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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05284305
Other study ID # INT82/21
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date March 1, 2022
Est. completion date May 15, 2023

Study information

Verified date January 2023
Source Fondazione IRCCS Istituto Nazionale dei Tumori, Milano
Contact Marco Fiore, MD
Phone +390223903234
Email marco.Fiore@istitutotumori.mi.it
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Desmoid tumors (DT) are rare disease of intermediate malignancy with variable and often unpredictable clinical course. There is a growing interest in defining potential risk of recurrence or progression during or after pregnancy and in identifying potential obstetrical risks and infertility rate of desmoid patients. Aim of the study: - to define the impact of pregnancy on diagnosis, progression and recurrence of DT; - to define the risks related to DT of obstetrical risks and decisions to interrupt or avoid pregnancy after the diagnosis of DT.


Description:

Background. Desmoid tumors (DT) are rare disease of intermediate malignancy with variable and often unpredictable clinical course. A significant proportion of female patients with a diagnosis of DT have a recent pregnancy history and on the contrary, the diagnosis of DT is often made during gestation or shortly thereafter. Understanding the behavior of desmoids during or after pregnancy is crucial to define the safest management of the tumor itself and of the pregnancy. Moreover, analyzing the impact of DT on decisions regarding the pregnancy (and in turn fertility), we will be able to implement new tools assisting and counselling women with DT. Aim of the study. 1. to define the management of DT in patients diagnosed with desmoid before pregnancy and during pregnancy; 2. analyze the oncological outcome of desmoid patients during and after pregnancy; 3. assess potential obstetrical risks and decisions to interrupt or avoid pregnancy after the diagnosis of DT Study design. International multicentric retrospective observational study. Histology. Only patients with histology-proven desmoids will be included. DT will be defined according to the WHO classification. Patients with FAP-related DT will be included and analyzed separately, while those affected by infantile fibromatosis or palmar/plantar fibromatosis will be excluded. Data collection. - Clinicopathological data: age at diagnosis, size of DT at the time of initial presentation (measured as longest diameter) and tumor site. The latest will be classified as abdominal wall, extremity (including limb girdle), intrabdominal (including visceral, pelvic and mesenteric), or other. - Treatment details of primary and recurrent DT: active surveillance, surgery, radiation therapy, isolated limb perfusion, and systemic therapies. Date of surgery and margin status (defined as R2, R1 and R0 if respectively macroscopic, microscopic and no tumor is found in the final pathological specimen) will be also recorded. The systemic treatment will include: cytotoxic chemotherapy with any regimen of agents, antiestrogen or LH-RH inhibitors, other hormonal therapy, anti-inflammatory drugs, and molecular targeted therapy. - Recurrence or progression of disease and time of last follow-up. Recurrence will be defined as macroscopic relapse 6 months or later after complete resection, for those patients undergoing surgery. Progression, stability, or regression (partial or complete) will be defined according to RECIST criteria (version 1.1), whether spontaneous or in the presence oftherapy, both for patients undergoing surgery and for those managed with active surveillance. - Number of pregnancies and abortions (spontaneous or induced). For eachevent: date of delivery or abortion, type of delivery, pregnancy complications and labor complications will be recorded. For women with a history of DT, the date and type of first treatment after pregnancy will be also recorded, regardless of the initial approach (whether surgical or conservative). - Patient reported outcomes. Concept elicitation (CE) interviews will be used to explore desmoid patients' perspectives on key disease-related symptoms and impacts. Qualitative analysis will be performed to determine the relative frequency and disturbance of symptoms and impacts as well as other characteristics of these concepts (including desire and success of a pregnancy, anxiety to start a pregnancy with a diagnosis of DT). A draft patient-reported outcome (PRO) scale will be developed and compared with the available literature then developed and tested with cognitive interviewing. Information from the interviews will be subsequently incorporated into the refined PRO scale. The following questions will be included in a questionnaire in order to define the possible effects of DT on pregnancy: 1. Have you had a pregnancy during or after your diagnosis of desmoid tumor? [if Yes, eligible for Study population] 2. At the time of the desmoid diagnosis were you fertile? If so, please answer the following questions: [If Yes, eligible for Screening population] 3. After the diagnosis of desmoid, have you decided to postpone a pregnancy? 4. If so, was this related to the diagnosis of desmoid? 5. After the diagnosis of desmoid have you interrupted a pregnancy? 6. If so, was this related to the diagnosis of desmoid? 7. After the diagnosis of desmoid, have you decided to avoid pregnancies? 8. If so, was this related to the diagnosis of desmoid? Statistical analysis. Discrete variables will be described as medians with interquartile range (IQR). Categorical variables will be described as totals and frequencies. Univariate comparisons will be assessed using the chi-squared or Wilcoxon-rank sum test as appropriate. Univariate and multivariate logistic regression models will be assessed to determine the association of relevant baseline clinicopathological factors with pregnancy. Variables with univariate significance (p<0.20) will be entered into the multivariate model in combination with important clinical variables and confounders. "Disease progression during pregnancy" will include both PD according to RECIST within 1 year after delivery in patients with previous SD, and local recurrence detected during pregnancy or within 1 year after delivery. "Time to progression during pregnancy" will be calculated from estimated date of beginning of pregnancy (based on date of delivery or abortion) and first evidence of PD/LR. "Spontaneous regression after PD during pregnancy" will be defined as RECIST MR or PR in the absence of any active treatment after delivery regardless of previous "Disease progression during pregnancy". For the purpose of the following outcomes "Disease progression during pregnancy","Time to progression during pregnancy", "Spontaneous regression after PD during pregnancy" estimates will be calculated based on the overall number of recorded pregnancies, meaning that for a single patients it will be calculated for each pregnancy following the diagnosis of DF. Survival adjusted for censoring will be calculated using the Kaplan-Meier method and medians compared using the log-rank test. All analyses will be carried out with STATA version 13.0 (StataCorp, College Station, TX), and a P-value of <0.05 (two-tailed) will be considered statistically significant. Expected Results. Although DT tend to grow during pregnancy, patients followed in specialized sarcoma centers are safely managed. DT should not be considered a contraindication to pregnancy, however patients need to be enrolled in a close follow-up program. The impact of DT (and of the related management) on pregnant women and new mothers can translate in anxiety for a new pregnancy, desire to avoid pregnancy, and other symptoms which will be recorded as PRO. Data Quality Control. Data quality will be guarantee by local Principal Investigators. In particular a specific kickoff meeting will be organized providing instruction for all Investigators. Data entry will be centralized by means of an online CRF, who will be accessible to Investigators after a data transfer and use agreement (DTUA) between the Promoter and the participating centers. As far as data of patients enrolled by Desmoid Foundation Italia, data quality check will be guarantee by supervision of the study PI.


