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Tip 2 Diyabette Erken İnsülin Tedavisi ve Bazal Insulin
Dr.Hasan İlkova İstanbul Üniversitesi
Cerrahpaşa Tıp Fakültesi Endokrinoloji Metabolizma ve Diyabet Bilim Dalı
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Holman RR. Diabetes Res Clin Pract 40 (Suppl l):S21-S25; 1998
Yıllar
ß-Cell Fonksiyonu
(%)
Beta hücre fonksiyonu
-12 -10 -8 -6 -4 -2 0 2 4 6 0
20
40
60
80
100
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T2DM - Beta Hücre Dekompansasyonu Evreleri
100100
Beta
hü
cre
fo
nks
iyo
nu
(%
)B
eta
hü
cre
fo
nks
iyo
nu
(%
)
YılYıl
Postprandial
Hiperglisemi
Postprandial
HiperglisemiTip-2 DM
Faz I
Tip-2 DM
Faz I Tip-2 DM
Faz II
Tip-2 DM
Faz II Tip-2 DM
Faz III
Tip-2 DM
Faz III
-12-12 -10-10 -6-6 00 22 66 1010 2020
Tip 2 Diabetes Mellitus’un EvreleriTip 2 Diabetes Mellitus’un Evreleri
Bozulmuş
Glukoz
Toleransı
Bozulmuş
Glukoz
Toleransı
Bozulmuş
Açlık
Glukozu
Bozulmuş
Açlık
Glukozu
İNSÜLİN EKSİKLİĞİİNSÜLİN EKSİKLİĞİ
TanıTanı
1414-2-2
İnsülin direncine adaptasyon
1. Beta hücre hipertrofisi
2. Beta hücre hiperplazisi
3. Glikoza insülin yanıtı değişmesi
4. Glikozla oluşan insülin sekresyonunun
normal veya artmış olması
Dekompansasyon: Hiperglisemi
1. Glikoza insülin yanıtının kaybolması
2. Arginine yanıtın normal olması
3. İnsülin depoları normal
4. Erken dönem beta hücre farklılaşması
a. Gen ekspresyonu azalması (GLUT-2, GK,
mGADPH, PK, VDCC, IP3R-II ve
transkripsiyon faktörleri)
b. LDH, HK, G-6-P ve c-myc gen
transkripsiyonu artışı
Dekompansasyon: Ciddi Hiperglisemi
1. Glikoza bağlı insülin sekresyonunun kaybolması
2. Arginine yanıtın kaybolması
3. Proinsülin/insülin oranının artışı
4. Degranülasyon (insülin deposu azalması)
5. İleri derecede beta hücre farklılaşması
a. Gen ekspresyonu azalması (İnsülin, IAPP,
Kir6.2, SERCA2B ve transkripsiyon faktör
Beta2)
b. G-6-P, 12- lipoksigenaz, FA sentaz ve
transkripsiyon faktör C/EBP artışı
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tered expression/act ivity of other genes important for glucose-
st imulated insulin secret ion. Among them, the most sensit ive
to chronic hyperglycemia in Px islets were GLUT2, glucoki-
nase, mGPDH, pyruvate carboxylase, VDCC 1D, and SERCA3.
Their mRNA levels were all progressively reduced down to
40–60% of sham values in the presence of increasing levels of
hyperglycemia, in parallel with the most sensit ive t ranscr ip-
t ion factors. In cont rast , two genes weakly expressed in normal
islets, hk I and ldh-A, increased up to 5-fold with increasing
glycemia. From our results, we est imate that the rat ios glu-
cokinase/HK I and mGPDH/LDH are reduced to 25–50% of
sham in LPx and MPx islets and down to 10–20% in HPx and
SPx islets. These global alterat ions observed in Px islets could
alter the preferent ial st imulat ion of oxidat ive metabolism by
glucose and thus adversely influence glucose-st imulated insu-
l in secret ion (34–40). This conclusion relies on the premise
that the changes in mRNA levels correspond to changes in
protein levels and funct ion; it is suppor ted by parallel changes
in mRNA and protein levels of LDH-A, PDX-1, and Nkx6.1.
This concordance may not be ver ified for all genes, e.g. glucoki-
nase enzymat ic act ivity versus mRNA/protein levels (7, 41, 42).
