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Class II Division 1 MalocclusionNCT05335824

The Effect of Autologous Platelet Concentrations on Orthodontic Treatment Time

A study testing The platelet-rich plasma (PRP) and The injectable platelet-rich fibrin (I-PRF) group in people with Class II Division 1 Malocclusion, run by Damascus University at 1 site in Syria.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

60 patients needed therapeutic extraction of the maxillary first premolars with subsequent retraction of the maxillary canines were divided to randomly three groups: (1) PRP group: Received PRP injections, (2) I-PRF group: Received I-PRF injections, (3) Control group: conventional treatment with no injections. Read more about this study

Who is it for?
Ages 18 to 25 years
Conditions the study is for
Class II Division 1 Malocclusion
What is being tested?
The platelet-rich plasma (PRP) and The injectable platelet-rich fibrin (I-PRF) group
Could I receive a placebo?
No, everyone receives an active treatment
How many people
60 participants
Where
1 siteSyria
Study dates
8 Feb 2019to 25 Dec 2020
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 25 years
  • All sexes
  • No healthy volunteers
  • Adult

Who may be able to join

  • both male and female subjects
  • 18-25 years old
  • Class II Division 1 malocclusion, treated with extraction of the maxillary first premolars
  • Full permanent dentition
  • Good general and oral health

Who cannot join

  • extreme skeletal class II malocclusion, overjet > 10 mm ANB>7◦
  • diseases and medications that were likely to affect bone biology
  • poor oral hygiene
  • previous orthodontic treatment
  • smoking
  • coagulation disorders, or being treated with anticoagulants

Trial locations and contacts

1 site in 1 country.

Syria1 site
  • University of Damascus

    Damascus

Other trials in Syria

About this study

Official title: Comparison Between The Effect of Platelet Rich Plasma (PRP) and Injectable Platelet Rich Fibrin (I-PRF) on Orthodontic Tooth Movement

60 patients needed therapeutic extraction of the maxillary first premolars with subsequent retraction of the maxillary canines were divided to randomly three groups:

(1) PRP group: Received PRP injections, (2) I-PRF group: Received I-PRF injections, (3) Control group: conventional treatment with no injections. TPAs were used as an anchor unit. Coil springs were used to distalize the upper canines on 0.019 x 0.025-inch stainless archwires. Alginate impressions and dental casts of the maxillary arch were done at five-time points over a 4-month follow-up period. The amount of canine movement, canine rotation, and anchorage loss were measured on three-dimensional digital models superimposed on the rugae area.

Read the detailed description

One of the most important goals of orthodontic treatment is to decrease the treatment time via achieving faster tooth movement chiefly in adults. Adults have more bone density and less bone turnover than adolescence, which may be linked to potential root resorption, periodontal problems, and white spot lesions.

Approaches to reduce orthodontic treatment time included surgical and non-surgical techniques. Non-surgical approaches such as systemic and local administration of chemical substances, low-level laser therapy, vibrations, and pulsed electrical stimulation therapy still need more studies to determine their safety and effectiveness.

Surgical procedures such as corticotomy, corticision, and micro-osteoperforations have

, in general high success rates, but they rely on incurring an injury to bone tissues. The latter has been linked to the regional acceleratory phenomenon (RAP). But the invasive nature of these procedures, associated risks of loss of alveolar bone and gingival recession, and the help needed from another specialist limit its routine application. Recently, the possibility of using platelet-based preparations from the patient's blood to accelerate orthodontic tooth movement like platelet-rich plasma (PRP) and platelet-rich fibrin (PRF) has grown. PRF represents the second generation of biological materials derived from blood. It is obtained through a centrifuge of the patient's blood without adding any additives to the tube. The variety of growth factors in PRP and PRF may have the ability to stimulate the activation of osteoblasts and osteoclasts together, which supports the idea that PRP could affect orthodontic tooth movement The study sample consisted of 60 patients and was calculated using (G-power sample size calculator), depending on the rate of canine retraction with a study power of 90%.

After ensuring the patient's compliance with the terms and conditions of this study, the purpose and methods of the study were explained to the patients using Information Sheet. In case of approval to participate, the patients were asked to sign the informed consent. Extra \& Intra-oral photographs, impressions and clinical examinations were made.

Canine retraction was initiated after completion of the leveling and alignment phase via closed nickel-titanium coil springs applying 150 g of force per side at the same time.

Being tested
The platelet-rich plasma (PRP), The injectable platelet-rich fibrin (I-PRF) group, The control group
Keywords
Platelet-rich plasma, Platelet-rich fibrin, Acceleration
Medical subject headings
Malocclusion, Angle Class II

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • The platelet-rich plasma (PRP)Other

    Twenty ml of venous blood was drawn from each patient with the use of PRP tubes that contain anticoagulant citrate dextrose. The double-spin technique was used to prepare the PRP. The injection areas were anesthetized with lidocaine 2% with epinephrine 1/80000 and left for 10 minutes. 15 units (0. 15 mL) of PRP were injected interaligamentlly in the middle, distobuccal, and distopalatal areas of the distal surface of the upper canines (5 units in each area) together with submucosal injections buccally and palatally (100 units and 50 units

    , respectively).

  • The injectable platelet-rich fibrin (I-PRF) groupOther

    Twenty ml of venous blood was drawn from each patient in this experimental group.

    I-PRF was prepared with the use of 20 ml of blood drawn from the patient in dry sterile tubes without anticoagulant (quickly before coagulation starts) by following the centrifugation protocol requires one cycle only (700 RPM for 3 minutes) Injection procedures, sites, and time were similar to the PRP group.

