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Age Related CataractPhase 2NCT06614348

Prednisolone Acetate Eye Drops for Pain Intervention in Second Eye Cataract Surgery

A Phase 2 study testing Prednisolone acetate eye drop group and Sodium hyaluronate eye drops in people with Age Related Cataract and Pain Management During Cataract Surgery, run by Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

This study aims to evaluate the efficacy, safety, and potential mechanisms of prednisolone acetate eye drops for pain management in patients undergoing second-eye surgery for age-related cataracts. Read more about this study

Who is it for?
Ages 50 to 80 years
What is being tested?
Prednisolone acetate eye drop group and Sodium hyaluronate eye drops
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
70 participants
Where
No sites listed yet
Study dates
8 Oct 2024to 30 Nov 2025
Phase
Phase 2
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 50 to 80 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Age between 50-80 years old;
  • A clear diagnosis of age-related cataract, having completed the first eye cataract surgery at our hospital, and planning to have the second eye cataract surgery with the same doctor;
  • The interval between the two surgeries is ≤30 days;
  • Capable of cooperating to complete iris optical coherence tomography angiography examination;
  • Based on our team\'s previous research, a predictive scoring formula for pain during the second eye surgery has been derived (Predicted score = 1.36 + 4.93 * preoperative iris vessel area density - 0.24 * surgical interval (weeks)), and the calculated predicted score is \>2.

Who cannot join

  • History of ocular trauma, ocular surgery, uveitis, fundus disease, glaucoma, or recent history of episcleritis, keratitis, severe dry eye, and other ocular surface disease episodes;
  • Participation in intraocular or systemic medication clinical trials within the past 6 months;
  • Having an autoimmune disease or currently undergoing immunosuppressive therapy;
  • Having a psychiatric disorder such as anxiety or depression;
  • History of using glucocorticoid eye drops for treatment in the second eye within the past month;
  • Long-term use of drugs that can cause intraoperative floppy iris syndrome, such as alpha-blockers;
  • Severe complications occurred during or after the first eye surgery (e.g., posterior capsule rupture, zonular exercise, nuclear drop into the vitreous cavity, postoperative endophthalmitis, glaucoma, etc.).

Trial locations and contacts

No sites are listed yet.

About this study

Official title: A Randomized Controlled Study of Prednisolone Acetate Eye Drops for Pain Intervention in Second Eye Cataract Surgery

This study aims to evaluate the efficacy, safety, and potential mechanisms of prednisolone acetate eye drops for pain management in patients undergoing second-eye surgery for age-related cataracts.

Researchers will compare prednisolone acetate eye drops to sodium hyaluronate eye drops to see if prednisolone acetate eye drops work to relieve intraoperative and postoperative pain during second-eye cataract surgery.

Participants will:

  1. Receive prednisolone acetate eye drops or sodium hyaluronate eye drop four drops within 2 hours before cataract surgery
  2. Finish cataract surgery and routine postoperative follow-up
  3. Pain questionnaire completed after cataract surgery
Being tested
Prednisolone acetate eye drop group, Sodium hyaluronate eye drops
Keywords
cataract surgery, pain, second-eye cataract surgery
Medical subject headings
Pain

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Prednisolone acetate eye drop groupDrug

    Patients receive prednisolone acetate eye drops 4 times per 30min within 2 hours before cataract surgery

  • Sodium hyaluronate eye dropsDrug

    Patients receive sodium hyaluronate eye drops 4 times per 30min within 2 hours before cataract surgery

Study groups in NCT06614348
Study groupRoleWhat they receive
Prednisolone acetate eye drop groupExperimentalNot described
Receives: Drug: Prednisolone acetate eye drop group
hyaluronic acid eye drop groupPlacebo comparatorNot described
Receives: Drug: Sodium hyaluronate eye drops

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Pain scores measured by Visual Analogue Scale

    Within one hour after surgery, the investigator uses the Visual Analogue Scale (VAS) to allow the patient to self-assess the degree of pain. A movable ruler about 10 cm long is used, with one side unmarked and the other side marked with scales, with the ends labeled "0" for no pain and "10" for the most severe pain that is unbearable. The investigator holds the marked side of the ruler away from the patient, allowing the patient to mark the position on the ruler that represents their level of pain. The investigator then records the corresponding score based on the position marked by the patient.

