalysis in patients with melanoma showed similar results for arthritis control (HR: 13.44; 95%CI: 2.23–81.09; p = 0.005) and cancer progression (HR: 6.19; 95%CI: 0.64–59.55; p = 0.115).46

The use of IL-17 inhibitors effectively controlled preexisting APs, Pso, and arthritis induced by ICI treatment while maintaining the anti-tumor effect of immunotherapy in case reports.47 48 Additionally, Dimitriou et al. conducted a proof-of-concept case study using SCK (anti-IL17A) to treat 2 patients with advanced melanoma and refractory and severe irAEs induced by ipilimumab and nivolumab. The patients presented with grade-2 myocarditis, grade-3 colitis, and grade-3 lichenoid skin rash, all of which were refractory to corticosteroids and TNFi. These conditions were resolved with SCK therapy.49

Patients with Rheumatic irAEs and Metastatic Melanoma

In this case series, four patients diagnosed with stage II to III melanoma received DMARD as a treatment for de novo irAEs (Table 2). Also, one patient presented with severe irAEs, including myocarditis and myositis induced by ICI, which led to the discontinuation of immunotherapy.

Table 2

Clinical data of patients with rheumatic irAE and melanoma
Case	S, A	Preexisting AID/Ab	Stage*	OST	OST duration	AE after OST	IS	Response to IS	Response to OST	OST status
7	F, 46	No/No	III	nivolumab	10	Oligoarthritis grade 3	NSAID PRED MTX HCQ	Complete	Stable	Completed
8	F, 74	No/No	III	nivolumab	12	AR-like grade 2	SSZ	Complete	Complete	Completed
9	F, 63	No/No	II	nivolumab and ipilimumab	2	Myocarditis and myositis grade 3	PRED MMF	Complete	Stable	Suspended
10	F, 42	No/No	III	trametinib dabrafenib encorafenib binimetinibe	1	Nodosum erythema, myalgia grade 3	PRED MTX	Complete	Stable	Continued

Abbreviations: A, age, in years; Ab, autoantibody; AE, adverse event; AID, autoimmune disease; F, female; HCQ, hydroxychloroquine; irAEs, immune-related adverse events; IS, rheumatic immunosuppressant; M, male; MMF, mycophenolate mofetil; MTX, methotrexate; NSAID, non-steroidal anti-inflammatory drugs; OST, oncologic systemic therapy used; PRED, prednisone; S, sex; SSZ, sulfasalazine.

Patient 7 developed oligoarthritis affecting the bilateral knees and ankles, which did not respond to nonsteroidal anti-inflammatory drugs (NSAIDs) after the tenth dose of nivolumab. She required low-dose prednisone (maximum 20 mg/day) and was treated with HCQ and MTX to control symptoms. She achieved remission within 6 months and was able to maintain HCQ while discontinuing MTX. The patient achieved a complete response with ICI therapy.

Patient 8 had arthritis in the wrists and hands, negative rheumatoid factor, and antinuclear antibodies following the last nivolumab infusion. We introduced SSZ to control the arthritis after completing anti-PD1 therapy, with a good response. She also used acetaminophen and codeine to manage pain symptoms.

Patient 9 developed myocarditis and myositis after the second nivolumab infusion, presenting with chest pain and CTCA grade 3 proximal limb weakness. Laboratory results indicated elevated creatine kinase and troponin levels. Cardiac and proximal muscle imaging showed inflammatory changes (Figures 1 2). The ICI therapy was discontinued. She was treated with 1 g of intravenous methylprednisolone for 3 days, followed by reduced doses of prednisone (maximum 1 mg/kg) and mycophenolate mofetil (MMF) at 3 g/day. She achieved remission 4 months after starting MMF.

Fig. 1 A T2-weighted (T2)/short-Tau inversion recovery (STIR) magnetic resonance imaging (MRI) scan of Patient 9's thigh muscles. A mild increase in T2/STIR signal (green arrow) was noted in the right gluteus minimus muscle after pulsotherapy with methylprednisolone, suggesting inflammatory myositis.

Fig. 2 An MRI scan of Patient 9's heart muscles. Tissue analysis using T1-weighted MAPA sequences demonstrates elevated values (1,010 ms, 1.5T) after pulsotherapy with methylprednisolone, suggesting the presence of inflammatory myocarditis.

Patient 10 developed grade-4 ICI-induced hepatitis, leading to the interruption of ipilimumab combined with nivolumab therapy before starting BRAF/MEK inhibitor treatment. After beginning trametinib and dabrafenib, she developed painful erythematous cutaneous nodules on her extremities, along with myalgia. She initiated prednisone, improving symptoms, but her condition worsened when trying to reduce the corticosteroid dosage. The targeted therapy was changed to encorafenib/binimetinib, but the patient continued to experience skin lesions that were refractory to corticoid-sparing treatment due to prior immunotherapy use. Then, MTX started with 10 mg/day of prednisone. After discontinuing steroids, the patient achieved resolution of erythema nodosum-like lesions using a weekly dose of 20 mg MTX combined with encorafenib/binimetinib, despite experiencing mild nausea and hair loss. She had a complete response to systemic cancer therapy.

Rheumatologic irAE occurred in around 16% of the patients with metastatic cutaneous melanoma who received immunotherapy, according to a retrospective study of 415 patients between 2014 and 2020.50

In some cases, high-dose corticosteroids are required, particularly for severe ICI-related myositis, a potentially life-threatening condition.51 According to the literature, myositis may be associated with myocarditis in up to 40% of cases, and mortality rates are higher in those cases.52 Patient 9 received intravenous methylprednisolone therapy and started MMF, achieving prednisone sparing and remission of ICI-induced myositis-myocarditis.

