Opioid UseNCT05525975
Opioid Consumption and Disposal After Shoulder Arthroplasty
A study testing Educational materials in people with Opioid Use, run by Brendan M. Patterson at 1 site in United States.
Trial summary
Opioid medications are widely used after many orthopedic procedures and are routinely prescribed after shoulder replacement surgery. Despite the high prevalence of opioid abuse and misuse, there is no standardized mechanism for patients to dispose of unused opioid medications safely and securely and the average number… Read more about this study
- Who is it for?
- Ages 21 to 99 yearsHealthy volunteers can take part
- Conditions the study is for
- Opioid Use
- What is being tested?
- Educational materials
- Type of treatment
- Pill or oral medicine, Injection or infusion
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 140 participants
- Where
- 1 siteUnited States
- Study dates
- 21 Nov 2022to 26 Apr 2024
- Phase
- Interventional
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
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 21 to 99 years
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Who may be able to join
- Patients seen at UIHC Shoulder Surgery Clinic that are indicated for primary total shoulder arthroplasty procedures.
Who cannot join
- revision shoulder arthroplasty
- arthroplasty for proximal humerus fractures
- patients with a history of chronic opioid consumption
- patients with contraindications for opioid consumption.
Trial locations and contacts
1 site in 1 country.
About this study
Official title: The Impact of Pre-operative Opioid Education and Opioid Disposal Following Shoulder Arthroplasty
Opioid medications are widely used after many orthopedic procedures and are routinely prescribed after shoulder replacement surgery. Despite the high prevalence of opioid abuse and misuse, there is no standardized mechanism for patients to dispose of unused opioid medications safely and securely and the average number of opioid pills required after shoulder replacement surgery is still unknown. In a prior pilot study conducted by our group (IRB# 202012142), opioid consumption patterns of patients undergoing shoulder arthroplasty were analyzed, as well as their adherence to a safe and secure disposal mechanism for excess opioid pills. A 94% retention rate was achieved and preliminary results showed that most of the subjects were 60 years of age and older.
The objective of the current proposal is to: (1) develop pre-operative education materials related to post-operative opioid use following shoulder arthroplasty; (2) pilot the impact of this educational intervention; (3) examine the effect of providing disposal mechanisms for unused opioid pain medications following shoulder arthroplasty. The proposal is to conduct a single blinded randomized controlled trial of patients undergoing total shoulder replacement, both anatomic total shoulder arthroplasty (TSA) and reverse shoulder arthroplasty (RSA), and Hemiarthroplasty at UIHC. This randomized controlled trial will compare: (1) education plus opioid disposal to the standard of care (SC). The investigators hypothesize that pre-operative opioid education modules combined with a structured opioid disposal program will decrease opioid consumption following shoulder arthroplasty.
Read the detailed description
Patients will be identified as potential research subjects by one of the the two Shoulder Surgeons (BMP, JVN) during their visit to the Shoulder Surgery Clinic at University of Iowa Hospitals and Clinics, according to the indication of a shoulder arthroplasty.
During their preoperative work-up visit, patients will be invited to participate in the research study. The research coordinator will discuss the study with potential subjects in a private office or exam room. If the patient shows interest in participating, the research coordinator and the patient will go through the process of consent of participants.
After agreeing to participate and signing informed consent, participants will be randomized into one of the 2 study arms at their preoperative work-up visit.
Participants in Arm 1 (control group) will go through all procedures before and after their surgery as they usually do in standard of care practice, and all procedures will continue as scheduled. The standard of care practice of the Shoulder Surgery department at UIHC is that for patients that will undergo a surgical procedure NOT to receive any type of education on Opioid consumption, disposal or risks prior to the surgery.
