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Articles about Bilastine

Lack of Clinical Relevance of Bilastine-Food Interaction in Healthy Volunteers: A Wheal and Flare Study

By Articles about Bilastine, Publicaciones sobre Bilastina

Coimbra J, Puntes M, Gich I, Martínez J, Molina P, Antonijoan R, Campo C, Labeaga L

Int Arch Allergy Immunol. 2022 Jun 14:1-10. doi: 10.1159/000524856. Publicación electrónica previa a la edición impresa. PMID: 35700691.

Bilastine is a second-generation antihistamine with good selectivity for H1-receptors, and no brain-penetration. The objective of this study was to compare the pharmacodynamic activity of bilastine administered under fasting and fed conditions in healthy volunteers.

This was a randomized, open-label, two-period, crossover study involving 24 healthy participants who were given 20 mg of once-daily oral bilastine for 4 days under fasting and fed conditions, with a 7-day washout period. The plasma concentrations of bilastine plasma were measured for 24 h after the first and fourth doses in each period. Pharmacodynamic activity was assessed by wheal and flare surface inhibition and subjective assessment of itching, after intradermal injection of histamine.

When administered under fed vs. fasting conditions, the exposure to bilastine 20 mg decreased (mean maximum plasma concentration and area under the curve from time 0 to 24 h decreased by 34.27% and 32.72% [day 1], respectively, and 33.08% and 28.87% [day 4]). Despite this decrease, the antihistaminic effect of bilastine 20 mg did not change with food. On day 1, as measured by wheal and flare surface inhibition,

the maximum effect and duration of action of bilastine did not differ significantly between fasting and fed conditions, with only a short 30-min delay in the onset of wheal inhibition. On day 4, bilastine’s pharmacodynamic effects were not significantly affected under any condition.

In conclusion, the pharmacokinetic interaction of bilastine with food does not mean a significant reduction of its peripheral antihistaminic efficacy.

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The Impact of Bilastine on Symptoms of Allergic Rhinitis and Chronic Urticaria: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

By Articles about Bilastine, Publicaciones sobre Bilastina

Abdelshafy AM, Abdallah SY, Hassan AF, Mohamed HA, Kamal NM, Ali ST, Abdelhaleem IA

Am J Rhinol Allergy. 2022 May 20:19458924221097449. doi: 10.1177/19458924221097449. Epub ahead of print. PMID: 35593100

Allergic diseases are immunological reactions with symptoms that may impact quality of life. Bilastine, is a novel oral second-generation H-1 antihistamine, with high selectivity to H1 receptors and with anti-inflammatory properties, however there is not enough evidence regarding the drug efficacy.

The objective of this study was to assess the efficacy and safety of bilastine compared with placebo and other active antihistamines in patients with allergic rhinitis or chronic urticaria.

A literature search was made for randomized controlled trials which assessed bilastine effects on symptomatic hyper histaminic allergic conditions. Data on total symptoms scores (TSS), total nasal symptom scores (TNSS), discomfort associated with these allergic conditions measured by visual analog score (VAS), and quality of life (QoL) for allergic rhinitis and urticaria was collected. Other outcomes such as clinical global impression and safety profiles were reported. The studies were statistically analysed.

The analysis included 9 randomized controlled trials which included 3801 participants. The meta-analysis shown that bilastine was superior to placebo, improving TSS, TNSS, VAS, and QoL in participants with allergic rhinitis or chronic urticaria. Furthermore, bilastine was comparable to other antihistamines such as cetirizine, fexofenadine, and loratadine regarding these outcomes, with a safe and tolerable profile and with no difference in the incidence of adverse events.

In conclusion, bilastine improved TSS in hyper histaminic allergic conditions involving nasal symptoms in allergic rhinitis with a safe and effective manner. It decreased the discomfort associated with the condition resulting in better QoL of the participants.

