Clinical trial registry record

Effect of Dexmedetomidine on Lung Protection in Elderly Patients Undergoing Laparoscopic Surgery for Colorectal Cancer

A registered study indexed because it matched monitored longevity research terms. Registry status: Completed. Registration does not establish safety or effectiveness.

Plain-language guide

Five questions to ask about this record

What this is
A clinical study registration, not a result or recommendation.
Why it may matter
The registry currently reports Completed.
Evidence
Registered phase not reported study.
Main limitation
Registration does not prove that the intervention works, is safe, or is available to you.
What changed
Registry metadata was last updated February 4, 2026.
Where to verify
Open the primary registry below for eligibility, locations, contacts, and current status.
Registry ID
NCT07385898
Last registry update
February 4, 2026
Status
Completed
Phase
Phase not reported
Sponsor
The Second Affiliated Hospital of Chongqing Medical University
Enrollment
64
Countries
China
Match confidence
100%
Source feed
ClinicalTrials.gov
Automated source synopsis

A registered study indexed because it matched monitored longevity research terms. Registry status: Completed. Registration does not establish safety or effectiveness.

Evidence snapshot

What the source actually supports

Evidence stage
Phase not reported
Study design
RANDOMIZED · PARALLEL · HEALTH SERVICES RESEARCH · TRIPLE
Evidence population
Human clinical study registration
Participants
64
Population
ALL · 60 Years to 85 Years
Duration
2023-04-17 to 2024-02-27
Intervention
Dexmedetomidine; Normal saline
Comparator
Control
Outcomes measured
oxygenation index — When patients enter the operation room (T0), 5 minutes after completion of pneumoperitoneum and tre…; PaCO2 — When patients enter the operation room (T0), 5 minutes after completion of pneumoperitoneum and trendelenburg p…; EtCO2 — 5 minutes after establishment of pneumoperitoneum and trendelenburg position (T1), 30 minutes after trendelenbu…; Pplat — 5 minutes after establishment of pneumoperitoneum and trendelenburg position (T1), 30 minutes after trendelenbu…; Ppeak — 5 minutes after establishment of pneumoperitoneum and trendelenburg position (T1), 30 minutes after trendelenbu…; lung compliance — 5 minutes after establishment of pneumoperitoneum and trendelenburg position (T1), 30 minutes after t…; Vd/Vt — 5 minutes after establishment of pneumoperitoneum and trendelenburg position (T1), 30 minutes after trendelenbu…; Qs/Qt — When patients enter the operation room (T0), 5 minutes after completion of pneumoperitoneum and trendelenburg p…; PA-aO2 — When patients enter the operation room (T0), 5 minutes after completion of pneumoperitoneum and trendelenburg…; SPO2 — When patients enter the operation room (T0), 5 minutes after trendelenburg position (T1), 30 (T2) and 60 (T3) mi…; Blood pressure — When patients enter the operation room (T0), 5 minutes after trendelenburg position (T1), 30 (T2) and…; HR — When patients enter the operation room (T0), 5 minutes after trendelenburg position (T1), 30 (T2) and 60 (T3) minu…; Lac — When patients enter the operation room (T0), 5 (T1), 30 (T2) and 60 (T3) min after trendelenburg position, and wh…; WBC — before surgery, postoperative day 1; NEU — before surgery, postoperative day 1; NEU(%) — before surgery, postoperative day 1; TV — before surgery, postoperative day 1; MVV — before surgery, postoperative day 1; RR — before surgery, postoperative day 1; Postoperative pulmonary complications — postoperative day 1, 2, and 3
Reported result
No reusable finding-level result is available in this record.

Main limitationThis is a study registration. No reusable structured result is available here, so it cannot show whether the intervention worked or was safe.

Safety and approvalEligibility, adverse-event details, and clinical decisions must be checked in the official registry and with qualified clinicians. Trial registration is not regulatory approval and does not establish that an intervention is available.

Source supportStructured registry protocol metadata; no finding-level conclusion is generated.

Trial stage · Phase not reportedA trial phase describes development stage; it does not establish a positive result.
Phase 1Phase 2Phase 3Phase 4

Registration and recruitment status do not establish safety, efficacy, or regulatory approval.

Why this record appears here · 100% topic match

The title, summary, or source keywords matched one or more topics followed by immortal.life. A higher percentage means a stronger topic match; it does not rate safety, effectiveness, or study quality.

  • Cancer and ageing · 100%Title contains controlled topic terminology. Summary contains controlled topic terminology. Source terminology contains a controlled topic term. Title supplies ageing or longevity context.

Automated source check 100% · update recency 85%. These figures help sort records; they are not medical ratings.

cancer and aging
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