Myopia, ProgressiveMCOS7NCT04806698
Long-term Efficacy of Orthokeratology Contact Lens Wear in Controlling the Progression of Childhood Myopia
A study testing Menicon Z Night in people with Myopia, Progressive and Children, Only, run by Menicon Co., Ltd..
Trial summary
To assess the long-term efficacy of the Menicon Z Night orthokeratology contact lens in controlling the progression of childhood myopia Read more about this study
- Who is it for?
- Ages 6 to 12 yearsHealthy volunteers can take part
- Conditions the study is for
- Myopia, Progressive, Children, Only
- What is being tested?
- Menicon Z Night
- Type of treatment
- Medical device
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 30 participants
- Where
- No sites listed yet
- Study dates
- 1 Mar 2007to 1 Mar 2015
- Phase
- Interventional
- 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 6 to 12 years
- All sexes
- Healthy volunteers accepted
- Child
Who may be able to join
- Be 6 to 12 years of age, both ages inclusive
- A low-to-moderate level of myopia (between -0.75 and -4.00 D) and of astigmatism (≤ 1.00 D)
- Neophyte contact lens wearer
- Be successfully fitted with spectacles or orthokeratology contact lenses
- Be able to achieve, through spherical refraction correction, a logMAR visual acuity of 0.8 or better in each eye
- Be willing and able to follow the subject instructions and to meet the protocol-specified schedule of follow-up visits
- White European ethnicity
Who cannot join
- Systemic or ocular disease affecting ocular health
- Use of any systemic or topical medications that could affect ocular physiology or contact lens performance
- Any lid or anterior segment abnormalities for which contact lens wear could be contraindicated
- CCLRU grade ≥ 2 for any given anterior segment ocular clinical signs
- Aphakic, amblyopic, and atopic individuals
- Refractive astigmatism ≥ ½ spherical refraction
- Previous contact lens wear
About this study
To assess the long-term efficacy of the Menicon Z Night orthokeratology contact lens in controlling the progression of childhood myopia
Read the detailed description
This prospective, controlled, parallel, longitudinal study compared the axial length growth of white European myopic children wearing Menicon Z Night orthokeratology contact lenses to a control group over a 7-year period.
- Conditions
- Myopia, Progressive, Children, Only
- Being tested
- Menicon Z Night, Control
- Medical subject headings
- Myopia, Degenerative
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Menicon Z NightDevice
Children wearing Menicon Z Night orthokeratology contact lenses
ControlDevice
Children wearing distance single-vision glasses or distance single-vision soft contact lenses
| Study group | Role | What they receive |
|---|---|---|
| Menicon Z Night | Experimental | The experimental arm includes a group of children wearing Menicon Z Night orthokeratology contact lenses for 7 years Receives: Device: Menicon Z Night |
| Control | Active comparator | The active comparator arm includes a control group of children wearing distance, single-vision glasses or soft contact lenses Receives: Device: Control |
What is being measured
The primary outcome is the main question the study is designed to answer.
Axial length
To compare the axial length growth of white European myopic children wearing Menicon Z Night orthokeratology contact lenses to a control group of distance, single vision glasses or soft contact lenses
Measured: Seven years
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted19 Mar 2021
- Study start1 Mar 2007
- Primary completion1 Mar 2015
- Study completion1 Mar 2015
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for Myopia, ProgressiveStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
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 N/A
- Primary purpose
- Treatment
- Allocation
- Non-randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 30 participants (actual)
Sponsor and investigators
- Lead sponsor
- Menicon Co., Ltd.
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04806698
- Sponsor's protocol ID
- MCOS7
- Acronym
- MCOS7
- Status last verified
- Mar 2021
- First submitted
- 10 Mar 2021
- Last updated
- 19 Mar 2021
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Publications
Santodomingo-Rubido J, Villa-Collar C, Gilmartin B, Gutierrez-Ortega R, Sugimoto K. Long-term Efficacy of Orthokeratology Contact Lens Wear in Controlling the Progression of Childhood Myopia. Curr Eye Res. 2017 May;42(5):713-720. doi: 10.1080/02713683.2016.1221979. Epub 2016 Oct 21.
PubMed 27767354
Study at a glance
From the registry record, last updated by the sponsor on 19 Mar 2021. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Long-term Efficacy of Orthokeratology Contact Lens Wear in Controlling the Progression of Childhood Myopia
- ClinicalTrials.gov ID
- NCT04806698
- Acronym / sponsor ID
- MCOS7 / MCOS7
- Conditions
- Myopia, Progressive, Children, Only
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 30 participants (actual)
- Lead sponsor
- Menicon Co., Ltd.Industry (pharma, biotech, devices)
- Study start
- 1 Mar 2007 (actual)
- Primary completion
- 1 Mar 2015 (actual)
- Study completion
- 1 Mar 2015 (actual)
- First posted
- 19 Mar 2021 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
To assess the long-term efficacy of the Menicon Z Night orthokeratology contact lens in controlling the progression of childhood myopia
Detailed description
This prospective, controlled, parallel, longitudinal study compared the axial length growth of white European myopic children wearing Menicon Z Night orthokeratology contact lenses to a control group over a 7-year period.
Study design
- Primary purpose
- Treatment
- Allocation
- Non-randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Menicon Z Night | Experimental | Device: Menicon Z NightThe experimental arm includes a group of children wearing Menicon Z Night orthokeratology contact lenses for 7 years |
| Control | Active comparator | Device: ControlThe active comparator arm includes a control group of children wearing distance, single-vision glasses or soft contact lenses |
Who may qualify
- Ages
- 6 to 12 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Child
Key inclusion criteria (7 listed)
- Be 6 to 12 years of age, both ages inclusive
- A low-to-moderate level of myopia (between -0.75 and -4.00 D) and of astigmatism (≤ 1.00 D)
- Neophyte contact lens wearer
- Be successfully fitted with spectacles or orthokeratology contact lenses
- Be able to achieve, through spherical refraction correction, a logMAR visual acuity of 0.8 or better in each eye
Key exclusion criteria (7 listed)
- Systemic or ocular disease affecting ocular health
- Use of any systemic or topical medications that could affect ocular physiology or contact lens performance
- Any lid or anterior segment abnormalities for which contact lens wear could be contraindicated
- CCLRU grade ≥ 2 for any given anterior segment ocular clinical signs
- Aphakic, amblyopic, and atopic individuals
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Menicon Z NightChildren wearing Menicon Z Night orthokeratology contact lenses | Device | Menicon Z Night |
| ControlChildren wearing distance single-vision glasses or distance single-vision soft contact lenses | Device | Control |
Primary outcome
Axial length
Time frame: Seven years
To compare the axial length growth of white European myopic children wearing Menicon Z Night orthokeratology contact lenses to a control group of distance, single vision glasses or soft contact lenses
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 19 Mar 2021.
- Results publication: PubMed 27767354Santodomingo-Rubido J, Villa-Collar C, Gilmartin B, Gutierrez-Ortega R, Sugimoto K. Long-term Efficacy of Orthokeratology Contact Lens Wear in Controlling the Progression of Childhood Myopia. Curr Eye Res. 2017 May;42(5):713-720. doi: 10.1080/02713683.2016.1221979. Epub 2016 Oct 21.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
Questions about this trial
What is this clinical trial studying?
A study testing Menicon Z Night in people with Myopia, Progressive and Children, Only, run by Menicon Co., Ltd..
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 7 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: finished, as of the sponsor's last update on 19 Mar 2021. 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. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Axial length (time frame: Seven years). 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 NCT04806698, which also lists 1 linked publication.
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 19 Mar 2021.