Participants in Arm 2 (education + disposal), at their work-up visit, will receive a brochure, will watch an educational video, and will also receive an envelope in which they will be able to dispose their unused opioid pills. These envelopes will be the same ones used in the team's previous pilot study (IRB# 202012142). The disposal method consists of secured, labeled envelopes to dispose of the excess of Opioid medication. These envelopes will be provided by "Sharps Compliance, Inc.", a company that manages pharmaceutical waste disposal programs for healthcare facilities. Through their "TakeAway Medication Recovery System Envelope (USPS)" they allow the collection and disposal of controlled substances (Schedules II-IV) and non-controlled medications. Subjects will be explained how to use the envelope and that since it is labeled they will not have to pay for anything when using it. The brochure will address opioid risks, side effects, disposal and explain non-opioid pain management strategies. The educational video will consist of a short video to educate patients on the current opioid crisis, explain how to safely dispose of excess opioids and will teach them about drug-free pain management techniques.
All participants (Arm 1 and Arm2), after their surgery and after being discharged from the hospital, will receive daily text messages with a link to a REDCap survey. This texts will be delivered during the first 2 weeks following surgery. The survey will assess postoperative pain in the last 24 hours through Pain VAS, number of pills taken during the last 24 hours, number of pills disposed, method for disposal.
For participants who did not answer the daily survey and for the ones who are still taking opioids after 2 weeks following surgery, will be able to answer the survey at their postoperative appointment at Shoulder Surgery clinic (2-weeks postop or 6-weeks postop).
Patients in the education group will be emailed after their 6 week post-op visit to inquire as to their overall satisfaction with the education module and post-op buddy app/text program.
Disposal envelops will be tracked via tracking number just to confirm they were received by the disposal center (Sharps Compliance Inc.).
- Conditions
- Opioid Use
- Being tested
- Educational materials
- Keywords
- opioid, Shoulder Arthroplasty, Shoulder Surgery
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Educational materialsOther
Educational materials will be developed by our interdisciplinary research team. Will consist of a brochure and a video. Both materials highlight important information about opioid medications, explain proper disposal of excess of opioid medications and provide drug-free pain management tools for postoperative pain.
| Study group | Role | What they receive |
|---|---|---|
| Control/Standard of Care | No intervention | This arm will follow the standard of care practices of the Shoulder Surgery Department at UIHC, and will work as a control group. |
| Education Arm | Experimental | Participants in this arm will receive at their preoperative work-up visit a brochure and will watch an educational video. Both educational materials (brochure and video) will address information about opioid medications, pain management techniques and properly disposal of any excess opioid medication. In addition, participants receive an envelope in which they will be able to dispose their unused opioid pills. These envelopes will be the same ones used in our pilot study (IRB# 202012142). The disposal method consists of secured, labeled envelopes to dispose of the excess of Opioid medication. These envelopes will be provided by "Sharps Compliance, Inc.", a company that manages pharmaceutical waste disposal programs for healthcare facilities. Through their "TakeAway Medication Recovery System Envelope (USPS)" they allow the collection and disposal of controlled substances (Schedules II-IV) and non-controlled medications. Receives: Other: Educational materials |
What is being measured
The primary outcome is the main question the study is designed to answer.
Difference in Proportion of Participants With > 10 Pills Left Unused.
Educational materials will be developed and their impact will be tested on opioid consumption patterns after total shoulder arthroplasty.
By comparing Arm 1 and Arm 2 the investigators will determine the difference in opioid consumption between groups of patients who receive education and those who do not. Opioid consumption will be determined via patient self-reported opioid use on questionnaires completed during the first 2 weeks following surgery or at 6 weeks after surgery. The number of pills taken will be documented and will then be calculated by the research staff into MUE.
Measured: 2 weeks or 6 weeks after surgery
Secondary outcomes (1)
Opioid Disposal
Evaluate a structured and streamlined disposal protocol and its effect on opioid disposal rates.
By comparing Arm 1 and Arm 2 the investigators will determine opioid disposal between subjects provided a structured disposal mechanism and those who are not provided a structured disposal mechanism. Opioid disposal will be measured via patient self-report. In each group participants will be asked how many pills were left unused and how many pills were disposed. This will be recorded on the postoperative surveys administered during the first 2 weeks following surgery, or at 6 weeks after surgery.
Measured: 2-weeks or 6-weeks post-operative.
