Pain, Postoperative
Conditions
Keywords
Pediatric, Postoperative, Pain Management
Brief summary
The objective of this study is to evaluate the safety and clinical utility of the active, SSEC fentanyl 40 micrograms (mcg) for the management of acute, postoperative pain in pediatric participants.
Detailed description
An open label evaluation of the safety and clinical utility of the active, SSEC fentanyl 40 mcg for the management of acute postoperative pain in pediatric participants 12 to less than 18 years of age.
Interventions
An opioid that has been administered parenterally as an anesthetic and analgesic for more than 20 years.
Sponsors
Study design
Eligibility
Inclusion criteria
* Participants whose parent(s) or guardian(s) have/has signed and dated an informed consent form for the participant to participate in the study, or participants who have provided written assent to participate in the study * Male or female inpatients, age 12 to \<18 years of age inclusive on the day of surgery * Participants capable of understanding and cooperating with the requirements of the study, including being able to report their pain intensity using the 11-point Numeric Rating Scale and operate the SSEC * American Society of Anesthesiologists physical status I, II or III * Body weight of at least 40.0 kilogram (kg) * Postoperative participants who have undergone general or regional anesthesia for abdominal, pelvic/genitourinary, orthopedic, or thoracic surgery * Postoperative participants who have been observed during recovery and are expected to remain hospitalized and have pain requiring parenteral opioids (that is, intravenous \[IV\] patient-controlled anesthesia) for the next 24 hours or longer * Participants who are awake and breathing spontaneously with a respiratory rate of 14 to 18 breaths per minute, peripheral capillary oxygen saturation ≥93% (with or without supplemental oxygen), and able to answer questions and follow commands * Participants who have been observed during recovery, who are awake, able to answer questions and follow commands, and who have been comfortable for at least 30 minutes, with a pain intensity score ≤4 (numeric rating scale 0-10), with or without titration to comfort with IV opioids
Exclusion criteria
* Participants who have undergone any surgery on the airway, head, or neck * Participants who received an extended-release opioid within 48 hours prior to Hour 0 or who are expected to have postoperative analgesia supplied by a continuous regional technique or participant-controlled epidural analgesia * Participants with a history of allergy or hypersensitivity to fentanyl, skin adhesives, and/or cetylpyridinium chloride * Participants who are expected to require intensive care or will likely require additional surgical procedures within 36 hours * Participants who received intra-operative and/or postoperative administration of opioids other than morphine, hydromorphone, fentanyl, sufentanil, or alfentanil. Exception: If there are no medical contraindications, meperidine (pethidine) up to 0.5 milligram/kg IV is permitted during recovery for shivering * Participants who require airway support (nasal or oropharyngeal airway intubation, or laryngeal mask airway at the time of final baseline assessments (that is, at the time of IONSYS application \[Hour 0\]) * Participants who are known or suspected to be opioid tolerant, have a history of opioid dependence within 3 months before the start of the study, or who are known to have used illicit drugs or alcohol within 14 days of the start of the study * Participants with active generalized skin disorders or active local skin disease that precludes SSEC application to the chest or upper arm * Participants with any coexisting major medical conditions that are likely to interfere with study procedures including, but not limited to, psychiatric conditions, chronic depression, suicidal ideation, autism * Positive pregnancy test for any female
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Assessment Of Participant's Ability To Use The SSEC | Completed at the time of the participant's termination of study treatment (up to 72 hours after study drug administration) | Investigator's assessment of participant's ability to use the SSEC system safely and effectively. The assessment consisted of a 4-level categorical evaluation (poor, fair, good, and excellent). Because of the descriptive nature of this study, no formal statistical hypothesis testing was performed. |
| Assessment Of Adherence Of The SSEC System To Skin | Immediately prior to removal at each 24-hour time point, or at early withdrawal, for up to 3 consecutive days (up to 72 hours) | The adhesion of each SSEC was evaluated immediately prior to removal at each 24-hour time point, or at early withdrawal. Adhesion was recorded using the following classification: System adhered to at least 90% of the application area with no edges unattached; System adhered between 75% and 89%; System was \<75% adhered and not taped; System was secured with tape. The number of SSEC systems for all time points in each category is presented. Because of the descriptive nature of this study, no formal statistical hypothesis testing was performed. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Change From Baseline To 1 Hour And 24 Hours In Skin Irritation Score After SSEC Removal | Baseline, 1 hour and 24 hours after SSEC removal. | Skin irritation at the SSEC application site was to be assessed immediately prior to placement of the study system and at 1 and 24 hours after removal of each study system. The application site was to be scored using the following scale: 0=No evidence of irritation; 1=Minimal erythema, barely perceptible; 2=Definite erythema, readily visible, minimal edema, or minimal papular response; 3=Erythema and papules; 4=Definite edema; 5=Erythema, edema, and papules; 6=Vesicular eruption; 7=Strong reaction spreading beyond the application site. |
| Number Of Participants To Experience Clinically Relevant Respiratory Depression (CRRD) | From the time of application of the first system through 7 days following end of study drug administration. | Respiratory function and occurrence of CRRD was defined as simultaneous occurrence of bradypnoea (respiratory rate \<10 breaths per minute for participants 9-15 years of age and sustained for 1 minute, or \<8 breaths per minute for participants 16-17 years of age), with excessive sedation (that is, the participant is not easily aroused). |
Countries
United States
Participant flow
Recruitment details
Pediatric participants from 12 to less than 18 years of age who had undergone general or regional anesthesia for elective abdominal, pelvic/genitourinary, orthopedic, or thoracic surgery.