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Efficacy and Safety of Bilastine in the Treatment of Allergic Rhinitis: A Systematic Review and Meta-analysis

By Articles about Bilastine, Publicaciones sobre Bilastina

Singh Randhawa A, Mohd Noor N, Md Daud MK, Abdullah B

Front Pharmacol. 2022 Jan 10;12:731201. doi: 10.3389/fphar.2021.731201. PMID: 35082662; PMCID: PMC8784885

Rhinitis is an inflammation of the nasal epithelium, leading to rhinorrhoea, nasal blockage, itching and sneezing. Allergic rhinitis is the most common form of rhinitis and occurs following exposure to allergens. Bilastine is one of the non-sedating second generation H1 oral antihistamines for allergic rhinitis. The objective of this study was to review the efficacy and safety of bilastine in treating allergic rhinitis.

This review was made after an electronic literature search of bilastine-related publications of randomized controlled trials comparing bilastine with placebo and standard pharmacotherapy up to March 2021. The included studies had to have description of diagnosis of AR established by clinicians and the outcomes with a minimum of 2 weeks of follow-up period.

The primary outcomes evaluated were total symptom score (TSS), nasal symptom score (NSS) and non-nasal symptom score (NNSS). The secondary outcomes were discomfort due to rhinitis, quality of life (QoL) and adverse events. The risk of bias and quality of evidence for all studies were also taken into consideration.

There were 135 records identified on the literature search after removal of duplicates. Following screening and review, 15 full-text articles were evaluated for eligibility. Five trials involving 3,329 patients met the inclusion criteria.

From the five trials included, bilastine was superior to placebo in improving TSS, NSS, NNSS, rhinitis discomfort score and QoL but demonstrated a comparable efficacy with other oral antihistamines in TSS, NSS, NNS, rhinitis discomfort score and QoL. The only adverse event where bilastine showed difference from placebo was in somnolence, and also with fewer incidence of somnolence compared to cetirizine. The overall quality of evidence ranged from moderate to high quality.

In conclusion, bilastine is safe and effective in the treatment of overall symptoms of allergic rhinitis with comparable efficacy and safety with other antihistamines except somnolence: while bilastine has a comparable efficacy to cetirizine, somnolence is notably fewer in bilastine.

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A Comparative, Three-Arm, Randomized Clinical Trial to Evaluate the Effectiveness and Tolerability of Bilastine vs Fexofenadine vs Levocetirizine

By Articles about Bilastine, Publicaciones sobre Bilastina

Shah B, Dhoot D, Choudhary A, Jangid N, Mistry D, Shah S, Kamat S, Barkate H

Clin Cosmet Investig Dermatol. 2022 Feb 18;15:261-270. doi: 10.2147/CCID.S350122.

Chronic spontaneous urticaria (CSU) is a common skin condition associated with angioedema, wheals, or both. Although second-generation antihistamines (SGAH) are first-line drugs in CSU, half of the patients do not respond to them. Guidelines recommendation for these patients is to up-dose SGAH or combine different antihistamines. The objective of this study was to examine the effectiveness and tolerability of up-dosing of bilastine and fexofenadine up to two times and combination of non-sedating second-generation antihistamines; levocetirizine and first-generation antihistamine; and hydroxyzine in patients with CSU.

This was a comparative, three-arm study, which randomized CSU participants to receive standard dose of either bilastine, fexofenadine, or levocetirizine for 2 weeks. After 2 weeks of treatment, non-responders received double dose of either bilastine or fexofenadine, while hydroxyzine 25 mg once daily was added in the levocetirizine group. Participants were assessed for better outcomes in CSU, quality of life, and somnolence.

The study included 110 participants with CSU. At the end of 4 weeks, 33/39, 26/35, and 22/36 patients in the bilastine, fexofenadine, and levocetirizine groups indicated improvement in urticaria symptoms. At week 2, the urticaria activity score improvement showed no statistical difference between any of the groups; however, at week 4, there was a statistical difference between the bilastine and levocetirizine groups (p<0.05). Somnolence was significantly lower in the bilastine group (p<0.05). Bilastine was statistically significant (p<0.05) in the improvement of quality of life as compared to both groups. There was no report of major adverse events during the study period; however, bilastine was related to significantly lower levels of adverse events compared to levocetirizine (p<0.05).