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted2 Sep 2022
- Study start21 Nov 2022
- Primary completion26 Apr 2024
- Study completion26 Apr 2024
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (11)Papers the sponsor has linked to this study.
- Other trials for Opioid UseStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
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
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind
- Who is masked
- Participant
- Enrolment
- 140 participants (actual)
Sponsor and investigators
- Lead sponsor
- Brendan M. Patterson
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor-investigator, Brendan M. Patterson, University of Iowa
- Investigators
- Brendan M Patterson, Principal investigator, University of Iowa
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05525975
- Sponsor's protocol ID
- 202202119
- Status last verified
- Jan 2026
- First submitted
- 15 Aug 2022
- Last updated
- 15 Jan 2026
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
Publications
Bettlach CLR, Hasak JM, Santosa KB, Larson EL, Tung TH, Fox IK, Moore AM, Mackinnon SE. A Simple Brochure Improves Disposal of Unused Opioids: An Observational Cross-Sectional Study. Hand (N Y). 2022 Jan;17(1):170-176. doi: 10.1177/1558944720959898. Epub 2020 Oct 7.
PubMed 33025827Lewis ET, Cucciare MA, Trafton JA. What do patients do with unused opioid medications? Clin J Pain. 2014 Aug;30(8):654-62. doi: 10.1097/01.ajp.0000435447.96642.f4.
PubMed 24281287Kumar K, Gulotta LV, Dines JS, Allen AA, Cheng J, Fields KG, YaDeau JT, Wu CL. Unused Opioid Pills After Outpatient Shoulder Surgeries Given Current Perioperative Prescribing Habits. Am J Sports Med. 2017 Mar;45(3):636-641. doi: 10.1177/0363546517693665. Epub 2017 Feb 9.
PubMed 28182507Saunders KW, Dunn KM, Merrill JO, Sullivan M, Weisner C, Braden JB, Psaty BM, Von Korff M. Relationship of opioid use and dosage levels to fractures in older chronic pain patients. J Gen Intern Med. 2010 Apr;25(4):310-5. doi: 10.1007/s11606-009-1218-z. Epub 2010 Jan 5.
PubMed 20049546Sabesan VJ, Stankard M, Grauer J, Echeverry N, Chatha K. Predictors and prescribing patterns of opioid medications surrounding reverse shoulder arthroplasty. JSES Int. 2020 Oct 9;4(4):969-974. doi: 10.1016/j.jseint.2020.08.014. eCollection 2020 Dec.
PubMed 33345242Martusiewicz A, Khan AZ, Chamberlain AM, Keener JD, Aleem AW. Outpatient narcotic consumption following total shoulder arthroplasty. JSES Int. 2020 Jan 16;4(1):100-104. doi: 10.1016/j.jses.2019.11.005. eCollection 2020 Mar.
PubMed 32195470Chau DL, Walker V, Pai L, Cho LM. Opiates and elderly: use and side effects. Clin Interv Aging. 2008;3(2):273-8. doi: 10.2147/cia.s1847.
PubMed 18686750Sabesan VJ, Chatha K, Koen S, Dawoud M, Gilot G. Innovative patient education and pain management protocols to achieve opioid-free shoulder arthroplasty. JSES Int. 2020 May 4;4(2):362-365. doi: 10.1016/j.jseint.2020.01.005. eCollection 2020 Jun.
PubMed 32490427Hasak JM, Roth Bettlach CL, Santosa KB, Larson EL, Stroud J, Mackinnon SE. Empowering Post-Surgical Patients to Improve Opioid Disposal: A Before and After Quality Improvement Study. J Am Coll Surg. 2018 Mar;226(3):235-240.e3. doi: 10.1016/j.jamcollsurg.2017.11.023. Epub 2018 Jan 10.
PubMed 29331347Nahhas CR, Hannon CP, Yang J, Gerlinger TL, Nam D, Della Valle CJ. Education Increases Disposal of Unused Opioids After Total Joint Arthroplasty: A Cluster-Randomized Controlled Trial. J Bone Joint Surg Am. 2020 Jun 3;102(11):953-960. doi: 10.2106/JBJS.19.01166.
