Upfront EUS CGN/CPN vs Conventional Step up Approach for Inoperable Painful Pancreatic Cancer

NCT ID: NCT06160323

Last Updated: 2023-12-07

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

94 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-11-10

Study Completion Date

2027-07-31

Brief Summary

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Patients with unresectable pancreatic cancer are often demoralized by intractable, persistent and incapacitating pain. It must be managed aggressively and strong opioids are recommended as the mainstay of treatment. However, patients develop opioid-related adverse effects. EUS-guided celiac plexus neurolysis (CPN) and celiac ganglion neurolysis (CGN) has been shown to provide high efficacy for pain control. The optimal timing, however, is in debate.

Detailed Description

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Conditions

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Pancreatic Cancer Non-resectable Tumor Pancreas Pain Cancer

Keywords

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Pancreatic Cancer Non-resectable tumor pain endoscopic ultrasound-guided celiac ganglion neurolysis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Patient will be randomly assigned in a 1:1 ratio to either the upfront EUS-guided CGN/CPN approach or to the conventional step-up approach at the time of EUS. Site-specific block randomization will be performed via an online web-based randomization program with a concealed, fixed block size.
Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Outcome Assessors
Patient will be masked on their randomization until (i) 3 month from randomization (study endpoint) or (ii) after 4 weeks if VAS score \>= 7 or VAS score fails to improve by 20% despite optimal oral analgesics, when they will be allowed to opt for EUS-guided CGN/ CPN. The pain assessment will be performed by assessors who are blinded to the randomized group each time.

Study Groups

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EUS-guided coeliac ganglion neurolysis / celiac plexus neurolysis

Patient would undergo a EUS diagnostic procedure with or without a biopsy. Patient would be blinded to the group they were assigned. The procedure will be performed with a linear array echoendoscope (EUS) under conscious sedation or monitored anaesthesia care.

For cases in which celiac ganglia could not be visualized, EUS-guided coeliac plexus neurolysis (CPN) will be performed.

Group Type ACTIVE_COMPARATOR

EUS-guided coeliac ganglion neurolysis / celiac plexus neurolysis

Intervention Type PROCEDURE

The EUS scope was first inserted into the stomach, and the coeliac trunk was visualized by scanning from the lesser curve of the gastric body. After visualization, the scope was rotated clockwise, enabling visualization and identification of the left adrenal gland. The coeliac ganglia are often seen to the left of the coeliac artery, between the aorta and the left adrenal gland, at the level between the coeliac artery and the left adrenal artery. They are also visualized cephalad to the coeliac artery in some cases. Hypoechoic nodular structures linked by hypoechoic threads residing in the periphery of this region were defined as the coeliac ganglia . A 19G or 22G needle was used for puncture of the CGN. After confirming the lack of backflow of blood with aspiration, a mixture of 5ml of 0.25-0.5% bupivacaine and 5ml absolute alcohol was injected.

For cases in which celiac ganglia could not be visualized, EUS-guided coeliac plexus neurolysis (CPN) will be performed.

Conventional step-up approach

Patient would undergo a EUS diagnostic procedure with or without a biopsy. Patient would be blinded to the group they were assigned. The concept of the conventional step-up approach is to follow ESMO clinical practice guidelines for cancer pain.

In case of inadequate pain control, the analgesics will be stepped up according to the guidelines. After 4 weeks, if patient's VAS score more than 7 or VAS score fails to improve by 20% despite optimal oral analgesics, patients are given the option of EUS-guided CGN/ CPN.

Group Type ACTIVE_COMPARATOR

EUS-guided coeliac ganglion neurolysis / celiac plexus neurolysis

Intervention Type PROCEDURE

The EUS scope was first inserted into the stomach, and the coeliac trunk was visualized by scanning from the lesser curve of the gastric body. After visualization, the scope was rotated clockwise, enabling visualization and identification of the left adrenal gland. The coeliac ganglia are often seen to the left of the coeliac artery, between the aorta and the left adrenal gland, at the level between the coeliac artery and the left adrenal artery. They are also visualized cephalad to the coeliac artery in some cases. Hypoechoic nodular structures linked by hypoechoic threads residing in the periphery of this region were defined as the coeliac ganglia . A 19G or 22G needle was used for puncture of the CGN. After confirming the lack of backflow of blood with aspiration, a mixture of 5ml of 0.25-0.5% bupivacaine and 5ml absolute alcohol was injected.

For cases in which celiac ganglia could not be visualized, EUS-guided coeliac plexus neurolysis (CPN) will be performed.

Interventions

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EUS-guided coeliac ganglion neurolysis / celiac plexus neurolysis

The EUS scope was first inserted into the stomach, and the coeliac trunk was visualized by scanning from the lesser curve of the gastric body. After visualization, the scope was rotated clockwise, enabling visualization and identification of the left adrenal gland. The coeliac ganglia are often seen to the left of the coeliac artery, between the aorta and the left adrenal gland, at the level between the coeliac artery and the left adrenal artery. They are also visualized cephalad to the coeliac artery in some cases. Hypoechoic nodular structures linked by hypoechoic threads residing in the periphery of this region were defined as the coeliac ganglia . A 19G or 22G needle was used for puncture of the CGN. After confirming the lack of backflow of blood with aspiration, a mixture of 5ml of 0.25-0.5% bupivacaine and 5ml absolute alcohol was injected.

For cases in which celiac ganglia could not be visualized, EUS-guided coeliac plexus neurolysis (CPN) will be performed.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

1. Age \>= 18 years old
2. Diagnosed to have inoperable pancreatic cancer
3. Presence of tumor pain (centrally located, constant, with no other obvious cause) with a VAS \>= 3
4. Karnofsky performance status \>= 60
5. Planned for EUS examination and/or biopsy of the pancreatic tumor

Exclusion Criteria

1. Allergy to bupivacaine, or alcohol
2. Potentially operable after neoadjuvant therapy
3. Expected survival of less than 3 months
4. Patient who is already on opioids for pain control
5. Previous percutaneous or EUS-guided CGN/ CPN
6. Recurrent pancreatic tumors after operation
7. Uncorrectable coagulopathy
8. Inability or unwillingness to provide informed consent
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Chinese University of Hong Kong

OTHER

Sponsor Role lead

Responsible Party

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CHAN SHANNON MELISSA

Assistant Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Prince of Wales Hospital

Hong Kong, , Hong Kong

Site Status RECRUITING

Countries

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Hong Kong

Central Contacts

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Shannon Melissa Chan

Role: CONTACT

Phone: 852-35052627

Email: [email protected]

Facility Contacts

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Shannon M Chan, FRCS

Role: primary

Other Identifiers

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2023.294

Identifier Type: -

Identifier Source: org_study_id