In conclusion, a two-fold up-dosing of bilastine improves CSU symptoms with no changes in safety as compared to two-fold up-dosing of fexofenadine and combination of first- and second-generation antihistamines.

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Experience with bilastine in the management of urticaria: Original Real-world cases of Bilastine In Treatment (ORBIT) in Asia

By Articles about Bilastine, Publicaciones sobre Bilastina

Cheong WK, Chan AWM, Ch’ng CC, Chung WH, Gabriel MT, Godse K, Mitthamsiri W, Nguyen HT, Tiongco-Recto M, Nagrale D

Drugs Context. 2022 Mar 15;11:2021-12-2. doi: 10.7573/dic.2021-12-2. PMID: 35371270; PMCID: PMC8932249

People with urticaria have a compromised quality of life and sleep, and school/work due to its incapacitating condition. It presents with red and itchy rash with characteristic wheals, and/or angioedema. Current guidelines recommend second generation H1-antihistamine as first-line treatment of urticaria. Bilastine is a second-generation H1-antihistamine indicated in children aged ≥6 years and adults (Europe) for the symptomatic treatment of urticaria and allergic rhino-conjunctivitis. It has a well-documented efficacy and safety profile, with a rapid onset and a prolonged duration of action and a low sedative potential.

The objective of the Original Real-world cases of Bilastine In Treatment (ORBIT) study was to evaluate real-world cases published from the Asia-Pacific region in adults and children using bilastine for the long-term management of urticaria.

Eight cases diagnosed and classified according to international guidelines as chronic spontaneous urticaria or inducible urticaria were presented:

  • Case 1: 35-year-old man complaining of an itchy skin rash for the previous 6 months
  • Case 2: 10-year-old boy who developed recurrent hives over the past 3-4 years
  • Case 3: 54-year-old woman with poorly controlled chronic urticaria and intolerance to sedating antihistamines
  • Case 4: 33-year-old woman with cholinergic urticaria
  • Case 5: 20-year-old woman with intensely itchy rash
  • Case 6: 61-year-old woman with atopic (allergic rhinitis) with new-onset urticaria
  • Case 7: An elderly man with recalcitrant CSU unresponsive to second-generation antihistamines
  • Case 8: Chronic rash in an elderly man with multiple comorbidities

Although this was a small and diverse group of patients with urticaria considered difficult to treat, the administration of bilastine as per the approved label was well tolerated and effective in the long-term management of urticaria.

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Bilastine 10 and 20 mg in paediatric and adult patients: an updated practical approach to treatment decisions

By Articles about Bilastine, Publicaciones sobre Bilastina

Amalia Leceta, Aintzane García, Ander Sologuren, Cristina Campo

Drugs Context . 2021 Aug 10;10:2021-5-1. doi: 10.7573/dic.2021-5-1. eCollection 2021

Bilastine is a non-drowsy H1-antihistamine for treating allergic conditions such as rhinoconjunctivitis and urticaria in people of all ages. This review aims to update a former article, focusing on recent clinical data on the use of bilastine in children and adults.

Data was collected from recent clinical studies in children and adults from Faes Farma. Most of the new information was updated on paediatric and elderly use. The European Medicines Agency approval took place in 2017 following a Paediatric Investigation Plan from 2009. Faes Farma received questions related to drug interactions involving bilastine and other concomitant medicines and the use of bilastine in special populations or for the treatment of specific conditions. The summarized advice from specialists consisted of interactions involving the cytochrome P450 isozyme system, leading to changes in drug exposure and, therefore, clinical efficacy and safety. Elderly patients are at particular risk of drug-drug interactions due to the number of concurrent medicines and comorbidities. Of importance are also potential drug-drug interactions between bilastine and drugs with a narrow therapeutic index.

