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Conservative in situ management is a promising alternative treatment to hysterectomy for patients with placenta accreta spectrum and may be safer and preferable for some patients. This study will assess feasibility of a future randomized clinical trial comparing these treatments and provide novel data to inform shared decision-making and cost-effective care for patients with this deadly pregnancy disorder.
Placenta accreta spectrum (PAS) is an extremely morbid and increasingly common pregnancy condition that often results in massive obstetric hemorrhage. The standard treatment in the United States is hysterectomy, but this treatment is complex, morbid, and costly. A promising alternative for PAS treatment is conservative in situ management (CM), a strategy in which the placenta is left in the uterus. Unfortunately, there are insufficient data available to compare outcomes of these two treatments because past studies are limited by non-randomized study designs, minimal inclusion of patient values in making treatment decisions, and nominal consideration of economic barriers to care. A large clinical trial comparing PAS treatments is needed. But there are key logistic barriers to an adequately powered trial, including questions of whether patients will enroll and adhere to randomization allocation. This pilot trial will evaluate the feasibility of randomizing patients to CM versus hysterectomy for PAS.
While pilot studies cannot make final assessments of safety and efficacy between interventions, safety and efficacy will be monitored, including those related to hemorrhage, transfusion, infection and re-operation.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Conservative Management for Placenta Accreta Spectrum (PAS) | Experimental | Subjects who are randomized to to conservative management will undergo a cesarean delivery followed by a period of close observation in the operating room for 30-45 minutes to be sure there is no excessive bleeding or risk to keep the placenta inside |
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| Hysterectomy at time of delivery for Placenta Accreta Spectrum (PAS) | Active Comparator | Subjects who are randomized to cesarean hysterectomy will undergo a cesarean delivery followed immediately by hysterectomy to remove the placenta and uterus together |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Conservative management for placenta accreta spectrum (PAS) | Procedure | Subjects who are randomized to to conservative management will undergo a cesarean delivery followed by a period of close observation in the operating room for 30-45 minutes to be sure there is no excessive bleeding or risk to keep the placenta inside |
| Measure | Description | Time Frame |
|---|---|---|
| Number of patients completing the surgical treatment to which they are allocated | Number of patients completing the surgical treatment to which they are allocated (hysterectomy or conservative management) on the day of delivery. | Day of delivery |
| Measure | Description | Time Frame |
|---|---|---|
| Number of eligible people approached for enrollment. | Number of eligible people approached for enrollment. | 20 weeks gestation through day of delivery |
| Number of eligible people randomized. | Number of eligible people randomized. |
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Inclusion Criteria:
Exclusion Criteria:
Pregnant females
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| Name | Affiliation | Role |
|---|---|---|
| Brett Einerson, MD | University of Utah | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Utah | Salt Lake City | Utah | 84132 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 40373321 | Derived | Griffith AM, Dalton SE, Kennedy AM, Woodward PJ, Einerson BD. Clinical and Radiologic Evolution in Conservative Management of Placenta Accreta Spectrum Disorder. Obstet Gynecol. 2025 Jun 1;145(6):739-748. doi: 10.1097/AOG.0000000000005931. Epub 2025 May 2. |
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| ID | Term |
|---|---|
| D010921 | Placenta Accreta |
| ID | Term |
|---|---|
| D007744 | Obstetric Labor Complications |
| D011248 | Pregnancy Complications |
| D005261 | Female Urogenital Diseases and Pregnancy Complications |
| D000091642 | Urogenital Diseases |
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| ID | Term |
|---|---|
| D000072700 | Conservative Treatment |
| ID | Term |
|---|---|
| D013812 | Therapeutics |
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| Cesarean hysterectomy for placenta accreta spectrum (PAS) | Procedure | Subjects who are randomized to cesarean hysterectomy will undergo a cesarean delivery followed immediately by hysterectomy to remove the placenta and uterus together |
|
| From time of consent up to one week (1-7 days) before planned delivery |
| Number of enrolled completing hysterectomy on day of delivery. | Number of enrolled completing hysterectomy on day of delivery. | Day of delivery |
| Number of enrolled completing conservative management on day of delivery. | Number of enrolled completing conservative management on day of delivery. | Day of delivery |
| Number of enrolled who don't complete their allocated treatment (drop-out). | Number of enrolled who don't complete their allocated treatment (drop-out). | Up to 6 weeks postpartum |
| Number of enrolled who are lost to follow-up through study end (inverse of retention). | Number of enrolled who are lost to follow-up through study end (inverse of retention). | Up to 6 weeks postpartum |
| Number of enrolled completing full postpartum follow-up visit schedule. | Number of enrolled completing full postpartum follow-up visit schedule. | Up to 6 weeks postpartum |
| D010922 | Placenta Diseases |