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Choroidal NeovascularizationPhase 4SMILENCT03042871

Dosing Strategy of Intravitreal Ranibizumab for Pathological Myopia Choroidal Neovascularization

A Phase 4 study testing 0.5mg intravitreal ranibizumab in people with Choroidal Neovascularization, run by Zhongshan Ophthalmic Center, Sun Yat-sen University at 1 site in China.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to compare the efficacy (times of injection, change of visual acuity and Cva/ I) and safety (macular visual function and choroidal thickness) of different dosing of ranibizumab intravitreal injection (1+PRN vs. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Choroidal Neovascularization
What is being tested?
0.5mg intravitreal ranibizumab
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
54 participants
Where
1 siteChina
Study dates
Apr 2015to Jul 2018
Phase
Phase 4
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 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • older then 18 years old
  • refractive error ≥ -6.0 diopters or axial length ≥ 26.0mm
  • active CNV due to high myopic which is the only reason cause visual loss confirmed by fluorescein fundus angiography
  • BCVA ≥ 24.0 and ≤73 letters at a starting distance of 4 meters using Early Treatment Diabetic Retinopathy Study visual acuity chart.

Who cannot join

  • history of (a) stroke,(b) laser photocoagulation involved macular area in study eye, (c) intraocular treatment with corticosteroids or intraocular surgery or anti vascular endothelial growth factor or verteporfin photodynamic therapy within 6 months in study eye, or (d) hypersensitivity to ranibizumab or fluorescein
  • presence of active infectious disease or confirmed intraocular pressure ≥ 21.0 mmHg
  • pregnant or nursing women
  • uncontrolled high blood pressure ≥ 150/90 mmHg or uncontrolled fasting blood glucose ≥ 7 mmol/L

Trial locations and contacts

1 site in 1 country.

China1 site
  • ZhongShan Ophthalmic Center, Sun Yat-sen University

    Guangzhou, Guangdong, 510060

Other trials in China

About this study

Official title: Dosing Strategy of Intravitreal Ranibizumab for Myopia Choroidal Neovascularization: a Single Center Randomized Prospective Study

The purpose of this study is to compare the efficacy (times of injection, change of visual acuity and Cva/ I) and safety (macular visual function and choroidal thickness) of different dosing of ranibizumab intravitreal injection (1+PRN vs. 3+PRN) in treating with pathological myopia choroidal neovascularization (PM-CNV).

Read the detailed description

PM is a common disease in east asia, while PM-CNV affect 5%-10% PM patients.PM-CNV has specific characteristics, including small dimensions and limited exudative manifestations comparing with age-related macular degeneration. However, treatment regimen and re-treatment criteria follow the PrONTO protocol. The question of the optimal dose and treatment regimen in myopic CNV management is still unresolved. There is no unequivocal evidence suggesting hat PRN treatment is more effective than a loading phase followed by an as-needed variable dosage regimen.

Being tested
0.5mg intravitreal ranibizumab
Keywords
PM-CNV ,Ranibizumab, Dosing Strategy
Medical subject headings
Choroidal Neovascularization

What participants receive

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

  • 0.5mg intravitreal ranibizumabDrug

    Also called IVR 0.5mg

    Patients received ranibizumab (0.5mg, Novartis AG, Basel, Switzerland) via a pars plana transcleral injection through 30-gauge needle at 3.5 to 4mm of inferotemporal limbus. Levofloxacin eye drops ( Cravit Eye Drops, Santen, Japan) was instilled 4 times a day in the study eye before the treatment at least 1 day. Povidone-iodine (5%, Luofushan Pharmaceutical Co., China) was applied to the conjunctiva bulbi and the fornices for at least 3 minutes before injection. Patients were instructed to continue the levofloxacin eye drops 4 times a day for 3 days

Study groups in NCT03042871
Study groupRoleWhat they receive
Group AActive comparatorGroup A included 30 patients treated with one 0.5mg intravitreal ranibizumab injection. All patients were followed monthly for 12 months with additional injections performed as needed.
Receives: Drug: 0.5mg intravitreal ranibizumab
Group BActive comparatorGroup B included 30 patients treated with three monthly 0.5mg intravitreal ranibizumab injections. All patients were followed monthly for 12 months with additional injections performed as needed.
Receives: Drug: 0.5mg intravitreal ranibizumab

What is being measured

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

  1. Injection Number

    Total IRV injection number

    Measured: 12 months

  2. Best corrected visual acuity (BCVA)

    Measured: Change from baseline to 12 months

Secondary outcomes (6)
  1. Retinal sensitivities on microperimetry

    Measured: Baseline and monthly after enrollment from baseline up to 12 months

  2. Electrical response densities in the foveal on multifocal electroretinogram

    Measured: Baseline, 3 months, 6 months and 12 months after enrollment.

  3. Alterations of optic coherence tomography angiography

    Measured: Baseline, 3 months, 6 months and 12 months after enrollment.

  4. Retinal thickness on optic coherence tomography

    Measured: Baseline and monthly after enrollment up to 12 months.

  5. Leakage in lesion on fluorescein fundus angiography

    Measured: Baseline, 3 months, 6 months and 12 months after enrollment.

  6. Fixation stability on microperimetry

    Measured: Baseline and monthly after enrollment from baseline up to 12 months

Timeline

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

  1. First posted3 Feb 2017 (estimated)
  2. Study startApr 2015
  3. Primary completionJul 2018
  4. Study completionJul 2018

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 4
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Double blind
Who is masked
Participant, Outcomes assessor
Enrolment
54 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03042871
Sponsor's protocol ID
2015002
Acronym
SMILE
Status last verified
Mar 2019
First submitted
21 Aug 2016
Last updated
11 Mar 2019
Results posted
No
Data monitoring committee
Yes
Individual data sharing
Undecided

Publications

  • Van Newkirk MR. The Hong Kong vision study: a pilot assessment of visual impairment in adults. Trans Am Ophthalmol Soc. 1997;95:715-49.

