Summary
Abstract
Sertraline is a selective serotonin reuptake inhibitor (SSRI) with well established antidepressant and anxiolytic activity. Results from several well designed trials show that sertraline (50 to 200 mg/day) is effective in the treatment of major depressive disorder in elderly patients (≥60 years of age). Primary endpoints in most studies included the Hamilton Depression Rating Scale (HDRS), Clinical Global Impression (CGI) score and the Montgomery-Åsberg Depression Rating Scale (MÅDRS). Sertraline was significantly more effective than placebo, and was as effective as fluoxetine, nortriptyline and imipramine in elderly patients. During one trial, amitriptyline was significantly more effective than sertraline [mean reduction from baseline on one of six primary outcomes (HDRS)], although no quantitative data were provided. Subgroup analysis of data from a randomised, double-blind trial in elderly patients with major depressive disorder suggests that vascular morbidity, diabetes mellitus or arthritis does not affect the antidepressant effect of sertraline.
Secondary endpoints from these clinical trials suggest that sertraline has significant benefits over nortriptyline in terms of quality of life. In addition, significant differences favouring sertraline in comparison with nortriptyline and fluoxetine have been recorded for a number of cognitive functioning parameters.
Sertraline is generally well tolerated in elderly patients with major depressive disorder, and lacks the marked anticholinergic effects that characterise the adverse event profiles of tricyclic antidepressants (TCAs). The most frequently reported adverse events in patients aged ≥60 years with major depressive disorder receiving sertraline 50 to 150 mg/day were dry mouth, headache, diarrhoea, nausea, insomnia, somnolence, constipation, dizziness, sweating and taste abnormalities. The tolerability profile of sertraline is generally similar in younger and elderly patients.
Sertraline has a low potential for drug interactions at the level of the cytochrome P450 enzyme system. In addition, no dosage adjustments are warranted for elderly patients solely based on age.
Conclusion: Sertraline is an effective and well tolerated antidepressant for the treatment of major depressive disorder in patients aged ≥60 years. Since elderly patients are particularly prone to the anticholinergic effects of TCAs as a class, SSRIs such as sertraline are likely to be a better choice for the treatment of major depressive disorder in this age group. In addition, sertraline may have advantages over the SSRIs paroxetine, fluoxetine and fluvoxamine in elderly patients because of the drug’s comparatively low potential for drug interactions, which is of importance in patient groups such as the elderly who are likely to receive more than one drug regimen.
Pharmacodynamic Profile
Selective serotonin reuptake inhibitors (SSRIs) such as sertraline enhance serotonergic neurotransmission by inhibiting serotonin reuptake, which putatively leads to long-lasting adaptive changes in serotonergic neurotransmission. Inhibition is selective, with in vitro data showing that the drug has minimal activity on adrenaline and dopamine uptake.
Importantly, in vitro data indicate that sertraline has negligible affinity for cholinergic, adrenergic, serotonergic, γ-aminobutyric acid (GABA) and histaminergic receptors. Probably because of this limited affinity, sertraline is not associated with the anticholinergic, cardiovascular and sedative adverse event profile associated with tricyclic antidepressants (TCAs).
Secondary outcome data from well designed clinical trials suggest that sertraline is associated with beneficial effects on cognitive functioning in patients aged ≥60 years with major depressive disorder. Significant differences favouring sertraline compared with nortriptyline have been recorded for a range of cognitive functioning parameters. In addition, patients receiving sertraline perform somewhat better on the Shopping List Task and the Digit Substitution Test than fluoxetine recipients. Sertraline appeared to have a neutral psychomotor profile in healthy volunteers aged 50 to 75 years during two randomised, double-blind, crossover studies.
Pharmacokinetic Profile
The pharmacokinetic profile of sertraline in healthy volunteers aged ≥65 years does not appear to differ markedly from that in younger volunteers (aged 18 to 45 years). Maximum plasma concentrations (Cmax) and the areas under the plasma concentration-time curve (AUC) were 0.14 mg/L and 2.6 mg • h/L for both age groups receiving sertraline 50 mg/day for 30 days. The pharmacokinetics of sertraline are linear up to doses of 200mg in healthy volunteers.
