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Treatment of head louse infestation with 4% dimeticone lotion: randomised controlled equivalence trial.
BMJ. 2005 Jun 18; 330(7505):1423.BMJ

Abstract

OBJECTIVE

To evaluate the efficacy and safety of 4% dimeticone lotion for treatment of head louse infestation.

DESIGN

Randomised controlled equivalence trial.

SETTING

Community, with home visits.

PARTICIPANTS

214 young people aged 4 to 18 years and 39 adults with active head louse infestation.

INTERVENTIONS

Two applications seven days apart of either 4.0% dimeticone lotion, applied for eight hours or overnight, or 0.5% phenothrin liquid, applied for 12 hours or overnight.

OUTCOME MEASURES

Cure of infestation (no evidence of head lice after second treatment) or reinfestation after cure.

RESULTS

Cure or reinfestation after cure occurred in 89 of 127 (70%) participants treated with dimeticone and 94 of 125 (75%) treated with phenothrin (difference -5%, 95% confidence interval -16% to 6%). Per protocol analysis showed that 84 of 121 (69%) participants were cured with dimeticone and 90 of 116 (78%) were cured with phenothrin. Irritant reactions occurred significantly less with dimeticone (3/127, 2%) than with phenothrin (11/125, 9%; difference -6%, -12% to -1%). Per protocol this was 3 of 121 (3%) participants treated with dimeticone and 10 of 116 (9%) treated with phenothrin (difference -6%, -12% to -0.3%).

CONCLUSION

Dimeticone lotion cures head louse infestation. Dimeticone seems less irritant than existing treatments and has a physical action on lice that should not be affected by resistance to neurotoxic insecticides.

Authors+Show Affiliations

Insect Research and Development, Shepreth, Royston SG8 6QZ. ian@insectresearch.com <ian@insectresearch.com>No affiliation info availableNo affiliation info available

Pub Type(s)

Clinical Trial
Journal Article
Randomized Controlled Trial
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

15951310

Citation

Burgess, Ian F., et al. "Treatment of Head Louse Infestation With 4% Dimeticone Lotion: Randomised Controlled Equivalence Trial." BMJ (Clinical Research Ed.), vol. 330, no. 7505, 2005, p. 1423.
Burgess IF, Brown CM, Lee PN. Treatment of head louse infestation with 4% dimeticone lotion: randomised controlled equivalence trial. BMJ. 2005;330(7505):1423.
Burgess, I. F., Brown, C. M., & Lee, P. N. (2005). Treatment of head louse infestation with 4% dimeticone lotion: randomised controlled equivalence trial. BMJ (Clinical Research Ed.), 330(7505), 1423.
Burgess IF, Brown CM, Lee PN. Treatment of Head Louse Infestation With 4% Dimeticone Lotion: Randomised Controlled Equivalence Trial. BMJ. 2005 Jun 18;330(7505):1423. PubMed PMID: 15951310.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Treatment of head louse infestation with 4% dimeticone lotion: randomised controlled equivalence trial. AU - Burgess,Ian F, AU - Brown,Christine M, AU - Lee,Peter N, Y1 - 2005/06/10/ PY - 2005/6/14/pubmed PY - 2005/7/12/medline PY - 2005/6/14/entrez SP - 1423 EP - 1423 JF - BMJ (Clinical research ed.) JO - BMJ VL - 330 IS - 7505 N2 - OBJECTIVE: To evaluate the efficacy and safety of 4% dimeticone lotion for treatment of head louse infestation. DESIGN: Randomised controlled equivalence trial. SETTING: Community, with home visits. PARTICIPANTS: 214 young people aged 4 to 18 years and 39 adults with active head louse infestation. INTERVENTIONS: Two applications seven days apart of either 4.0% dimeticone lotion, applied for eight hours or overnight, or 0.5% phenothrin liquid, applied for 12 hours or overnight. OUTCOME MEASURES: Cure of infestation (no evidence of head lice after second treatment) or reinfestation after cure. RESULTS: Cure or reinfestation after cure occurred in 89 of 127 (70%) participants treated with dimeticone and 94 of 125 (75%) treated with phenothrin (difference -5%, 95% confidence interval -16% to 6%). Per protocol analysis showed that 84 of 121 (69%) participants were cured with dimeticone and 90 of 116 (78%) were cured with phenothrin. Irritant reactions occurred significantly less with dimeticone (3/127, 2%) than with phenothrin (11/125, 9%; difference -6%, -12% to -1%). Per protocol this was 3 of 121 (3%) participants treated with dimeticone and 10 of 116 (9%) treated with phenothrin (difference -6%, -12% to -0.3%). CONCLUSION: Dimeticone lotion cures head louse infestation. Dimeticone seems less irritant than existing treatments and has a physical action on lice that should not be affected by resistance to neurotoxic insecticides. SN - 1756-1833 UR - https://www.unboundmedicine.com/medline/citation/15951310/Treatment_of_head_louse_infestation_with_4_dimeticone_lotion:_randomised_controlled_equivalence_trial_ L2 - https://www.bmj.com/lookup/pmidlookup?view=long&amp;pmid=15951310 DB - PRIME DP - Unbound Medicine ER -