Skip to content

"The effect of vitamin C on the treatment of torn rotator cuff injuries.

The Effect of Ascorbic Acid (Vitamin C) on Functional Recovery and Pain relief Following Open Rotator Cuff Repair: A Randomized Clinical Tria

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20250825066991N1
Enrollment
64
Registered
2025-09-23
Start date
2025-09-23
Completion date
Unknown
Last updated
2025-10-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Rotator Cuff Tear. Complete rotator cuff tear or rupture not specified as traumatic

Interventions

Intervention 1: Intervention group: Participants in the intervention group will receive an oral vitamin C supplement at a daily dose of 500 mg, starting from the first day after surgery and continuing

Sponsors

Iran University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Patients over the age of 18 undergoing open surgical repair for rotator cuff tears Confirmation of full-thickness tear in one or more rotator cuff tendons based on preoperative MRI assessment and intraoperative verification. "Provision of written informed consent to participate in the study and commitment to postoperative follow-up according to the specified schedule Adequate general health status to undergo the standard postoperative treatment and rehabilitation process

Exclusion criteria

Exclusion criteria: Shoulder Revision Surgery "Presence of neurological or muscular disorders that may affect shoulder functional outcomes (e.g., neuromuscular diseases) Presence of significant concomitant injuries to other shoulder structures (e.g., extensive glenoid labrum tear or advanced glenohumeral joint osteoarthritis) "Pregnancy or the presence of uncontrolled systemic diseases such as uncontrolled diabetes mellitus or advanced renal failure

Design outcomes

Primary

MeasureTime frame
Determination of the mean (± standard deviation) scores of upper limb function (QuickDASH) in the ascorbic acid intervention group and the control group. Timepoint: Week 12 and Week 24. Method of measurement: QuickDASH Questionnaire.;Comparison of mean upper limb functional scores (QuickDASH) between the ascorbic acid intervention group and the control group. Timepoint: Week 12 and Week 24 after surgery. Method of measurement: QuickDASH Questionnaire.;Etermination of the mean (± standard deviation) pain intensity scores in the ascorbic acid intervention group and the control group. Timepoint: At weeks 2, 6, 12, and 24 following the surgery. Method of measurement: Visual Analogue Scale Questionnaire.;Comparison of the Mean Pain Intensity Between the Ascorbic Acid Group and the Control Group. Timepoint: At weeks 2, 6, 12, and 24 following the surgery. Method of measurement: Visual Analogue Scale Questionnaire.;Determination of the Mean (Standard Deviation) of Shoulder Joint Range of Motion (ROM) in the Ascorbic Acid Group and the Control Group. Timepoint: Weeks 12 and 24 following the surgery. Method of measurement: Using an instrument called a goniometer.;Comparison of the Mean Shoulder Joint Range of Motion (ROM) Between the Ascorbic Acid Group and the Control Group. Timepoint: Weeks 12 and 24 following the surgery. Method of measurement: Using an instrument called a goniometer.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactAlireza Ebadi

Iran University of Medical Sciences

dr.alirezaebadi@gmail.com+98 935 998 4298

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026