Sertraline is slowly absorbed: the time to Cmax (tmax) is about 7 hours in both younger and elderly volunteers. Although coadministration of food appears to increase exposure by about 25% and reduce tmax from 8 to 5 hours in healthy volunteers, sertraline can be taken with or without food.
Steady-state plasma concentrations of sertraline (200 mg/day) are generally achieved within about 11 days. Plasma clearance, however, appears to be ≈40% lower in elderly patients than in younger patients. Achievement of steady-state plasma concentrations therefore takes potentially longer (by 2 to 3 weeks) in elderly patients. After administration of sertraline oral concentrate 100mg, the AUC and the Cmax are 115 and 121% of those for sertraline in tablet form (100 mg). The volume of distribution of sertraline is about 20 L/kg in healthy adult volunteers and the drug is highly (98%) plasma protein bound.
Sertraline undergoes extensive first-pass metabolism by cytochrome P450 (CYP) isoenzymes to the primary metabolite N-desmethylsertraline, which is markedly less active pharmacologically. In vitro data suggest that the main CYP isoenzymes involved in the metabolism of sertraline are CYP2C19 and CYP2C9. The plasma elimination half-life of N-desmethylsertraline is between 62 to 104 hours. Less than 5% of a radiolabelled sertraline dose is detected in the urine unchanged.
Renal impairment does not seem to affect the pharmacokinetics of sertraline. In patients with mild liver impairment, however, sertraline clearance is reduced and exposure is increased by approximately 3-fold. The pharmacokinetics of sertraline have not been evaluated in patients with moderate or severe hepatic impairment.
Few clinically significant drug interactions between sertraline and other drugs have been reported. Potentially, sertraline interacts with drugs that are highly bound to plasma proteins (e.g. warfarin, digoxin), causing displacement of one of the drugs from plasma proteins. Moreover, sertraline modestly affects the pharmacokinetics of drugs that are metabolised by CYP2D6. Examples are the TCAs and some type 1C antiarrhythmics (e.g. propafenone and flecainide). In addition, sertraline has been shown to interact with cimetidine (increased systemic exposure to sertraline), diazepam (decreased clearance of diazepam) and intravenous tolbutamide (decreased clearance of tolbutamide). The clinical relevance of these interactions, however, is unknown. Drugs that have been demonstrated not to interact with sertraline are lithium, terfenadine and carbamazepine.
In comparison with other SSRIs, sertraline and citalopram have the lowest potential for drug interactions at the level of the CYP enzyme system.
Therapeutic Use
Sertraline is effective in the treatment of major depressive disorder in patients aged ≥60 years as demonstrated by five randomised, double-blind trials. Decreases of 36 to 58% from baseline (mean 21.4 to 25.1) Hamilton Depression Rating Scale (HDRS) scores have been recorded after 8 to 12 weeks of sertraline (50 to 200 mg/day) administration. In addition, the number of responders to treatment (patients with ≥50% decrease in HDRS score) ranged from 46 to 73% during these trials. Sertraline was significantly more effective than placebo in a well designed trial (published as an abstract) as assessed by HDRS (p = 0.002) and Clinical Global Impression (CGI) scales (p < 0.05, primary outcomes).
No significant differences were recorded for primary efficacy parameters when sertraline 50 to 100 mg/day was compared with the SSRI fluoxetine 20 to 40 mg/day (as assessed by HDRS). Moreover, the efficacy of sertraline 50 to 150 mg/day was similar to that of the TCAs nortriptyline 25 to 100 mg/day (as assessed by HDRS) and imipramine 150 mg/day (as assessed by MÅDRS). Amitriptyline 50 to 150 mg/day, however, was significantly more effective than sertraline 50 to 200 mg/day (as assessed by HDRS, intent-to-treat analysis) on one of six primary efficacy measures in one study, although no such difference was found when only evaluable patients were used for statistical analysis.
Interestingly, subgroup analyses of two trials suggest that sertraline is more effective than fluoxetine (p < 0.05) and nortriptyline (p < 0.01) in patients aged ≥70 years, although these results await confirmation by trials primarily designed to address this difference.
