Case Report Open Access
Cutaneous manifestations of Nilotinib
Deena Mudawi1, Nancy Kassem2, Abdulqadir Nashwan1 and Mohamed A Yassin1*
1Hematology section, Medical Oncology, HMC
2Department of pharmacy, NCCCR, HMC
*Corresponding author: Mohamed A Yassin, Consultant Hematologist, NCCCR –HMC, E-mail: @
Received: June 20, 2018; Accepted: August 1, 2018; Published: August 2, 2018
Citation: Yassin MA, Mudawi D, Abdulqadir N, Kassem N (2018) Cutaneous manifestations of Nilotinib. Int J Hematol Blo Dis 3(1). 1-3
Nilotinib is a highly selective second-generation Bcr-Abl tyrosine kinaseInhibitor (TKIs), which is effective in patients with Philadelphia chromosome–positive chronic myeloid leukemia (CML). Tyrosine kinase inhibitors have broadly similar types of non-hematological adverse side effects (AES), but some of the AES are specific to one drug compared to the others. In general, the TKIs are well tolerated with mostly (grade1-2) toxicities, and relatively limited grade (3- 4) toxicities. For best management of CML patients receiving TKI therapy, early recognition and knowledge of potential toxicities are required, allowing for optimal management of the condition without interruption of the drug.

Key words: Nilotinib; Skin rash; chronic myeloid leukemia
Chronic myeloid leukemia is a clonal myeloproliferative disorder characterized by the expansion of hematopoietic cells carrying the Philadelphia chromosome (Ph), resulting from a reciprocal translocation of the long arms of chromosomes 9 and 22.

A novel fusion gene is formed, BCR-ABL, which encodes a constitutively active protein tyrosine kinase. Nilotinib is a second-generation_Bcr-Abl, tyrosine kinase inhibitor introduced in 2007 for the treatment of chronic myeloid leukemia (CML) as front line or Imitanib resistance or intolerant (CML), and other malignancies. Nilotinib has a favorable safety profile, however is associated with several off-target side effects, including skin rashes, the incidence of which has been reported in clinical trials and ranges from 20% to 60%,[13], but no specific type of rashes are mentioned.

Here we present two patients with different types of skin rashes, which developed two weeks after starting Niltiniob and disappeared with conservative treatment without stopping or modifying the dose of Niltoinib
Case reports
Case 1
31 –year-old Filipino male with no chronic illness, discovered incidentally to have leukocytosis and review of peripheral smear was suggestive of chronic myeloid leukemia. Clinical examination revealed splenomegaly 4 cm below costal margin and bone marrow biopsy with aspiration and conventional cytogenetics confirmed the diagnosis of chronic myeloid leukemia in chronic phase. The patient was started on Nilotinib (300 mg twice a day) as upfront therapy and two weeks after initiation of Nilitonib the patient developed extensive skin rash.

On examination, the patient had diffuse follicular papules over the trunk and upper limbs extending to the dorsum of both hands. Although the rash was diffuse, it was more covering the left side of his back and few p eruptions on the extensor portions of the upper limbs and the dorsum of both hands as well (Fig. 1, Fig. 2). The patient declined a skin biopsy. Nilotinib was continued without dose adjustment, emollients and low dose topical corticosteroid (1%) hydrocortisones were prescribed, and seven days later the rash disappeared.
Case 2
26 –year-Chinese female with no chronic illness, presented with increase abdominal girth and was found to have leukocytosis with a peripheral smear suggestive of chronic myeloid leukemia. Clinical examination revealed significant splenomegaly 10 cm below costal margin, and bone marrow biopsy with aspiration and conventional cytogenetics confirmed the diagnosis of
Figure 1
Figure 2
Figure 3
chronic myeloid leukemia in chronic phase. She was started on Nilotinib (300 mg twice a day) and two weeks after initiation of Nilotinib; the patient developed an extensive rash on her face that mimicked the classical butterfly skin rash of systemic lupus erythematosus. The differential diagnosis included auto-immune disease I.e.: systemic lupus erythematosus (SLE), however her ANA was negative and there was no clinical, hematological, or biochemical manifestations of autoimmune disease. Nilotinib was continued without dose adjustment, emollients and low dose topical corticosteroid (1%) hydrocortisones were prescribed, and seven days later the rash disappeared.
Nilotinib is a second-generation Bcr-Abl tyrosine kinase inhibitors approved for use as first-line therapy for CML or as second line for imatinib resistant CML.

Nilotinib is generally well tolerated, however, as with all TKIs; it has off-target side effects. Skin reactions are one of the common non-hematological side effects reported with Nilotinib with incidence of rash varying from 22% to 62% in clinical trials [1-3]. Other dermatological side effects include pruritus, dry skin and rarely alopecia [4-7]

In the ENESTnd trial, skin rash occurred in 31% of patients who received Nilotinib at a dose of 300 mg twice a day, and 36% in those taking Nilotinib at 400 mg twice a day, yet only 11% in patients taking Imatinib (Grade 3-4 in < 1% vs. 3% vs. 1%, respectively) [7]. Similarly in the MDACC trial, rash was reported in 49% of patients [3].

Skin rashes associated with Nilotinib are usually mild or moderate in severity and can present with various manifestations including erythema, morbiliform eruptions or keratosis pilarislike lesions. The lesions are usually located on the trunk and arms, and less frequently on the extremities and the face [8].

The mechanism of these skin reactions is not clear, however, it might be attributed to the tyrosine kinase inhibition action of Nilotinib and the activity of tyrosine kinases in the skin. Nilotinib inhibits the following kinases, in order of potency: Discoidin domain receptor 1 DDR-1>DDR-2>Bcr-Abl>PDGFR-A/B > c-KIT >CSF-1R [9]. It also decreases extracellular matrix protein synthesis in fibroblasts derived from human skin biopsies [10].

Management usually includes topical emollients and steroids, and in some cases systemic therapies with antihistamines or short courses of systemic steroids. In mild and moderate cases, interruption or discontinuation of TKI treatment are not indicated [11].

In our cases, the rashes improved after approximately 7 days with the use of emollients and low dose topical corticosteroid without interruption or reduction of Nilotinib dose.
Nilotinib is an effective tyrosine kinase inhibitor for the treatment of CML, early recognition and understanding of nonhematological adverse effects including skin rashes are required for the optimal management of patients with CML as interrupting the TKI may not be in the best interest of the patient as achieving molecular remission is the goal of therapy in the management of patients with CML.
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  13. NileshWasekar, Aniket B Mohite, Chandrakala S, Vinod P, Rajesh P, Shailesh B, Farah Jijina Dr. J C Patel Department of Hematology, KEM Hospital, Mumbai, Maharashtra, India.
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