PubMed 32251139Patel MS, Updegrove GF, Singh AM, Jamgochian GC, LoBiondo D, Abboud JA, Ramsey ML, Lazarus MD. Characterizing opioid consumption in the 30-day post-operative period following shoulder surgery: are we over prescribing? Phys Sportsmed. 2021 May;49(2):158-164. doi: 10.1080/00913847.2020.1789439. Epub 2020 Jul 9.
PubMed 32597282
Study at a glance
From the registry record, last updated by the sponsor on 15 Jan 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- The Impact of Pre-operative Opioid Education and Opioid Disposal Following Shoulder Arthroplasty
- ClinicalTrials.gov ID
- NCT05525975
- Acronym / sponsor ID
- 202202119
- Conditions
- Opioid Use
- Keywords
- opioid, Shoulder Arthroplasty, Shoulder Surgery
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 140 participants (actual)
- Lead sponsor
- Brendan M. PattersonUniversity, hospital or other
- Study start
- 21 Nov 2022 (actual)
- Primary completion
- 26 Apr 2024 (actual)
- Study completion
- 26 Apr 2024 (actual)
- First posted
- 2 Sep 2022 (actual)
- Results
- Posted 27 Mar 2025
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Opioid medications are widely used after many orthopedic procedures and are routinely prescribed after shoulder replacement surgery. Despite the high prevalence of opioid abuse and misuse, there is no standardized mechanism for patients to dispose of unused opioid medications safely and securely and the average number of opioid pills required after shoulder replacement surgery is still unknown. In a prior pilot study conducted by our group (IRB# 202012142), opioid consumption patterns of patients undergoing shoulder arthroplasty were analyzed, as well as their adherence to a safe and secure disposal mechanism for excess opioid pills. A 94% retention rate was achieved and preliminary results showed that most of the subjects were 60 years of age and older.
The objective of the current proposal is to: (1) develop pre-operative education materials related to post-operative opioid use following shoulder arthroplasty; (2) pilot the impact of this educational intervention; (3) examine the effect of providing disposal mechanisms for unused opioid pain medications following shoulder arthroplasty. The proposal is to conduct a single blinded randomized controlled trial of patients undergoing total shoulder replacement, both anatomic total shoulder arthroplasty (TSA) and reverse shoulder arthroplasty (RSA), and Hemiarthroplasty at UIHC. This randomized controlled trial will compare: (1) education plus opioid disposal to the standard of care (SC). The investigators hypothesize that pre-operative opioid education modules combined with a structured opioid disposal program will decrease opioid consumption following shoulder arthroplasty.
Detailed description
Patients will be identified as potential research subjects by one of the the two Shoulder Surgeons (BMP, JVN) during their visit to the Shoulder Surgery Clinic at University of Iowa Hospitals and Clinics, according to the indication of a shoulder arthroplasty.
During their preoperative work-up visit, patients will be invited to participate in the research study. The research coordinator will discuss the study with potential subjects in a private office or exam room. If the patient shows interest in participating, the research coordinator and the patient will go through the process of consent of participants.
After agreeing to participate and signing informed consent, participants will be randomized into one of the 2 study arms at their preoperative work-up visit.
Participants in Arm 1 (control group) will go through all procedures before and after their surgery as they usually do in standard of care practice, and all procedures will continue as scheduled. The standard of care practice of the Shoulder Surgery department at UIHC is that for patients that will undergo a surgical procedure NOT to receive any type of education on Opioid consumption, disposal or risks prior to the surgery.
Participants in Arm 2 (education + disposal), at their work-up visit, will receive a brochure, will watch an educational video, and will also receive an envelope in which they will be able to dispose their unused opioid pills. These envelopes will be the same ones used in the team's previous pilot study (IRB# 202012142). The disposal method consists of secured, labeled envelopes to dispose of the excess of Opioid medication. These envelopes will be provided by "Sharps Compliance, Inc.", a company that manages pharmaceutical waste disposal programs for healthcare facilities. Through their "TakeAway Medication Recovery System Envelope (USPS)" they allow the collection and disposal of controlled substances (Schedules II-IV) and non-controlled medications. Subjects will be explained how to use the envelope and that since it is labeled they will not have to pay for anything when using it. The brochure will address opioid risks, side effects, disposal and explain non-opioid pain management strategies. The educational video will consist of a short video to educate patients on the current opioid crisis, explain how to safely dispose of excess opioids and will teach them about drug-free pain management techniques.