Subgroup analysis of data from a randomised, double blind trial published as an abstract, suggests that medical comorbidity (vascular morbidity, diabetes mellitus or arthritis) does not affect the antidepressant effects of sertraline in elderly patients with major depressive disorder.
Secondary endpoints from well designed trials have revealed significant differences in favour of sertraline in comparison with nortriptyline on several quality-of-life parameters. No significant differences were found for quality of life when sertraline was compared with fluoxetine.
Data from a small (n = 22), but well designed trial in patients with major depressive disorder and comorbid Alzheimer’s disease suggest that sertraline 25 to 150 mg/day is superior to placebo. Significant differences (p < 0.05) in favour of sertraline were recorded on the Cornell Scale for Depression in Dementia and HDRS after 12 weeks of treatment.
Tolerability
Sertraline is generally well tolerated by elderly patients with major depressive disorder. The most frequently reported adverse events in patients aged ≥60 years with major depressive disorder receiving sertraline 50 to 100 mg/day were dry mouth (41% of patients), headache (34%), diarrhoea (22%), nausea (24%), insomnia (20%), somnolence (5%), constipation (15%), dizziness (9%), sweating (13%) and taste abnormalities (4%). These events occurred at a similar frequency to those with nortriptyline 25 to 150 mg/day, with the exception of dry mouth and constipation (anticholinergic adverse events), which occurred in sertraline recipients with and incidence of a half to a third of that in those receiving nortriptyline and amitriptyline 50 to 150 mg/day (p < 0.05). Nausea, however, occurred significantly more often in sertraline recipients than in patients receiving either nortriptyline or amitriptyline during these trials. The tolerability of sertraline 50 to 100 mg/day was generally similar to that of fluoxetine 20 to 40 mg/day during a randomised, double-blind trial in patients aged ≥60 years.
The adverse event profile of sertraline is generally similar for elderly and younger patients. Sertraline (like other SSRIs) has in several cases been associated with clinically significant hyponatraemia, which mainly occurred in elderly patients.
In comparison with TCAs, SSRIs like sertraline are less harmful in overdose. The most common signs and symptoms associated with sertraline overdose (nonfatal) are somnolence, vomiting, tachycardia, nausea, dizziness, agitation and tremor.
SSRIs are commonly associated with sexual dysfunction; ejaculation failure was reported by 14% of men receiving sertraline and decreased libido was reported by 6% of male and female sertraline recipients during placebo controlled trials.
Dosage and Administration
In the US, sertraline is indicated for the treatment of patients with major depressive disorder, obsessive compulsive disorder, panic disorder and post-traumatic stress disorder. For the treatment of adult patients with major depressive disorder, a daily dosage of 50mg is recommended, taken with or without food. Nonetheless, dosages up to 200 mg/day have been administered during clinical trials in elderly patients with major depressive disorder. In contrast to paroxetine and citalopram, no dosage adjustments are required when sertraline is given to elderly patients. It is generally agreed that major depressive disorder requires maintenance therapy for several months or longer after an acute episode. Patients should be periodically reassessed to determine the need for maintenance treatment with sertraline.
The effects of sertraline in patients with moderate and severe hepatic impairment have not been studied; a lower or less frequent dosage should be used when sertraline is administered to these patients. No dosage adjustments are required for patients with impaired renal function.
Sertraline should not be administered to patients receiving monoamine oxidase inhibitors (MAOIs) because of serious and sometimes fatal drug interactions. When patients are switched from sertraline to a MAOI or vice versa, at least 14 days should be allowed between the discontinuation of one drug and initiation of the next. In addition, the oral concentrate of sertraline should not be administered to patients concomitantly receiving disulfiram because of the alcohol content of the solution.
