NCT07732725

Brief Summary

Considering the fact that melatonin was safely and effectively used in higher doses in multiple surgical conditions , the present study hypothesized that increasing melatonin dose in THA would have better benefits for patients.

Trial Health

63
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Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
150

participants targeted

Target at P75+ for early_phase_1

Timeline
1mo left

Started Aug 2026

Shorter than P25 for early_phase_1

Geographic Reach
1 country

1 active site

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress68%
Aug 2026Nov 2026

First Submitted

Initial submission to the registry

July 22, 2026

Completed
7 days until next milestone

First Posted

Study publicly available on registry

July 29, 2026

Completed
6 days until next milestone

Study Start

First participant enrolled

August 4, 2026

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 4, 2026

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 4, 2026

Last Updated

July 29, 2026

Status Verified

July 1, 2026

Enrollment Period

3 months

First QC Date

July 22, 2026

Last Update Submit

July 26, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Sleep Quality

    Patient-Reported Outcomes Measurement Information System (PROMIS) for sleep quality

    14 days

Study Arms (3)

5mg group

EXPERIMENTAL

Melatonin 5 mg and one placebo sugar tablet oral tablet, two hours preoperatively and for 14 nights postoperatively.

Drug: Melatonin 5 MG

10mg group

EXPERIMENTAL

Two melatonin 5 mg oral tablet, two hours preoperatively and for 14 nights postoperatively.

Drug: Melatonin 10 MG

Control group

PLACEBO COMPARATOR

Two placebo sugar tablets, two hours preoperatively and for 14 nights postoperatively.

Other: Placebo

Interventions

Melatonin 5 mg and one placebo sugar tablet oral tablet, two hours preoperatively and for 14 nights postoperatively.

Also known as: Melatonin
5mg group

Two melatonin 5 mg oral tablet, two hours preoperatively and for 14 nights postoperatively.

Also known as: Melatonin
10mg group
PlaceboOTHER

Two placebo sugar tablets, two hours preoperatively and for 14 nights postoperatively.

Control group

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Elective unilateral total hip arthroplasty.

You may not qualify if:

  • Revision arthroplasty
  • documented sleep disorders requiring treatment,
  • use of other sleep medications preoperatively
  • known melatonin allergy or contraindication.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Benha Univeristy

Banhā, Qalyobua, 3433, Egypt

Location

MeSH Terms

Conditions

Parasomnias

Interventions

Melatonin

Condition Hierarchy (Ancestors)

Sleep Wake DisordersNervous System DiseasesMental Disorders

Intervention Hierarchy (Ancestors)

TryptaminesIndolesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic CompoundsHormonesHormones, Hormone Substitutes, and Hormone Antagonists

Central Study Contacts

Nourhan Amer, PhD

CONTACT

Study Design

Study Type
interventional
Phase
early phase 1
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal investigator

Study Record Dates

First Submitted

July 22, 2026

First Posted

July 29, 2026

Study Start

August 4, 2026

Primary Completion (Estimated)

November 4, 2026

Study Completion (Estimated)

November 4, 2026

Last Updated

July 29, 2026

Record last verified: 2026-07

Locations