RAG-17
/ Ractigen Therap
- LARVOL DELTA
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July 25, 2025
Extended Study of RAG-17 in the Treatment of Amyotrophic Lateral Sclerosis Patients With SOD1 Gene Mutation
(clinicaltrials.gov)
- P1 | N=10 | Not yet recruiting | Sponsor: Beijing Tiantan Hospital
New P1 trial • Amyotrophic Lateral Sclerosis • CNS Disorders • CSF NfL • Plasma NfL
April 25, 2025
Safety and Tolerance of RAG-17 in Amyotrophic Lateral Sclerosis Patients With SOD1 Gene Mutation
(clinicaltrials.gov)
- P1 | N=6 | Completed | Sponsor: Beijing Tiantan Hospital | Enrolling by invitation ➔ Completed | Trial completion date: Feb 2024 ➔ Jul 2024 | Trial primary completion date: Feb 2024 ➔ Jul 2024
Trial completion • Trial completion date • Trial primary completion date • Amyotrophic Lateral Sclerosis • CNS Disorders • Plasma NfL • SOD1
March 08, 2025
RAG-17, a Novel siRNA Therapy for SOD1-ALS: Safety and Preliminary Efficacy from a First-in-human Trial
(AAN 2025)
- P1 | "The CREATION study demonstrates that RAG-17 is safe and exhibits potential efficacy in treating ALS patients. The results from this study highlight the therapeutic promise of RAG-17, offering new avenues for the management of ALS."
Clinical • P1 data • Amyotrophic Lateral Sclerosis • CNS Disorders • Movement Disorders • Pain • NEFL • Plasma NfL • SOD1
January 08, 2025
A Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of RAG-17 in Subjects With Amyotrophic Lateral Sclerosis (ALS) With Superoxide Dismutase Type 1 (SOD1) Gene Mutation
(clinicaltrials.gov)
- P1 | N=32 | Recruiting | Sponsor: Ractigen Therapeutics. | Not yet recruiting ➔ Recruiting
Enrollment open • Amyotrophic Lateral Sclerosis • CNS Disorders
December 24, 2024
Ractigen Therapeutics Announces First Patient Dosed in Phase I Clinical Trial for RAG-17 in SOD1-ALS
(PRNewswire)
- "Ractigen Therapeutics...announced the successful dosing of the first patient in the Phase I clinical trial of RAG-17, an innovative siRNA therapy targeting Amyotrophic Lateral Sclerosis (ALS) associated with superoxide dismutase 1 (SOD1) gene mutations at Second Affiliated Hospital of Zhejiang University School of Medicine. The Phase I clinical study is a randomized, double-blind, placebo-controlled trial designed to evaluate the safety/tolerability, pharmacokinetics, pharmacodynamics, and preliminary efficacy of RAG-17 in patients with SOD-ALS."
Trial status • Amyotrophic Lateral Sclerosis
October 01, 2024
RAG-17: A promising new gene silencing therapy for SOD1 ALS. Early safety and efficacy data from a first-in- human trial
(ALS-MND 2024)
- "Cells harboring chr7:76,009,472:C > T showed increased expression of CCDC146 at the mRNA (p = 0.0056, n =3) and protein levels. We also observed an exacerbation of ALS-associated phenotypes including increased TDP-43 mislocalization (100% increase, p = 0.024, n =3, t-test) and reduced dendritic arborization (p 0.05, n = 15) and completely rescued ALS-associated survival defects in iPSN derived from patients with both sporadic and C9ORF72-ALS (p <0.01, n = 15, Dunnett's test) irrespective of baseline CCDC146 expression."