Similar content being viewed by others
References
Solai LK, Mulsant BH, Pollock BG. Selective serotonin reuptake inhibitors for late-life depression: a comparative review. Drugs Aging 2001; 18(5): 355–68
Koenig HG, George LK, Meador KG. Use of antidepressants by nonpsychiatrists in the treatment of medically ill hospitalized depressed elderly patients. Am J Psychiatry 1997 Oct; 154(10): 1369–75
Yesavage JA. Depression in the elderly. How to recognize masked symptoms and choose appropriate therapy. Postgrad Med 1992; 91(1): 255–8
Patel RM, Grossberg GT. The use of selective serotonin reuptake inhibitors in geriatric depression: a review of the literature. Rev Clin Gerontol 1995; 5(4): 442–55
Whooley MA, Simon GE. Managing depression in medical outpatients. N Engl J Med 2000 Dec 28; 343(26): 1942–50
Patel RM. Clinical comparison of selective serotonin reuptake inhibitors in the treatment of geriatric depression: a review of literature. Rev Clin Gerontol 2000; 10(4): 349–73
Montano CB. Primary care issues related to the treatment of depression in elderly patients. J Clin Psychiatry 1999; 60Suppl. 20: 45–51
Friedhoff AJ, et al. Diagnosis and treatment of depression in late life: the NIH Consensus Development Conference Statement. Psychopharmacol Bull 1993; 29(1): 87–100
Murdoch D, McTavish D. Sertraline. A review of its pharmacodynamic and pharmacokinetic properties, and therapeutic potential in depression and obsessive- compulsive disorder. Drugs 1992 Oct; 44(4): 604–24
MacQueen G, Born L, Steiner M. The selective serotonin reuptake inhibitor sertraline: its profile and use in psychiatric disorders. CNS Drug Rev 2001 Spring; 7(1): 1–24
Perry CM, Benfield P. Sertraline: An overview of its pharmacological properties and a review of its therapeutic efficacy in obsessive-compulsive disorder. CNS Drugs 1997; 7(6): 480–500
Pfizer US. Zoloft (sertraline) full prescibing information. Available at www.zoloft.com [Accessed Jan 2002]
Agnel M, Esnaud H, Langer SZ, et al. Pharmacological characterization of the cloned human 5- hydroxytryptamine transporter. Biochem Pharmacol 1996 May 3; 51(9): 1145–51
Tatsumi M, Groshan K, Blakely RD, et al. Pharmacological profile of antidepressants and related compounds at human monoamine transporters. Eur J Pharmacol 1997 Dec 11; 340(2–3): 249–58
DeVane CL. Differential pharmacology of newer antidepressants. J Clin Psychiatry 1998; 59Suppl. 20: 85–93
Nutt DJ, Forshall S, Bell C, et al. Mechanisms of action of selective serotonin reuptake inhibitors in the treatment of psychiatric disorders. Eur Neuropsychopharmacol 1999 Jul; 9Suppl. 3: 81–6
Lane RM, O’Hanlon JF. Cognitive and psychomotor effects of antidepressants with emphasis on selective serotonin reuptake inhibitors and the depressed elderly patient. Ger J Psych 1999; 2(1): 1–28
Casacchia M, Pollice R, Matteucci M, et al. Brain serotonin and the mechanism of action of selective serotonin re-uptake inhibitors (SSRI). Archives of Gerontology & Geriatrics 1998; 27Suppl. 6: 65–70
Schloss P, Williams DC. The serotonin transporter: a primary target for antidepressant drugs. J Psychopharmacol 1998; 12(2): 115–21
Owens MJ, Knight DL, Nemeroff CB. Second-generation SSRIs: human monoamine transporter binding profile of escitalopram and R-fluoxetine. Biol Psychiatry 2001 Sep 1; 50(5): 345–50
Bondareff W, Alpert M, Friedhoff AJ, et al. Comparison of sertraline and nortriptyline in the treatment of major depressive disorder in late life. Am J Psychiatry 2000 May; 157(5): 729–36
Newhouse PA, Krishnan KRR, Doraiswamy PM, et al. A double-blind comparison of sertraline andfluoxetine in depressed elderly outpatients. J Clin Psychiatry 2000 Aug; 61(8): 559–68
Hindmarch I, Shillingford J, Shillingford C. The effects of sertraline on psychomotor performance in elderly volunteers. J Clin Psychiatry 1990 Dec; 51Suppl. B (12): 34–6