All participants (Arm 1 and Arm2), after their surgery and after being discharged from the hospital, will receive daily text messages with a link to a REDCap survey. This texts will be delivered during the first 2 weeks following surgery. The survey will assess postoperative pain in the last 24 hours through Pain VAS, number of pills taken during the last 24 hours, number of pills disposed, method for disposal.
For participants who did not answer the daily survey and for the ones who are still taking opioids after 2 weeks following surgery, will be able to answer the survey at their postoperative appointment at Shoulder Surgery clinic (2-weeks postop or 6-weeks postop).
Patients in the education group will be emailed after their 6 week post-op visit to inquire as to their overall satisfaction with the education module and post-op buddy app/text program.
Disposal envelops will be tracked via tracking number just to confirm they were received by the disposal center (Sharps Compliance Inc.).
Study design
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind (participant)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Control/Standard of Care | No intervention | –This arm will follow the standard of care practices of the Shoulder Surgery Department at UIHC, and will work as a control group. |
| Education Arm | Experimental | Other: Educational materialsParticipants in this arm will receive at their preoperative work-up visit a brochure and will watch an educational video. Both educational materials (brochure and video) will address information about opioid medications, pain management techniques and properly disposal of any excess opioid medication. In addition, participants receive an envelope in which they will be able to dispose their unused opioid pills. These envelopes will be the same ones used in our pilot study (IRB# 202012142). The disposal method consists of secured, labeled envelopes to dispose of the excess of Opioid medication. These envelopes will be provided by "Sharps Compliance, Inc.", a company that manages pharmaceutical waste disposal programs for healthcare facilities. Through their "TakeAway Medication Recovery System Envelope (USPS)" they allow the collection and disposal of controlled substances (Schedules II-IV) and non-controlled medications. |
Who may qualify
- Ages
- 21 to 99 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (1 listed)
- Patients seen at UIHC Shoulder Surgery Clinic that are indicated for primary total shoulder arthroplasty procedures.
Key exclusion criteria (4 listed)
- revision shoulder arthroplasty
- arthroplasty for proximal humerus fractures
- patients with a history of chronic opioid consumption
- patients with contraindications for opioid consumption.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Educational materialsEducational materials will be developed by our interdisciplinary research team. Will consist of a brochure and a video. Both materials highlight important information about opioid medications, explain proper disposal of excess of opioid medications and provide drug-free pain management tools for postoperative pain. | Other | Education Arm |
Primary outcome
Difference in Proportion of Participants With > 10 Pills Left Unused.
Time frame: 2 weeks or 6 weeks after surgery
Educational materials will be developed and their impact will be tested on opioid consumption patterns after total shoulder arthroplasty. By comparing Arm 1 and Arm 2 the investigators will determine the difference in opioid consumption between groups of patients who receive education and those who do not. Opioid consumption will be determined via patient self-reported opioid use on questionnaires completed during the first 2 weeks following surgery or at 6 weeks after surgery. The number of pills taken will be documented and will then be calculated by the research staff into MUE.
1 secondary outcome
Opioid Disposal
Time frame: 2-weeks or 6-weeks post-operative.
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 15 Jan 2026.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Background: PubMed 33025827Bettlach CLR, Hasak JM, Santosa KB, Larson EL, Tung TH, Fox IK, Moore AM, Mackinnon SE. A Simple Brochure Improves Disposal of Unused Opioids: An Observational Cross-Sectional Study. Hand (N Y). 2022 Jan;17(1):170-176. doi: 10.1177/1558944720959898. Epub 2020 Oct 7.
