Testing ADX-038 against a placebo for geographic atrophy secondary to age-related macular
Official title: Phase 2 Study of ADX-038 in Participants With Geographic Atrophy
A Phase 2, Randomized, Masked, Placebo-Controlled Study of Subcutaneously Administered ADX-038 in Participants With Geographic Atrophy (GA) Secondary to Age-Related Macular Degeneration (AMD)
- Phase 2
- 2 groups
- Sites in Edmonton, Vancouver and 3 more cities
- Recruiting
Interventions
- Medication
ADX-038
siRNA duplex oligonucleotide
- Medication
Placebo
Saline
Canadian Sites (8)
5 of 8 recruiting
- Recruiting
ADARx Clinical Site
Vancouver, British Columbia
- Recruiting
ADARx Clinical Site
Vancouver, British Columbia
- Recruiting
ADARx Clinical Site
Ottawa, Ontario
- Recruiting
ADARx Clinical Site
Toronto, Ontario
- Recruiting
ADARx Clinical Site
Toronto, Ontario
- Not yet recruiting
ADARx Clinical Site
Edmonton, Alberta
- Not yet recruiting
ADARx Clinical Site
London, Ontario
- Not yet recruiting
ADARx Clinical Site
Ottawa, Ontario
Eligibility Criteria
See who this study is looking for14 criteria
The trial’s own eligibility text, word for word from the registry. Only the trial site can say who takes part.
Inclusion
- +Clinical diagnosis of GA of the macula secondary to AMD
- +GA lesions between 2.5 and 12.5 mm2 at screeningScreeningThe checks done before joining, to see whether a study fits.Read more →
- +Sufficiently clear ocular media, adequate pupillary dilation and fixation to permit quality fundus imaging in the study eye as described in the protocolProtocolThe detailed plan a study must follow.Read more →
- +Willing and able to comply with clinic visits and study-related procedures, including completion of the full series of meningococcal vaccinations and pneumococcal vaccination required per protocol
Exclusion
- −Has GA secondary to causes other than AMD
- −Has active ocular disease that compromises or confounds visual function
- −Has ocular condition other than GA secondary to AMD
- −Use of intravitreal complement inhibitors in study eye
- −Hereditary or acquired complement deficiency
- −Active viral, bacterial or fungal infection
- −Liver injury as evidenced by abnormal liver function tests
- −Donating blood
- −History of choroidal neovascularization in the study eye
- −History of surgery for retinal detachment
In plain language
Assembled directly from this trial’s registry record. Every sentence traces to a field below — nothing here is generated or interpreted.
What this study is
This study is testing a treatment for a condition.
Phase 2Phase 2A middle-stage study looking at what a treatment does and watching for side effects.Read more → — a middle-stage study in a few hundred people at most, looking at what the treatment does and watching for side effectsSide effectAn unwanted effect thought to be caused by the treatment itself.Read more →.
From the trial registry
Built from these fields:
- designModule.designInfo.primaryPurpose
- designModule.phases
Who receives what
There are 2 groups in this study.
Group A receives ADX-038.
Registry label: A: Active - ADX-038
Group B, the placeboPlaceboA dummy treatment with no active medicine, used for comparison.Read more → group, receives Placebo.
Registry label: B: Placebo - Saline
From the trial registry
Built from these fields:
- armsInterventionsModule.armGroups[].label
- armsInterventionsModule.armGroups[].type
- armsInterventionsModule.armGroups[].interventionNames
How the study is run
Which group you would be placed in is decided by chance, like a coin flip — not by you and not by your doctor.
You, the study team, the people giving the treatment, and the people analysing the results would all be kept unaware of which group you are in until the study ends.
From the trial registry
Built from these fields:
- designModule.designInfo.allocation
- designModule.designInfo.maskingInfo.masking
Is there a placebo?
One group receives a placeboPlaceboA dummy treatment with no active medicine, used for comparison.Read more → — a dummy treatment with no active medicine in it.
From the trial registry
Built from these fields:
- armsInterventionsModule.armGroups[].type
- armsInterventionsModule.armGroups[].interventionNames
Who the study is looking for
The study lists a minimum age of 60 years, with no upper limit given.
The study is open to people of any sex.
The study does not accept healthy volunteersHealthy volunteerSomeone without the condition being studied who takes part anyway.Read more →.
These are the criteria the study lists. Only the trial siteTrial siteA hospital or clinic where a study is actually run.Read more → can decide whether someone can take part.
