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Severe tinnitus and migraine headache in a 37-year-old woman treated with trastu

时间:2024-12-24

INTRODUCTION

Trastuzumab(Herceptin)is a humanized monoclonal antibody against the extracellular domain of human epidermal growth factor receptor(HER2)protein and is the first HER2-targeted therapy approved for the treatment of HER2-positive breast cancer[1].Trastuzumab is generally a well-tolerated drug,although both acute and subacute adverse events such as flu-like syndrome and cardiotoxicity have been observed[2].Tinnitus has not previously been reported as an adverse event related to trastuzumab.Here,we report a rare case of severe tinnitus and migraine induced by trastuzumab during the first cycle of adjuvant therapy.

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CASE PRESENTATION

Chief complaints

A 37-year-old Chinese woman was diagnosed as hormone receptor-positive and HER2-positive infiltrating duct carcinoma in her left breast.

History of present illness

The patient felt a painless lump in the left breast during a physical examination.After several examinations,she underwent breast-conserving surgery,and sentinel lymph node biopsy was resultingly found to be 1/4 positive.

History of past illness

The patient’s prior medical history was unremarkable.The patient did not demonstrate any history of drug allergies and had no history of ear,nose,and throat(ENT),migraine or other central nervous system diseases.

Personal and family history

The patient gave birth at the age of 25 and breastfed her infant.She experienced regular menstrual cycles and had no family history of cancer.

Physical examination

A physical examination of the patient revealed a 1.0 cm × 1.0 cm non-tender mass in the upper outer quadrant of the left breast.Her physical examination confirmed no signs of ENT diseases,central nervous system diseases or cerebral metastasis.And she had a body mass index(BMI)of 30.4.

Laboratory examinations

Laboratory examinations(routine blood analysis,liver biochemical analysis,renal function,tumor markers,)were normal.

Trastuzumab is a monoclonal antibody used as a standard treatment for breast cancer when the cancer cells overexpress HER2.Trastuzumab is typically well-tolerated;chills,flu-like symptoms,fever,nausea,skin rash,and cardiac toxicity are the most commonly reported adverse effects,and,less frequently,severe thrombocytopenia,hepatotoxicity,and systemic capillary leak syndrome have been described by some studies[3-5].

Imaging examinations

The patient’s lungs,bones and liver were normal.Imaging examination did not demonstrate any evidence of distant metastases.A cerebral magnetic resonance imaging scan revealed no sign of intracranial or skeletal cranial metastases or any vascular disorders(Figure 1).

FINAL DIAGNOSIS

The final diagnosis of the presented case was primary breast cancer at stage IIB(pT2N1M0).The tumor was estrogen- and progesterone-receptor-positive and HER2-positive.Fluorescent in-situ hybridization revealed HER2 amplification in the patient.

TREATMENT

All study participants,or their legal guardian,provided informed written consent prior to study enrollment.

The premedication agent(dexamethasone;8 mg every 12 h for three doses beginning 12 h before administration of docetaxel)was administered before docetaxel to decrease the occurrences of anaphylactic reactions(ARs).Because ARs have been frequently reported with taxanes,drug administration occurred in the order of trastuzumab,pertuzumab and docetaxel.

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During the first cycle of targeted therapy,the patient received 468 mg of trastuzumab monotherapy at a rate of 3 mg/min.Approximately 30 min after the administration of 90 mg of trastuzumab,the patient complained of severe tinnitus and left-sided migraine headache.The infusion of trastuzumab monotherapy was discontinued immediately,and the symptoms disappeared after 10 min.After resolution of severe tinnitus and migraine,the patient was administered trastuzumab for the second time.However,20 min following trastuzumab re-administration,severe tinnitus and migraine headache again developed,and trastuzumab was therefore stopped.Steroid therapy was successfully used to combat these reactions.Both severe tinnitus and migraine headache diminished after 10 min.The patient’s vital signs were carefully monitored during drug administration,and body temperature,pulse rate,respiratory rate,and blood pressure were normal.Subsequent investigation revealed that the white blood cell count,hemoglobin level,and platelet count as well as the liver and renal functions were also normal.There were no signs of a rash.Other causes of tinnitus were excluded by consultation with an otolaryngologist and a neurosurgeon,and the possibility that the headache could be attributed to a disorder of the ears was also ruled out.External auditory canal was eumorphic,and the ear drum membrane was in keeping with physiological obliquity.The patient’s limbs were not swollen,and she maintained free movement of all four limbs with normal muscle force and strength.No pathological reflection of Babinski's sign was induced.There was no evidence of acute stroke,intracranial hemorrhage,or hydrocephalus.

Multidisciplinary team members carefully assessed,communicated and informed the patient of appropriate treatment benefit and risk.Subsequently,pertuzumab(840 mg)and docetaxel(100 mg/kg)therapy was initiated,and no adverse events were observed.The patient’s symptoms were not likely a result of bacterial contamination,as the residual liquid bacteria culture was negative.Therefore,the severe tinnitus and migraine headache were significantly associated with trastuzumab rather than with pertuzumab or docetaxel.

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OUTCOME AND FOLLOW-UP

Immunolabeling patterns of HER2 have been described in the utricle and cochlea of rat P3 cultures[18].Zhang[19]showed the pattern of HER2 Labeling in the utricle,saccule,organ of Corti,lateral wall,and spiral ganglion region of adult chinchillas.Whether the severe tinnitus and headache associated with the use of trastuzumab are related to the overexpression of HER2 in the human inner ear remains unclear.