FIG. 6. Time course and reversibility of changes in islet geneexpression after 90% partial pancreatectomy. After 2 weeks, Pxrats were classified according to their averaged 1- and 2-week bloodglucose levels in moderately hyperglycemic (M 160 mg/dl) and se-verely hyperglycemic (Px 160 mg/dl). Severely hyperglycemic ratswere then divided in 3 groups. The first one was sacr ificed 2 weeks afterPx, and the other two were randomly assigned to phlor izin treatment(PxP) or no treatment (Px) for the next 2 weeks. Half of sham (S)received vehicle alone (SV). Values are means S.E. for the indicatednumber of animals. * , p 0.05; ** , p 0.01 versus sham (sacr ificed onthe same day), by test of Dunnett after one-way ANOVA. # #, p 0.01;# # #, p 0.001 versus nontreated SPx rats by test of Newman-Keulsafter one-way ANOVA.
FIG. 7. Effect of 2-week normalization of blood glucose byphlor izin treatment on changes in islet gene mRNA levels after90% Px. The different internal control genes used are highlighted ini tal ics. The results were obtained 4 weeks after Px with islets from arepresentat ive sham (S), a sham injected with vehicle alone (SV), twoseverely hyperglycemic Px rats (Px), and two severely hyperglycemic Pxrats treated with phlor izin for the last 2 weeks (PxP). BG shows theaveraged blood glucose values 3 and 4 weeks post-Px on the upper l ine,and the averaged blood glucose values 1 and 2 weeks post-Px (beforephlor izin treatment) on the bottom l ine.
FIG. 8. Changes in plasma nonester ified fatty acid and plasmainsulin levels after Px. Only severely hyperglycemic rats were used.Plasma was prepared from blood samples obtained on EDTA-paraoxon-coated tubes at 2 and 4 weeks in the fed state and after an overnightfast on day 25. Values are means S.E. for the indicated number ofsham (S), sham-injected with vehicle (SV), severely hyperglycemic rats(Px), and severely hyperglycemic rats treated with phlor izin (PxP).
Chronic Hyperglycemia and Loss of Cel l Di fferentiation 14119
by
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Effect of 2-week normalization of blood glucose by phlorizin treatment on changes in islet gene mRNA levels after 90% Px. The different internal control genes used are highlighted in italics. The results were obtained 4 weeks after Px with islets from a representative sham (S), a sham injected with vehicle alone (SV), two severely hyperglycemic Px rats (Px), and two severely hyperglycemic Px rats treated with phlorizin for the last 2 weeks (PxP). BG shows the averaged blood glucose values 3 and 4 weeks post-Px on the upper line, and the averaged blood glucose values 1 and 2 weeks post-Px (before phlorizin treatment) on the bottom line.
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DIABETES CARE, VOLUME 27, NUMBER 11, NOVEMBER 2004
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DIABETES CARE, VOLUME 27, NUMBER 11, NOVEMBER 2004
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www.thelancet.com Vol371 May24,2008
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www.thelancet.com Vol371 May24,2008
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DIABETES CARE, VOLUME 32, SUPPLEMENT 2, NOVEMBER 2009
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DIABETES CARE, VOLUME 32, SUPPLEMENT 2, NOVEMBER 2009
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DIABETES CARE, VOLUME 32, SUPPLEMENT 2, NOVEMBER 2009
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Changes in serum adiponectin concentrations and endothelial function after intensive insulin treatment in people with newly diagnosed type 2 diabetes: A pilot study
November 2011Volume 94, Issue 2, Pages 186–192
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Aims We aimed to assess changes in serum adiponectin and endothelial function after intensive insulin treatment in patients with newly diagnosed type 2 DIABETES mellitus (T2DM). Methods Patients with newly diagnosed T2DM were randomly assigned to Group A (intensive insulin treatment) or Group B (conventional insulin treatment). Before treatment and 2 weeks after plasma glucose concentrations had been maintained at the specified concentrations, blood samples were obtained to measure serum adiponectin and nitric oxide (NO) concentrations. A total of 21 patients were randomized to each Group.
Results
Post-treatment adiponectin and NO concentrations, and EDD were significantly higher in Group A compared with Group B (all P < 0.05). Both treatment regimens were well tolerated (all patients completed the study). The most common adverse event was hypoglycemia. Thus, early intensive insulin therapy can increase serum adiponectin and NO concentrations and improve endothelial function in patients with newly diagnosed T2DM. Conclusions These effects may underlie the reduced incidence of microvascular and macrovascular in patients who receive early intensive hypoglycemic therapy.
