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AOC 1001

Phase 3

DM1 | Small molecule | Rare Disease |Atrium Therapeutics, Inc.|Last Updated: Sep 1, 2026

Target and mechanism

Molecular targetDMPK
Target classGene
ModalitySmall molecule

Also known as AOC 1001 (del-desiran)

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials3
Total Enrollment235

FDA Designations

No designations recorded

Clinical trial landscape

AOC 1001 · 3 trials · 19 indications

Phase 3 1Phase 2 1Phase 1 1
NCT06411288Global Study of Del-desiran for the Treatment of DM1DM1
COMPLETED159 Analytics
PHASE3COMPLETED
Global Study of Del-desiran for the Treatment of DM1
DM1Unlock trial analytics

Study Endpoints

Primary Endpoints

Hand function
Through Week 54

video Hand Opening Time (vHOT)

Number and severity of treatment-emergent adverse events (TEAEs)
Through study completion
Frequency of treatment emergent adverse events (TEAEs)
Through study completion, up to Day 183

Secondary Endpoints

Hand grip strength
Through Week 54
Quantitative Muscle Testing composite score
Through Week 54
Myotonic Dystrophy Type 1 activity and participation scale c
Through Week 54
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Del-desiranEXPERIMENTALDel-desiran (AOC 1001) will be administered seven times
PlaceboPLACEBO_COMPARATORSaline will be administered seven times
AOC 1001EXPERIMENTALAOC 1001 will initially be administered quarterly. On Day 43 patients will receive an additional dose. Treatment assignment will be based on treatment received in AOC 1001-CS1. If participant did not receive AOC 1001 on Day 43 in AOC 1001-CS1, participant will receive AOC 1001 treatment on Day 43 in AOC 1001-CS2. Beginning in September 2024, AOC 1001 will be administered every 8 weeks.
AOC 1001 (with Placebo at Day 43)EXPERIMENTALAOC 1001 will initially be administered quarterly. On Day 43 patients will receive an additional dose. Treatment assignment will be based on treatment received in AOC 1001-CS1. If participant received AOC 1001 on Day 43 in AOC 1001-CS1, participant will receive blinded placebo treatment on Day 43 in AOC 1001-CS2. Beginning in September 2024, AOC 1001 will be administered every 8 weeks.
Part A Single Dose: AOC 1001 Dose Level 1EXPERIMENTALAOC 1001 will be administered once.
Part A Single Dose: PlaceboPLACEBO_COMPARATORSaline will be administered once.
Part B Multiple Ascending Dose: AOC 1001 Dose Levels 2 & 3EXPERIMENTALAOC 1001 will be administered three times.
Part B Multiple Ascending Dose: PlaceboPLACEBO_COMPARATORSaline will be administered three times.

Interventions

NameTypeDescription
AOC 1001 (del-desiran)DRUGDel-desiran will be administered by intravenous (IV) infusion.
PlaceboDRUGPlacebo will be administered by intravenous (IV) infusion.
AOC 1001DRUGAOC 1001 will be administered by intravenous (IV) infusion.
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Eligibility Criteria

Age Range16 Years to 65 Years
SexALL
Healthy VolunteersNo
Study Sites34

Key Inclusion Criteria: * Clinical and genetic diagnosis (CTG repeat ≥ 100) of DM1 * Ability to walk independently (orthoses and ankle braces allowed) for at least 10 meters at screening Key Exclusion Criteria: * Breastfeeding, pregnancy, or intent to become pregnant during the study * Unwilling ...

Countries:United StatesCanadaDenmarkFranceGermanyItalyJapanNetherlandsSpainUnited Kingdom
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Recent Changes (Last 90 Days)

HIGHSep 1, 2026NCT06411288Status: ACTIVE_NOT_RECRUITING → COMPLETED
HIGHSep 1, 2026NCT06411288Status: ACTIVE_NOT_RECRUITING → COMPLETED

Frequently asked questions about AOC 1001

What is AOC 1001 used for in DM1?

AOC 1001, also known as del-desiran, is an investigational small molecule being developed for the treatment of myotonic dystrophy type 1 (DM1), a rare genetic disorder. It is currently in Phase 3 clinical development and has not been approved by regulatory authorities.

What does AOC 1001 target?

AOC 1001 targets the DMPK gene, which is implicated in myotonic dystrophy type 1 (DM1). By targeting this gene, the therapy aims to address the underlying cause of the disease. The drug is being studied in patients with DM1.

Who makes AOC 1001?

AOC 1001 is being developed by Atrium Therapeutics, Inc., a biopharmaceutical company. The company's stock is traded under the ticker symbol RNA. Atrium Therapeutics is conducting clinical trials to evaluate the safety and efficacy of AOC 1001 in patients with DM1.

What phase is AOC 1001 in?

AOC 1001 is currently in Phase 3 clinical development for the treatment of myotonic dystrophy type 1 (DM1). It is an investigational drug and has not yet received regulatory approval. The Phase 3 trial is a global, randomized, double-blind, placebo-controlled study.

What clinical trials is AOC 1001 in?

AOC 1001 has been studied in three clinical trials. The Phase 1 trial (NCT05027269) and a Phase 2 extension study (NCT05479981) have been completed. A Phase 3 trial (NCT06411288) has also been completed, enrolling 159 participants across multiple countries.

Is AOC 1001 the same as del-desiran?

Yes, AOC 1001 is also known as del-desiran. Both names refer to the same investigational drug being developed for myotonic dystrophy type 1 (DM1). The drug is currently in Phase 3 clinical development and has not been approved.