In conclusion, although bilastine has a favorable pharmacokinetic profile, decisions on its use should rely on evidence, expert opinions, and the SmPC of bilastine. Nevertheless, further studies are needed to answer specific questions regarding its use.

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Real-Life Experience of Efficacy and Safety of Bilastine in the Refractory Cases of Chronic Spontaneous Urticaria and its Effect on the Quality of Life of Patients

By Articles about Bilastine

Abhishek De, Kiran Godse, Dhiraj Dhoot, and Aarti Sarda

Indian J Dermatol . Mar-Apr 2021;66(2):159-164. doi: 10.4103/ijd.IJD_771_20.

Chronic spontaneous urticaria is a skin condition with wheals and angioedema, for more than six weeks. Second-generation H1-antihistamines are the first line treatment for these allergic conditions, namely bilastine. The aim of this study was to assess long-term efficacy and tolerability of bilastine in patients with chronic spontaneous urticaria in India.

This was a retrospective analysis that identified patients with urticaria who were prescribe bilastine between May, 1, 2019 to March, 20, 2020 from analysis of electronic medical records. Patients with unsatisfactory response to previous treatment were also included. Unsatisfactory treatment was assessed as per Urticaria Activity Score 7 (UAS7). The efficacy of the treatment was evaluated by revising their UAS7 score ate weeks 4, 8, 12, 16, 20. DLQI was also evaluated and compared at baseline and week 24.

The study included 49 patients. At 24 weeks, 51% of them had achieved treatment response (UAS = 0) and the remaining 49% had a well-controlled urticaria (UAS <6). At 24 weeks, mean UAS7 was statistically significant compared to baseline values (1,35 ± 1,61 vs. 20,2 ± 5,73), and mean DLQI score also decreased to 1,63 ± 1,18, compared to 8,39 ± 2,49 at baseline.

In conclusion, this study demonstrated that patients who usually had an inadequate response with commonly used antihistamines, when switched to bilastine had their quality of life and symptoms improved.

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Pharmacokinetics and Safety of a Bilastine Once-Daily, Preservative-Free, Ophthalmic Formulation

By Articles about Bilastine, Publicaciones sobre Bilastina

Dolores Ochoa, Manuel Roman, Carmen Belmonte, Samuel Martin-Vilchez, Gina Mejia-Abril, Francisco Abad-Santos, Gonzalo Hernandez, Paula Arranz, Lorena Elgezabal, Nieves Fernandez

Adv Ther . 2021 Jun 12. doi: 10.1007/s12325-021-01801-y. Online ahead of print.

Bilastine is a second-generation H1 antihistamine for allergic conditions. A new ophthalmic formulation was developed based on the efficacy and safety profiles of the oral formulation. The aim of this study was to assess the safety and pharmacokinetics of ophthalmic bilastine (6 mg/ml) in adults after one and various doses.

This was an open-label, single-centre, phase 1, bioavailability study that included 12 healthy participants (aged 18-55 years old). Participants were administered one drop of the bilastine eye formulation in each eye for five days. Serum levels of bilastine were assessed by HPLC-MS/MS and adverse drug reactions registered during administration and follow-up.

After various admininistrations, bilastine blood levels were 2682,26 ± 1615,88 pg/mL at 2,5 hours. The half-life of bilastine was 7,88 ± 6,72 h. Area under the curve was 19512,51 ± 9248,76 h/pg/mL. Dysgeusia was the main adverse event, which was mild and transient.

The ophthalmic formulation has proved to be absorbed in low amounts to the bloodstream, showing a good safety profile after administration of various doses.

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Application of a dual mechanistic approach to support bilastine dose selection for older adults

By Articles about Bilastine

Chaejin Kim, Valentina Lo Re, Monica Rodriguez, John C Lukas, Nerea Leal, Cristina Campo, Aintzane Garcia-Bea, Elena Suarez, Stephan Schmidt, Valvanera Vozmediano

CPT Pharmacometrics Syst Pharmacol . 2021 Jun 22. doi: 10.1002/psp4.12671. Online ahead of print.