    PubMed 9440191
  • Yoshida T, Ohno-Matsui K, Yasuzumi K, Kojima A, Shimada N, Futagami S, Tokoro T, Mochizuki M. Myopic choroidal neovascularization: a 10-year follow-up. Ophthalmology. 2003 Jul;110(7):1297-305. doi: 10.1016/S0161-6420(03)00461-5.

    PubMed 12867382
  • Wong TY, Foster PJ, Hee J, Ng TP, Tielsch JM, Chew SJ, Johnson GJ, Seah SK. Prevalence and risk factors for refractive errors in adult Chinese in Singapore. Invest Ophthalmol Vis Sci. 2000 Aug;41(9):2486-94.

    PubMed 10937558
  • Chan WM, Ohji M, Lai TY, Liu DT, Tano Y, Lam DS. Choroidal neovascularisation in pathological myopia: an update in management. Br J Ophthalmol. 2005 Nov;89(11):1522-8. doi: 10.1136/bjo.2005.074716.

    PubMed 16234465
  • Jones D, Luensmann D. The prevalence and impact of high myopia. Eye Contact Lens. 2012 May;38(3):188-96. doi: 10.1097/ICL.0b013e31824ccbc3.

    PubMed 22495679
  • Miller DG, Singerman LJ. Vision loss in younger patients: a review of choroidal neovascularization. Optom Vis Sci. 2006 May;83(5):316-25. doi: 10.1097/01.opx.0000216019.88256.eb.

    PubMed 16699445
  • Sun J, Zhou J, Zhao P, Lian J, Zhu H, Zhou Y, Sun Y, Wang Y, Zhao L, Wei Y, Wang L, Cun B, Ge S, Fan X. High prevalence of myopia and high myopia in 5060 Chinese university students in Shanghai. Invest Ophthalmol Vis Sci. 2012 Nov 1;53(12):7504-9. doi: 10.1167/iovs.11-8343.

    PubMed 23060137
  • Nagaoka N, Shimada N, Hayashi W, Hayashi K, Moriyama M, Yoshida T, Tokoro T, Ohno-Matsui K. Characteristics of periconus choroidal neovascularization in pathologic myopia. Am J Ophthalmol. 2011 Sep;152(3):420-427.e1. doi: 10.1016/j.ajo.2011.03.002. Epub 2011 Jun 22.

    PubMed 21696698
  • Verteporfin in Photodynamic Therapy Study Group. Photodynamic therapy of subfoveal choroidal neovascularization in pathologic myopia with verteporfin. 1-year results of a randomized clinical trial--VIP report no. 1. Ophthalmology. 2001 May;108(5):841-52. doi: 10.1016/s0161-6420(01)00544-9.

    PubMed 11320011
  • Blinder KJ, Blumenkranz MS, Bressler NM, Bressler SB, Donato G, Lewis H, Lim JI, Menchini U, Miller JW, Mones JM, Potter MJ, Pournaras C, Reaves A, Rosenfeld P, Schachat AP, Schmidt-Erfurth U, Sickenberg M, Singerman LJ, Slakter JS, Strong HA, Virgili G, Williams GA. Verteporfin therapy of subfoveal choroidal neovascularization in pathologic myopia: 2-year results of a randomized clinical trial--VIP report no. 3. Ophthalmology. 2003 Apr;110(4):667-73. doi: 10.1016/s0161-6420(02)01998-x.

    PubMed 12689884
  • Nguyen QD, Shah S, Tatlipinar S, Do DV, Anden EV, Campochiaro PA. Bevacizumab suppresses choroidal neovascularisation caused by pathological myopia. Br J Ophthalmol. 2005 Oct;89(10):1368-70. No abstract available.

    PubMed 16170134
  • Wolf S, Balciuniene VJ, Laganovska G, Menchini U, Ohno-Matsui K, Sharma T, Wong TY, Silva R, Pilz S, Gekkieva M; RADIANCE Study Group. RADIANCE: a randomized controlled study of ranibizumab in patients with choroidal neovascularization secondary to pathologic myopia. Ophthalmology. 2014 Mar;121(3):682-92.e2. doi: 10.1016/j.ophtha.2013.10.023. Epub 2013 Dec 8.

    PubMed 24326106
  • Grunwald JE, Daniel E, Huang J, Ying GS, Maguire MG, Toth CA, Jaffe GJ, Fine SL, Blodi B, Klein ML, Martin AA, Hagstrom SA, Martin DF; CATT Research Group. Risk of geographic atrophy in the comparison of age-related macular degeneration treatments trials. Ophthalmology. 2014 Jan;121(1):150-161. doi: 10.1016/j.ophtha.2013.08.015. Epub 2013 Sep 29.

    PubMed 24084496
  • Kung YH, Wu TT, Huang YH. One-year outcome of two different initial dosing regimens of intravitreal ranibizumab for myopic choroidal neovascularization. Acta Ophthalmol. 2014 Dec;92(8):e615-20. doi: 10.1111/aos.12457. Epub 2014 Jun 12.

    PubMed 24924911

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing 0.5mg intravitreal ranibizumab in people with Choroidal Neovascularization, run by Zhongshan Ophthalmic Center, Sun Yat-sen University at 1 site in China.

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 4 inclusion and 4 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 11 Mar 2019. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.

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.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

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

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?

Injection Number (time frame: 12 months). The study lists 2 primary outcomes in all. 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 NCT03042871, which also lists 14 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 11 Mar 2019.

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