crs and hipec for peritoneal carcinomatosis : an update ... 2016... · perfusion to cerebral...
TRANSCRIPT
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CRS and HIPEC for Peritoneal Carcinomatosis :
An update and critical appraisal
K. Van der Speeten, MD, PhDPretoria 08/10/16
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• 2016 : the Good, the Bad and the Ugly• Chemosurgery• The surgery in chemosurgery• The chemo in chemosurgery• Rationale for HIPEC• Do we need HIPEC ?• Now that we have proven the concept, how do we improve it• Now that we have proven the concept, how do we decrease M&M• Predicting response & faillure
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PERITONEAL CARCINOMATOSIS : PATHOPHYSIOLOGY
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Treating PSM in 2016
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2016 : The Good
• There is no long term survival with systemic chemotherapy
• Systemic chemotherapy : bad QoL
• CRS + HIPEC works
• A lot of patients benefit
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2016 : The Bad ( PALLIATION BY DEFAULT )
• > 50 % of patients still die
• CRS + HIPEC doesn’t work good enough
• A lot of patients don’t benefit long enough
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2016 : The Ugly
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Treating PSM in 2016
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CHEMOSURGERY
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TREATING PC WITH ‘ CHEMOSURGERY ‘ ?
• Combined multi-organ resections
• Peritonectomy-procedures
Treatment of
MACROSCOPIC
disease
• Intraperitoneal ChemotherapyTreatment of
MICROSCOPIC
disease
‘ It’s not what the surgeon removes that kills the patients, but what he leaves behind ‘
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TREATING PC WITH ‘ CHEMOSURGERY ‘ ?
CYTOREDUCTIVE SURGERY + INTRACAVITARY CHEMOTHERAPY
HIPEC Hyperthermic Intraperitoneal Peroperative Chemotherapy
EPIC Early Postoperative Intraperitoneal Chemotherapy
BIC Bidirectional Intraoperative Chemotherapy
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THE SURGERYIN
CHEMOSURGERY
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The Surgery in Chemosurgery
• Combined multi-organ resections
• Peritonectomy-procedures
Treatment of
MACROSCOPIC
disease
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The Surgery in Chemosurgery
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The Surgery in Chemosurgery
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THE CHEMOIN
CHEMOSURGERY
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• Hyperthermic Intraperitoneal
Peroperative Chemotherapy (HIPEC)
Treatment of
MICROSCOPIC
disease
The Chemo in Chemosurgery
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• Hyperthermic Intraperitoneal
Peroperative Chemotherapy (HIPEC)
The Chemo in Chemosurgery
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HIPEC ( SEMI ) CLOSED TECHNIQUE
The Chemo in Chemosurgery
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Rationale for HIPEC
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DOSE INTENSIFICATION
“the peritoneal permeability of a number of hydrophylic anticancer drugs
after intraperitoneal administration may be considerably less than the
plasma clearance of that same drug”
• Pharmacokinetic principle of DOSE INTENSIFICATION
• function of molecular weight, dose,……
• two compartment model
Dedrick RL et al. Cancer Treat Rep 1978; 62(1):673-88.
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DOSE INTENSIFICATION
Rate of mass transfer = PA ( CP – CB )
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DOSE INTENSIFICATION
EFFICACY
TOXICITY
AUC IP / AUC IV = AUC RATIO …. Measure of efficacy
Cancer Chemother Pharmacol. 2011 Jul; 68(1): 147-56.
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DO WE NEED HIPEC ?
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Do we need HIPEC ?
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Do we need HIPEC ?
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Now that we have proventhe concept
how do we further improve it
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Rationale for EPIC
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Rationale for EPIC
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Rationale for EPIC
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Rationale for
Bidirectional Intraoperative
Chemotherapy (BIC)
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Introduction : concept of BIC
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TIMING OF PERIOPERATIVE IV CHEMOTHERAPY
Modified from Fujiwara K. Int J Gynecol Cancer 2007,17,1-20
Pharmacologic concept of bidirectional (IV and IP) chemotherapy
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TIMING OF PERIOPERATIVE IV CHEMOTHERAPY
FIGURE 2: 5-Fluorouracil concentrations in peritoneal fluid and plasma after intravenous administration during hyperthermic intraperitoneal chemotherapy procedure (N=20).
• Rapid distribution to ALL body compartments• metabolization restricted to plasma compartment
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TIMING OF PERIOPERATIVE IV CHEMOTHERAPY
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Now that we have proventhe concept
how do we decrease the Ugly
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CASE-REPORT
AVC, 54 yrs, ovarian PC, OVHIPEC Trial protocol, CC0 cytoreduction
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CASE-REPORT
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CASE-REPORT
Do the positioning yourself Modified ‘modified’ lithotomy position Regular pausing of the pneumatic compression stockings
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MONITORING OF BRAIN OXYGENATION DURING HYPERTHERMIC INTRAPERITONEAL CHEMOTHERAPY (HIPEC) PROCEDURES
Eur J Anaesthesiol 2009; 26 (Suppl 45): 44.
CONCLUSIONSThis is the preliminary report on non-invasive, absolute cerebral oxygenation monitoring during HIPEC procedures, where rapid increase in body temperature may be induced. These rapid increases in body temperature may result in mismatches in cerebral perfusion to cerebral metabolism ratio, possible inducing inadequacy of cerebral perfusion. However, more data are required to elucidate the relationship between rapid increases in body temperature and adequacy of cerebral perfusion, as monitored by cerebral oximetry.