Pre-assignment details
Screening within 3 weeks of study start included review of inclusion/exclusion criteria, informed consent signature, medical history, height, weight, vital signs, American Society of Anesthesiologists physical status, and a review of the Separated System With Enhanced Controller (SSEC) for delivery of 40 micrograms (mcg) fentanyl/dose.
Participants by arm
| Arm | Count |
|---|---|
| SSEC Fentanyl Post-surgery, participants received fentanyl via the active IONSYS® SSEC fentanyl iontophoretic transdermal system that provided on-demand systemic delivery of 40 mcg fentanyl per dose for up to 24 hours, or a maximum of 80 doses, whichever came first, for up to 3 consecutive days (up to 72 hours). | 61 |
| Total | 61 |
Withdrawals & dropouts
| Period | Reason | FG000 |
|---|---|---|
| Overall Study | Consent Withdrawn at Screening | 1 |
| Overall Study | Exclusion Criteria Met at Screening | 4 |
| Overall Study | Inclusion Criteria Not Met at Screening | 3 |
| Overall Study | Investigator Decision at Screening | 1 |
| Overall Study | Lost to Follow-up | 1 |
| Overall Study | SSEC Application But With 0 Dose | 1 |
| Overall Study | Withdrawal by Subject | 1 |
Baseline characteristics
| Characteristic | SSEC Fentanyl |
|---|---|
| Age, Continuous | 14.7 years STANDARD_DEVIATION 1.54 |
| Sex: Female, Male Female | 45 Participants |
| Sex: Female, Male Male | 16 Participants |
Adverse events
| Event type | EG000 affected / at risk |
|---|---|
| deaths Total, all-cause mortality | 0 / 61 |
| other Total, other adverse events | 44 / 61 |
| serious Total, serious adverse events | 1 / 61 |
Outcome results
Assessment Of Adherence Of The SSEC System To Skin
The adhesion of each SSEC was evaluated immediately prior to removal at each 24-hour time point, or at early withdrawal. Adhesion was recorded using the following classification: System adhered to at least 90% of the application area with no edges unattached; System adhered between 75% and 89%; System was \<75% adhered and not taped; System was secured with tape. The number of SSEC systems for all time points in each category is presented. Because of the descriptive nature of this study, no formal statistical hypothesis testing was performed.
Time frame: Immediately prior to removal at each 24-hour time point, or at early withdrawal, for up to 3 consecutive days (up to 72 hours)
Population: The Evaluable Population consists of all participants who received fentanyl from the SSEC for at least 3 hours.
| Arm | Measure | Group | Value (NUMBER) |
|---|---|---|---|
| SSEC Fentanyl | Assessment Of Adherence Of The SSEC System To Skin | ≥90% of area with no edges unattached | 97 SSEC systems |
| SSEC Fentanyl | Assessment Of Adherence Of The SSEC System To Skin | 75% to 89% | 6 SSEC systems |
| SSEC Fentanyl | Assessment Of Adherence Of The SSEC System To Skin | <75% adhered and not taped | 3 SSEC systems |
| SSEC Fentanyl | Assessment Of Adherence Of The SSEC System To Skin | System was secured with tape | 1 SSEC systems |
| SSEC Fentanyl | Assessment Of Adherence Of The SSEC System To Skin | Not assessed | 0 SSEC systems |
Assessment Of Participant's Ability To Use The SSEC
Investigator's assessment of participant's ability to use the SSEC system safely and effectively. The assessment consisted of a 4-level categorical evaluation (poor, fair, good, and excellent). Because of the descriptive nature of this study, no formal statistical hypothesis testing was performed.
