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Table 2 Studies included in the systematic review (n = 31) [11, 12, 15,16,17,18, 29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53]

From: Real-world adherence to, and persistence with, once- and twice-daily oral disease-modifying drugs in patients with multiple sclerosis: a systematic review and meta-analysis

Reference

Study design

Geographical area

Sample size for oral DMD(s) studied

Study population

Outcomes evaluated

Agashivala N, et al. BMC Neurol. 2013;13:138

Retrospective administrative claims database evaluation

USA

Fingolimod (n = 248)

Patients with MS

Mean MPR and PDC; MPR ≥80%; PDC ≥80%; discontinuation rate

mean age 46.4 (10.7) years;

79.0% female;

Al-Hashel J, et al. CNS Drugs. 2014;28:817–824a

Retrospective evaluation of patient MS registry

Kuwait

Fingolimod (n = 175)

Patients with RRMS

% discontinuation

mean age 33.3 ± 9.2 years;

75.4% female

Bergvall N, et al. J Med Econ. 2014;17:696–707

Retrospective administrative claims database evaluation

USA

Fingolimod (n = 889)

889 patients (age range NS) with MS initiating fingolimod

MPR ≥80%; PDC ≥80%; discontinuation rate

Braune S, et al. J Neurol. 2016;263:327–333

Prospective, observational, multi-center cohort study

Germany

Fingolimod (n = 99)

Patients with RRMS (age range NS) with failure of earlier therapy with injectable DMT initiating fingolimod

Discontinuation rate

Burks J, et al. Clinicoecon Outcomes Res. 2017;9:251–260

Retrospective administrative claims database study

USA

N = 1018

Patients with MS (aged 18–65 years) initiating an oral DMD

Mean PDC; proportion of patients with PDC ≥80%; discontinuation rate

Teriflunomide, fingolimod, DMF

mean age 44.41 (10.52); 72.1% female

Eriksson I, et al. Eur J Clin Pharmacol. 2018;74:219–226

Prospective cohort which includes retrospective claims and other health-related data analysis

Stockholm county, Sweden

DMF (n = 400)

400 patients with RRMS (age range NS) initiating DMF

Discontinuation rate

Mean age ranged from 35.3–40.5 years

61% previously treated.

Ernst FR, et al. Curr Med Res Opin. 2017;33:2099-2106a

Retrospective medical chart review

USA

DMF (n = 307)

307 patients (aged ≥18 years) with RRMS initiating DMF

Discontinuation rate

Mean age 46.6 ± 11.8 years;

77.9% female;

Ferraro D, et al. Curr Med Res Opin. 2018;34:1803–1807

Prospective observational cohort study

Italy

N = 258

Patients with RRMS (age range NS) initiating oral DMD

Discontinuation rate

Teriflunomide, DMF

mean age 43 years,

29.8% female

Frisell T, et al. Mult Scler. 2016;22:85–93

Prospective, observational, multi-center cohort study

Sweden

Fingolimod (n = 876)

Patients with RRMS initiating fingolimod tx

Discontinuation rate

mean (SD) age 38 (10) years;

67% females

Gerber B, et al. Mult Scler Relat Disord. 2017;18:218–224

Retrospective administrative database evaluation

Alberta, Canada

N = 72

72 patients with MS (aged < 35–≥65 years) initiating an oral DMD

MPR ≥80%; discontinuation rate

Fingolimod, teriflunomide, DMF

61.7% aged 35–55 years;

73.8% female

Granqvist M, et al. JAMA Neurol. 2018;75:320–327

Retrospective medical chart review from MS registry

Sweden

N = 103

Patients with RRMS initiating DMD tx

Discontinuation rate

DMF (n = 86), fingolimod (n = 17)

The median (interquartile) age 34.4 (27.4–43.4) years;

68% female

He A, et al. JAMA Neurol. 2015;72:405–413

Matched retrospective analysis of data collected prospectively from an international, observational cohort study

International

Fingolimod (n = 148)

Patients with MS (age range NS) switching to fingolimod tx

Discontinuation rate

Hersh CM, et al. Int J Neurosci. 2015;125:678–685a

Retrospective, single-center medical chart review

Cleveland, OH, USA

Fingolimod (n = 306)

Patients with MS (age range NS) initiating fingolimod

Discontinuation rate

3.5% treatment naïve and 24.0% had remote DMT use prior to fingolimod

Hersh CM, et al. Mult Scler J Exp Transl Clin. 2017;3:2055217317715485a

Retrospective, single-center medical chart review

Cleveland, OH, USA

Fingolimod (n = 264), DMF (n = 396)

Patients with MS (age range NS) being treated with DMD for ≥1 year

Discontinuation rate

Hersh CM, et al. Mult Scler Relat Disord. 2016;10:44–52

Retrospective, single-center medical chart review

Cleveland, USA

Fingolimod (n = 317), DMF (n = 458)

Patients with MS initiating DMD tx

Discontinuation rate

mean age DMF 47.1 ± 11.2 years fingolimod 43.9 ± 9.2 years;

RRMS DMF 73.5% fingolimod 81.7%

Hua LH, et al. Mult Scler. 2018;1352458518765656a

Retrospective medical chart review

Cleveland, OH; Las Vegas, NV; Weston, FL, USA

Fingolimod (n = 10), DMF (n = 74), teriflunomide (n = 40)

