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Table 1 In vitro activity of hits against S. ratti L3 and adults

From: Assessment of FDA-approved drugs against Strongyloides ratti in vitro and in vivo to identify potentially active drugs against strongyloidiasis

Drug

Effect on L3 (% dead after 72 h), [SD (%)] at 100 µM

Effect on adult worms (% dead after 72 h), [SD (%)] at 10 µM

Drug indicationd

Aconitine

88.1 (7.5)

17.4 (5.1)

Anesthetic (gastric), antipyretic, and cardiotoxin

Acriflavinium HCl

79.4 (7.7)

97.7 (2.3)

Anti-infective, intercalating agent

Amantadine HCl

75.5 (8.2)

24.1 (4.0)

Antiviral, antiparkinsonian; treatment of drug-induced extrapyramidal reactions

Aminohippuric acid

84.8 (6.3)

32.7 (10.2)

Renal function diagnosis

Benzethonium chloride

100.0 (0)

100.0 (0)

Anti-infective (topical)

Bitoscanate

100.0 (0)

16.5 (6.4)

Anthelmintic

Brinzolamide

82.7 (4.0)

20.1 (11.4)

Antiglaucoma

Captamine

91.0 (4.6)

35.1 (9.9)

Depigmenting agent

Cetylpyridinium chloride

100.0 (0)

100.0 (0)

Anti-infective (topical)

Ceftriaxone sodium trihydrate

100.0 (0)

20.6 (11.9)

Antibacterial

Cetrimonium bromide

100.0 (0)

77.3 (11.4)

Anti-infective

Chlormidazole

93.3 (5.1)

88.6 (11.4)

Antifungal

Chloroxylenol

88.3 (2.2)

64.6 (35.4)

Antibacterial, topical, and urinary antiseptic

Chlorpyrifos

100.0 (0)

73.1 (18.8)

Insecticide

Cinnarizine

94.7 (1.0)

59.6 (40.06)

H1 antihistamine

Coumaphos

100.0 (0)

100.0 (0)

Insecticide, cholinesterase inhibitor

Cyproheptadine HCl

100.0 (0)

31.3 (3.7)

H1-antihistamine, antipruritic

Dactinomycin

71.4 (6.4)

41.7 (10.4)

Antineoplastic, intercalating agent

Debrisoquin sulfate

91.3 (1.5)

8.85 (1.3)

Anti-hypertensive

Demeclocycline HCl

81.5 (4.0)

Antibacterial

Dyclonine HCl

100.0 (0)

29.6 (9.5)

Anesthetic (topical)

Dibenzothiophene

90.8 (2.8)

13.2 (6.9)

Keratolytic

Dimpylate

100.0 (0)

85.6 (15.0)

Insecticide, cholinesterase inhibitor

Ebselen

96.6 (1.9)

52.5 (13.4)

Antioxidant, lipoxygenase inhibitor, inhibits oxidation of LDL

Edoxudine

89.8 (3.7)

27.2 (7.1)

Antiviral

Enilconazole sulfate

71.0 (7.9)

21.9 (3.1)

Antifungal

Enoxacin

85.4 (2.9)

44.6 (9.6)

Antibacterial

Ethisterone

100.0 (0)

52.4 (24.6)

Progestogen

Fenthion

100.0 (0)

87.0 (11.3)

Insecticide, ectoparasiticide

Floxuridine

88.9 (2.1)

62.6 (37.5)

Antineoplastic, antimetabolite

Gallamine triethiodide

88.5 (2.9)

43.1 (11.3)

Muscle relaxant (skeletal)

Gentian violet

100.0 (0)

100.0 (0)

Antibacterial, anthelmintic

Gramicidinb

72.7 (2.0)

32.9 (10.1)

Antibacterial

Halcinonide

96.1 (0.9)

38.7 (4.3)

Glucocorticoid, anti-inflammatory

Hexylresorcinol

83.6 (3.2)

28.8 (8.7)

