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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01162070
Other study ID # 2009.566/19
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date June 2010
Est. completion date July 2014

Study information

Verified date August 2016
Source Hospices Civils de Lyon
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The Uveitis, the inflammation of the uvea, is a rare disease with an incidence of 52/100,000 inhabitants per year and a prevalence of 115 / 100,000 inhabitants per year.

The causes of uveitis are numerous and include infectious diseases, systemic and neurological diseases, ophthalmic entities, neoplasia, and drug-related reactions. The etiological diagnosis is important both for prognosis and therapeutics.

However, clinical evaluations to establish etiological diagnosis are not standardized. Some authors suggest a minimalist examination, common to all kinds of uveitis. On the other hand, others propose an evaluation guided by the anatomo-clinical type of uveitis.

We conducted a retrospective study to assess the contribution of complementary examinations to etiological determination. In this study, we found that most patients benefited from a wide paraclinical evaluation compared to what is usually described in the literature. Complementary examinations were mostly systematic, without any clinical or ophthalmological elements of orientation. This study highlighted the lack of contribution of some examinations.

Using these results, and the literature analysis, we designed a diagnostic algorithm adapted to the anatomo-clinical type of uveitis.

Moreover, we found that the average cost per patient was estimated at €290.51 with the algorithm compared to €560.83 without it.

We would like to carry out a new study to estimate the efficiency as well as the medico-economic impact of the use of a standardized strategy for the etiological diagnosis of uveitis, compared with a free strategy.

Hypothesis:

- The standardized strategy for the diagnostic of uveitis is at least as efficient as the free one, and costs half as much.

- The examinations prescribed, except for those from the standardized strategy, do not contribute to etiological determination.


Recruitment information / eligibility

Status Completed
Enrollment 905
Est. completion date July 2014
Est. primary completion date July 2014
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Uveitis

- Patient consulting one of the study's sites

- Age > 18 years old

- Affiliation to the French national health insurance program

- Patient agreeing to participate in the study

Exclusion Criteria:

- Positive HIV serology

- Postsurgical or posttraumatic uveitis or endophthalmitis

- Toxoplasmic uveitis

- Pathology likely to be the cause of the known uveitis

- Ophthalmic entities only diagnosed by the ophthalmic examination

- Age < 18 years old

- Patient under law protection or guardianship

- Pregnant women or those planning to be pregnant during the study

- Severe uveitis (VA < 20/200) with retinal vascularitis requiring an emergency treatment and assessment.

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Free strategy
Free strategy followed in order to make the etiological diagnosis, which means, investigators are free to perform any examination they thought necessary.
Standardized strategy
Etiological diagnosis made by following a standardized two-stage strategy: first-line assessment (listed examinations and then examinations directed by the clinical or para-clinical elements of orientation) and second or third-line assessment (examinations directed by the anatomo-clinical type of uveitis).

Locations

Country Name City State
France Service de Médecine Interne, Hospices Civils de Lyon (HCL)-Hôpital de la Croix Rousse Lyon

Sponsors (1)

Lead Sponsor Collaborator
Hospices Civils de Lyon

Country where clinical trial is conducted

France, 

References & Publications (1)

de Parisot A, Kodjikian L, Errera MH, Sedira N, Heron E, Pérard L, Cornut PL, Schneider C, Rivière S, Ollé P, Pugnet G, Cathébras P, Manoli P, Bodaghi B, Saadoun D, Baillif S, Tieulie N, Andre M, Chiambaretta F, Bonin N, Bielefeld P, Bron A, Mouriaux F, B — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary The primary outcome is the percentage of patients having an etiological diagnosis 6 months after the beginning of the study for both strategies. Note: Only diagnoses made at the end of the standardized strategy will be numbered in this arm of the study; all diagnoses made after by the free authorized examinations in this same arm will lead to standardized strategy failure. 6 months
Secondary Clinical criteria concerning the standardized strategy Percentage of patients having an established etiological diagnosis at the end of the first diagnostic stage and at the end of the second diagnostic stage. (Second or third-line assessment).
Ratio of the standardized strategy's first stage examinations having contributed to the etiological diagnosis.
Ratio of the standardized strategy's second stage examinations, directed by the anatomo-clinical type of the uveitis (Second or third-line assessment) having contributed to an etiological diagnosis.
Ratio of free complementary examinations having contributed to an etiological diagnosis.
6 months
Secondary Clinical criteria concerning the free strategy Description and ratio of the examinations that have not allowed the doctor to make an etiological diagnosis.
Description and ratio of the complementary examinations not included in the standardized strategy.
6 months
Secondary The average cost of economic criteria for each strategy. For each patient: The standardized strategy's average cost of diagnosis distinguishing between first diagnostic stage costs and second diagnostic stage costs (made up of the second or third-line assessment directed by the anotomo-clinical type of the uveitis).
Average cost of the complementary examinations not included in the standardized strategy but allowed at the end of it (subsequent free assessment).
Average cost for each patient of the whole free strategy.
12 months
Secondary Quality of life criteria - Quality of life, estimated with the standard quality of life questionnaire (SF-36) and the one specific to ophthalmology (NEI VFQ-25), will be compared between these groups:
Uveitis diagnosis versus no diagnosis
Free strategy versus standardized strategy.
: 6 months
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