Patients (aged over 60 years) with MS on DMD for ≥2 years

Discontinuation rate

Johnson KM, et al. J Manag Care Spec Pharm. 2017;23:844–852

Retrospective administrative claims database evaluation

USA

Fingolimod (n = 195), DMF (n = 1160), teriflunomide (n = 143)

Patients with MS (aged ≥18 years) initiating DMD tx

MPR, MPR ≥80%, mean PDC, PDC ≥80%, discontinuation rate

Mean age range 44.4–53.2 years; 75.5–83.6% female

Lanzillo R, et al. J Neurol. 2018;265:1174–1183

Retrospective medical chart review

Italy

N = 1312

Patients with RRMS (age range NS) initiating oral DMD

Discontinuation rate

Teriflunomide, DMF

mean age 40.0 (11.2) year

Lapierre Y, et al. Can J Neurol Sci. 2016;43:278–283a

Prospective, observational, multi-center cohort study

Canada

Fingolimod (n = 2399)

Patients with RRMS (age range NS) receiving fingolimod and participating in an education and support program

Discontinuation rate

Mean age was 41.2 years (range 18–75.5); 75.2% were female.

Lattanzi S, et al. J Neurol. 2017;264:2325–2329

Retrospective medical chart review

Italy

Fingolimod (n = 129), teriflunomide (n = 64), DMF (n = 114)

Patients with RRMS;

Discontinuation rate

mean age was 41.2 (10.3) years, 66.5% female

Longbrake EE, et al. Mult Scler J Exp Transl Clin. 2016;2a

Retrospective, single-center medical chart review

USA

Teriflunomide (n = 83), fingolimod (n = 92), DMF (n = 254)

Patients (age range NS) with relapsing forms of MS initiating oral DMD tx

Discontinuation rate

mean age 39.8–49.4 years; 72.0–81.9% female

Munsell M, et al. Patient Prefer Adherence. 2016;11:55–62

Retrospective administrative claims database evaluation

USA

N = 1175

Patients with MS (aged 18–64 years) initiating an oral DMD; mean age 44.9 years; 76.2% female

Mean MPR; proportion of patients with MPR ≥80%; discontinuation rate

Teriflunomide, fingolimod, DMF

Nazareth T, et al. BMC Neurol. 2016;16:187

Retrospective medical chart review

USA

Teriflunomide (n = 31), fingolimod (n = 55), DMF (n = 65)

Patients with MS (aged ≥18 years) initiating DMF;

Discontinuation rate

Age range (mean ± SD); 44.2 ± 10.7 to 50.6 ± 9.6 years.

Ontaneda D, et al. J Neurol Sci. 2012;323:167–172a

Retrospective, single-center medical chart review

Cleveland, OH, USA

Fingolimod (n = 317)

Patients with MS (age group NS) prescribed fingolimod

Discontinuation rate

Smoot K, et al. Mult Scler. 2017;1,352,458,517,709,956

Prospective registry at a single site

Oregon, USA

DMF (n = 417)

Patients (aged ≥18 years) with RMS initiating DMF tx;

Discontinuation rate

mean age 49.4 ± 12.0 years

Vollmer B, et al. Mult Scler J Exp Transl Clin. 2017;3:2055217317725102

Retrospective, single-center medical chart review

Colorado, USA

Fingolimod (n = 271), DMF (n = 342)

Patients with MS (age range NS) initiating DMD tx;

Discontinuation rate

mean age range 42.5–45.8 years;

69.6–72.0% female

Warrender-Sparkes M, et al. Mult Scler. 2016;22:520–532a

Prospective, observational multi-center cohort study

International

Fingolimod (n = 426)

Patients with CIS or early RRMS (age range NS) initiating fingolimod tx

Discontinuation rate

Wicks P, et al. BMC Res Notes. 2016;9:434a

Online community patient survey

USA

Fingolimod (n = 93), DMF (n = 188)

Patients (aged ≥18 years) with RRMS with current or past experience of fingolimod or DMF tx

Discontinuation rate

mean age 46.2–51.8 years; % female 77.0–93.8%;

Williams MJ, et al. Curr Med Res Opin. 2018;34:107–115

Retrospective administrative claims database evaluation

USA

DMF (n = 133)

Patients (aged ≥18 years) with MS initiating DMD tx

Mean MPR; MPR ≥80%; mean PDC; PDC ≥80%; discontinuation rate

Zhovtis Ryerson L, et al. Ther Adv Neurol Disord. 2016;9(6):454–461

Retrospective medical chart review in 2 tertiary MS clinics

New York/New Jersey, USA

DMF (n = 382)b

Patients (aged ≥18 years) with RRMS initiating DMF

Discontinuation rate

range across subgroups: mean age 42.5–47.4 years, 71–83% female

Zimmer A, et al. Patient Prefer Adherence. 2017;11:1815–1830a

Prospective, observational, single-center cohort study

Basel, Switzerland

Fingolimod (n = 98)

Patients with relapsing MS (aged ≥18 years) initiating fingolimod;

Discontinuation rate; % nonadherent (pill count)

80% female

  1. Note: a Study excluded from the meta-analysis
  2. Dosage: DMF 120 mg PO BID for initial 7 days, increase to 240 mg PO BID; fingolimod 0.5 mg PO QD; teriflunomide 7 mg or 14 mg PO QD
  3. Abbreviations:BID twice a day, CIS clinically isolated syndrome, DMD disease-modifying drug, DMF dimethyl fumarate, MPR medication possession ratio, MS multiple sclerosis, NS not specified, PO oral administration, PDC proportion of days covered, QD once a day, RRMS relapsing-remitting MS, tx therapy