Bilastine is a second-generation H1-selective antihistamine for the treatment of allergic conditions in adults and children. It has a rapid onset and a long duration of action. Its pharmacokinetic and pharmacodynamic properties are favorable for all ages, although there’s a lack of studies in older adults, who are heterogenous in different aspects, namely age, comorbidities and comedication.

The aim of this study was to assess the recommendation of the dose of bilastine in older adults.

This was done by integration of bilastine in vitro and in vivo physicochemical data from young adults and studying the effect of aging with two different approaches: a physiologically based pharmacokinetic (PBPK) model and a semi-mechanistic population pharmacokinetic model (Senescence). The PBPK model used intestinal apical efflux and basolateral influx transporters to capture the results from young adults after single IV (10 mg) and 20 mg oral doses, which supports the hypothesis of gut transporters involvement on secretion. The Senescence model was developed from a published PopPK model adding up declining functions on different physiological systems and body composition changes with age.

Both models were then qualified using data from 16 older adults, mean age 68,7 years. The PBPK model was also used to assess the dose in older people (80 years old).

Both models showed that a daily dose of 20 mg is safe and effective in older people, supporting the existing information in this age group.

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High dose Bilastine for the treatment of Bascule Syndrome

By Articles about Bilastine

L Cunningham

Clin Exp Dermatol . 2020 Jul 13. doi: 10.1111/ced.14377. Online ahead of print.

Bascule syndrome (bier anaemic spots and cyanosis with urticarial-like eruption) was described for the first time in 2016 and it remains to be fully elucidated. To date no successful treatment has been described.

This is a case study of a 16-year old boy who presented a patchy discolouration of the lower legs in a dependent position, associated with burning and stinging sensations and dizziness and light-headedness when moving from sitting to standing. These symptoms were present for a year. Allergy, neurology and cardiology consultations were inconclusive, Tilt table testing revealed no evidence of orthostatic hypotension or postural orthostatic tachycardic syndrome but triggered his symptoms. A dermatologist diagnosed him with Bascule syndrome, based on his clinical findings.

Different antihistamines were trialled (cetirizine 10 mg daily, bilastine 20 mg daily) with no success. A dose of bilastine 40 mg twice daily completely resolved his symptoms, but recurred when the dose was reduced to half.


This is the first documented case of a successful treatment of Bascule syndrome with bilastine. It is likely that the dose needed may be higher than usual dose antihistamines. Also, the decision to treat with antihistamines should be based on symptoms.

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Effectiveness, safety and tolerability of Bilastine 20 mg versus Levocetirizine 5 mg for the treatment of chronic spontaneous urticaria: a double-blind, parallel group, randomized controlled trial

By Articles about Bilastine

Indrashis Podder, Anupam Das, Shouvik Ghosh, Debalina Biswas, Sujata Sengupta, Satyendra Nath Chowdhury

Dermatol Ther. 2020 Jul 2;e13946. doi: 10.1111/dth.13946. Online ahead of print.

Chronic urticaria is characterized by wheals with or without angioedema for, at least, 6 weeks. It is a debilitating condition that affects people’s quality of life. Bilastine is a novel non-sedative H1 antihistamine approved for symptomatic treatment of allergic rhinoconjunctivitis and urticaria in patients older than 12 years old.

The objective of this study was to compare the effectiveness, safety and tolerability of bilastine 20 mg with levocetirizine 5 mg in moderate-to-severe chronic spontaneous urticaria.

This was a double-blind, randomized, controlled study with two arms: bilastine 20 mg once daily (31 participants) and levocetirizine 5 mg once daily (27 participants) for 42 days. The severity of urticaria, global urticaria-induced discomfort and quality of life were evaluated with UAS7 (urticaria activity score), VAS (visual analogue scale) and DLQI (dermatology life quality index) at baseline and follow-up visits.

