Phacotrabeculectomy Versus Phacogoniotomy (PVP) in Advanced Primary Angle-closure Glaucoma
PVP
Effectiveness and Safety of Phacotrabeculectomy and Phacogoniotomy in Advanced Primary Angle-closure Glaucoma: a Multicenter Randomized Controlled Trial
1 other identifier
interventional
124
1 country
2
Brief Summary
A multicenter, parallel, open, non-inferior randomized controlled trial was conducted to compare the effectiveness and safety of phacotrabeculectomy and phacogoniotomy in the treatment of advanced primary angle closure glaucoma, so as to provide a better surgical alternative.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable
Started May 2021
Longer than P75 for not_applicable
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
May 6, 2021
CompletedFirst Posted
Study publicly available on registry
May 7, 2021
CompletedStudy Start
First participant enrolled
May 31, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 30, 2023
CompletedStudy Completion
Last participant's last visit for all outcomes
June 30, 2025
CompletedDecember 11, 2024
December 1, 2024
2 years
May 6, 2021
December 6, 2024
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Mean change of intraocular pressure
Change from baseline IOP after surgery using Goldmann or non-contact tonometer.
Postoperative 12, 24, 36 months.
Secondary Outcomes (3)
Cumulative success rate of surgery
12, 24, 36 months
Intraoperative and postoperative complications
0, 1, 7 day. 1, 3, 6, 12, 18, 24, 30, 36 months
Anti-glaucomatous medications
0, 1, 7 day. 1, 3, 6, 12, 18, 24, 30, 36 months
Other Outcomes (8)
Visual acuity
0, 1, 7 day. 1, 3, 6, 12, 18, 24, 30, 36 months
Degree of peripheral anterior synechia
3, 12, 24, 36 months
Corneal endothelial cell counting
0, 12, 24, 36 months
- +5 more other outcomes
Study Arms (2)
PEI+GSL+GT
EXPERIMENTALSixty-two patients with advanced primary angle-closure glaucoma will receive phacoemulsification with intraocular lens implantation combined with goniosynechialysis and goniotomy.
PEI+Trab
EXPERIMENTALSixty-two patients with advanced primary angle-closure glaucoma will receive phacoemulsification with intraocular lens implantation combined with trabeculectomy.
Interventions
The patients enrolled underwent phacoemulsification with intraocular lens implantation combined with goniosynechialysis and goniotomy.
The patients enrolled underwent phacoemulsification with intraocular lens implantation combined with trabeculectomy.
Eligibility Criteria
You may qualify if:
- Aged 40-80 years;
- Diagnosed with advanced PACG: meet with (1) (2) (3) or (1) (2) (4)
- At least 180-degree PAS under gonioscopy and it should cover the nasal and inferior quadrants for surgical purposes;
- IOP \>21 mmHg with or without anti-glaucoma medication;
- Obvious glaucomatous optic neuropathy (cup-to-disc \[C/D\] ratio≥0.7, or C/D asymmetry \> 0.2, or the rim width at the superior and inferior temporal \< 0.1 vertical diameters of optic disc);
- With glaucomatous visual field defects, such as nasal step, arcuate scotoma, and paracentral scotoma on a reliable Humphrey analyzer using SITA-Standard 24-2 or 30-2 algorithm; mean deviation ≤ -12dB;
- Clinically obvious cataract and uncorrected visual acuity (UCVA) \<0.63 (Early Treatment Diabetic Retinopathy Study, \[ETDRS\] chart), or need lens extraction assessed by a clinician;
- Voluntarily participate in study and provide signed informed consent.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Sun Yat-sen Universitylead
- The Second Affiliated Hospital of Harbin Medical Universitycollaborator
- West China Hospitalcollaborator
- First Hospital of Shijiazhuang Citycollaborator
- Union hospital of Fujian Medical Universitycollaborator
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicinecollaborator
- Handan City Eye Hospitalcollaborator
- Chongqing Medical Universitycollaborator
Study Sites (2)
Zhongshan Ophthalmic Center
Guangzhou, Guangdong, China
Zhongshan Ophthalmic Center
Guangdong, China
Related Publications (10)
Husain R, Do T, Lai J, Kitnarong N, Nongpiur ME, Perera SA, Ho CL, Lim SK, Aung T. Efficacy of Phacoemulsification Alone vs Phacoemulsification With Goniosynechialysis in Patients With Primary Angle-Closure Disease: A Randomized Clinical Trial. JAMA Ophthalmol. 2019 Oct 1;137(10):1107-1113. doi: 10.1001/jamaophthalmol.2019.2493.
PMID: 31294768BACKGROUNDBarry M, Alahmadi MW, Alahmadi M, AlMuzaini A, AlMohammadi M. The Safety of the Kahook Dual Blade in the Surgical Treatment of Glaucoma. Cureus. 2020 Jan 16;12(1):e6682. doi: 10.7759/cureus.6682.
