VIdeo Assisted Thoracoscopic Lobectomy Versus Conventional Open LobEcTomy for Lung Cancer

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

COMPLETED

Clinical Phase

NA

Total Enrollment

503 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-07-31

Study Completion Date

2020-03-31

Brief Summary

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Lung cancer is the leading cause of cancer death worldwide and survival in the United Kingdom (UK) remains amongst the lowest in Europe. Surgery is the main method of managing early stage disease and is traditionally undertaken via conventional open surgery. However, over the last decade there has been a surge in the number of minimal access resections performed using Video-assisted thoracoscopic surgery (VATS). However, there remains a need for well-designed and conducted randomised controlled trial (RCT) to provide the evidence base for the wide spread uptake and delivery of this surgical approach.

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Detailed Description

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The uptake of surgery for lung cancer in the UK is low and minimal access surgery may be regarded as a more acceptable intervention (compared to open surgery) by patients, referring respiratory physicians and oncologists. However, a large multi-centre RCT is essential to inform patient and clinician decision making and influence surgical practice in the UK.

The VIOLET study will compare the effectiveness, cost-effectiveness and acceptability of VATS lobectomy versus open surgery for treatment of lung cancer and will test the hypothesis that VATS surgery is superior to open surgery with respect to self-reported physical function five weeks after randomisation (approx. one month after surgery).

Specific objectives are to estimate:

A. The difference between groups in the average self-reported physical function at five weeks.

B. The difference between groups with respect to a range of secondary outcomes including assessment of efficacy (hospital stay, pain, proportion and time to uptake of chemotherapy), measures of safety (adverse health events), oncological outcomes (proportion of patients upstaged to pN2 disease and disease free survival) and overall survival.

C. The cost effectiveness of VATs and open surgery.

Conditions

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Lung Neoplasms

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Outcome Assessors

Study Groups

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VATS lobectomy

VATS lobectomy is undertaken through one to four keyhole incisions without rib spreading. The use of 'rib spreading' is prohibited as this is the key intra-operative manoeuvre which disrupts tissues and causes pain (and is used in open surgery). The procedure is performed with videoscopic visualisation without direct vision. The hilar structures are dissected, stapled and divided. Endoscopic ligation of pulmonary arterial branches may be performed. The fissure is completed and the lobe of lung resected. Lymph node management is the same as described for open surgery. The incisions are closed in layers and may involve muscle, fat and skin layers. This definition of VATS lobectomy is a modification of CALGB 39802.

Group Type EXPERIMENTAL

Video Assisted Thoracoscopic Surgery (VATS)

Intervention Type PROCEDURE

VATS lobectomy is undertaken through one to four keyhole incisions without rib spreading. The use of 'rib spreading' is prohibited as this is the key intra-operative manoeuvre which disrupts tissues and causes pain (and is used in open surgery). The procedure is performed with videoscopic visualisation without direct vision. The hilar structures are dissected, stapled and divided. Endoscopic ligation of pulmonary arterial branches may be performed. The fissure is completed and the lobe of lung resected. Lymph node management is the same as described for open surgery. The incisions are closed in layers and may involve muscle, fat and skin layers. This definition of VATS lobectomy is a modification of CALGB 39802.

Open lobectomy

Conventional open surgery is undertaken through a single incision +/- rib resection and with rib spreading. The operation is performed under direct vision with isolation of the hilar structures (vein, artery and bronchus) which are dissected, ligated and divided in sequence and the lobe of lung resected. The procedures may be undertaken using ligatures, over sewing or with staplers. Lymph node management is undertaken in accordance with the International Association of the Study of Lung Cancer (IASLC) recommendations where a minimal of 6 nodes / stations are removed, of which 3 are from the mediastinum that includes the subcarinal station. The thoracotomy is closed in layers starting from pericostal sutures over the ribs, muscle, fat and skin layers.

Group Type ACTIVE_COMPARATOR

Open Surgery

Intervention Type PROCEDURE

Conventional open surgery is undertaken through a single incision +/- rib resection and with rib spreading. The operation is performed under direct vision with isolation of the hilar structures (vein, artery and bronchus) which are dissected, ligated and divided in sequence and the lobe of lung resected. The procedures may be undertaken using ligatures, over sewing or with staplers. Lymph node management is undertaken in accordance with the International Association of the Study of Lung Cancer (IASLC) recommendations where a minimal of 6 nodes / stations are removed, of which 3 are from the mediastinum that includes the subcarinal station. The thoracotomy is closed in layers starting from pericostal sutures over the ribs, muscle, fat and skin layers.

Interventions

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Open Surgery

Conventional open surgery is undertaken through a single incision +/- rib resection and with rib spreading. The operation is performed under direct vision with isolation of the hilar structures (vein, artery and bronchus) which are dissected, ligated and divided in sequence and the lobe of lung resected. The procedures may be undertaken using ligatures, over sewing or with staplers. Lymph node management is undertaken in accordance with the International Association of the Study of Lung Cancer (IASLC) recommendations where a minimal of 6 nodes / stations are removed, of which 3 are from the mediastinum that includes the subcarinal station. The thoracotomy is closed in layers starting from pericostal sutures over the ribs, muscle, fat and skin layers.

Intervention Type PROCEDURE

Video Assisted Thoracoscopic Surgery (VATS)

VATS lobectomy is undertaken through one to four keyhole incisions without rib spreading. The use of 'rib spreading' is prohibited as this is the key intra-operative manoeuvre which disrupts tissues and causes pain (and is used in open surgery). The procedure is performed with videoscopic visualisation without direct vision. The hilar structures are dissected, stapled and divided. Endoscopic ligation of pulmonary arterial branches may be performed. The fissure is completed and the lobe of lung resected. Lymph node management is the same as described for open surgery. The incisions are closed in layers and may involve muscle, fat and skin layers. This definition of VATS lobectomy is a modification of CALGB 39802.

Intervention Type PROCEDURE

Other Intervention Names

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Open lobectomy VATS lobectomy

Eligibility Criteria

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Inclusion Criteria

1. Adults aged ≥16 years of age
2. Able to give written consent, undergoing either:

i. Lobectomy or bilobectomy for treatment of known or suspected primary lung cancer beyond lobar orifice\* in TNM8 stage cT1-3 (by size criteria, equivalent to TNM7 stage cT1a-2b) or cT3 (by virtue of 2 nodules in the same lobe), N0-1 and M0 or ii. Undergoing frozen section biopsy with the intention to proceed with lobectomy or bilobectomy if primary lung cancer with a peripheral tumour beyond a lobar orifice\* in TNM8 stage cT1-3 (by size criteria, equivalent to TNM7 stage cT1a-2b) or cT3 (by virtue of 2 nodules in the same lobe), N0-1 and M0 is confirmed
3. Disease suitable for both minimal access (VATS) and open surgery

Exclusion Criteria

1. Adults lacking capacity to consent
2. Previous malignancy that influences life expectancy
3. Patients in whom a pneumonectomy, segmentectomy or non-anatomic resection (e.g. wedge resection) is planned
4. Patients with a serious concomitant disorder that would compromise patient safety during surgery.
5. Planned robotic surgery

Minimum Eligible Age

16 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No