Primary objective was to assess the variation of the UAS7, and secondary objectives assessed changes in DLQI and VAS. Safety, tolerability and compliance were evaluated by analysis of drug-related adverse events, biochemical investigations and electrocardiogram.

Both bilastine and levocetirizine improved UAS7, DLQI and VAS at the end of treatment. Also, all parameters showed greater improvement with bilastine, but only the UAS7 revealed a significant reduction (p = 0,03). Sedation was also significantly less with bilastine (p = 0,04). Both treatments improved UAS7 and VAS significantly from day 14. No serious adverse effects were registered.

In conclusion, bilastine demonstrated a better efficacy and less sedation for chronic spontaneous urticaria when compared to levocetirizine, however similar effect on quality of life.

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Elucidation of Inverse Agonist Activity of Bilastine

Elucidation of Inverse Agonist Activity of Bilastine

By Articles about Bilastine

Hiroyuki Mizuguchi, et al.

Pharmaceutics 2020, 12, 525; doi: 10.3390/pharmaceutics12060525.

Histamine is a chemical mediator that causes pollinosis symptoms such as a sneezing, rhinorrhoea, nasal obstruction, nasal itching, and itching of the eyes. H1-antihistamines antagonize histamine H1, preventing it from binding to the histamine H1 receptor (H1R). Bilastine is a non-sedative recently launched H1-antihistamine which has high affinity for H1R. It is one of the H1-antihistamines that most satisfies the requirements of allergic rhinitis and asthma guidelines. Inverse agonists are thought to be more potent than neutral antagonists because they supress the intrinsic histamine signalling in addition to the H1-antihistamine effect. Nevertheless, there is a lack of information regarding bilastine inverse agonist activity.

This study assessed if bilastine has inverse agonist activity or not. HeLa cells that express H1R endogenously here used, and three methods applied: time-lapse Ca2+ imaging, inositol phosphates (IPs) accumulation and H1R gene expression. Intracellular calcium concentration was measured using Fluo-8. Inositol phosphates accumulation was assayed using [3H]myo-inositol. The H1R mRNA level was measured using real-time RT-PCR.

H1R intrinsic activity was shown by Ca2+ oscillation. Also, bilastine suppressed IPs formation and basal H1R gene expression in a dose-dependent manner.

These results elucidate that bilastine has an inverse agonist activity. Taking bilastine before pollen season, the H1R gene expression level can be kept low, improving pollinosis symptoms.

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rinitis alérgica

Multidisciplinary Real-World Experience With Bilastine, a Second Generation Antihistamine

By Articles about Bilastine

Lynde CW, Sussman G, Dion PL, Guenther L, Hébert J, Rao J, Leek TV, Waserman S.


J Drugs Dermatol. 2020 Feb 1;19(2):145-154. doi: 10.36849/JDD.2020.4835.

Allergic conditions, such as seasonal allergic rhinitis, perennial allergic rhinitis (PAR), and urticaria (both acute and chronic) are frequently treated with H1-antihistamines. However, first-generation H1-antihistamines cause impairment and potentially interfere with restful sleep, cause hangovers or “morning after” effects, impair learning and memory, and reduce work efficiency. Second generation antihistamines, such as bilastine have shown to decrease allergy symptoms effectively without causing night-time sleep disturbances and related adverse events.

Bilastine is a prescription medicine. It is not derived from nor is it a metabolite of another antihistamine, has a rapid one-hour onset of action and provides sustained efficacy. Bilastine does not penetrate the brain, is scarcely metabolized and does not interact with cytochrome P450. For the treatment of allergic conditions in adults and children over 12 years of age, a daily oral dose of bilastine 20 mg is recommended.

This real world case project was developed to help optimize patient care and supported with evidence from the literature. It included patients between 9 and 76 years old with seasonal allergic rhinitis, perennial allergic rhinitis and chronic and acute urticaria as well as urticarial vasculitis and pruritus associated with inflammatory skin conditions.

