Pediatric Dermatology Vol. 31 No. 1 e28–e30, 2014

Oral Glycopyrrolate for Refractory Pediatric and Adolescent Hyperhidrosis Abstract: Primary hyperhidrosis is a common disorder affecting children and adolescents, and it can have a significant negative psychosocial effect. Treatment for pediatric hyperhidrosis tends to be limited by low efficacy, low adherence, and poor tolerance. Oral glycopyrrolate is emerging as a potential second-line treatment option, but experience with safety, efficacy, and dosing is especially limited in children. We present an institutional review of 12 children with severe, refractory hyperhidrosis treated with oral glycopyrrolate; 11 (92%) noted improvement and 9 (75%) would recommend oral glycopyrrolate to their friends. No significant side effects were noted. Our retrospective analysis suggests that oral glycopyrrolate is safe and effective in children with hyperhidrosis.

Primary hyperhidrosis affects 1.6% of adolescents and 0.6% of prepubertal children (1). Hyperhidrosis can severely affect quality of life and increase the risk of cutaneous infection (1–3). Conventional therapies, including topical aluminum chloride, iontophoresis, and botulinum toxin, may be irritating, painful, inconvenient, or ineffective. Recent reports suggest that oral glycopyrrolate, an anticholinergic agent, may be a second-line treatment for pediatric hyperhidrosis (3,4), but there have been few studies of oral glycopyrrolate for pediatric hyperhidrosis, and optimal dosing has not been established. We present an institutional review of children with hyperhidrosis treated with oral glycopyrrolate. RESULTS We performed a retrospective analysis of the efficacy and side effects of oral glycopyrrolate used for hyperhidrosis at a single pediatric center. After Institutional Review Board approval, patients were identified for the study. Those selected were younger

DOI: 10.1111/pde.12236

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than 18, had been identified by a board-certified pediatric dermatologist, and had an International Classification of Diseases, Ninth Revision, code for hyperhidrosis. Eighteen patients were prescribed oral glycopyrrolate from July 2009 to January 2012. All 18 patients met the criteria for primary hyperhidrosis and had failed topical aluminum chloride. Thirteen of the 18 patients completed a telephone interview and questionnaire. One of these patients never filled the prescription for glycopyrrolate because of fear of side effects. Eight girls and four boys completed the telephone questionnaire (Table 1). One or more of the palms, soles, and axillae were affected in the cohort. The average age at the time of therapy commencement was 14 years (range 11–17 yrs), and the average length of therapy was 18 months (range 1 wk–42 mos). The most common dosing regimen was 1 mg/day, although this varied as families adjusted the dose based on results and side effects. Overall, 11 patients (92%) had improvement, with 4 claiming major improvement. Patients who stopped treatment had limited benefit. Seven patients noted side effects, including dry mouth (n = 6), constipation (n = 1), dizziness (n = 1), and facial swelling (n = 1). Six patients (50%) were still taking oral glycopyrrolate at the time of the interview. Nine patients (75%) would recommend glycopyrrolate to others. DISCUSSION Therapeutic options are limited for hyperhidrosis in children and adolescents. Topical aluminum chloride is considered the first-line treatment, but is limited by local irritation and low adherence. Recently oral glycopyrrolate has been suggested as a second-line treatment based on 90% improvement in a series of 31 children, but evidence remains limited. Our study suggests high efficacy of oral glycopyrrolate in children (92%), similar to the study by Paller et al (3). Only one patient claimed no improvement after taking 0.5 mg nightly for 1 week. He stopped after 1 week because of dry mouth. Because the halflife of glycopyrrolate is 7 yrs

Lifelong

Daily

Daily

Daily

Daily

Daily

Daily

Frequency of HH

14 yrs

5–8 yrs

4 yrs

Lifelong

Years

2–3 yrs

Duration of HH (years)

AlCl, failed

AlCl, failed

AlCl, failed

AlCl, failed

AlCl, failed

AlCl, failed

AlCl, failed; oxybutyninimprovement decreased with time AlCl, failed

AlCl, failed

AlCl, failed

AlCl, failed

AlCl, failed

Previous treatment of HH

11

14

15

15

14

15

13

17

14

15

11

17

No

Yes

Yes

Yes

Yes

No

Yes

No

No

Yes

No

No

Still using oral glycopyrrolate

1/2 mg qd night

1 mg bid

1 mg qd

2 mg qd morning, 1 mg qd night 1 mg bid to tid

1 mg qd

1 mg qd to bid

1 mg qd

1 mg qd

1 mg qd

1 mg qd

1 mg qd to bid

Dose regimine

HH, hyperhidrosis; AlCl, aluminum chloride; qd, daily; bid, twice a day; tid, three times a day.

M

Gender

1

Patient

Location of HH

Age started oral glyco pyrrolate (years)

TABLE 1. Patient Demographics and Hyperhidrosis Treatment Profile

0.25

36

12

42

30

3

3

36

12

36

3

6

Length of therapy (mos)

None

Major

Major

Major

Major

Minor

Minor

Minor

Minor

Minor

Minor

Minor

Improvement

None

1/2 hour

Few hours

Unsure

1 hour

Hours

1–2 hour

45 minutes

1 hour

1–2 hour

1 hour

Hours

Time to improvement

Dry mouth

Dry mouth

None

None

None

Face swelling

None

Dry mouth

Dry mouth, dizzy for sports

Dry mouth, constipation Dry mouth

None

Side effects

No

Yes

Yes

Yes

Yes

No

Yes

Yes

Yes

Yes

Yes

No

Recommend to friend

Actually recommended to his friend

Noted decrease in sweating while on seroquel for schizoaffective disorder, but increased sweating after stopping that medication; sweating through clothes

Interfering with school work and social function Oxybutynin worked at first, but then minimal improvement Increasingly socially bothersome Sweat soaks through clothing regularly, embarrassing at school Bothersome with volleyball

Concomittantly on accutane for acne

Additional information

Brief Report e29

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REFERENCES 1. Strutton DR, Kowalski JW, Glaser DA et al. US prevalence of hyperhidrosis and impact on individuals with axillary hyperhidrosis: results from a national survey. J Am Acad Dermatol 2004;51:241–248. 2. Walling HW. Primary hyperhidrosis increases the risk of cutaneous infection: a case-controlled study of 387 patients. J Am Acad Dermatol 2009;61:242–246. 3. Paller AS, Shah PR, Silverio AM et al. Oral glycopyrrolate as second-line treatment for primary pediatric hyperhidrosis. J Am Acad Dermatol 2012;67:918–923. 4. Walling HW. Systemic therapy for primary hyperhidrosis: a retrospective study of 59 patients treated with

glycopyrrolate or clonidine. J Am Acad Dermatol 2012;66:387–392. Monique G. Kumar, M.D. Rebecca S. Foreman, M.D. David R. Berk, M.D. Susan J. Bayliss, M.D. Division of Dermatology, Departments of Internal Medicine and Pediatrics, School of Medicine, Washington University and St. Louis Children’s Hospital, St. Louis, Missouri Address correspondence to Monique G. Kumar, M.D., Campus Box 8123, 4921 Parkview Place, St. Louis, MO 63110, or e-mail: [email protected].

Oral glycopyrrolate for refractory pediatric and adolescent hyperhidrosis.

Primary hyperhidrosis is a common disorder affecting children and adolescents, and it can have a significant negative psychosocial effect. Treatment f...
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