Efficacy and Safety of CT-P13 as First- and Second-Line Treatment in Patients with Ankylosing Spondylitis
<b>Background/Objectives:</b> CT-P13 is a biosimilar version of infliximab, a monoclonal antibody. In individuals with ankylosing spondylitis (AS), CT-P13 has been shown to be effective and to have a well-tolerated safety profile. The aim of this study was to evaluate the long-term drug persistence, safety, and efficacy of infliximab biosimilar CT-P13 in patients with AS undergoing first-line (1st-line) and later (≥2nd-line) treatment in clinical practice. <b>Methods:</b> We performed an observational cohort study that included AS patients based on the biological drug database in the TURKBIO Registry between 2014 and 2021. The patients were divided into two groups: those receiving CT-P13 as first-line treatment or as a switch (≥2nd-line) from another TNF inhibitor (TNFi). Standard disease activity metrics were used to assess the effectiveness of CT-P13, and drug retention rates were investigated. <b>Results:</b> There were 179 AS patients using CT-P13 (47.4% male, mean age: 42.9 ± 11.3 years). Of these patients, 123 (68.7%) were receiving CT-P13 as a first-line treatment. The mean length of treatment was 3.5 years. CT-P13 drug retention rates in the general patient population were 58.6% and 48.2% in the first-line and ≥second-line treatment, respectively, after 3 years of follow-up. The most common reason for CT-P13 treatment discontinuation was lack of efficacy. The first-line CT-P13 group had statistically substantially higher ASAS20/40 response rates at three and six months. Nonetheless, both groups' response rates at one year were comparable. <b>Conclusions:</b> In this real-world data analysis, AS patients who were TNFi naïve (1st-line) and subsequently treated (≥2nd-line) with CT-P13 showed encouraging drug retention rates with acceptable long-term effectiveness and safety.
Authors
- Ediz Dalkılıç (ORCID: https://orcid.org/0000-0001-8645-2670)
- Servet Akar (ORCID: https://orcid.org/0000-0002-3734-1242)
- Niels Steen Krogh (ORCID: https://orcid.org/0000-0002-8520-1674)
- Berna Göker (ORCID: https://orcid.org/0000-0001-9242-0907)
- Semih Gülle (ORCID: https://orcid.org/0000-0001-8679-2130)
- Ayşe Çefle (ORCID: https://orcid.org/0000-0002-3273-7969)
- Ayten Yazıcı (ORCID: https://orcid.org/0000-0003-2167-4509)
- Abdurrahman Tufan (ORCID: https://orcid.org/0000-0001-6244-9362)
- Sedat Çapar (ORCID: https://orcid.org/0000-0003-4741-4908)
- Şeminur Haznedaroğlu (ORCID: https://orcid.org/0000-0003-3929-6884)
- Merih Bırlık (ORCID: https://orcid.org/0000-0001-5118-9307)
- Cemal Beş (ORCID: https://orcid.org/0000-0002-1730-2991)
- Özgül Soysal Gündüz (ORCID: https://orcid.org/0000-0002-8149-9311)
- Şule Yavuz (ORCID: https://orcid.org/0000-0001-5053-6426)
- Sadettin Uslu (ORCID: https://orcid.org/0000-0001-6266-2454)
- Servet Yolbaş (ORCID: https://orcid.org/0000-0001-8516-9769)
- Şükran Erten (ORCID: https://orcid.org/0000-0003-0717-8365)
- Sema Dereli Yılmaz (ORCID: https://orcid.org/0000-0001-5294-7966)
- Süleyman Serdar Koca (ORCID: https://orcid.org/0000-0003-4995-430X)
- Fatoş Önen (ORCID: https://orcid.org/0000-0002-6341-2622)
- İ̇smail Sarı (ORCID: https://orcid.org/0000-0001-7737-4180)
- Neslihan Yılmaz (ORCID: https://orcid.org/0000-0001-7577-7445)
- Dilek Solmaz (ORCID: https://orcid.org/0000-0001-6665-526X)
- Mehmet Akif Öztürk (ORCID: https://orcid.org/0000-0001-7203-3934)
- Haner Direskeneli
- Soner Şenel (ORCID: https://orcid.org/0009-0005-4599-0997)
- Nevsun İnanç
- Gerçek Şen
Institutions
- Bursa Uludağ Üni̇versi̇tesi̇ (TR)
- Selçuk University (TR)
- Fırat University (TR)
- Istanbul Bilim University (TR)
- Manisa Celal Bayar University (TR)
- Dokuz Eylül University (TR)
- Inonu University (TR)
- Izmir Kâtip Çelebi University (TR)
- Ankara Yıldırım Beyazıt University (TR)
- Kocaeli Üniversitesi (TR)
- Marmara University (TR)
- Erciyes University (TR)
- Gazi University (TR)
Publication Details
- Journal
- Journal of Clinical Medicine
- Published
- 2024-11-29
- DOI
- https://doi.org/10.3390/jcm13237266
- Citations
- 2
- Primary Topic
- Biosimilars and Bioanalytical Methods
- Type
- article
- Field-Weighted Citation Impact
- 0.48