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Glucose Control Study Summary UKPDS
The intensive glucose control policy maintained a lower HbA1c
by mean 0.9 % over a median follow up of 10 years from
diagnosis of type 2 diabetes with reduction in risk of:
12% for any diabetes related endpoint p=0.029
25% for microvascular endpoints
p=0.0099
16% for myocardial infarction p=0.052
24% for cataract extraction p=0.046
21% for retinopathy at twelve years p=0.015
33% for albuminuria at twelve years
p=0.000054
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Original Article 10-Year Follow-up of Intensive Glucose Control in
Type 2 Diabetes
Rury R. Holman, F.R.C.P., Sanjoy K. Paul, Ph.D., M. Angelyn Bethel, M.D., David R. Matthews, F.R.C.P., and H. Andrew W. Neil, F.R.C.P.
N Engl J Med Volume 359(15):1577-1589
October 9, 2008
Despite an early loss of glycemic differences, continued microvascular risk reduction and emergent risk reductions for myocardial infarction and death from any cause were observed
This trial was conducted to determine whether the reduction in microvascular risk and improved glycemic control that had been observed with medical therapy, as compared with conventional dietary treatment, in patients with newly diagnosed type 2 diabetes was sustained during 10 years of follow-up
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Tip 2 Diyabette
Insulin tedavisinin baslanmasi
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4-T Calismasinin Dayanaklari
• Hastalarin cogu insulin tedavisi gerektirecektir. Diyabetin ilerleyici ozelligi ve tani yasinin dusmesi bunu isaret etmektedir.
• Halen insulin tedavisinin hala nasil baslamasi gerektigi konusu tam olarak aydinlanmamistir
• Hangi insulin preparatinin kullanilmasi gerektigine iliskin bir fikir birligi bulunmamaktadir
4-T calismasi Randomize controllu acik calisma
Insulin tedavi rejimlerini karsilastiran
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Protokol: 1.YIL
Main inclusion criteria: •Type 2 diabetes ≥ 1 year
•On maximum tolerated doses of metformin and SUs for ≥4 months
•HbA1c >7.0 ≤10%
Weeks:
Biphasic insulin – biphasic insulin aspart 30 BD (n=235)
Prandial insulin – insulin aspart TD with meals (n=239)
Basal insulin – insulin detemir OD or BD if required (n=234)
Existing OAD regimen continued
0 2 6 12 24 38 52
×6 visits and ×9 telephone calls
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Hedefe ulasim-HbA1c
23.9%, (p=0.08 vs. biphasic)
8.1%, (p=0.001 vs. biphasic, <0.001 vs. prandial)
17.0% 41.7%
27.8%
48.7%
Proportion <6.5% Proportion <7.0%
4 6 8 10 HbA1c (%)
0
0.1
0.2
0.3
0.4
0.5
Density
— At baseline
— Biphasic — Prandial — Basal
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Primer sonlanim- HbA1c
Months after randomisation
HbA
1c (
%)
10
8
0
7
6
9
0 3 6 9 12
7.3 ±0.9
7.2 ±0.9
7.6 ±1.0, p<0.001 vs. biphasic or prandial
Mean ±SD
— Biphasic — Prandial — Basal
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BEDEN AGIRLIGI
100
95
90
85
80
0
0 3 6 9 12
Body w
eig
ht
(kg)
Months after randomisation
+ 4.7 ± 4.0
+ 5.7 ± 4.6, p<0.005 vs. biphasic
+ 1.9 ± 4.2, p<0.001 vs. biphasic or prandial
Baseline to 1 year (kg)
— Biphasic — Prandial — Basal
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Hipoglisemi – 1 yillik sure icinde
Mean at 1 year (events/patient/year)
0 3 6 12
Months since randomisation
0
10
20
30
40
50
Pro
port
ion w
ith e
vents
(%
)
9
5.7
12.0, p<0.002 vs. biphasic
2.3, p=0.01 vs. biphasic, p<0.001 vs.prandial
— Biphasic
— Prandial
— Basal
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4-T: Klinik degerlendirme
• Insulin rejimi secimi
– Hasta icin belirlenen bireysel hedef
– HbA1c spektrumunda hedef
