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Ocular Surface Squamous Neoplasia: Risk factors, diagnosis, management and outcomes at a Tertiary Eye Hospital in South Africa

Ocular Surface Squamous Neoplasia: Risk factors, diagnosis, management and outcomes at a Tertiary Eye Hospital in South Africa

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
PACTR
Registry ID
PACTR201912900667480
Enrollment
300
Registered
2019-12-06
Start date
2019-12-02
Completion date
Unknown
Last updated
2026-01-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cancer Eye Diseases

Interventions

Topical 5 fluorouracil eye drops

Sponsors

St John Eye Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients presenting with symptomatic conjunctival masses that have: 1. Suspicious features of OSSN on clinical examination a. Leukoplakia b. Feeder vessels c. Pigmentation 2. Persistent symptoms despite topical medical therapy a. Redness b. Foreign body sensation c. Blurred vision

Exclusion criteria

Exclusion criteria: 1. Age less than 18 years 2. Pregnant or breastfeeding 3. Previous surgery or topical chemotherapy in the presenting eye 4. Masses with invasion of adjacent structures: forniceal conjunctiva, palpebral conjunctiva, tarsal conjunctiva, lacrimal punctum and canaliculi, plica, caruncle, anterior or posterior eyelid lamellae, eyelid margin, and/or intraocular compartments. 5. Neurological conditions that prevent performing study investigations (AS-OCT, IC, methylene blue stain) 6. Heritable conditions that predispose to conjunctival tumours (Xeroderma pigmentosum and oculocutaneous albinism) 7. The presence of primary acquired melanosis

Design outcomes

Primary

MeasureTime frame
To compare non-invasive diagnostic methods (cytology, AS-OCT, methylene blue staining) with histology (gold standard) in the diagnosis with OSSN To evaluate the outcomes (success and recurrence rates) with OSSN treatment (medical and surgical) over a 1-year period

Secondary

MeasureTime frame
To identify the characteristics associated with successful OSSN treatment and with OSSN recurrence over a 1-year period To describe the adverse events associated with surgical and medical treatment of OSSN

Countries

South Africa

Contacts

Public ContactRoland Hollhumer

Lecturer

roland.hollhumer@wits.ac.za+27827247207

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Feb 4, 2026