Mattila MJ, Saarialho-Kere U, Mattila M. Acute effects of sertraline, amitriptyline, and placebo on the psychomotor performance of healthy subjects over 50 years of age. J Clin Psychiatry 1988 Aug; 49Suppl. 8: 52–8
Baumann P. Care of depression in the elderly: comparative pharmacokinetics of SSRIs. Int Clin Psychopharmacol 1998 Sep; 13Suppl. 5: S35–43
Ronfeld RA, Tremaine LM, Wilner KD. Pharmacokinetics of sertraline and its N-demethyl metabolite in elderly and young male and female volunteers. Clin Pharmacokinet 1997; 32Suppl. 1: 22–30
Forest Pharmaceuticals. Celexa (citalopram) full prescribing information (US) available at http://www.celexa.com [Accessed Feb 2002]
GlaxoSmithKline. Paxil (paroxetine) full prescribing information (US) available at http://www.gsk.com [Accessed Feb 2002]
Ronfeld RA, Wilner KD, Baris BA. Sertraline: Chronopharmacokinetics and the effect of coadministration with food. Clin Pharmacokinet 1997; 32Suppl. 1: 50–5
Catterson ML, Preskorn SH. Pharmacokinetics of selective serotonin reuptake inhibitors: clinical relevance. Pharmacol Toxicol 1996 Apr; 78(4): 203–8
Warrington SJ. Clinical implications of the pharmacology of sertraline. Int Clin Psychopharmacol 1991 Dec; 6Suppl. 2: 11–21
van Harten J. Clinical pharmacokinetics of selective serotonin reuptake inhibitors. Clin Pharmacokinet 1993 Mar; 24(3): 203–20
Xu Z-H, Wang W, Zhao X-J, et al. Evidence for involvement of polymorphic CYP2C19 and 2C9 in the N- demethylation of sertraline in human liver microsomes. Br J Clin Pharmacol 1999 Sep; 48(3): 416–23
Demolis J-L, Angebaud P, Grange J-D, et al. Influence of liver cirrhosis on sertraline pharmacokinetics. Br J Clin Pharmacol 1996 Sep; 42(3): 394–7
Preskorn SH. Clinically relevant pharmacology of selective serotonin reuptake inhibitors. an overview with emphasis on pharmacokinetics and effects on oxidative drug metabolism. Clin Pharmacokinet 1997; 32Suppl. 1: 1–21
Preskorn SH. Outpatient management of depression. A guide for the practioner (available on www.preskorn.com/books, assessed May 2002). 2 ed. Caddo, OK: Professional Communications Inc., 1999
Eli Lilly. Prozac (fluoxetine) full prescribing information (US) available at http://www.lilly.com [Accessed Feb 2002]
Solvay Pharmaceuticals. Luvox (Fluvoxamine) full prescribing information (US). 2001
Schneider LS, Clary CM, Finkel SI, et al. Sertraline in the treatment of elderly depression: results of a large, multicenter, placebo-controlled trial [abstract/poster] 2000 Annual Meeting. American Psychiatric Association 2000 May 13, 134–5
Cohn CK, Shrivastava R, Mendels J, et al. Double-blind, multicenter comparison of sertraline and amitriptyline in elderly depressed patients. J Clin Psychiatry 1990 Dec; 51Suppl. B (12): 28–33
Forlenza OV, Almeida OP, Stoppe Jr. A, et al. Antidepressant efficacy and safety of low-dose sertraline and standard- dose imipramine for the treatment of depression in older adults: results from a double-blind, randomized, controlled clinical trial. Int Psychogeriatr 2001 Mar; 13(1): 75–84
Lyketsos CG, Sheppard J-ME, Steele CD, et al. Randomized, placebo-controlled, double-blind clinical trial of sertraline in the treatment of depression complicating Alzheimer’s disease: initial results from the Depression in Alzheimer’s Disease study. Am J Psychiatry 2000 Oct; 157(10): 1686–9
Finkel SI, Richter EM, Clary CM, et al. Comparative efficacy of sertraline vs. fluoxetine in patients age 70 or over with major depression. Am J Geriatr Psychiatry 1999 Summer; 7(3): 221–7
Finkel SI, Richter EM, Clary CM. Comparative efficacy and safety of sertraline versus nortriptyline in major depression in patients 70 and older. Int Psychogeriatr 1999 Mar; 11(1): 85–99
