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Medication management of adhd in children versus adults

First-line treatments for ADHD in children (Figure 27.1, left) include slow-release stimulants, while immediate-release stimulants, atomoxetine, and alpha-2a agonists (guanfacine-ER, clonidine-ER) are second-line options

The classical stimulants have the largest effect sizes and greatest evidence base for ADHD efficacy

The slow-release stimulants likely lower side-effect rates, given their lower and more consistent plasma levels, and improve compliance by once-daily dosing

Third-line options include antidepressants with noradrenergic properties

Adjunctive options include atypical antipsychotics or behavioral therapy

For adults (Figure 27.1, right), first-line treatments include nonstimulants such as atomoxetine, guanfacine-ER, or perhaps off-label modafinil (Provigil), as well as slow-release stimulants

Immediate-release stimulants and noradrenergic antidepressants are second-line options

Adjunctive options may include atypical antipsychotics or drug-abuse treatments for patients with SUD

In adults, there is greater risk of stimulant abuse or diversion, which warrants often starting with nonstimulant preparations despite their lower effectiveness at times

Figure 27.1. Attention deficit hyperactivity disorder pharmacy.

Posttest self-assessment question and answer

Which of the following do not appear to have marked weight loss adverse effects when treating children with ADHD?

A. Guanfacine-ER (Intuniv)

B. Clonidine-ER (Kapvay)

C. Atomoxetine (Strattera)

D. Lisdexamfetamine (Vyvanse)

E. A and B

F. A, B, and C

G. All of the above

Answer: F

A, B, and C are considered nonstimulant-approved treatments for child and adolescent ADHD. A plus B are alpha-2a receptor agonists and C is an NRI.

Mechanistically and statistically, A, B, and C are associated with less apparent risk for abnormal weight and stature loss compared to the true stimulant medications such as lisdexamfetamine (D).

There does exist a controversy in that shorter-term studies of stimulants suggest weight and height loss, but prospective, longitudinal studies up to 10 years have most recently suggested no loss of weight or stature due to ADHD or stimulant use. Many initial studies followed biostatistics only for a few years or did not follow children into adulthood.

References

1.Stahl SM. Stahl’s Essential Psychopharmacology, 4th edn. New York, NY: Cambridge University Press, 2013.

2.Stahl SM. Stahl’s Essential Psychopharmacology: The Prescriber’s Guide, 5th edn. New York, NY: Cambridge University Press, 2014.

3.Biederman J, Wilens T, Mick E, et al. Psychoactive substance use disorders in adults with attention deficit hyperactivity disorder (ADHD): effects of ADHD and psychiatric comorbidity. Am J Psychiatry 1995; 152:1652–8.

4.Wilens T, Faraone S, Biederman J, et al. Does stimulant therapy of attention-deficit/hyperactivity disorder beget later substance abuse? A meta-analytic review of the literature. Pediatrics 2003; 111:179–85.

5.American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders, 5th edn. Washington, DC: American Psychiatric Association Press, 2013.

6.Biederman J, Spencer T, Monuteaux M, Faraone S. A naturalistic 10-year prospective study of height and weight in children with attention-deficit hyperactivity disorder grown up: sex and treatment effects. J Pediatr 2010; 157:635–40.

7.Faraone SV, Biederman J, Morley CP, Spencer TJ. Effect of stimulants on height and weight: a review of the literature. J Am Acad Child Adolesc Psychiatry 2008; 47:994–1009.

8.Swanson JM, Elliott GR, Greenhill LL, et al. Effects of stimulant medication on growth rates across 3 years in the MTA follow-up. J Am Acad Child Adolesc Psychiatry 2007; 46: 1015–27.

9.Poulton A, Cowell CT. Slowing of growth in height and weight on stimulants: a characteristic pattern. J Paediatr Child Health 2003; 39:180–5.

10.Fluoxetine. FDA Package Insert 2007, Eli Lilly Inc. http://pi.lilly.com/us/prozac.pdf. Accessed August 10, 2015.

11.Sertraline. FDA Package Insert 2014, Pfizer Inc. http://labeling.pfizer.com/ShowLabeling.aspx?id=517#page=1. Accessed August 10, 2015.

12.DeBattista DMH, Schatzberg AF, eds. Black Book of Psychotropic Dosing and Monitoring, 10th edn. New York, NY: MBL Communications, 2006.

13.Schwartz TL, Nihalani N, Jindal S, et al. Psychiatric medication induced obesity: an epidemiologic review. Obes Rev 2004; 5:115–21.

14.American Academy of Pediatrics, Committee on Quality Improvement, and Subcommittee on Attention-Deficit/Hyperactivity Disorder. Clinical practice guideline: treatment of the school-aged child with attention-deficit/hyperactivity disorder. Pediatrics 2001; 108:1033–44.

15.American Academy of Pediatrics. Diagnosis and evaluation of the child with attention-deficit/hyperactivity disorder. Pediatrics 2000; 105:1158–70.

16.Miller A, Lee S, Raina P, et al. A Review of Therapies for Attention-Deficit/Hyperactivity Disorder. Ottawa, ON: Canadian Coordinating Office for Health Technology Assessment (CCOHTA), 1998.

17.March JS, Swanson JM, Arnold LE, et al. Anxiety as a predictor and outcome variable in the multimodal treatment study of children with ADHD. J Abnorm Child Psychol 2000; 28:527–41.

18.Schelleman H, Bilker WB, Strom BL, et al. Cardiovascular events and death in children exposed and unexposed to ADHD agents. Pediatrics 2011; 127:1102–10.

19.Markowitz JS, Patrick AS. Pharmacokinetic and pharmacodynamic drug interactions in the treatment of attention-deficit hyperactivity disorder. Clin Pharmacokinet 2001; 40:753–72.

Patient file

The Case:

54-year-old with recurrent depression and “psychiatric” parkinsonism

The Question (Pharmacogenetics, Part 1):

How might psychopharmacology be delivered in the future?

The Dilemma:

Can genotyping help predict successful treatment selection

Pretest self-assessment question (answer at the end of the case)

A 54-year-old patient has depression with prominent cognitive symptoms and also has the Val/Val genotype for catechol-O-methyltransferase (COMT). Based only on this genetic result, what treatment might be preferred for this patient?

A. SSRI

B. SNRI

C. NDRI

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