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Global Translational Medicine                                       Small RNA therapy for pancreatic cancer




            Table 4. Currently approved small RNA drugs
            Number     Name      Type      Indications      Target     Responsible company    Year approved
            1        Patisiran  siRNA  Familial amyloidotic   hATTR  Alnylam Pharmaceuticals  2018 (America, Europe)
                                       polyneuropathy
            2        Givosiran         Acute hepatic    ALAS1        Alnylam Pharmaceuticals  2019 (America), 2020 (Europe),
                                       porphyrias                                       2021 (Japan)
            3        Lumasiran         Primary hyperoxaluria   HAO1  Alnylam Pharmaceuticals  2020 (America, Europe)
                                       type 1
            4        Inclisiran        Familial         PCSK9        Alnylam Pharmaceuticals,   2020 (Europe)
                                       hypercholesterolemia          Novartis AG
            5        Vutrisiran        Amyloidosis      TTR          Alnylam Pharmaceuticals  2022 (America)
                                       polyneuropathy
            6        Nedosiran         Primary hyperoxaluria   LDH   NovoNordisk        2023 (America)
                                       type 1
            7        Fomivirsen  ASO   Cytomega-lovirus   Cytomegalovirus  CIBA Vision Corp  1999 (Brazil)
                                       retinitis
            8        Mipomersen        Familial         APOB gene    Kastle Therapeutics  2013 (Argentina)
                                       hypercholesterolemia
            9        Nusinersen        Spinal muscular   SMN2        Biogen             2016 (America), 2019 (China)
                                       atrophy
            10       Eteplirsen        Duchenne Muscular   Dystrophin gene   Sarepta Therapeutics  2016 (America)
                                       Dystrophy        exon 51
            11       Inotersen         Familial Amyloidotic   hATTR  Akcea Therapeutics; PTC   2018 (America)
                                       Polyneuropathy                Therapeutics
            12       Volanesorsen      Familial         APOC3        Akcea Therapeutics; PTC   2019 (Europe)
                                       chylomicronemia               Therapeutics
                                       syndrome
            13       Golodirsen        Duchenne muscular   Dystrophin gene   Sarepta Therapeutics  2019 (America)
                                       dystrophy        exon 53
            14       Viltolarsen       Duchenne muscular   Dystrophin gene   Viltepso   2020 (Japan, America)
                                       dystrophy        exon 53
            15       Casimersen        Duchenne muscular   Dystrophin gene   Sarepta Therapeutics  2021 (America)
                                       dystrophy        exon 45
            16       Tofersen          Amyotrophic lateral   SOD1    Biogen, lonis      2023 (America)
                                       sclerosis                                        2024 (China)
            17       Pegaptanib  Aptamer  Wet age-related   VEGF     Bausch Health; Pfizer lnc  2012 (America), 2006 (Europe)
                                       macular degeneration
            Abbreviations: siRNA: Small interfering RNA; ASO: Antisense oligonucleotide; hATTR: Hereditary transthyretin amyloidosis;
            ALAS1: 5’-aminolevulinate synthase 1; HAO1: Hydroxyacid oxidase 1; PCSK9: Proprotein convertase subtilisin/kexin type 9; TTR: Transthyretin;
            LDH: Lactate dehydrogenase; APOB: Apolipoprotein B; SMN2: Survival motor neuron 2; APOC3: Apolipoprotein C-III; SOD1: Superoxide dismutase 1;
            VEGF: Vascular endothelial growth factor.

            4.2. Research status of small RNA drugs            (e.g.,  mipomersen,  eteplirsen, nusinersen,  inotersen,
                                                               casimersen, viltolarsen, tofersen, and golodirsen), 73-79  and
            The development of RNA therapeutics has reached several   siRNAs (e.g., patisiran, lumasiran, vutrisiran, nedosiran,
            milestones, including the first application of ASOs (1978),   and givosiran) 80-83  (Table 4). In addition, other small RNA
            the discovery of RNAi (1998), the approval of the first ASO   drugs have been approved for marketing outside the USA,
            drug (1998), the approval of the first RNA aptamer drug   including volanesorsen,  fomivirsen,  and inclisiran 85,86
                                                                                             84
                                                                                  79
            (2004), and the approval of the first siRNA drug (2018). 70  (Table 4). The mechanisms of action of these three types of
              By January 2025, 14 small RNA drugs had been approved   small RNA drugs are shown in Figure 2.
            by the US FDA for treating various human diseases.   The approved drugs mainly target rare diseases such as
            These include RNA aptamers (e.g., pegaptanib), 71,72  ASOs   spinal  muscular  atrophy,  Duchenne  muscular  dystrophy


            Volume 4 Issue 2 (2025)                         20                              doi: 10.36922/gtm.8247
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