Skip to main content
. 2021 Jul 19;10:206. doi: 10.1186/s13643-021-01758-7

Table 1.

asas

Author, year Location Participants Intervention
Treatment
Control
Treatment
Outcomes Intervention Control
Balaskas, 2012 Switzerland

N = 19

Intervention = 10

Control = 9

Azithromycin + prednisone

Administration route: oral

PYR/SDZ + folinic acid + prednisone

Administration route: oral

Changes in VA

Number of recurrences

Improvement in VA

Ocular inflammation

Retinal lesion Size

NR

NR

NR

NR

NR

NR

NR

NR

NR

NR

Adverse drug reactions (minor) NR 9 (100%)
Baharivand, 2013 Iran

N = 66

Intervention = 32

Control = 34

Clindamycin + dexamethasone

Administration route: intravitreal

PYR/SDZ + folinic acid + prednisone

Administration route: oral

Changes in VA 0.38 ± 0,35 logMAR 0.35 ± 0,29 logMAR
Number of recurrences 4 (12.5%) 5 (14.7%)

Improvement in VA

(gaining >  = 2 Snellen lines)

27/32 28/34
Ocular inflammation (grade 0/trace) 28 (87.5%) 28 (82.4%)
Retinal lesion size improvement 21 (65.6%) 23 (67.6%)
Adverse drug reactions (major) 0 1 (2.9%)
Bosch-Driessen, 2002 Netherlands

N = 46

Intervention = 24

Control = 22

PYR + Azithromycin + folinic acid + prednisone

Administration route: oral

PYR/SDZ + folinic acid + prednisone

Administration route: oral

Changes in VA NR NR

Number of recurrences

(at least one year follow up)

5 /15 (33%) 5 / 9 (56%)

Improvement in VA

(> = 0.5 logMAR units at 3 months)

5 /24 (21%) 5/18 (28%)

Ocular inflammation

(No inflammatory cells from vitreous within 4 w)

14 /20 (70%) 10/14 (71%)
Retinal lesion size improvement (decrease more than 0,5 optic disk diameter in 3 months) 9/ 22 (41%) 7 /17 (41%)
Adverse drug reactions (all) 8/ 24 (33%) 14 /22 (64%)
Colin, 1989 Not exactly reported

N = 29

Intervention = 14

Control = 15

Clindamycin

Administration route: subconjunctival injections + oral prednisolone

PYR/SDZ + Prednisolone

Administration route: oral

Folinic acid

Administration route: Intramuscular

Changes in VA

Ocular inflammation

Improvement in VA

Retinal lesion Size

NR

NR

NR

NR

NR

NR

NR

NR

Number of recurrences 21% 36%
Adverse drug reactions (all) 1 1
Ghavidel, 2017 Iran

N = 72

Intervention = 36

Control = 36

Azithromycin + prednisolone

Administration route: oral

PYR/SDZ + prednisolone

Administration route: oral

Changes in VA

Ocular inflammation

0.35 logMAR (20/44 Snellen acuity)

NR

0.39 logMAR (20/49 Snellen acuity)

NR

Improvement in VA NR NR
Number of recurrences (during 24 months after treatment) 18 (50%) 4 (11,1%)
Retinal lesion size (reduction during treatment) 354.86 µm 638.89 µm
Adverse drug reactions (all) 4 (12.5%) 20 (55.5%)
Kartasasmita, 2017 Indonesia

N = 28

Intervention = 14

Control = 14

TMP/SMX + Clindamycin + methylprednisolone

Administration route: oral

PYR/SDZ + methylprednisolone + folic acid

Administration route: oral

Changes in VA

Number of recurrences

Improvement in VA

Ocular inflammation

Adverse drug reactions

NR

NR

NR

NR

NR

NR

NR

NR

NR

NR

Retinal lesion size (percentage of lesion area reduction in the third w) 57.50% 52.5%
Lashay, 2017 Iran

N = 27 Intervention = 14

Control = 13

Azithromycin + prednisone

Administration route: oral

TMP/SMX + Prednisone

Administration route: oral

Changes in VA 0.24 ± 0.04 logMAR 0.30 ± 0.01 logMAR

Number of recurrences

Improvement in VA

NR

10/14

NR

10/13

Ocular inflammation (vitreous inflammatory cells clearance) 7 (50%) 10 (77%)
Retinal lesion size (reduction) 24.2% ± 6,5% 36.6% ± 4,6%
Adverse drug reactions (mild) 4 (28.5%) 3 (23%)
Ortega, 2000 Mexico

N = 46

Intervention G1 = 13

Intervention G2 = 22

Intervention G3 = 11

G1 TMP/SMX + PYR + prednisone + folinic acid

G2 TMP/SMX + Clindamycin + prednisone

Administration route: oral

G3 TMP/SMX + PYR + Clindamycin + prednisone + folinic acid

Administration route: oral

-

Changes in VA

Improvement in VA

Ocular inflammation

Retinal lesion size

NR

NR

NR

NR

-

-

-

-

Number of relapses

G1 1 (7.6%)

G2 5 (31.2%)

G3 4 (36.3%)

Adverse drug reactions (called “Complications from treatment” and apparently mild)

G1 1 (7.6%)

G2 4 (18.1%)

G3 0 (0%)

-
Soheilian, 2005 Iran

N = 59

Intervention = 30

Control = 29

TMP/SMX + oral prednisolone

Administration route: oral

PYR/SDZ + folinic acid + prednisolone

Administration route: oral

Improvement in VA NR NR
Changes in VA (increase) 0,52 logMAR 0,56 logMAR
Number of recurrences 3 (10%) 3 (10,3%)

Ocular inflammation

(Reduction of vitreous inflammatory cells (0–trace cells) 6 w after treatment)

17 (56,7%) 20 (69%)

Retinal lesion size

(mean reduction 6 w after treatment)

59% 61%
Adverse drug reactions 1a/31 (2,8%) 1a/30 (2,9%)
Soheilian, 2011 Iran

N = 68

Intervention = 34

Control = 34

Clindamycin + dexamethasone

Administration route: intravitreal

PYR + SDZ + folinic acid + prednisolone

Administration route: oral

Improvement in VA NR NR
Changes in VA (increase) 0,44 ± 0,24 logMAR 0,29 ± 0,19 logMAR
Number of recurrences (eyes) 2 2
Ocular inflammation (trace or no vitreous cells) 15 (51,7%) 15 (55,5%)
Retinal lesion size (calculated in pixels using MATLAB environment) 116,994 +—143,997 Pixels 89,606 +—651,553 pixels
Adverse drug reactions (all) 4/34 2a/36

PYR Pyrimethamine, SDZ Sulfadiazine, TMP/SMX trimethoprim/ sulfamethoxazole, N Total sample, NR Not reported, VA Visual Acuity, w: weeks. a Patients excluded from the study. See details in Annex 3