From the trial registry
Built from these fields:
- eligibilityModule.minimumAge
- eligibilityModule.sex
- eligibilityModule.healthyVolunteers
How big and how long
The study aims to enrol about 240 people.
The study is currently expected to finish around August 2030.
The main measurement is taken over: 12 months.
From the trial registry
Built from these fields:
- designModule.enrollmentInfo.count
- statusModule.completionDateStruct.date
- outcomesModule.primaryOutcomes[].timeFrame
What the study measures
Evaluate the effect of ADX-038 on the preservation of the EZ layer — measured over 12 months.
From the trial registry
Built from these fields:
- outcomesModule.primaryOutcomes[].measure
- outcomesModule.primaryOutcomes[].timeFrame
Source: NCT06990269 on ClinicalTrials.gov. The full registry text is further down this page — this summary never replaces it.
Not medical advice. What do these terms mean?
What is being tested — in plain terms
About ADX-038Drug
siRNA duplex oligonucleotide
From the trial registry — its own words, unedited.
What a drug is here: A medicine — a chemical or small-molecule treatment — given as the thing being studied.
Read the full explanation → · in clinical review
About PlaceboDrug
Saline
From the trial registry — its own words, unedited.
What a drug is here: A medicine — a chemical or small-molecule treatment — given as the thing being studied.
Read the full explanation → · in clinical review
Common questions
Answered from this trial’s registry record. Where the record doesn’t say, these answers say so rather than filling the gap.
Am I eligible for this trial?
Only the trial siteTrial siteA hospital or clinic where a study is actually run.Read more → can decide whether someone can take part. Concord cannot make that determination, and neither can any tool that has not examined you.
What the study lists: a minimum age of 60 years.
The full inclusionInclusion criteriaThe things you must have or be for a study to consider you.Read more → and exclusion criteriaExclusion criteriaThe things that would prevent someone from taking part.Read more → are published on this page, exactly as the study team wrote them.
The useful next step is to bring this trial to your doctor. Answering a few questions first gives them something concrete to review.
From the trial registry
- eligibilityModule.minimumAge
- eligibilityModule.eligibilityCriteria
Is there a placebo?
Yes. This study includes a placeboPlaceboA dummy treatment with no active medicine, used for comparison.Read more → group — a dummy treatment with no active medicine in it.
From the trial registry
- armsInterventionsModule.armGroups[].type
Would I know which treatment I am getting?
You, the study team, the people giving the treatment, and the people analysing the results would all be kept unaware of which group you are in until the study ends.
Which group you would be placed in is decided by chance, like a coin flip — not by you and not by your doctor.
From the trial registry
- designModule.designInfo.maskingInfo.masking
- designModule.designInfo.allocation
Who can join?
The study lists a minimum age of 60 years, with no upper limit given.
It is open to people of any sex.
It does not accept healthy volunteersHealthy volunteerSomeone without the condition being studied who takes part anyway.Read more →.
Only the trial siteTrial siteA hospital or clinic where a study is actually run.Read more → can confirm whether a particular person can take part.
From the trial registry
- eligibilityModule.minimumAge
- eligibilityModule.sex
- eligibilityModule.healthyVolunteers
How long would this take?
The study's main measurement is taken over: 12 months.
The study as a whole is currently expected to finish around 2030-08-30.
How long any one person takes part can differ from the study length. The study team can tell you what the schedule looks like in practice.
From the trial registry
- outcomesModule.primaryOutcomes[].timeFrame
- statusModule.completionDateStruct.date
How many people are taking part?
The study aims to enrol about 240 people.
From the trial registry
- designModule.enrollmentInfo.count
Where is this happening?
This study lists 5 locations, including: Edmonton, Alberta, Canada; Vancouver, British Columbia, Canada; London, Ontario, Canada; Ottawa, Ontario, Canada; Toronto, Ontario, Canada.
Sites can open and close during a study, so confirm with the team before travelling.
From the trial registry
- trial_locations
About This Trial
Phase 2 study is designed to assess the efficacy of ADX-038 compared with placebo in participants with GA secondary to AMD. Safety, pharmacokinetics (PK), and pharmacodynamics (PD) will also be assessed.
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See if this trial could fit youThis page is for informational purposes only and does not constitute medical advice. Clinical trial eligibility can only be determined by the trial site after proper screening. Trial information is sourced from ClinicalTrials.gov and may not reflect the most current status. Always consult your healthcare provider before making decisions about clinical trial participation.