Recruitment information / eligibility

Status Recruiting
Enrollment 400
Est. completion date May 15, 2023
Est. primary completion date April 30, 2023
Accepts healthy volunteers No
Gender Female
Age group 18 Years and older
Eligibility Inclusion Criteria: - histologically-proven DT; - female patients - fertile age, >18 years; - concomitant or subsequent pregnancy (study group), or no history of pregnancy (screening group). Exclusion Criteria: - suspected DT without histological diagnosis • male patients affected by DT - <18 years old, and non-fertile age.

Study Design


Intervention

Other:
Pregnancy
DT with a history of concomitant or subsequent pregnancy.

Locations

Country Name City State
Canada Mount Sinai Hospital/Toronto University Toronto
France Institut Curie Paris
Italy Fondazione IRCCS Istituto Nazionale dei Tumori Milan
Italy Desmoid Foundation Italy Milano
Italy Istituto Oncologico Veneto IRCSS Padova
Italy University of Padova Padova
United States Brigham and Women Hospital / Dana Farber Cancer Institute Boston Massachusetts

Sponsors (7)

Lead Sponsor Collaborator
Fondazione IRCCS Istituto Nazionale dei Tumori, Milano Dana-Farber/Brigham and Women's Cancer Center, Desmoid Foundation Italia, Institut Curie, Istituto Oncologico Veneto IRCCS, Mount Sinai Hospital, Canada, University of Padova

Countries where clinical trial is conducted

United States,  Canada,  France,  Italy, 

Outcome

Type Measure Description Time frame Safety issue
Primary Proportion of new disease progression during pregnancy Progression disease according to RECIST within 1 year after delivery in patients with previous stable disease. Proportion of new disease progression during pregnancy Progression disease according to RECIST within 1 year after delivery in patients with previous stable disease. January 2000- December 2020
Primary Local recurrence Local recurrence detected during pregnancy or within 1 year after delivery January 2000- December 2020
Secondary Time to progression Time to progression during pregnancy calculated from estimated date of beginning of pregnancy and first evidence of PD/LR January 2000- December 2020
Secondary Spontaneous regression Spontaneous regression of PD during pregnancy January 2000- December 2020
Secondary Proportion of patients shifting from active surveillance/no treatment to active treatment Proportion of patients shifting from active surveillance/no treatment to active treatment within 1 year after delivery January 2000- December 2020
Secondary Rate of spontaneous and induced abortion Rate of spontaneous and induced abortion in the study population January 2000- December 2020
Secondary Rate of obstetric and delivery complications Rate of obstetric and delivery complications in the study population January 2000- December 2020
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