Long COVID Trial, Recruiting (NCT05650905)

Long COVID Trial, Recruiting NCT05650905 Sponsor: Medical University of Vienna Condition: Long COVID

Printed from Voxsanity (voxsanity.com.au) — NCT05650905 — Data sourced from ClinicalTrials.gov. Verify directly with the trial site before attending. Not medical advice.

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Who may be able to join

AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI

Who might be able to join this trial:

If you have never had COVID-19:

You are a man or woman aged 18 or older
You are a non-smoker
You have no significant medical conditions (or any findings are considered unimportant by the doctor)
You have never been diagnosed with COVID-19
A blood test shows no signs of previous COVID-19 infection
A current COVID-19 swab (PCR) test is negative
Your eyes are generally healthy and your prescription is not stronger than 6 diopters (confirm with trial site)

If you have had COVID-19 in the past 6 months:

You are a man or woman aged 18 or older
You are a non-smoker
You had a confirmed COVID-19 infection (proven by a positive PCR test) within the last 6 months
A blood test shows you have COVID-19 spike protein antibodies
A current COVID-19 swab (PCR) test is negative

If you have Long COVID:

You are a man or woman aged 18 or older
You are a non-smoker
You had a confirmed COVID-19 infection (proven by a positive PCR test)
A blood test shows signs of previous COVID-19 infection
A current COVID-19 swab (PCR) test is negative
You meet the World Health Organization's latest definition of Long COVID

Who may not be able to join:

If applying as someone who never had COVID-19, you may not qualify if you:

Had a noticeable illness in the 3 weeks before the study starts
Have or have had a serious medical condition, as decided by the study doctor
Have taken part in another clinical trial in the last 3 weeks
Have donated blood in the last 3 weeks
Have a personal or family history of epilepsy
Have any eye problems that would prevent reliable eye measurements, as decided by the study doctor
Have poor vision that cannot be fully corrected to a satisfactory level with glasses or contact lenses
Are pregnant, planning to become pregnant, or are breastfeeding

If applying as someone who had COVID-19 or has Long COVID, you may not qualify if you:

Have donated blood in the last 3 weeks
Have a personal or family history of epilepsy
Have any eye problems that would prevent reliable eye measurements, as decided by the study doctor
Have poor vision that cannot be fully corrected to a satisfactory level with glasses or contact lenses
Have an eye prescription stronger than 6 diopters
Are pregnant, planning to become pregnant, or are breastfeeding
Have diabetes (this applies to Long COVID applicants only)

Important: Always verify eligibility with the trial site directly before applying.

Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.

This is a simplified plain English summary of the eligibility criteria. Full criteria are set by the trial investigators and may include additional requirements not shown here. Never self-exclude from a trial based on this summary. Contact the trial site directly to confirm your eligibility.

Last synced 26 July 2026

This study is not part of the standard drug-approval phase pathway (for example an observational, device, behavioural, or registry study), so a phase success rate does not apply.

GP referral letter

Print a one-page summary to share with your doctor.

Voxsanity

Clinical trials and treatments, explained plainly · voxsanity.com.au

Date:

To: My Doctor

Re: Clinical trial enquiry

I am writing to enquire about the following clinical trial which may be relevant to my care:

Trial: NCT05650905

Sponsor: Medical University of Vienna

Phase: Not Applicable

Status: Recruiting

Condition: Long COVID

More information: https://clinicaltrials.gov/study/NCT05650905

Eligibility summary (AI generated)

Written by an AI model from ClinicalTrials.gov eligibility criteria and checked on a sample basis. Please confirm against the original criteria.

Who might be able to join this trial:

If you have never had COVID-19:

You are a man or woman aged 18 or older
You are a non-smoker
You have no significant medical conditions (or any findings are considered unimportant by the doctor)
You have never been diagnosed with COVID-19
A blood test shows no signs of previous COVID-19 infection
A current COVID-19 swab (PCR) test is negative
Your eyes are generally healthy and your prescription is not stronger than 6 diopters (confirm with trial site)

If you have had COVID-19 in the past 6 months:

You are a man or woman aged 18 or older
You are a non-smoker
You had a confirmed COVID-19 infection (proven by a positive PCR test) within the last 6 months
A blood test shows you have COVID-19 spike protein antibodies
A current COVID-19 swab (PCR) test is negative

If you have Long COVID:

You are a man or woman aged 18 or older
You are a non-smoker
You had a confirmed COVID-19 infection (proven by a positive PCR test)
A blood test shows signs of previous COVID-19 infection
A current COVID-19 swab (PCR) test is negative
You meet the World Health Organization's latest definition of Long COVID

Who may not be able to join:

If applying as someone who never had COVID-19, you may not qualify if you:

Had a noticeable illness in the 3 weeks before the study starts
Have or have had a serious medical condition, as decided by the study doctor
Have taken part in another clinical trial in the last 3 weeks
Have donated blood in the last 3 weeks
Have a personal or family history of epilepsy
Have any eye problems that would prevent reliable eye measurements, as decided by the study doctor
Have poor vision that cannot be fully corrected to a satisfactory level with glasses or contact lenses
Are pregnant, planning to become pregnant, or are breastfeeding

If applying as someone who had COVID-19 or has Long COVID, you may not qualify if you:

Have donated blood in the last 3 weeks
Have a personal or family history of epilepsy
Have any eye problems that would prevent reliable eye measurements, as decided by the study doctor
Have poor vision that cannot be fully corrected to a satisfactory level with glasses or contact lenses
Have an eye prescription stronger than 6 diopters
Are pregnant, planning to become pregnant, or are breastfeeding
Have diabetes (this applies to Long COVID applicants only)

Important: Always verify eligibility with the trial site directly before applying.

Access in Australia: A treatment being studied in a clinical trial is generally not yet listed on the PBS. Where a medicine is not approved or not available through a trial, the TGA Special Access Scheme may allow a doctor to access unapproved therapeutic goods for individual patients. See voxsanity.com.au/sas-navigator/ for a plain English explainer.

This information was sourced from ClinicalTrials.gov via Voxsanity (data last synced 26 July 2026). It is not medical advice. Please verify the trial's current status directly with the trial site before acting.

Trial details

Status

Recruiting

Phase

Not Applicable

Sponsor

Medical University of Vienna

Registry

ClinicalTrials.gov

Start date

26 July 2021

Est. completion

31 December 2025

Where this trial is recruiting

🇦🇹 Austria

Primary endpoints

Retinal neurovascular coupling

Can't join this trial?

Expanded access pathways

If this trial is not available to you, other access pathways may exist. In Australia, the TGA Special Access Scheme allows access to unapproved therapeutic goods for individual patients.

TGA Special Access Scheme information

Find other recruiting trials on ClinicalTrials.gov

Data last synced from ClinicalTrials.gov: 26 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.

Trial recruitment status can change without notice between our nightly data updates. Always contact the trial site directly to confirm current recruitment status before making any decisions or travel arrangements.

View original record on ClinicalTrials.gov