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Fixed dose combination Ciprofloxacin/Celecoxib

Phase 2

Amyotrophic Lateral Sclerosis | Small molecule | Neurology |NeuroSense Therapeutics Ltd.|Trials Updated: Sep 5, 2025

Fixed dose combination Ciprofloxacin/Celecoxib development status

Highest phase Phase 2
Registered trials 4 across 1 sponsor since Sep 2019

Fixed dose combination Ciprofloxacin/Celecoxib target and mechanism

ModalitySmall molecule

Also known as PrimeC

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLED
Total Trials3
Total Enrollment95

FDA Designations

No designations recorded

Fixed dose combination Ciprofloxacin/Celecoxib clinical trials

Fixed dose combination Ciprofloxacin/Celecoxib · 3 trials · 3 indications

Phase 2 2Phase 1 1
NCT05357950A Phase IIb, Multi-Center, Multinational, Double-Blind, Placebo-Controlled Study, With an Open Label Extension, to Evaluate Safety, Tolerability and Efficacy of PrimeC in Subjects With ALSAmyotrophic Lateral Sclerosis
COMPLETED69 Analytics
NCT04165850Open Label Study to Evaluate Ciprofloxacin/Celecoxib Combination in Patients With ALSAmyotrophic Lateral Sclerosis
COMPLETED16 Analytics
PHASE2COMPLETED
A Phase IIb, Multi-Center, Multinational, Double-Blind, Placebo-Controlled Study, With an Open Label Extension, to Evaluate Safety, Tolerability and Efficacy of PrimeC in Subjects With ALS
Amyotrophic Lateral SclerosisUnlock trial analytics
PHASE2COMPLETED
Open Label Study to Evaluate Ciprofloxacin/Celecoxib Combination in Patients With ALS
Amyotrophic Lateral SclerosisUnlock trial analytics

Study Endpoints

Primary Endpoints

Incidence and severity of treatment-emergent adverse events (TEAEs)
6 months

Treatment emergent adverse event is any medical event associated with the drug

Number of subjects who discontinued treatment prematurely
6 months

Number of subjects whose treatment is stopped prematurely for any reason

Number of patients who discontinued treatment prematurely due to adverse events
6 months

Number of patients whose treatment is stopped prematurely specifically due to adverse events

Number of patients with clinically significant abnormal laboratory values
6 months
The mean difference between PrimeC and Placebo in serum concentration of NDE TDP-43 at month 6
6 months
The mean difference between PrimeC and placebo in serum concentration of NDE PgJ2 at month 6
6 months
Number of participants with one or more treatment-emergent adverse events
15 months

Treatment emergent adverse event is any medical event associated with the drug

Number of patients who discontinued treatment prematurely
15 months

Number of patients whose treatment is stopped prematurely for any reason

Number of patients with significant abnormal laboratory values
15 months

Secondary Endpoints

Change from baseline to 6 months in ALS functional rating scale - revised (ALSFRS-R)
6 months
Change from baseline to 6 months in slow vital capacity (SVC)
6 months
Change from baseline to 6 months in quality of life ALSSQOL-SF
6 months
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
PrimeCACTIVE_COMPARATOR2 tablets of PrimeC administered twice daily (4 tablets a day), at a daily dose of 1496 mg
PlaceboPLACEBO_COMPARATOR2 tablets of Placebo administered twice daily (4 tablets a day). Placebo tablets are matched in size, color and taste.
Fixed dose Ciprofloxacin and CelecoxibEXPERIMENTALFixed dose Ciprofloxacin and Celecoxib capsule to be taken thrice daily, total dose 909mg/day

Interventions

NameTypeDescription
PrimeCDRUGCiprofloxacin and celecoxib combination extended release formulation
PlaceboDRUGPlacebo matches active drug in size, color and taste
Fixed dose combination Ciprofloxacin/CelecoxibDRUGFixed dose Ciprofloxacin and Celecoxib capsule to be taken thrice daily, total dose 909mg/day
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Eligibility Criteria

Age Range18 Years to 75 Years
SexALL
Healthy VolunteersNo
Study Sites4

Inclusion Criteria: 1. Able to comprehend and willing to sign an informed consent form (ICF) 2. Males or females between the ages of 18 and 75 years of age, inclusive 3. Diagnosis of familial or sporadic ALS (defined as meeting the laboratory-supported probable, probable, or definite criteria for a...

Countries:CanadaIsraelItalyUnited States
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Frequently asked questions about Fixed dose combination Ciprofloxacin/Celecoxib

What is the fixed dose combination Ciprofloxacin/Celecoxib used for?

The fixed dose combination Ciprofloxacin/Celecoxib is being developed for the treatment of Amyotrophic Lateral Sclerosis (ALS), a progressive neurodegenerative disease. It is an investigational small molecule combination therapy under evaluation in clinical trials for patients with ALS.

Who is developing the fixed dose combination Ciprofloxacin/Celecoxib?

NeuroSense Therapeutics Ltd. (NASDAQ: NRSN) is developing the fixed dose combination Ciprofloxacin/Celecoxib. The company is conducting clinical trials to evaluate this combination therapy for the treatment of Amyotrophic Lateral Sclerosis (ALS).

What phase is the fixed dose combination Ciprofloxacin/Celecoxib in?

The fixed dose combination Ciprofloxacin/Celecoxib has completed Phase 1 and Phase 2 clinical trials for ALS. It remains an investigational drug and is not yet approved by regulatory authorities. The completed trials include a Phase 1 study and a Phase 2 open-label study.

What clinical trials has the fixed dose combination Ciprofloxacin/Celecoxib been in?

The fixed dose combination Ciprofloxacin/Celecoxib has been evaluated in two completed trials: NCT04090684, a Phase 1 study in the United States with 10 participants, and NCT04165850, a Phase 2 open-label study in Israel with 16 participants. Both trials enrolled adult patients with ALS.