Time frame: Completed at the time of the participant's termination of study treatment (up to 72 hours after study drug administration)
Population: The Evaluable Population consists of all participants who received fentanyl from the SSEC for at least 3 hours.
| Arm | Measure | Group | Value (NUMBER) |
|---|---|---|---|
| SSEC Fentanyl | Assessment Of Participant's Ability To Use The SSEC | Fair | 2 participants |
| SSEC Fentanyl | Assessment Of Participant's Ability To Use The SSEC | Good | 10 participants |
| SSEC Fentanyl | Assessment Of Participant's Ability To Use The SSEC | Poor | 1 participants |
| SSEC Fentanyl | Assessment Of Participant's Ability To Use The SSEC | Excellent | 48 participants |
| SSEC Fentanyl | Assessment Of Participant's Ability To Use The SSEC | Missing | 0 participants |
Change From Baseline To 1 Hour And 24 Hours In Skin Irritation Score After SSEC Removal
Skin irritation at the SSEC application site was to be assessed immediately prior to placement of the study system and at 1 and 24 hours after removal of each study system. The application site was to be scored using the following scale: 0=No evidence of irritation; 1=Minimal erythema, barely perceptible; 2=Definite erythema, readily visible, minimal edema, or minimal papular response; 3=Erythema and papules; 4=Definite edema; 5=Erythema, edema, and papules; 6=Vesicular eruption; 7=Strong reaction spreading beyond the application site.
Time frame: Baseline, 1 hour and 24 hours after SSEC removal.
Population: The Evaluable Population consists of all participants who received fentanyl from the SSEC for at least 3 hours.
| Arm | Measure | Group | Value (MEAN) | Dispersion |
|---|---|---|---|---|
| SSEC Fentanyl | Change From Baseline To 1 Hour And 24 Hours In Skin Irritation Score After SSEC Removal | System 1, Hour 1 | 1.1 units on a scale | Standard Deviation 0.94 |
| SSEC Fentanyl | Change From Baseline To 1 Hour And 24 Hours In Skin Irritation Score After SSEC Removal | System 1, Hour 24 | 1.8 units on a scale | Standard Deviation 1.43 |
| SSEC Fentanyl | Change From Baseline To 1 Hour And 24 Hours In Skin Irritation Score After SSEC Removal | System 2, Hour 1 | 1.0 units on a scale | Standard Deviation 0.61 |
| SSEC Fentanyl | Change From Baseline To 1 Hour And 24 Hours In Skin Irritation Score After SSEC Removal | System 2, Hour 24 | 1.6 units on a scale | Standard Deviation 1.33 |
| SSEC Fentanyl | Change From Baseline To 1 Hour And 24 Hours In Skin Irritation Score After SSEC Removal | System 3, Hour 1 | 1.0 units on a scale | Standard Deviation 1.22 |
| SSEC Fentanyl | Change From Baseline To 1 Hour And 24 Hours In Skin Irritation Score After SSEC Removal | System 3, Hour 24 | 0.8 units on a scale | Standard Deviation 1.26 |
Number Of Participants To Experience Clinically Relevant Respiratory Depression (CRRD)
Respiratory function and occurrence of CRRD was defined as simultaneous occurrence of bradypnoea (respiratory rate \<10 breaths per minute for participants 9-15 years of age and sustained for 1 minute, or \<8 breaths per minute for participants 16-17 years of age), with excessive sedation (that is, the participant is not easily aroused).
Time frame: From the time of application of the first system through 7 days following end of study drug administration.
Population: The Evaluable Population consists of all participants who received fentanyl from the SSEC for at least 3 hours.
| Arm | Measure | Group | Value (NUMBER) |
|---|---|---|---|
| SSEC Fentanyl | Number Of Participants To Experience Clinically Relevant Respiratory Depression (CRRD) | Bradypnoea | 0 participants |
| SSEC Fentanyl | Number Of Participants To Experience Clinically Relevant Respiratory Depression (CRRD) | Excessive Sedation | 0 participants |
| SSEC Fentanyl | Number Of Participants To Experience Clinically Relevant Respiratory Depression (CRRD) | Simultaneous Bradypnoea and Excessive Sedation | 0 participants |