The presented cases using bilastine showed positive outcomes for the patients, relieving symptoms with safety and good tolerance.

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La urticaria crónica (CUR) contribuye a la comprensión y el conocimiento de la enfermedad en la región.

Impact of treatment with bilastine for PD-1/PD-L1 inhibitors induced rash

By Articles about Bilastine

Hirata T.

Ann Oncol. 2019 Feb;30 Suppl 1:i13. doi: 10.1093/annonc/mdz026.005. Epub 2020 Jan 8

Several tumors are treated with PD-1/PD-L1 inhibitors, such as nivolumab, pembrolizumab, atezolizumab. However, these are known to induce rash in some cases. Rash treatment included antihistamines and corticosteroids. Bilastine is a non-sedating second generation H1-antihistamine, but its effectiveness in rash caused by PD-1/PD-L1 inhibitors is unknown. The aim of this study was to assess the efficacy of bilastine in these cases.

This study included 84 patients with PD-1/PD-L1 rash of a group of 224 patients from a Japanese medical center between September 2014 and October 2018. They were classified into 4 groups according to the systemic antihistamine and topical corticosteroid therapy: (1) bilastine and corticosteroid group (n = 18), (2) another antihistamine and corticosteroid group (n = 22), (3) bilastine only group (n = 20) and (4) another antihistamine group (n = 24).

The group in bilastine and corticosteroid showed a significantly shorter median duration of treatment than group 2. Bilastine group had a significantly shorter period of systemic medications than the another antihistamine group. Adverse events reported included somnolence (3 %), headache (3 %) and dizziness (3 %) and no serious adverse events were reported.

In conclusion, bilastine treatment reduced the need and duration of topical corticosteroid use in PD-1/PD-L1 inhibitors induced rash with a good safety profile.

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seguridad tolerabilidad bilastina

The safety and tolerability profile of bilastine for chronic urticaria in children

By Articles about Bilastine

Papadopoulos NG, Zuberbier T.

Clin Transl Allergy. 2019 Oct 23;9:55. doi: 10.1186/s13601-019-0294-3. eCollection 2019. Review.

Urticaria is characterized by the development of pruritic wheals, angioedema or both. Guidelines from early 2018 recommend that urticaria is classified based on its duration as acute (< 6 weeks) or chronic (> 6 weeks). In addition, they also classify chronic urticaria as spontaneous or inducible. Chronic urticaria is less frequent than acute in children, but is a condition that requires treatment, as it affects children’s daily activities, disturbs sleep, causes emotional distress and influences negatively learning and cognition.

Bilastine is a H1-antihistamine that has been studied in children at the dose of 10mg/daily and is licensed for the symptomatic relief of urticaria symptoms in children > 6 to 11 years.

Investigation in paediatric population included bilastine and rupatadine among the second-generation antihistamines. A phase III, doubleblind, randomized, placebo-controlled, parallel-group clinical trial was carried out to assess the safety and tolerability of bilastine 10 mg once daily for 12 weeks in 509 children aged 2–11 years with allergic rhinitis or chronic urticaria. The primary endpoint was the proportion of children in each treatment group without treatment-emergent adverse events (TEAEs). Secondary endpoints included the assessment of somnolence/sedation with the Pediatric Sleep Questionnaire (PSQ). No statistically significant differences were found between treatment groups for incidences of TEAEs or related TEAEs in the population overall or by age subgroup. The majority of related TEAEs were mild to moderate in intensity. PSQ scores for somnolence/sedation decreased slightly from baseline to week 12 in both the bilastine 10 mg and placebo groups.

In conclusion, bilastine is a suitable for treatment of urticaria in children, due to its efficacy and good tolerability profile that were proven in well-controlled studies. Specifically, lack of potential to induce sedation allows prolonged administration without impairment of performance and learning abilities.

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