Clinical • STMN2 • TARDBP
November 15, 2024
A Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of RAG-17 in Subjects with Amyotrophic Lateral Sclerosis (ALS) with Superoxide Dismutase Type 1 (SOD1) Gene Mutation
(clinicaltrials.gov)
- P1 | N=32 | Not yet recruiting | Sponsor: Ractigen Therapeutics. | Initiation date: Aug 2024 ➔ Dec 2024
Trial initiation date • Amyotrophic Lateral Sclerosis • CNS Disorders
August 23, 2024
Rag-17: a promising new gene silencing therapy for sod1-als- early safety and efficacy data from a first-in-human trial
(Neuroscience 2024)
- P1 | "Among the first three participants receiving at least four doses, two showed stabilization of ALSFRS-R scores, and one even demonstrated improvement in ALSFRS-R and forced vital capacity (FVC) compared to baseline. The final analysis is expected in July 2024.1"
Clinical • P1 data • Amyotrophic Lateral Sclerosis • CNS Disorders • Pain • NEFL • Plasma NfL • SOD1
September 10, 2024
Ractigen Announces Positive Clinical Data for RAG-17 in ALS-SOD1 Treatment from Investigator-Initiated Trial
(PRNewswire)
- P1 | N=6 | NCT05903690 | "Results demonstrated that RAG-17, administered intrathecally, was well-tolerated across all dose levels. All adverse events were mild. Comprehensive safety evaluations, including laboratory assessments, vital signs, and electrocardiograms, further supported the favorable safety profile. Encouragingly, early signs of clinical benefit were also evident. Notable changes in clinical outcomes and key biomarkers indicate the efficacy of RAG-17 within this patient population...This promising data will be presented at three upcoming conferences: the 27th National Conference of Neurology in China this September, followed by Neuroscience 2024 in Chicago, USA, in October, and the 35th International Symposium on ALS/MND in Montreal, Canada, in December—one of the largest annual gatherings dedicated to ALS and motor neuron disease research."
P1 data • Amyotrophic Lateral Sclerosis • CNS Disorders
August 16, 2024
A Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of RAG-17 in Subjects With Amyotrophic Lateral Sclerosis (ALS) With Superoxide Dismutase Type 1 (SOD1) Gene Mutation
(clinicaltrials.gov)
- P1 | N=32 | Not yet recruiting | Sponsor: Ractigen Therapeutics.
New P1 trial • Amyotrophic Lateral Sclerosis • CNS Disorders
May 15, 2024
Ractigen Therapeutics Receives IND Approval from China's NMPA to Initiate Phase 1 Clinical Trials for RAG-17 in SOD1-ALS Patients
(PRNewswire)
- "Ractigen Therapeutics...announces that the Center for Drug Evaluation (CDE) of China's National Medical Products Administration (NMPA) has approved the Investigational New Drug (IND) application for the initiation of Phase 1 clinical trials in China for RAG-17, targeting Amyotrophic Lateral Sclerosis (ALS). The IND-opening study is a Phase I, randomized, double-blind, placebo-controlled study evaluating the safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) of RAG-17 in subjects with ALS carrying the Superoxide Dismutase 1 (SOD1) mutation."
New P1 trial • Amyotrophic Lateral Sclerosis
June 15, 2023
Safety and Tolerability of RAG-17 in the Treatment of Amyotrophic Lateral Sclerosis Patients With SOD1 Gene Mutation
(clinicaltrials.gov)
- P1 | N=6 | Enrolling by invitation | Sponsor: Beijing Tiantan Hospital
New P1 trial • Amyotrophic Lateral Sclerosis • CNS Disorders • Plasma NfL • SOD1
June 05, 2023
Ractigen Therapeutics Announces Dosing of First Patient in First in Human Trial of RAG-17 for the Treatment of SOD1-ALS
(GlobeNewswire)
- "Ractigen Therapeutics...announced the dosing of its first patient in the Company's First in Human (FIH) clinical trial for ALS patients with SOD1 mutation. RAG-17 is a siRNA drug designed to provide potent and durable knockdown of SOD1 protein in the central nervous system (CNS) of ALS patients to prevent motor neuron degradation and delay disease progression....The FIH trial is designed to evaluate the safety, pharmacokinetics, pharmacodynamics (reduction of CSF biomarkers) and immunogenicity of RAG-17 in ALS patients with a confirmed SOD-1 mutation. The study is being conducted at Beijing Tiantan Hospital."
Trial status • Amyotrophic Lateral Sclerosis • CNS Disorders
March 03, 2023
Ractigen Therapeutics Receives FDA Orphan Drug Designation for the novel oligonucleotide conjugate RAG-17 for the Treatment of Amyotrophic Lateral Sclerosis (ALS)
(GlobeNewswire)
- “Ractigen Therapeutics announced today that the U.S. Food and Drug Administration (FDA) has granted Orphan Drug Designation to RAG-17, a novel siRNA modality for the treatment of Amyotrophic Lateral Sclerosis (ALS).”
Orphan drug • Amyotrophic Lateral Sclerosis • CNS Disorders
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