| Unless otherwise stated, search terms were free text terms; exp = exploded MeSH: Medical Subject Heading (Medline medical index term); the dollar sign ($) stands for any character(s); the question mark (?) = substitute for one or no characters; ab = abstract; ti = titel; ot = original titel; pt = publication type; sh = MeSH: Medical subject heading (MEDLINE medical index term); adj = adjacency. 
I. Metformin: 
1.exp Biguanides/ 
2.(metformin$ or glucophag$ or biguanid$).ab,ti,ot. 
3.1 or 2 
II. Insulin therapy: 
4.Insulin/ad, aa, tu, th [Administration & Dosage, Analogs & Derivatives, Therapeutic Use, Therapy] 
5.(insulin$ adj6 (therap$ or treatment$ or intervention$)).ab,ti,ot. 
6.4 or 5 
III. Diabetes mellitus: 
7.exp diabetes mellitus/ 
8.diabet$.ab,ti,ot. 
9.(IDDM or NIDDM or MODY or T1DM or T2DM).ab,ti,ot. 
10.((typ$ 1 or typ$ 2) and diabet$).ab,ti,ot. 
11.((typ$ I or typ$ II) and diabet$).ab,ti,ot. 
12.insulin$ secret$ dysfunc$.ab,ti,ot. 
13.impaired glucose toleran$.ab,ti,ot. 
14.exp Glucose Intolerance/ 
15.glucose intoleran$.ab,ti,ot. 
16.exp Insulin Resistance/ 
17.insulin$ resist$.ab,ti,ot. 
18.(non insulin$ depend$ or noninsulin$ depend$ or non insulin?depend$ or 
noninsulin?depend$).ab,ti,ot. 
19.(insulin$ depend$ or insulin?depend$).ab,ti,ot. 
20.metabolic$ syndrom$.ab,ti,ot. 
21.(pluri metabolic$ syndrom$ or plurimetabolic$ syndrom$).ab,ti,ot. 
22.(late onset adj diabet$).ab,ti,ot. 
23.(maturity onset adj diabet$).ab,ti,ot. 
24.(juvenile adj diabet$).ab,ti,ot. 
25.(syndrome X and diabet$).ab,ti,ot. 
26.hyperinsulin$.ab,ti,ot. 
27.insulin sensitiv$.ab,ti,ot. 
28.or/7‐27 
29.exp diabetes insipidus/ 
30.diabet$ insipidus.ab,ti,ot. 
31.29 or 30 
32.28 not 31 
IV. RCT/CCT (sensitive search): 
Part 1: 
33.randomized controlled trial.pt. 
34.controlled clinical trial.pt. 
35.randomized controlled trials.sh. 
36.random allocation.sh. 
37.double‐blind method.sh. 
38.single‐blind method.sh. 
39.or/33‐38 
Part 2: 
40.clinical trial.pt. 
41.exp clinical trials/ 
42.(clinic$ adj25 trial$).ab,ti,ot. 
43.((singl$ or doubl$ or trebl$ or tripl$) adj (mask$ or blind$)).ab,ti,ot. 
44.placebos.sh. 
45.placebo$.ab,ti,ot. 
46.random$.ab,ti,ot. 
47.research design.sh. 
48.(latin adj square).ab,ti,ot. 
49.or/40‐48 
Part 3: 
50.comparative study.pt. 
51.exp evaluation studies/ 
52.follow‐up studies.sh. 
53.prospective studies.sh. 
54.(control$ or prospectiv$ or volunteer$).ab,ti,ot. 
55.cross‐over studies.sh. 
56.or/50‐55 
57.39 or 49 or 56 
V. Meta‐analysis: 
58.exp meta‐analysis/ 
59.exp Review Literature/ 
60.meta‐analysis.pt. 
61.review.pt. 
62.or/58‐61 
63.letter.pt. 
64.comment.pt. 
65.editorial.pt. 
66.historical‐article.pt. 
67.or/63‐66 
68.62 not 67 
69.((systematic$ or quantitativ$ or methodologic$) adj (review$ or overview$)).ab,ti,ot. 
70.meta?anal$.ab,ti,ot. 
71.(integrativ$ research review$ or research integration$).ab,ti,ot. 
72.quantitativ$ synthes$.ab,ti,ot. 
73.(pooling$ or pooled analys$ or mantel$ haenszel$).ab,ti,ot. 
74.(peto$ or der?simonian$ or fixed effect$ or random effect$).ab,ti,ot. 
75.or/69‐74 
76.68 or 75 
VI. HTA: 
77.exp Technology Assessment, Biomedical/ 
78.HTA.ab,ti,ot. 
79.(health technology adj6 assessment$).ab,ti,ot. 
80.(biomedical adj6 technology assessment$).ab,ti,ot. 
81.or/77‐80 
VII. Metformin + Insulin + Diabetes mellitus: 
82.3 and 6 and 32 
VIII. RCT/CCT + Meta‐analysis + HTA: 
83.57 or 76 or 81 
IX. VII + VIII: 
84.82 and 83 
X. Polycystic ovary syndrome (excluded): 
85.exp Polycystic Ovary Syndrome/ 
86.84 not 85 
XI. Adolescent: 
87.exp Adolescent/ 
88.exp Puberty/ 
89.(adolescent$ or pubert$).ab,ti,ot. 
90.or/87‐89 
91. 86 and 90 
92. limit 91 to animal 
93. limit 91 to human 
94. 92 not 93 
95. 91 not 94 |