PMID: 31976190BACKGROUNDTanito M, Sugihara K, Tsutsui A, Hara K, Manabe K, Matsuoka Y. Midterm Results of Microhook ab Interno Trabeculotomy in Initial 560 Eyes with Glaucoma. J Clin Med. 2021 Feb 17;10(4):814. doi: 10.3390/jcm10040814.
PMID: 33671386BACKGROUNDGrover DS, Smith O, Fellman RL, Godfrey DG, Gupta A, Montes de Oca I, Feuer WJ. Gonioscopy-assisted Transluminal Trabeculotomy: An Ab Interno Circumferential Trabeculotomy: 24 Months Follow-up. J Glaucoma. 2018 May;27(5):393-401. doi: 10.1097/IJG.0000000000000956.
PMID: 29613978BACKGROUNDDorairaj S, Tam MD, Balasubramani GK. Two-Year Clinical Outcomes of Combined Phacoemulsification, Goniosynechialysis, and Excisional Goniotomy For Angle-Closure Glaucoma. Asia Pac J Ophthalmol (Phila). 2020 Oct 6;10(2):183-187. doi: 10.1097/APO.0000000000000321.
PMID: 33031110BACKGROUNDTham CC, Kwong YY, Baig N, Leung DY, Li FC, Lam DS. Phacoemulsification versus trabeculectomy in medically uncontrolled chronic angle-closure glaucoma without cataract. Ophthalmology. 2013 Jan;120(1):62-7. doi: 10.1016/j.ophtha.2012.07.021. Epub 2012 Sep 15.
PMID: 22986111BACKGROUNDSong Y, Li F, Zhang X. Response: Comment on "Phacogoniotomy versus phacotrabeculectomy for advanced primary angle-closure glaucoma with cataract: A randomized non-inferiority trial". Asia Pac J Ophthalmol (Phila). 2024 May-Jun;13(3):100076. doi: 10.1016/j.apjo.2024.100076. Epub 2024 May 23. No abstract available.
PMID: 38795868RESULTSong Y, Lin F, Lv A, Zhang Y, Lu L, Xie L, Tang G, Yuan H, Yang Y, Xu J, Lu P, Xiao M, Zhu X, Yan X, Song W, Li X, Zhang H, Li F, Wang Z, Jin L, Gao X, Liang X, Zhou M, Zhao X, Zhang Y, Chen W, Wang N, Tham CC, Barton K, Park KH, Aung T, Weinreb RN, Tang L, Fan S, Lam DSC, Zhang X; PVP Study group. Phacogoniotomy versus phacotrabeculectomy for advanced primary angle-closure glaucoma with cataract: A randomized non-inferiority trial. Asia Pac J Ophthalmol (Phila). 2024 Jan-Feb;13(1):100033. doi: 10.1016/j.apjo.2023.100033. Epub 2023 Dec 26.
PMID: 38383075RESULTSong Y, Fan S, Tang L, Lin F, Li F, Lv A, Li X, Wen T, Lu L, Xiao M, Xie L, Zhu X, Tang G, Zhang H, Yan X, Yuan H, Song W, Yang Y, Xu J, Zhou F, Wang Z, Jin L, Liang X, Zhou M, Zhao X, Chen W, Park KH, Barton K, Aung T, Tham CC, Lam DSC, Weinreb RN, Wang N, Zhang X; PVP Study Group. Two-Year Outcomes of Phacogoniotomy vs Phacotrabeculectomy for Advanced Primary Angle-Closure Glaucoma With Cataract: A Noninferiority Randomized Clinical Trial. JAMA Ophthalmol. 2025 Jun 1;143(6):462-469. doi: 10.1001/jamaophthalmol.2025.0685.
PMID: 40244620DERIVEDSong Y, Song W, Zhang Y, Zhang H, Xiao M, Zhao X, Lv A, Yan X, Lu P, Zhu X, Gao X, Hu K, Zhang Y, Liang X, Zhang X, Tang G, Lu L, Zhou M, Fan S, Xie L, Jin L, Tang L, Yuan H, Zhang X; PVP Study group. Efficacy and safety of phacotrabeculectomy versus phacogoniotomy in advanced primary angle-closure glaucoma: study protocol for a multicentre non-inferiority randomised controlled trial (PVP Study). BMJ Open. 2021 Dec 8;11(12):e056876. doi: 10.1136/bmjopen-2021-056876.
PMID: 34880029DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Xiulan Zhang, MD, PhD
Zhongshan Ophthalmic Center, Sun Yat-sen University
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Director of Clinical Research Center
Study Record Dates
First Submitted
May 6, 2021
First Posted
May 7, 2021
Study Start
May 31, 2021
Primary Completion
May 30, 2023
Study Completion
June 30, 2025
Last Updated
December 11, 2024
Record last verified: 2024-12
Data Sharing
- IPD Sharing
- Will not share