Anthelmintic, topical antiseptic

Hycanthone

78.0 (15.0)

29.3 (13.5)

Anthelmintic, hepatotoxic

Hydrocortisone butyrate

77. 8 (4.0)

54.3 (20.4)

Glucocorticoid, anti-inflammatory

Imiquimod HCl

80.6 (9.2)

64.4 (24.3)

Immunomodulator

Indapamide

70.1 (6.0)

36.6 (16.5)

Diuretic, antihypertensive

Inositol

75.9 (4.1)

28.9 (8.9)

Growth factor

Iodoquinol

70.8 (5.1)

17.9 (2.2)

Anti-amoebic

Isoxicam

89.5 (2.8)

19.3 (3.6)

Anti-inflammatory

Ivermectin

100.0 (0)

8.9 (1.25)

Antiparasitic

Kanamycin A sulfate

71.0 (3.1)

50.9 (7.0)

Antibacterial

Labetalol HCl

79.9 (8.3)

41.0 (13.2)

Adrenergic blocker

Lasalocid sodium

88.7 (1.6)

10.9 (12.0)

Antibacterial

Levamisole HCl

93.1 (4.5)

88.6 (11.4)

Immunomodulatory, anthelmintic

Malathion

100.0 (0)

Pediculicide, insecticide, cholinesterase inhibitor

Megestrol acetate

73.3 (5.54)

51.4 (2.92)

Progestogen, antineoplastic

Methylbenzethonium chloride

91.5 (1.4)

100.0 (0)c

Anti-infective

Methylthiouracil

100.0 (0)

34.3 (14.2)

Antithyroid agent

Mianserin HCl

100.0 (0)

19.6 (6.9)

5HT antagonist

Mitoxantrone HCl

92.6 (9.8)

39.8 (3.1)

Antineoplastic

Morantel citrate

100.0 (0)

100.0 (0)

Anthelmintic

Nadolol

84.6 (5.8)

52.5 (17.5)

Beta-adrenergic blocker

Niclosamide

76.3 (15.2)

Anthelmintic, teniacide

Norethynodrel

100.0 (0)

36.8 (5.3)

Progestogen, in combination with estrogen as oral contraceptive

Oxethazaine

82.9 (6.34)

Anesthetic (local)

Phenothiazine

93.3 (0.8)

37.1 (2.2)

Anthelmintic

Prasterone acetate

88.6 (7.7)

77.1 (22.8)

Adrenocortical hormone, antidepressant

Prednicarbate

100.0 (0)

29.9 (13.2)

Anti-inflammatory, glucocorticoid

Prilocaine HCl

88.5 (2.2)

25.1 (5.1)

Anesthetic (local)

Proadifen HCl

74.9 (4.8)

21.3 (1.2)

Cytochrome P450 inhibitor, Ca antagonist, anesthetic (local)

Propiolactone

92.8 (2.0)

49.5 (4.81)

Anti-infective

Pyrantel pamoate

100.0 (0)

53.0 (32.9)

Anthelmintic

52.9 (3.9)a

Selamectin

79.9 (8.1)

Anthelmintic, antiparasitic, anti-mite

Sulfanitran

100.0 (0)

65.7 (24.8)c

Antibacterial, coccidiostat

Terpene hydrate

70.5 (16.6)

18.4 (4.5)

Expectorant

Tetroquinone

85.4 (4.9)

42.9 (11.4)c

Keratolytic

Triflupromazine HCl

90.6 (5.6)

Antipsychotic

Tylopaxol

84.1 (8.3)

43.8 (11.2)

Polymeric nonionic detergent

  1. Hits are defined as compounds with 70% activity against S. ratti L3
  2. aConsidering salt factor (29 µM), empty cells reflect missing drug
  3. bGramicidin A (87%), B (7%), C (5%), and D (1%) ex Bacillus brevis
  4. cOnly tested once. SD was calculated between individual wells
  5. dIndication according to library provider (Pharmakon)