Sheikh J, Doraiswamy P, Clary C., et al. Late-life depression and medical comorbidity: implications for treatment response. Int Psychogeriatr 2001; 13Suppl. 2: 180S
Sheikh J, Doraiswamy P, Clary C., et al. Therapeutic response to sertraline in medically depressed elderly [poster P-124]. Tenth Congress of the International Psychogeriatric Association, Sept. 9–14, Nice, France 2001
Taylor IC, McConnell JG. Severe hyponatraemia associated with selective serotonin reuptake inhibitors. Scott Med J 1995 Oct; 40(5): 147–8
Kirby D, Ames D. Hyponatraemia and selective serotonin reuptake inhibitors in elderly patients. Int J Geriatr Psychiatry 2001; 16(5): 484–93
Bradley ME, Foote EF, Lee EN, et al. Sertraline-associated syndrome of inappropriate antidiuretic hormone: case report and review of the literature. Pharmacotherapy 1996; 16(4): 680–3
Barbey JT, Roose SP. SSRI safety in overdose. J Clin Psychiatry 1998; 59Suppl. 15: 42–8
Veterans Health Administration. Practice guideline for the management of major depressive disorder in adults. 2000
Leonard BE. Pharmacological differences of serotonin reuptake inhibitors and possible clinical relevance. Drugs 1992; 43Suppl. 2: 3–9; discussion 9-10
American Psychiatric Association. Practice guidelines for the treatment of patients with major depressive disorder (revision). Am J Psychiatry 2000; 157(4): 1–45
University of Michigan Health System. Guidelines for Clinical Care — Depression; available at: http://cme.med.umich.edu/pdf/guideline/depression.pdf 1998, 14
Nelson JC. Diagnosing and treating depression in the elderly. J Clin Psychiatry 2001; 62Suppl. 24: 18–22
Skerritt U, Evans R, Montgomery SA. Selective serotonin reuptake inhibitors in older patients: A tolerability perspective. Drugs Aging 1997; 10(3): 209–18
Newhouse PA. Use of serotonin selective reuptake inhibitors in geriatric depression. J Clin Psychiatry 1996; 57Suppl. 5: 12–22
Salzman C. Practical considerations for the treatment of depression in elderly and very elderly long-term care patients. J Clin Psychiatry 1999; 60Suppl. 20: 30–3
Gerson S, Belin TR, Kaufman A, et al. Pharmacological and psychological treatments for depressed older patients: A meta-analysis and overview of recent findings. Harv Rev Psychiatry 1999; 7(1): 1–28
Anderson IM. Meta-analytical studies on new antidepressants. Br Med Bull 2001; 57: 161–78
Masand PS, Gupta S. Selective serotonin-reuptake inhibitors: an update. Harv Rev Psychiatry 1999; 7(2): 69–84
Lebowitz BD, Pearson JL, Schneider LS, et al. Diagnosis and treatment of depression in late life: consensus statement update. JAMA 1997 Oct; 278(14): 1186–90
Christensen DD. Rational antidepressant selection in the elderly. Geriatrics 1995; 50Suppl. 1: S41–50
Goodnick PJ, Goldstein BJ. Selective serotonin reuptake inhibitors in affective disorders-I. Basic pharmacology. J Psychopharmacol 1998; 12Suppl. B (3): S5–20
Sproule BA, Naranjo CA, Brenmer KE, et al. Selective serotonin reuptake inhibitors and CNS drug interactions. A critical review of the evidence. Clin Pharmacokinet 1997 Dec; 33(6): 454–71
Edwards JG, Anderson I. Systematic review and guide to selection of selective serotonin reuptake inhibitors. Drugs 1999 Dec; 57(4): 507–33
Tourigny-Rivard M-F. Pharmacotherapy of affective disorders in old age. Can J Psychiatry 1997 Jun; 42Suppl. 1: 10S–8S
Cadieux RJ. Antidepressant drug interactions in the elderly: Understanding the P-450 system is half the battle in reducing risks. Postgrad Med 1999 Nov; 106(6): 231–49
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Muijsers, R.B.R., Plosker, G.L. & Noble, S. Sertraline. Drugs Aging 19, 377–392 (2002). https://doi.org/10.2165/00002512-200219050-00006
Published:
Issue Date:
DOI: https://doi.org/10.2165/00002512-200219050-00006