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Journal : e-clinic

Neoadjuvant Lenvatinib in Advanced Unresectable Thyroid Carcinoma: Case Series and Literature Review Albert, Albert; Manginstar, Christian O.; Saleh, Denny; Merung, Marselus A.
e-CliniC Vol. 13 No. 1 (2025): e-CliniC
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35790/ecl.v13i1.58793

Abstract

Abstract: Lenvatinib, a tyrosine kinase inhibitor (TKI), has shown potential as a neoadjuvant therapy for inoperable thyroid cancer (TC). In this case series, we present three patients with unresectable thyroid tumors who responded favorably to lenvatinib treatment. A 60-year-old male with papillary thyroid cancer (PTC) experienced a 60% tumor volume reduction after five months of therapy. A 61-year-old male with medullary thyroid cancer (MTC) saw a 99% reduction after four months of lenvatinib and decrease of serum calcitonin and no residual disease six months after surgery. Lastly, a 67-year-old female with anaplastic thyroid cancer (ATC) showed a 70% tumor reduction and significant symptomatic relief. These cases highlight lenvatinib’s efficacy in reducing tumor size and stabilizing disease, improving surgical outcomes in patients initially deemed inoperable due to locally advanced tumors. Lenvatinib’s antitumor effects, driven by its antiangiogenic properties, suggest its potential as a valuable neoadjuvant treatment option in advanced thyroid cancer. Keywords: thyroid carcinoma; lenvatinib; case series
In Vitro Antibacterial Effectiveness of Stingless Bee Propolis against Infected Breast Cancer Ulcer Manginstar, Christian; Merung, Marselus; Albert, Albert
e-CliniC Vol. 14 No. 1 (2026): e-CliniC
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35790/ecl.v14i1.65682

Abstract

Abstract: Breast cancer is the most common cancer in women and often presents with malignant ulcers prone to infection. These wounds are difficult to manage, especially during chemotherapy, due to polymicrobial colonization and rising antibiotic resistance. Stingless bee propolis, rich in bioactive flavonoids, has shown promising antibacterial properties. This study aimed to evaluate in vitro antibacterial effectiveness of stingless bee propolis against bacteria from breast cancer ulcers. This was an in vitro study conducted at the Poltekkes Kemenkes Manado Medical Laboratory (July 2024–January 2025). Methanol-extracted stingless bee propolis was tested against MRSA and P. aeruginosa using disc diffusion, MIC, and MBC methods. Antibacterial activity was evaluated through inhibition zones and bacterial growth in serial dilutions. The outcomes were analyzed based on inhibition zone diameters and bacterial growth in serial dilutions. The results showed that propolis extract demonstrated antibacterial activity against MRSA and P. aeruginosa, with inhibition zones observed in both disc diffusion and dilution methods. Strong inhibition was noted at concentrations ≥80%, while minimal or no effect occurred below 30%. MIC and MBC were estimated at around 20%. Statistical analysis confirmed a significant dose-response relationship (ANOVA, p 0.0003), with stronger correlation in MRSA (R=0.84; p<0.001) than P. aeruginosa (R=–0.09; p 0.046). The minimum effective concentration was estimated at 32% for MRSA and 37% for P. aeruginosa. In conclusion, stingless bee propolis demonstrated concentration-dependent antibacterial activity against both Gram-positive (MRSA) and Gram-negative (P. aeruginosa) bacteria in vitro, with increased activity observed at higher concentrations. Minimum effective concentrations were 32% for MRSA and 37% for P. aeruginosa, supporting its potential use in treating infected breast cancer ulcers. These findings highlight propolis as a potential natural alternative for infection control and wound healing. Keywords: breast cancer; ulcer; stingless bee; propolis; antibacterial effect
Co-Authors Abda Abda Achmad Noerkhaerin Putra Agus Susanto Aifu, Dewi Kurniati Alfarizy, Tomy Aminingtyas, Septi Andini Andayani, Lia H. Andini, Lilla Andyka Andyka, Andyka Anita Damajanti Arman Husni Asih, Situ Aurelia, Clarecia Ayi Wahid Bonnarty Steven Silalahi Budianto, Justin Chairisni Lubis Chandriani, Casslyn Collins Willim, Zackrey Deva Djohan Dewayani , Ery Dewi Apipah, Wulan Duti Volya Elbistian, Kevin Putra Elyzabeth Wijaya Emaya Kurniawati, Emaya Endah Dwi Kusumastuti, Endah Dwi Erika Erika Etty Widyastuti Gawei, Apria Brita Pandohop Halawa, Misdayanti Hamidjaja, Beverly C. Harahap, Zainy Kholis Muda Hariyanti , Tri Yuli Hartati Hartati Hartoto, Witjaksono Eko Haryadi, Nicko Hassim, Affendy Abu Helmy Thendean Henry, Henry IKA PUSPA SATRIANNY Indarto Indarto Iratutisisilia, Iratutisisilia Izza, Ainul Kosasih, Hengky Lapiti Gokmatua Sagala Lestari, Rohmini Indah Liana Susanto Lisna Lisna, Lisna Maimori, Romi Male, Minarti Manginstar, Christian Manginstar, Christian O. Manik, Rifqa Yolandha Efreymind Marissa, Novaria Marselus A. Merung, Marselus A. Marselus Merung, Marselus Masduki Masduki Muhamad Fajri, Muhamad Naga , Dali Santun Nangsih, Ayu Nasib Nefianto, Tirton Nely Arif Nengsih, Widya Nunung Fajaryani, Nunung Nurhayati Nurhayati Okta Jaya Harmaja Pranata, Hamdi Prasetio, Meriyawaty Amelia Prastyaningsih, Nila Robin Robin, Robin Rochimah, Heni Rojuaniah Rojuaniah Rudi Waluyo SAFITRI, CANDRA Sahat Simbolon Saing, Fatmawati M Saleh, Denny SALMAN FARIS Sanwar, Sitti Nurlyanti Saragih, Saut Pintubipar Sari, Elna Sarumi, Rasniah Savitri, Fania Mutiara Sina, Wa Siswahyudianto Soelistiyono, Anitiyo Sulistiani Sulistiani, Sulistiani Sunario Megawan Surya Surya Sutanto, Fernando Thamrin Thamrin Thomas Sumarsan Goh Tita Elfitasari Tommy Setiawan Ruslim, Tommy Setiawan Trijani Suwandi Ugang, Yandi Valerie, Valerie Wiguna, Teguh Nusa Wizmar, Dickie A. Yohana Yohana Yuli Budiati Yusmei, Nining Zulfani Sesmiarni