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proper training of anesthesiologists is mandatory Train the whole team !!!
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CASE-REPORT
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Int J Colorectal Dis 2007; 22(8):941-7
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Protect all low rectal anastomoses More than 2 anastomoses: protect Aggressive treatment of all leakage
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Efficacy versus hematological toxicity
Doxorubicin levels in tumor nodules versus normal adjacent tissues
0 15 30 45 60 90 1200.01
0.1
1
10
100
Perit.Fluid
Plasma
Tumor NodulesNormal Tissue
Time (minutes)
[Dox
orub
icin
] =µ
g/m
L(T
issu
e =µ
g/gm
)
Efficacy
HematologicalToxicity
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Unpublished data
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Don’t reinvent the wheel; ‘surf’ on the global learning curve
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Predicting
Response &
Faillure
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Trick 1
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PHARMACOLOGIC VARIABLES
Ceelen W. et al. Cancer Treat Res. 2007; 134: 195-214.
Question : do peritoneal drug levels accurately predict efficacy ? NO
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Doxorubicin levels in peritoneal fluid, plasma, tumor nodules and adjacent tissue
0 15 30 45 60 90 1200.01
0.1
1
10
100
Perit.Fluid
Plasma
Tumor NodulesNormal Tissue
Time (minutes)
[Dox
orub
icin
] =µ
g/m
L(T
issu
e =µ
g/gm
)
TUMOR NODULE AS PHARMACOLOGIC ENDPOINT
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TUMOR NODULE AS PHARMACOLOGIC ENDPOINT
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PREDICTING RESPONSE +/- FAILLURE
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PREDICTING RESPONSE +/- FAILLURE
Int J Oncol. 2012 Apr;40(4):960-4. doi: 10.3892/ijo.2012.1334. Epub 2012 Jan 16.MUC2 protein expression status is useful in assessing the effects of hyperthermic intraperitoneal chemotherapy for peritoneal dissemination of colon cancer.Fujishima Y, Goi T, Kimura Y, Hirono Y, Katayama K, Yamaguchi A.SourceFirst Department of Surgery, University of Fukui, 23-3 Eiheiji-cho, Yoshida-gun, Fukui, Japan.AbstractWe conducted a molecular biological investigation to determine the outcomes of hyperthermic intraperitoneal chemotherapy (HIPEC) treatment, and whether it is effective in all cases for patients with peritoneal dissemination of colon cancer. In the HIPEC group, the 3-year survival rate was 39.2%, whereas in the non-HIPEC group the 3-year survival rate was 15.6%. MUC2 expression was investigated in the HIPEC group, in patients positive for MUC2 expression, and the 3-year survival rate was 0.0%, while in patients negative for MUC2 expression, the 3-year survival rate was 61.1%. In addition, as a result of introducing MUC2-siRNA into a colon cancer cell line with high expression of the MUC2 gene, the cell death rate from heat and anticancer agents increased 40% in comparison with colon cancer cells in which scrambled siRNA had not been introduced. HIPEC therapy is thought to be effective in prolonging survival in patients with peritoneal dissemination of colon cancer, and MUC2 expression is thought to be useful as an indicator to assess its effectiveness in colon cancer cells
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Unmetabolized mitomycin C. In the top portion is a representative HPLC chromatogram of mitomycin C and its metabolites in peritoneal fluid, plasma and urine. This pattern of the chromatogram was observed in a great majority of patients. The lower graphs shows the HPLC chromatogram of a single patient who had failure to metabolize the drug. Six patients (4%) had this unusual mitomycin C chromatogram
Normal patient
Non-metabolizer
PROBABLY
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PREDICTING RESPONSE +/- FAILLURE
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PREDICTING RESPONSE +/- FAILLURE
Rabbit model; mito c non metabolizer, oxaliplatin metabolizer
Unpublished data
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PREDICTING RESPONSE +/- FAILLURE
Unpublished data, 50 patients, accrual completed
PILOT STUDYColon PC
CC0 CRS and HIPEC ( Mito C)
Mitomycin C non-
metabolizer
Follow-upRe-HIPEC
withoxaliplatin
Mitomycinmetabolizer
Follow-up
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PREDICTING RESPONSE +/- FAILLURE
Unpublished data
PRELIMINARY RESULTS
14 mitomycin non-metabolizers identified
5/7 recurred in follow-up arm1/7 recurred in re-HIPEC armMedian follow-up : 15 months
Colon PC CC0 CRS and HIPEC ( Mito C)
Mitomycin C non-
metabolizer
Follow-upRe-HIPEC
withoxaliplatin
Mitomycinmetabolizer
Follow-up
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CONCLUSIONS• CRS + HIPEC provides very encouraging clinical results in PSM
of colorectal and appendiceal origin
• Systemic therapy alone offers no long term survival
• Completeness of cytoreduction
• Acceptable morbidity-mortality
• Aggressively treat all complications
• Reduce the learning curve: side-to side training.
• Move IP chemotherapy up in the timeline of colorectal and appendiceal patients at high risk of PSM
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Acknowledgements
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Acknowledgements
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Travel Fellowship
• 6000 Euro
• 6 months
• Let us learn from each other
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THANK YOU