Dual Ovarian Stimulation (DUOSTIM) for Poor Ovarian Responders
Comparison of the Cumulative Number of Oocytes Obtained With 2 Controlled Ovarian Hyperstimulations (COH) Within the Same Cycle With FertistartKit® (DUOSTIM) Versus 2 Conventional COH in Poor Ovarian Responders Undergoing IVF. Bistim Study
1 other identifier
interventional
88
1 country
4
Brief Summary
During ovarian stimulation, all the follicles grow under the action of FSH, only the selected follicles and with the faster growth are taken. However during this stimulation, other smaller follicles are also recruited and sensitized, which may increase the selection of follicles available on the follicular wave following. In patients with weak reserve this potentiation has a great interest, and the sequence of 2 stimulations on the same cycle could make it possible to obtain a larger number of oocytes and embryos, thus giving a better chance of delivery than on 2 distinct cycles of stimulation. However, this is preliminary data that needs to be confirmed with a randomized controlled trial. In this population of poor prognosis, the use of FSH-associated LH activity may optimize the ovarian response to stimulation, particularly the combination containing placental HCG (Fertistartkit®) that obtaining a slightly higher number of oocytes than highly purified HMG (Menopur®).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_3
Started Sep 2018
Typical duration for phase_3
4 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
August 8, 2018
CompletedStudy Start
First participant enrolled
September 3, 2018
CompletedFirst Posted
Study publicly available on registry
January 14, 2019
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 3, 2021
CompletedStudy Completion
Last participant's last visit for all outcomes
November 24, 2021
CompletedDecember 7, 2022
December 1, 2022
2.5 years
August 8, 2018
December 5, 2022
Conditions
Outcome Measures
Primary Outcomes (1)
cumulative number of oocytes on 2 punctures
cumulative number of oocytes on 2 punctures
up to 60 days
Secondary Outcomes (15)
cumulative number of follicles> 14mm
up to 60 days
cumulative number of oocytes in metaphase II
up to 60 days
cumulative number of embryos obtained
1 month
number of embryos transferred
up to 60 days
number of frozen embryos
1.5 month
- +10 more secondary outcomes
Study Arms (2)
DUOSTIM
EXPERIMENTAL(stim 1) flexible antagonist protocol with pre-treatment with estrogen (S1 between J1 and J8 under E2) and stimulation with Fertistartkit® 300 IU / d; triggering by rHCG (Ovitrelle®250μg) and puncture at 36h; oocyte freezing; (stim 2) resumption of stimulation only by Fertistratkit® 300 IU / day from the day after the puncture; introduction of Progestan® 7 days later to avoid menstruation during the second puncture; triggering with rHCG and second puncture at 36h associated with the devitrification of stim 1 oocytes, with sperm collection and embryonic vitrification. Transfer of frozen embryos to the subsequent cycle in the natural cycle (without HCG) and until the frozen embryos are exhausted.
Conventional stimuli
ACTIVE COMPARATOR(stim 1) flexible antagonist protocol with pre-treatment with estrogen (S1 between J1 and J8 under E2) and stimulation with Fertistartkit® 300 IU / d; triggering by rHCG (Ovitrelle®250μg) and puncture at 36h; fresh embryonic transfer if satisfactory endometrial conditions with luteal phase support by vaginal micronized progesterone Progestan® 600 mg / d; otherwise embryonic freezing and transfer of frozen embryos to the subsequent cycle in the natural cycle until the frozen embryos are exhausted. (stim 2) ditto starting on the next cycle if possible or the next one. Hormonal Controls + Ultrasound During Stimulation: Blocking / S1 - S5 / S6 - S8 / S9 - SHCG / SHCG-1
Interventions
2 consecutive stimulations by Fertistartkit® on the same cycle
2 stimulations by Fertistartkit® performed on 2 different cycles
Eligibility Criteria
You may qualify if:
- Women from 20 to 41 years old
- CFA \<5 and / or AMH \<1, 2 ng / ml
- ≤ BMI ≤ 32
- Supports IVF or ICSI
- If antecedent IVF / ICSI, number of oocytes collected \<4
- Attack rank (puncture with transfer) \<3
- Affiliation to the general social security scheme and benefiting from 100% infertility
You may not qualify if:
- Confirmed ovarian insufficiency (amenorrhea)
- FSH\> 20 IU / l or CFA \<1
- Puncture rank\> 3
- Azoospermia or cryptozoospermia
- Against indication to ovarian stimulation
- Presence of a cyst of indeterminate etiology, ovarian, uterine or mammary carcinoma, hypothalamic or pituitary tumors
- Hypersensitivity to any of the medicines in the protocol
- Moderate or severe pathology of renal or hepatic function
- Evolutionary thromboembolic accidents
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Centre Hospitalier Intercommunal Creteillead
- Laboratoires Genévriercollaborator
- IBSA Institut Biochimique SAcollaborator
Study Sites (4)
Polyclinique Jean Villar
Bruges, France
CHI Creteil
Créteil, 94000, France
Cabinet Médical Carré Saint Giniez
Marseille, France
Polyclinique Saint Roch
Montpellier, France
Related Publications (1)
Massin N, Abdennebi I, Porcu-Buisson G, Chevalier N, Descat E, Pietin-Vialle C, Goro S, Brussieux M, Pinto M, Pasquier M, Bry-Gauillard H. The BISTIM study: a randomized controlled trial comparing dual ovarian stimulation (duostim) with two conventional ovarian stimulations in poor ovarian responders undergoing IVF. Hum Reprod. 2023 May 2;38(5):927-937. doi: 10.1093/humrep/dead038.
PMID: 36864699DERIVED
Study Officials
- PRINCIPAL INVESTIGATOR
Nathalie MASSIN, MD
CHI Créteil
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
August 8, 2018
First Posted
January 14, 2019
Study Start
September 3, 2018
Primary Completion
March 3, 2021
Study Completion
November 24, 2021
Last Updated
December 7, 2022
Record last verified: 2022-12