– Hipoglisemi riski
– Kilo alma endisesi
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Klinik te
Hasta A
• OAD alan ve HBA1c si %7.0-8.5 olanlar
• 4-T olgularinin % 50 si
• ADA/EASD kilavuzlarina gore insulin baslanmasi onerilen
Hasta B
• OAD alan ve HbA1c > % 8.5 olan
• 4-T olgularinin %50 si
• Komplikasyon riski tasiyan hastalar
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Insulin tedavisine baslama Hasta A ( HbA1c <%8.5)
• Bazal rejim – Rejimler arasinda hedef olan HbA1c % 6.5 a
ulasmada anlamli fark yok
– Kilo alma ve hipoglisemi olasiligi dusuktur
– Diyabetin ilerlemesi tedavide yogunlasmayi gerektirecektir- Hangi rejim? – Kanit YOK
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Insuline baslama Hasta B(HbA1c >%8.5)
1 Bazal rejim – <30% olasilikla %7.0 HbA1c hedefine ulasilir – Hafif kilo alimi (~2 kg) ve hafif ve az
hipoglisemi – Glukoz kontrolu ve
• Hipoglisemi riski • Kilo alimi • Rejimin basitligi • Diyabetin ilerlemesi arasinda bir denge
vardir
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Insuline baslama: Hasta B (HbA1c > %8.5)
2 Bifazik rejim – <%50 olasilikla hedef HbA1c % 7 ye ulasma
– Hastalarin % 10-15 inde onemli hipoglisemi
– Kilo alimi : ~5 kg (fakat : SD 4.0 kg)
– Genel olarak basit bir rejim
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Insuline baslama: Hasta B (HbA1c >% 8.5)
3 Prandial rejim – HbA1c dususu ve hedefi tutturma bifazik
rejimden daha iyi degil
– En fazla kilo alimi ve hipoglisemi
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SONUC-Hangi Insulin Baslanmali?
• HbA1c si<%8.5 olan ve insulin gerektiren hastalar icin en uygun olan bazal insulin
• HbA1c si >%8.5 olan hastalarin cogunlugu prandiyal insulin tedavisini gerektirirler
• Bifazik insulin yanliz prandiyal insulin rejiminden daha etkilidir
• Insulin tedavi rejimi secimi bireysel olmalidir.
Insulin tedavisinin yogunlastirilmasi hastalarin bircogunda onerilen hedef glukoz degerlerine ulasmak icin gerekecektir
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DIABETES CARE, VOLUME 36, SUPPLEMENT 2, AUGUST 2013
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DIABETES CARE, VOLUME 36, SUPPLEMENT 2, AUGUST 2013
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Sonuc-ORIGIN (Outcome Reduction with an Initial Glargin InterveNtion)
• Erken insulin baslanmasi insanlara zarar vermemistir.( ateroskleroz,KV Risk, kanser, agir hipoglisemi,asiri kilo alma)
• Tedaviye uyum cok iyi olmustur
• Calisma boyunca ( ort 6 yil) hiperglisemi cok etkili bir sekilde kontrol altinda tutulabilmistir.
• IGT ve disglisemisi olanlarda diyabetin ortaya cikmasi yavaslatilmis ve bir olcude engellenebilmistir.
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Neden insulin Tip 2 DM nin erken doneminde ORIGIN in olumsuz KV sonuclarina ragmen baslanmalidir?
CUNKU ORIGIN calışması göstermiştir ki:
• Insulin etkilidir ve etkisi uzun yillar devam etmektedir
• Emniyetlidir ve oral ajanlara gore daha az yan etkiye sahiptir
• Diyabete gidisi yavaslatmasi olasi beta hucresini koruma etkisinden oldugunu gostermektedir
• Erken tedavi olasi diyabetin dogal seyrini olumlu yonde degistirebilir
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Yeni Tanı Konmuş Tip 2 Diyabette Komplikasyon Oranları
• %20–30 Diyabetik retinopati
• %10–20 Mikroalbuminüri (~%40 hiperfiltras.)
• %30–40 Hipertansiyon
• %50–80 Dislipidemi
• %80–100 Vasküler disfonksiyon
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Başlangıçta bile yüksek komplikasyon oranları vardır ve
kötü kontrol ile komplikasyon riski daha da artar !
Ne yapmalı?
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“Erken agressif tedavi”
giderek daha fazla kabul
görmektedir.