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. 2019 May 15;27(1):423–431. doi: 10.1007/s40199-019-00266-3

Table 2.

Systematic review of the randomized studies regarding the neonatal abstinence syndrome

Author, year Study design No. of patients (Int. /Cont.) Type of Opioid exposure in uterus Intervention Control Drop out (%) (Int. /Cont.) Assessment tool Primary outcome Results
Davis, 2018 [6] Multi centric, randomized, double-blind, clinical trial 59/59 Buprenorphine/Methadone/opioids for pain decreasing in pregnancy methadone Morphine 1.7/0 Finnegan LOS methadone was associated with decreased mean number of days for LOS by 14% (P = .046)
Kraft, 2017 [7] single-site, randomized, double-blind, clinical trial 33/30 Methadone/ buprenorphine sublingual buprenorphine oral morphine 9/6.7

MOTHER

NAS scale

Median length of treatment shorter duration in Int. group vs. Cont. group [15 d vs. 28 d(p < 0.001)]
Nayeri, 2015 [8] Multi centric randomized, open-label, clinical trial 30/30 Opium/heroin/methadone/cocaine/methamphetamine Phenobarbital Oral Morphine 0/0 Finnegan Mean length of treatment Non Sig. difference for the duration of treatment between Int. group (8.5 ± 4 d) vs. Cont. (8.5 ± 5 d) (P = 0.9)
Bada, 2015 [1] randomized, double-blind clinical trial 15/16 Methadone, Buprenorphine, Oxycodone, hydrocodone Benzodiazepines morphine clonidine 0/0 Finnegan Median length of Treatment Longer duration of treatment in Int. group (39 d) Vs. Cont. (28 d) (p = 0.02)
Brown, 2014 [9] single-site, randomized, double-blind clinical trial 15/16 Methadone/ buprenorphine methadone morphine 0/0 modified Finnegan Median length of opioid treatment shorter duration in Int. group vs. Cont. group [14 d vs. 21 d (p = 0.008)]
Surran, 2013 [10] single site, open-label, randomized clinical trial 34/34 Methadone/ Buprenorphine/ Oxycodone Clonidine+ morphine Phenobarbital +morphine 6/0 Modified Finnegan Median length of morphine treatment Longer duration of treatment in clonidine Vs. Phenobarbital group [18.2 d Vs. 13.6 d, p = 0.037)]
Kraft, 2011 [11] single site, open-label, Randomized, clinical trial 12/12 Buprenorphine/ Methadone Sublingual buprenorphine Morphine 0/0 MOTHER NAS score Mean length of treatment shorter duration in Int. group vs. Cont. group [23 ± 12 d vs. 38 ± 14 d, (p = 0.01)]
Agthe, 2009 [2] Multi centric, double-blind, randomized, clinical trial 40/40

Methadone/ Heroin/

Cocaine

oral clonidine/ DTO* placebo/DTO* 0/0 modified Finnegan median length of treatment shorter duration in Int. group vs. Cont. group [11 d vs. 15 d (p = 0.02)]
Kraft, 2008 [12] open-label, randomized, clinical trial 13/13 opioids sublingual buprenorphine Opium solution 8/0 modified Finnegan safety, tolerability, Length of treatment (22d Vs. 32d), length of stay (27d Vs. 38d) were not significantly different
Langenfeld, 2005 [13] Randomized double-blind clinical trial 16/17 Morphine/ Methadone tincture of opium Morphine 0/0 Finnegan

1.Length of treatment

2.total dose of tincture of opium needed

Length of treatment wasn’t different significantly (26.9 d Vs.29.8 d)
Coyle, 2005 [14] partially Randomized, clinical trial 17/15 methadone phenobarbital/ DTO* placebo/ DTO* 0/0 Finnegan

infant neurobehaviour during the first three weeks of life.

LOS

improved orientation, quality of movement,

lower total stress/ abstinence score

(p < 0.05)

Shorter duration in Int. group Vs. control [39.6 ± 25 d Vs. 69.8 ± 31 d

(p < 0.01)]

Jackson, 2004 [15] Double blind, randomized clinical trial 41/34 opioids morphine phenobarbital 0/0 Lipsitz Median length of treatment Shorter duration in Int. group Vs. control [8 d vs. 12 d (p = 0.02)]
Coyle 2002, [16] partially randomized, clinical trial 10/10 Methadone/ heroin Phenobarbital/ DTO* Placebo/ DTO* 0/0 Finnegan duration of hospitalization Shorter duration in Int. group Vs. control [38 d vs. 79 d (P < 0 .001)]

LOS length of stay, Int. Intervention, Cont. Control, vs. versus, d day, DTO Diluted tincture of opium

*DTO: 0.4 mg/mL morphine