American and European guidelines recommend 1 to 2 mg/kg of intravenous methylprednisolone or a higher dose bolus (500–1,000 mg/day for 3 days) for ICI-related myositis and myocarditis in the presence of severe symptoms of weakness or cardiac compromise.53 54 In cases refractory to methylprednisolone, intravenous immunoglobulin, abatacept (ABA, a CTLA-4 agonist), MMF, TCZ, and IFX are considered options for controlling myositis and myocarditis, according to some case series.55 56 Salem et al. reported a 3% mortality rate among 30 patients with ICI-induced myocarditis-myositis screened for respiratory failure, treated with active ventilation and higher doses of ABA combined with ruxolitinib.57

The use of BRAF/MEK inhibitors rarely lead to severe irAEs requiring corticosteroid pulses, such as small vessel vasculitis, uveitis, and papillitis.32 Recommendations for treating mild panniculitis include NSAIDs and topical steroids, while severe cases may require systemic corticosteroids and a reduction in or interruption of targeted therapy.13 58 Retrospective studies described unexpected toxicities, including rashes, abdominal pain, nausea, vomiting, diarrhea, pneumonitis, hepatitis, kidney injury, and cytokine release syndrome in patients using BRAF/MEK inhibitors who had previously been treated with immunotherapy.59 60

Preclinical studies have shown that BRAF inhibitors enhance antigen presentation and boost T-cell recognition of tumor antigens. Meanwhile, MEK inhibitors promote an increase in effector CD8 + T-cells within the tumor microenvironment. As a result, patients treated with BRAF/MEK inhibitors following ICI may experience enhanced immune-cell function and antigen presentation, along with an extended half-life of monoclonal antibodies induced by immunotherapy.61 In this context, Patient 10 presented uncommon refractory erythema nodosum-like lesions, so MTX was used to spare corticosteroids, allowing for the continuation of BRAF/MEK inhibitor therapy.

Discussion

In the present case series, all patients with AID continued systemic cancer therapy after controlling irAEs or flares. Furthermore, seven of ten patients received a low dose of a DMARD (MTX in the majority) to maintain stable immune-mediated disease while minimizing corticosteroid use. In clinical practice, we avoid using glucocorticoids or doses exceeding 10 mg/day when an alternative therapy is available, particularly in older patients.

Although this study had a limited sample size and lasted 6 months, it reported two cases where the combination of MTX therapy with BRAF/MEK inhibitors effectively controlled inflammatory symptoms in both joints and skin. Most case series described corticosteroid monotherapy, dose reduction, or suspension of small-molecule kinase inhibitors to manage irAE. Some reports of irAEs induced by BRAF/MEK inhibitors described the use of MTX to treat asymptomatic aortitis in preexisting RA, rituximab for granulomatosis with polyangiitis, and etanercept for toxic epidermal necrolysis.32 59 62 This case series suggests that MTX may be an option for managing arthritis and panniculitis while allowing continued use of BRAF/MEK inhibitors.

Patients who required enhanced immunosuppression to control inflammatory activity were preferentially treated with TCZ due to its antitumor properties and effectiveness as a DMARD. Some studies suggested that IL-6 inhibitors may be an alternative DMARD for patients at high risk for irAEs, with intense activity of preexisting AID, or for patients requiring ICI rechallenge (NCT03999749, NCT04940299).40 42

On the other hand, prospective studies are needed to clarify the safety of TNFi in melanoma patients treated with ICI. The use of ABA should be avoided as a DMARD for ICI-induced arthritis, as it inhibits T-cell activation.63 However, some case reports and a recent trial of ICI-induced myocarditis and myositis showed a good response to ABA therapy.55 57 64

When prescribing SSZ to anti-PD-1/PD-L1 users, caution is necessary due to the risk of hypersensitivity. The present case series highlights two patients with differing outcomes: one experienced severe adverse events induced by SSZ during ICI treatment, and another managed her arthritis successfully with SSZ after discontinuing ICI.

Furthermore, leflunomide (LFN) reduces T-cell clonal expansion and may impair the antitumoral effects of ICI.63 Guidelines for managing toxicity induced by BRAF/MEK inhibitors recommend LFN for treating rheumatic symptoms.13 However, a phase-I trial involving melanoma patients using this drug in combination with vemurafenib was terminated due to severe adverse events (NCT01611675).

The limited understanding of the pathophysiology of irAEs hinders the application of more effective therapeutic strategies. Targeting cytokines or their receptors is crucial for managing inflammatory symptoms, mitigating levels of immunosuppression, and enhancing oncological outcomes. Further studies are necessary to evaluate the effectiveness of agents targeting IL-6, IL-12, IL-17, and IL-23 in managing and preventing rheumatic, dermatological, and gastrointestinal irAEs.

Selecting a DMARD for metastatic melanoma patients requires consideration of its potential synergistic or detrimental effects on tumor behavior, patients' risk profile for irAE, the severity of rheumatic manifestations, ongoing cancer treatments, and any comorbidities. Individual cytokine profiles and specific immune cell types may direct future research for managing irAE. Additionally, the degree of immunosuppression experienced by a patient undergoing concurrent rheumatic and cancer therapy may significantly impact their prognosis and warrants further investigation.

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About the Journal

Journal: Brazilian Journal of Oncology

DOI: 10.1055/s-00059887

e-issn: 2526-8732

Publisher: Thieme Revinter Publicações Ltda.

Publisher address: Rua do Matoso 170, Rio de Janeiro, RJ, CEP 20270-135, Brazil

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