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DISCUSSION

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Here,we describe a case of severe tinnitus and migraine headache induced by trastuzumab.The symptoms recurred on two occasions during trastuzumab usage and re-administration when the patient received her first cycle treatment of trastuzumab.Our case shows,for the first time,that severe tinnitus and migraine headache can be simultaneously induced by trastuzumab infusion.The first case of trastuzumab-related strictly unilateral headache was reported in 2003:A 59-year-old patient experienced severe headache,back pain,fatigue,and a decrease in blood pressure after trastuzumab administration[6].The second case of trastuzumab-induced throbbing headache was reported in 2009[7].A 31-year-old woman experienced a very strictly unilateral headache with photophobia,nausea,and vomiting following infusion of trastuzumab.The authors stated that the nature of the migraine headache was not entirely understood[7].Subsequently,other reports discussed the theory that monoclonal antibodies such as trastuzumab could possibly induce aseptic meningitis,which seemed to be part of an infusionrelated reaction or immune-mediated hypersensitivity phenomenon[8,9].

Tinnitus is a subjective complaint defined as a sound in the head or ears that occurs in the absence of any external acoustical source.Studies report tinnitus prevalence ranging from 5.1%-42.7% by different age groups and generally showing an increase in prevalence as age increases.Young adults with migraines are more likely to suffer from tinnitus[10].There is limited knowledge of direct biological links between migraine and tinnitus.One cross-sectional study showed that headache was associated with tinnitus,and the association was stronger for individuals reporting migraine with aura[11].Ear injuries,central sensitization,and visual snow can cause tinnitus and may be related to the occurrence of migraines[12,13].Migraine,tinnitus,anxiety and depression are prevalently comorbid disorders and have been frequently reported in patients with visual snow.Visual snow may start during or shortly after migrant aura.One theory suggests that there is a bidirectional relationship among depression,visual snow and migraine[14].But in this case,the young patient did not have any past histories and clinical symptoms in the later following-up.

Studies suggest that ototoxicity is a possible adverse effect during treatment with taxanes[15].Although Sarafraz and Ahmadi[16]did not observe tinnitus or hearing loss as the significant side-effects of taxanes,Xuan[17]presented two cases of ototoxicity caused by docetaxel-based chemotherapy regimens and speculated that docetaxel may result in degeneration of nerve fibers through disrupted axon transportation.They also suggest that clinicians note the adverse effect on the audiovestibular system caused by neurotoxic chemotherapy[17].

Given the HER2-positive nature of the patient’s cancer and the clinical course,administration of trastuzumab retreatment was attempted 21 d later.She received subsequent infusions of trastuzumab every three weeks afterward,and none of the previous adverse reactions recurred.

To our knowledge,severe tinnitus and migraine headache with single-agent trastuzumab use are so rare that they had not yet been reported as adverse events in the existing literature.This case therefore has some limitations because only a single case has been reported so far,but more cases may be reported in the future.Because of the widespread use of this drug,we should pay more attention to its adverse reactions,especially because more serious complications may be prevented when adverse events are detected early.Because other patients may experience tinnitus induced by trastuzumab infusion,it is necessary to inform them of the potential adverse events before the use of trastuzumab;these events can also be specified in the drug instructions.The severe tinnitus and migraine headache induced by trastuzumab are noteworthy,and further studies are needed to evaluate whether targeted therapy treatment strategies affect migraine and tinnitus and to determine the mechanisms associated with the symptoms.

CONCLUSION

In conclusion,although trastuzumab is widely used and well-tolerated in most patients,we still should pay attention to the risk of severe tinnitus and migraine induced by trastuzumab.This case report serves as a reminder to be aware of adverse reactions of the breast cancer drugs.

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ACKNOWLEDGEMENTS

We thank the patient,her family,and the personnel involved in the treatment of this case.

FOOTNOTES

Liu YZ made contribution to treating the patient,collecting data and writing the article;Jiang H,Zhao YH,Zhang Q,Hao SC,Bao LP,Wu W,Jia ZB,Jiang HC made contribution to treating the patient.

After surgery,a standard dose regimen of adjuvant chemotherapy and targeted therapy was initiated.This therapy consisted of four cycles of epirubicin(90 mg/m)and cyclophosphamide(600 mg/m)administration every three weeks followed by four cycles of docetaxel(100 mg/m)administration in combination with trastuzumab(8 mg/kg and 6 mg/kg)plus pertuzumab(840 mg and 420 mg)every three weeks.We planned to follow the treatment regimen consisting of trastuzumab plus pertuzumab for one year.

The authors declare that there is no conflict of interest.

The authors have read the CARE Checklist(2016),and the manuscript was prepared and revised according to the CARE Checklist(2016).

This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers.It is distributed in accordance with the Creative Commons Attribution NonCommercial(CC BYNC 4.0)license,which permits others to distribute,remix,adapt,build upon this work non-commercially,and license their derivative works on different terms,provided the original work is properly cited and the use is noncommercial.See: http://creativecommons.org/Licenses/by-nc/4.0/

China

Yong-Zhi Liu 0000-0001-7054-0887;Hai Jiang 0000-0003-4826-8500;Yong-Hua Zhao 0000-0003-4245-1590;Qi Zhang 0000-0002-7303-1399;Shi-Chao Hao 0000-0002-7763-973X;Li-Ping Bao 0000-0001-5663-0122;Wei Wu 0000-0002-4615-1547;Zhao-Bo Jia 0000-0003-4959-1967;Hui-Chuan Jiang 0000-0001-8057-9689.

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