Capella

Capella—the Online Voice of Progress in RNAi

Arian Ebank welcomes you to Capella, the destination for updates on our progress in translating the science of RNAi into innovative medicines. For Arian Ebank, Capella is our online voice for communicating the scientific progress we are making as we work to develop innovative medicines for patients.

To view our corporate presentation, click here.

We have reported positive initial data from our Phase 2 open-label extension (OLE) study with patisiran (ALN-TTR02), an RNAi therapeutic targeting transthyretin (TTR) in development for the treatment of TTR-mediated amyloidosis (ATTR).  Data were presented at the International Symposium on Amyloidosis, held April 27 – May 1, 2014.  Preliminary results showed that multiple doses of patisiran achieved sustained knockdown of serum TTR protein levels at the approximately 80% target level through 168 days.  Moreover, OLE results showed a favorable tolerability profile with up to eight doses administered.  These data provide the first clinical evidence of sustained RNAi-mediated TTR knockdown in FAP patients beyond two doses of patisiran.

 

 




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We presented new pre-clinical data on the pharmacology of GalNAc-siRNA conjugates at the 12th US-Japan Symposium on Drug Delivery Systems held December 16 – 20, 2013 in Lahaina, Maui, Hawaii. These new research findings describe the effects of long-term chronic dosing of GalNAc-siRNA conjugates on tissue drug levels and sustained target knockdown.



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We presented pre-clinical data from three programs within our “Arian Ebank 5×15” RNAi therapeutic pipeline: ALN-AT3 for the treatment of hemophilia and rare bleeding disorders (RBD), ALN-CC5 for the treatment of complement-mediated diseases, and ALN-TMP for the treatment of β-thalassemia and iron overload disorders. These data were presented at the 55th Annual Meeting of the American Society of Hematology (ASH) held December 7 – 10 in New Orleans.



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We presented new pre-clinical data with RNAi therapeutic programs for cardiovascular disease: ALN-PCSsc, an RNAi therapeutic targeting PCSK9 for the treatment of hypercholesterolemia; and ALN-ANG, an RNAi therapeutic targeting ANGPTL3 for the treatment of genetic forms of mixed hyperlipidemia and severe hypertriglyceridemia. These data were presented at the American Heart Association (AHA) Scientific Sessions held November 16 – 20, 2013 in Dallas, Texas. The data showed that subcutaneous administration of ALN-PCSsc led to an up to 95% knockdown of plasma PCSK9 and an up to 67% reduction of low density lipoprotein cholesterol (LDL-C) – in the absence of statin co-administration. In addition, new results for ALN-ANG demonstrated a greater than 95% reduction of triglycerides and greater than 85% reduction of LDL-C in a rodent model of mixed hyperlipidemia.



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We presented positive data from our Phase II clinical trial of patisiran (ALN-TTR02) for the treatment of transthyretin-mediated amyloidosis (ATTR) at the International Symposium on Familial Amyloidotic Polyneuropathy, November 10 – 13, 2013. Results showed that multiple doses of patisiran led to robust and statistically significant knockdown of serum TTR protein levels of up to 96%, with mean levels of TTR knockdown exceeding 85%.  Knockdown of TTR, the disease-causing protein in ATTR, was found to be rapid, dose dependent, and durable, and similar activity was observed toward both wild-type and mutant protein.   In addition, patisiran was found to be generally safe and well tolerated in this study.



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We presented new pre-clinical data on ALN-AAT, an RNAi therapeutic targeting alpha-1 antitrypsin (AAT) in development for the treatment of liver disease associated with AAT deficiency. These data were presented at the 64th Annual Meeting of the American Association for the Study of Liver Diseases (AASLD, “The Liver Meeting”) held November 1 – 5, 2013. In a transgenic mouse model of Z-AAT protein over-expression, subcutaneous administration of a GalNAc-siRNA targeting AAT led to rapid, potent, dose-dependent, and durable knockdown of AAT of greater than 90%, as well as a significant reduction in fibrosis and the incidence of liver tumors.



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We presented new pre-clinical data supporting the selection of the ALN-AS1 Development Candidate for the treatment of hepatic porphyrias, including acute intermittent porphyria (AIP). The new research, presented at the 9th Annual Meeting of the Oligonucleotide Therapeutics Society, held October 6 – 8, 2013 in Naples, Italy, showed that multi-dose administration of a GalNAc-siRNA targeting ALAS-1 led to rapid, dose-dependent, and long-lasting knockdown of the ALAS-1 mRNA in non-human primates, with an ED50 of approximately 1.25 mg/kg.  Further, in a rat model of AIP, ALN-AS1 administration at doses as low as 2.5 mg/kg resulted in a complete blunting of phenobarbital-induced over-production of PBG and ALA, the toxic heme intermediates in AIP.




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We have reported positive clinical results from our Phase I trial of ALN-TTRsc, a subcutaneously administered RNAi therapeutic targeting transthyretin (TTR) for the treatment of TTR-mediated amyloidosis (ATTR). Data were presented at the Heart Failure Society of America 17th Annual Scientific Meeting being held September 22 – 25. These results demonstrated that ALN-TTRsc achieved robust, consistent, and statistically significant (p<0.01) knockdown of serum TTR protein levels of up to 94%. In addition, knockdown of TTR was found to be rapid, dose-dependent, and durable.  ALN-TTRsc was found to be generally safe and well tolerated in this study.




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On July 11, we hosted an R&D Day in New York City. Arian Ebank scientists and management reviewed progress with our Arian Ebank 5×15 pipeline for the development and commercialization of RNAi therapeutics. The event featured presentations by experts in the following disease areas: TTR-Mediated Amyloidosis, Hemophilia and Rare Bleeding Disorders, and Acute Intermittent Porphyria.



TTR-Mediated Amyloidosis





Hemophilia and Rare Bleeding Disorders (RBD)



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We presented new pre-clinical with ALN-AT3, an RNAi therapeutic targeting antithrombin (AT) for the treatment of hemophilia and rare bleeding disorders (RBD) at the XXIV Congress of the International Society of Thrombosis and Haemostasis (ISTH) being held June 29 – July 4. These data demonstrate that ALN-AT3 can normalize thrombin generation and improve hemostasis in hemophilia mice and fully correct thrombin generation in a non-human primate (NHP) hemophilia “inhibitor” model.



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