Drugs / ARCT-810
last change Sep 2026 re-read 3 minutes ago

ARCT-810

Messenger RNA (mRNA) targets OTC

Developed for
ornithine carbamoyltransferase deficiency
Investigated by
Arcturus Therapeutics, Inc.

Regulatory milestones approvals, filings & regulatory actions · 1 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Filed US (FDA) — ornithine carbamoyltransferase deficiency 2020-03-11

“Filed IND for ARCT-810 with the U.S. Food and Drug Administration (FDA)” arcturusrx.com ↗

Trials 4

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 12 trials
Phase 1 NCT04442347 Nov 2020 → Aug 2023 ornithine carbamoyltransferase deficiency Arcturus Therapeutics, Inc. Completed No outcome recorded
Phase 1 NCT04416126 Jun → Dec 2020 ornithine carbamoyltransferase deficiency Arcturus Therapeutics, Inc. Completed No outcome recorded
Phase 22 trials
Phase 2 NCT06488313 Nov 2024 → Jun 2026 overdue ornithine carbamoyltransferase deficiency Arcturus Therapeutics, Inc. Recruiting No outcome recorded
Phase 2 NCT05526066 Oct 2022 → Oct 2024 ornithine carbamoyltransferase deficiency Arcturus Therapeutics, Inc. Terminated No outcome recorded Stop: Enrollment

News releases announcing trial results or a regulatory action · 11

DateIssuerRelease
2025-06-30 Arcturus Therapeutics, Inc. Results Arcturus Therapeutics Announces Positive Interim Phase 2 Multiple Dose Data for Ornithine Transcarbamylase (OTC) Deficiency Program arcturusrx.com ↗
Arcturus Therapeutics Holdings Inc. (the “Company”, “Arcturus”, Nasdaq: ARCT), a commercial messenger RNA medicines company focused on the development of infectious disease vaccines and opportunities within liver and respiratory rare diseases, today announces positive Phase 2 interim results in people with OTC deficiency treated with ARCT-810, an mRNA therapeutic candidate designed to replace the OTC enzyme and restore urea cycle activity preventing hyperammonemia crises.
2023-06-01 Arcturus Therapeutics, Inc. Regulatory Arcturus Therapeutics Receives U.S. FDA Fast Track Designation for ARCT-810, mRNA Therapeutic Candidate for Ornithine Transcarbamylase Deficiency arcturusrx.com ↗
2022-08-09 Arcturus Therapeutics, Inc. Regulatory Arcturus Therapeutics Announces Second Quarter 2022 Financial Update and Pipeline Progress arcturusrx.com ↗
2021-07-28 Arcturus Therapeutics, Inc. Regulatory Arcturus Announces Regulatory Approval to Proceed with Phase 2 Study of ARCT-810 mRNA Therapeutic Candidate for Ornithine Transcarbamylase (OTC) Deficiency arcturusrx.com ↗
announced today that the Company has received approval from the UK Health Research Authority to initiate a Phase 2 clinical study for ARCT-810, a novel mRNA-based therapeutic candidate for Ornithine Transcarbamylase (OTC) Deficiency.
2020-11-09 Arcturus Therapeutics, Inc. Results Arcturus Therapeutics Announces Third Quarter 2020 Financial Results and Positive Clinical Updates for ARCT-810 Phase I Study and Additional ARCT-021 Interim Data arcturusrx.com ↗
The initial ARCT-810 Phase 1/2 study results, showing good tolerability and favorable pharmacokinetics, provide support for the further development of this drug candidate in Ornithine Transcarbamylase (OTC) deficiency, a severe monogenic rare disease where new medicines are urgently needed.
2020-10-05 Arcturus Therapeutics, Inc. Results Arcturus Therapeutics Announces Completion of First Three Dose Escalation Cohorts in Phase 1 Study of ARCT-810, Therapeutic Candidate for Ornithine Transcarbamylase (OTC) Deficiency arcturusrx.com ↗
Based on the available preliminary study data, ARCT-810 has been well tolerated at these doses, which are all within the anticipated therapeutic range.
2020-04-13 Arcturus Therapeutics, Inc. Regulatory Arcturus Therapeutics Announces Allowance of IND & Approval of Clinical Trial Application (CTA) for ARCT-810, a First-in-Class Investigational mRNA Medicine to Treat Ornithine Transcarbamylase Deficiency arcturusrx.com ↗
2020-03-11 Arcturus Therapeutics, Inc. Regulatory Arcturus Therapeutics Reports Fourth Quarter and Year End 2019 Financial Results arcturusrx.com ↗
Today, we achieved one of our primary goals for 2020, by filing the Investigational New Drug (IND) application for ARCT-810, a potential treatment for ornithine transcarbamylase (OTC) deficiency.
2019-08-15 Arcturus Therapeutics, Inc. Regulatory Arcturus Therapeutics Announces Second Quarter Financial Results and Provides a Corporate Update arcturusrx.com ↗
Arcturus receives Orphan Drug Designation from the U.S. FDA for ARCT-810
2019-06-27 Arcturus Therapeutics, Inc. Regulatory Arcturus Therapeutics Receives Orphan Drug Designation from the U.S. FDA for ARCT-810, for Treatment of Ornithine Transcarbamylase (OTC) Deficiency arcturusrx.com ↗
today announced the U.S. Food and Drug Administration ( FDA ) has granted Orphan Drug Designation for the Company’s lead product candidate ARCT-810 to treat ornithine transcarbamylase deficiency (OTCD).
2019-05-20 Arcturus Therapeutics, Inc. Results Arcturus Therapeutics Presenting Data for ARCT-810 and the Arcturus mRNA + LUNAR® Technology Platform at the 2019 Annual Meeting of TIDES: Oligonucleotide and Peptide Therapeutics arcturusrx.com ↗
Arcturus is presenting the following OTC program-related data at the 2019 Annual Meeting of TIDES:

All press releases naming this drug 16 releases

DateIssuerRelease

Evidence & citations 4 cited values

Every value below carries the sentence it was read from. 4 sources stand behind the page.

FieldValueCited text
Known as ARCT-810 ClinicalTrials.gov intervention name — accepted as the source's own label NCT06488313 ↗
3

NCT05526066 ↗

NCT04442347 ↗

NCT04416126 ↗

Modality Messenger RNA (mRNA) “ARCT-810 is an investigational medicinal product comprising OTC mRNA formulated in a lipid nanoparticle (LNP) under development.” NCT04416126 ↗
Route Intravenous “Ascending single doses of ARCT-810 administered intravenously” NCT04416126 ↗
Target OTC “ARCT-810 is messenger RNA (mRNA) coding for Ornithine Transcarbamylase (OTC) formulated in a lipid nanoparticle (LNP).” NCT05526066 ↗