  • The control groupDevice

    NiTi closed-coil springs (American Orthodontics, Sheboygan, WI) were used to impose 150 g force from the first molar band hook to the bracket of canine on each side on 0.019*0.025-in SS archwire Patients' follow-up appointments were two weeks intervals; at each visit, the force produced by the coil was checked and readjusted when needed in order to keep it at 150-g level and the appliances were examined for any deformation or change in the position because of chewing. Canine retraction continued until achieving Class I canine relationship.

Study groups in NCT05335824
Study groupRoleWhat they receive
The platelet-rich plasma (PRP) group:ExperimentalThe patients in this group received PRP injections immediately before the canine retraction, and after 8 weeks of the onset of retraction
Receives: Other: The platelet-rich plasma (PRP)
The injectable platelet-rich fibrin (I-PRF) groupExperimentalThe patients in this group received I-PRF injections immediately before the canine retraction, and after 8 weeks of the onset of retraction
Receives: Other: The injectable platelet-rich fibrin (I-PRF) group
The control groupActive comparatorThe patients in this group did not receive any injections
Receives: Device: The control group

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Change in canine retraction rate

    The amount of canine retraction per month was calculated by measuring the distance from the canine cusp tip in the baseline model to the canine cusp tip in the next superimposed model. The amount of distance being retracted in millimeters was divided to the duration of retraction in months to give an estimation of the retraction rate.

    Measured: The estimation took place at five time points: the beginning of tooth movement (T0) and at 4, 8, 12, and 16 weeks following T0

Secondary outcomes (2)
  1. Change in the maxillary first molar position (anchorage loss)

    Anchorage loss was calculated in the superimposed digital models from the mesial central fossa of a maxillary first molar of the baseline model the mesial central fossa of maxillary first molar in the next superimposed model.

    Measured: T0: before the beginning of canine retraction; T1: after 4 weeks of retraction; T2: after 8 weeks of retraction; T3: after 12 weeks; and T4: after 16 weeks after the start of retraction

  2. Change in canine rotation

    The amount of canine rotation was measured in superimposed digital models. Mesial and distal contact points of the canines were used to make a horizontal line that would make an angle with the similar line in the next superimposed model, this angle referred to the amount of canine rotation between the two superimposed models.

    Measured: T0: before the beginning of canine retraction; T1: after 4 weeks of retraction; T2: after 8 weeks of retraction; T3: after 12 weeks; and T4: after 16 weeks after the start of retraction

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted19 Apr 2022
  2. Study start8 Feb 2019
  3. Primary completion12 May 2019
  4. Study completion25 Dec 2020

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Single blind
Who is masked
Outcomes assessor
Enrolment
60 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05335824
Sponsor's protocol ID
UHDS-Ortho-07-2022
Status last verified
Apr 2022
First submitted
8 Apr 2022
Last updated
19 Apr 2022
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Rashid A, ElSharaby FA, Nassef EM, Mehanni S, Mostafa YA. Effect of platelet-rich plasma on orthodontic tooth movement in dogs. Orthod Craniofac Res. 2017 May;20(2):102-110. doi: 10.1111/ocr.12146.

    PubMed 28414871
  • Tehranchi A, Behnia H, Pourdanesh F, Behnia P, Pinto N, Younessian F. The effect of autologous leukocyte platelet rich fibrin on the rate of orthodontic tooth movement: A prospective randomized clinical trial. Eur J Dent. 2018 Jul-Sep;12(3):350-357. doi: 10.4103/ejd.ejd_424_17.

    PubMed 30147398
  • Reyes Pacheco AA, Collins JR, Contreras N, Lantigua A, Pithon MM, Tanaka OM. Distalization rate of maxillary canines in an alveolus filled with leukocyte-platelet-rich fibrin in adults: A randomized controlled clinical split-mouth trial. Am J Orthod Dentofacial Orthop. 2020 Aug;158(2):182-191. doi: 10.1016/j.ajodo.2020.03.020. Epub 2020 Jun 24.

    PubMed 32591274
  • Zeitounlouian TS, Zeno KG, Brad BA, Haddad RA. Effect of injectable platelet-rich fibrin (i-PRF) in accelerating orthodontic tooth movement : A randomized split-mouth-controlled trial. J Orofac Orthop. 2021 Jul;82(4):268-277. doi: 10.1007/s00056-020-00275-x. Epub 2021 Jan 22.

    PubMed 33481053
  • Ali Mahmood TM, Chawshli OF. The Effect of Submucosal Injection of Plasma-Rich Platelets on Blood Inflammatory Markers for Patients with Bimaxillary Protrusion Undergoing Orthodontic Treatment. Int J Inflam. 2019 Oct 1;2019:6715871. doi: 10.1155/2019/6715871. eCollection 2019.

    PubMed 31662844
  • Dixon V, Read MJ, O'Brien KD, Worthington HV, Mandall NA. A randomized clinical trial to compare three methods of orthodontic space closure. J Orthod. 2002 Mar;29(1):31-6. doi: 10.1093/ortho/29.1.31.

    PubMed 11907307
  • Ammar AM, Al-Sabbagh R, Hajeer MY. Evaluation of the effectiveness of the platelet-rich plasma compared to the injectable platelet-rich fibrin on the rate of maxillary canine retraction: a three-arm randomized controlled trial. Eur J Orthod. 2024 Jan 1;46(1):cjad056. doi: 10.1093/ejo/cjad056.

    PubMed 37796117

Questions about this trial

What is this clinical trial studying?

A study testing The platelet-rich plasma (PRP) and The injectable platelet-rich fibrin (I-PRF) group in people with Class II Division 1 Malocclusion, run by Damascus University at 1 site in Syria.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 19 Apr 2022. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Syria. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Change in canine retraction rate (time frame: The estimation took place at five time points: the beginning of tooth movement (T0) and at 4, 8, 12, and 16 weeks following T0). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT05335824, which also lists 7 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 19 Apr 2022.

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