    Measured: Within one hour after surgery

Secondary outcomes (4)
  1. Comparison of pain during the second eye surgery to the first eye surgery

    Within one hour after the surgery, the investigator asks the patient to compare the pain experienced during the second eye surgery with that of the first eye surgery. The patient is asked to choose the most appropriate statement from the following: 1. I think the pain during the second eye surgery was worse than the first eye surgery; 2. I think the pain during the second eye surgery was less than the first eye surgery; 3. I think the pain during the second eye surgery was about the same as the first eye surgery; 4. I do not remember the pain during the first eye surgery; and the result is recorded by the investigator.

    Measured: Within one hour after surgery

  2. Expression levels of monocyte chemotactic protein-1 in the aqueous humor of surgical eyes

    The aqueous humor is detected using a cytokine array according to the instructions of manufacturer.

    Measured: Within three months after surgery

  3. Best Corrected Visual Acuity (BCVA) of the surgical eye

    When testing Best Corrected Visual Acuity (BCVA) with the Snellen chart, first ensure that the patient is wearing the appropriate corrective lenses. Then ask the patient to stand 20 feet (6 meters) away from the chart. Instruct the patient to cover one eye with a hand, and test the uncovered eye. Starting from the top, have the patient read the smallest line of text they can see clearly. Record the vision of the smallest line that the patient can read completely and correctly.

    Measured: One month after surgery

  4. Adverse events and severe adverse events

    Adverse Events (AEs):

    Intraoperative complications: such as posterior capsule rupture, zonular dialysis, inability to implant an intraocular lens, etc.

    Postoperative infection: Infection at the surgical site, which may require additional antibiotic treatment or surgical intervention.

    Changes in vision: Decreased vision after surgery can occur even without apparent complications.

    Elevated intraocular pressure: Intraocular pressure may be temporarily or persistently elevated after surgery, necessitating medication or surgical intervention.

    Serious Adverse Events (SAEs):

    Retinal detachment, endopthalmitis, persistent high intraocular pressure, severe bleeding, dislocation of the lens or intraocular lens, etc.

    Measured: From enrollment to one month after surgery

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted26 Sep 2024
  2. Study start8 Oct 2024 (estimated)
  3. Primary completion30 Jun 2025 (estimated)
  4. Study completion30 Nov 2025 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Triple blind
Who is masked
Participant, Care provider, Investigator
Enrolment
70 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06614348
Sponsor's protocol ID
CCTR-2023C03
Status last verified
Sep 2024
First submitted
24 Sep 2024
Last updated
26 Sep 2024
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Undecided

Publications

  • Zhang Y, Du Y, Jiang Y, Zhu X, Lu Y. Effects of Pranoprofen on Aqueous Humor Monocyte Chemoattractant Protein-1 Level and Pain Relief During Second-Eye Cataract Surgery. Front Pharmacol. 2018 Jul 17;9:783. doi: 10.3389/fphar.2018.00783. eCollection 2018.

    PubMed 30065652
  • Cui L, Ma Y, Wang Y, Luo Q, Ding Q, Ge L, Lu S, Miao Y, Sun Q, Zou H, Jin H. Combination of iris vessel area density and surgery interval as the predictor of perceived pain during consecutive second-eye cataract surgery. J Cataract Refract Surg. 2023 Aug 1;49(8):858-863. doi: 10.1097/j.jcrs.0000000000001229.

    PubMed 37350758

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Prednisolone acetate eye drop group and Sodium hyaluronate eye drops in people with Age Related Cataract and Pain Management During Cataract Surgery, run by Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 7 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 26 Sep 2024. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

Contact Huiyi Jin (021-63240090, superbaby_jin@163.com), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Pain scores measured by Visual Analogue Scale (time frame: Within one hour after surgery). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT06614348, which also lists 2 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 26 Sep 2024.

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