- Background: PubMed 24281287Lewis ET, Cucciare MA, Trafton JA. What do patients do with unused opioid medications? Clin J Pain. 2014 Aug;30(8):654-62. doi: 10.1097/01.ajp.0000435447.96642.f4.
- Background: PubMed 28182507Kumar K, Gulotta LV, Dines JS, Allen AA, Cheng J, Fields KG, YaDeau JT, Wu CL. Unused Opioid Pills After Outpatient Shoulder Surgeries Given Current Perioperative Prescribing Habits. Am J Sports Med. 2017 Mar;45(3):636-641. doi: 10.1177/0363546517693665. Epub 2017 Feb 9.
- Background: PubMed 20049546Saunders KW, Dunn KM, Merrill JO, Sullivan M, Weisner C, Braden JB, Psaty BM, Von Korff M. Relationship of opioid use and dosage levels to fractures in older chronic pain patients. J Gen Intern Med. 2010 Apr;25(4):310-5. doi: 10.1007/s11606-009-1218-z. Epub 2010 Jan 5.
- Background: PubMed 33345242Sabesan VJ, Stankard M, Grauer J, Echeverry N, Chatha K. Predictors and prescribing patterns of opioid medications surrounding reverse shoulder arthroplasty. JSES Int. 2020 Oct 9;4(4):969-974. doi: 10.1016/j.jseint.2020.08.014. eCollection 2020 Dec.
- Background: PubMed 32195470Martusiewicz A, Khan AZ, Chamberlain AM, Keener JD, Aleem AW. Outpatient narcotic consumption following total shoulder arthroplasty. JSES Int. 2020 Jan 16;4(1):100-104. doi: 10.1016/j.jses.2019.11.005. eCollection 2020 Mar.
- Background: PubMed 18686750Chau DL, Walker V, Pai L, Cho LM. Opiates and elderly: use and side effects. Clin Interv Aging. 2008;3(2):273-8. doi: 10.2147/cia.s1847.
- Background: PubMed 32490427Sabesan VJ, Chatha K, Koen S, Dawoud M, Gilot G. Innovative patient education and pain management protocols to achieve opioid-free shoulder arthroplasty. JSES Int. 2020 May 4;4(2):362-365. doi: 10.1016/j.jseint.2020.01.005. eCollection 2020 Jun.
- Background: PubMed 29331347Hasak JM, Roth Bettlach CL, Santosa KB, Larson EL, Stroud J, Mackinnon SE. Empowering Post-Surgical Patients to Improve Opioid Disposal: A Before and After Quality Improvement Study. J Am Coll Surg. 2018 Mar;226(3):235-240.e3. doi: 10.1016/j.jamcollsurg.2017.11.023. Epub 2018 Jan 10.
- Background: PubMed 32251139Nahhas CR, Hannon CP, Yang J, Gerlinger TL, Nam D, Della Valle CJ. Education Increases Disposal of Unused Opioids After Total Joint Arthroplasty: A Cluster-Randomized Controlled Trial. J Bone Joint Surg Am. 2020 Jun 3;102(11):953-960. doi: 10.2106/JBJS.19.01166.
- Background: PubMed 32597282Patel MS, Updegrove GF, Singh AM, Jamgochian GC, LoBiondo D, Abboud JA, Ramsey ML, Lazarus MD. Characterizing opioid consumption in the 30-day post-operative period following shoulder surgery: are we over prescribing? Phys Sportsmed. 2021 May;49(2):158-164. doi: 10.1080/00913847.2020.1789439. Epub 2020 Jul 9.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Brendan M Patterson principal investigator
University of Iowa
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Educational materials in people with Opioid Use, run by Brendan M. Patterson at 1 site in United States.
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 1 inclusion and 4 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 15 Jan 2026. 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 United States. 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?
Yes. Results are posted in the registry (first posted 27 Mar 2025). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
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?
Difference in Proportion of Participants With > 10 Pills Left Unused. (time frame: 2 weeks or 6 weeks after surgery). 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 NCT05525975, which also lists 11 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 15 Jan 2026.