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CompletedNCT06325410Updated Mar 22, 2024

Prognostic Factors Influencing the Recurrence Rate and Survival of Patients With Colorectal Cancer: a Single Institution Experience

An observational study in Colorectal Cancer, sponsored by Zagazig University. Completed at 1 site in Egypt. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2024-03-22.

Sponsored by Zagazig University · Observational

Study type
Observational
Model
Cohort
Time perspective
Retrospective
Enrollment
200
Ages
18 Years and older
Sex
All
01

Study summary

over the past decade colon cancer has emerged as the second most deadly and the third most common type of cancer in the world with increasing incidence in Egypt due to life style and diet change. some research showed relation between colon cancer recurrence and advanced tumor staging. To investigators knowledge, this is the first time to be done in Zagazig University.

Data was collected from records in a retrospective cohort study

02

Conditions studied

  • Colorectal Cancer

Keywords

  • colorectal
  • cancer
  • recurrence
  • prognosis
03

In context

Colorectal Neoplasms

5,599 studies on the registry are indexed under Colorectal Neoplasms; 1,459 are open to participants now.

This study's enrollment of 200 is below the median of 250 across 1,226 observational studies indexed under Colorectal Neoplasms.

Browse Colorectal Neoplasms studies →

Lead sponsor

Zagazig University is the lead sponsor of 447 studies on the registry; 75 are open to participants now.

Of its 5 completed or terminated interventional studies of FDA-regulated products, 0 (0%) have results posted.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Sampling method
Probability sample

Study population

patient with newely diagnosed colorectal cancer were followed up after surgery to detect if there was a recurrence prospectively, while patients with recurrent colorectal cancer were studied retrospectively to find out factors influencing the recurrence

Inclusion criteria

  • Adult patients with newly diagnosed colorectal cancer
  • Age > 18 years old
  • recurrent cases of colorectal cancer

Exclusion criteria

Exclusion Criteria:

  • Pediartric patient less than 18 yr
  • In operable or metastatic cancer colon
  • No other malignancies
05

Study design

Observational model
Cohort
Time perspective
Retrospective
Enrollment
200 participants (actual)
Patient registry
No

Interventions

  • Procedureresection of colorectal cancer

    resection of bowel segment and re-anastmosis or stoma formation

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What researchers measure

Primary outcomes

  1. age

    age of patients was obtained from medical records

    Time frame: through study completion, an average of 5 years

  2. sex

    sex of patients was obtained from medical records

    Time frame: through study completion, an average of 5 years

  3. medical disease

    co-existing medical disease was obtained from medical records

    Time frame: through study completion, an average of 5 years

  4. previous surgery

    previous surgical history was obtained from medical records

    Time frame: through study completion, an average of 5 years

  5. CEA

    value of carcino-embryonic antigen was recorded

    Time frame: through study completion, an average of 5 years

  6. tumor grade

    tumor grade after resection from pathology report recorded

    Time frame: through study completion, an average of 5 years

  7. tumor site

    tumor site recorded from operative findings

    Time frame: through study completion, an average of 5 years

  8. tumor size

    tumor size was measured by length x width in cm from records

    Time frame: through study completion, an average of 5 years

  9. surgical margins of resected tumor

    safety margins were assessed from pathological examination under microscopy and recorded in pathology reports, it can be free surgical margins ( no tumor cells) or positive surgical margins( presence of tumor cells)

    Time frame: through study completion, an average of 5 years

  10. neoadjuvant therapy

    history of neoadjuvant therapy before surgery from records obtained

    Time frame: through study completion, an average of 5 years

  11. adjuvant therapy

    history of adjuvant therapy post operative obtained from records

    Time frame: through study completion, an average of 5 years

  12. diet

    diet and dietary life style from history

    Time frame: through study completion, an average of 5 years

  13. occupation

    occupation of the patient at time of surgery and if it was changed

    Time frame: through study completion, an average of 5 years

  14. family history

    history taking of family history of cancer disease

    Time frame: through study completion, an average of 5 years

  15. type of surgery(laparoscopic or open)

    type of operation was laparoscopic or open surgery obtained from records

    Time frame: through study completion, an average of 5 years

  16. soiling by during surgery

    by history from records if there was soiling of the field by tumor cells

    Time frame: through study completion, an average of 5 years

  17. hand sewen or stappled anastmosis

    if there was bowel re-anastmosis after surgery, it was done using a stappler or hand sewing sutures. this was obtained from operative data in patient records

    Time frame: through study completion, an average of 5 years

  18. post operative complications

    from records; if there were post operative complication like fecal fistula

    Time frame: through study completion, an average of 5 years

  19. site of recurrence

    site of tumor recurrence was detected

    Time frame: through study completion, an average of 5 years

  20. type of resected tumor

    type of tumor was recorded from pathology reports

    Time frame: through study completion, an average of 5 years

07

Study locations

1 site
  • Zagazig University Hospitals
    Zagazig, 44519, Egypt
08

References and documents

Individual participant data

Plan to share: No — data will be available on demand by contacting the principle investigator

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Mar 22, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT06325410
Lead sponsor
Zagazig University
Responsible party
Reham Zakaria Mohamed Ahmed (Principal Investigator, Zagazig University) — Principal investigator
First posted
Mar 22, 2024
Start date
Jan 2013
Primary completion
Dec 2022
Completion
Dec 2022
Last update
Mar 22, 2024

Study contacts

Reham Zakaria, PhD
principal investigator · faculty of medicine Zagazig University

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Mar 2024. You cannot join it, but the record below documents what was studied.

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